Run 2 for https://sokolov.ru/ at 2025-01-15 11:16:50

Summary

Metric	Value
Page metrics
Performance score	67
Total page size	3.0 MB
Requests	110
Timing metrics
TTFB	659 ms
First Paint	1.320 s
Fully Loaded	3.763 s
Google Web Vitals
TTFB	659 ms
First Contentful Paint (FCP)	1.320 s
Largest Contentful Paint (LCP)	2.429 s
Cumulative Layout Shift (CLS)	0.05
Total Blocking Time	389 ms
Max Potential FID	258 ms
CPU metrics
CPU long tasks	4
CPU last long task happens at	2.923 s
Visual Metrics
First Visual Change	1.333 s
Speed Index	3.490 s
Visual Complete 85%	3.933 s
Visual Complete 99%	4.066 s
Last Visual Change	4.066 s

Download timeline

| Waterfall | | Download HAR |

Waterfall

Download HAR

| Filmstrip |

Filmstrip

Use--filmstrip.showAll to show all filmstrips.

0 s

1.4 sFirst Contentful Paint 1.320 sFirst Visual Change 1.333 s

1.5 sCPU Long Task duration 59 ms

1.6 sDOM Content Loaded Time 1.572 sPage Load Time 1.575 sCPU Long Task duration 196 ms

1.7 s

1.9 sLayout Shift 0.01101 1.825 s

2.1 s

2.2 sLayout Shift 0.00842 2.115 sLayout Shift 0.03318 2.153 sLayout Shift 0.00036 2.161 sCPU Long Task duration 76 ms

2.3 sLayout Shift 0.00067 2.291 s

2.4 sLayout Shift 0.00021 2.312 sLayout Shift 0.00040 2.313 s

2.5 sLCP <DIV> 2.429 s

3 sCPU Long Task duration 258 ms

3.3 s

3.4 s

3.5 s

3.6 s

3.7 s

3.8 sFully Loaded 3.763 s

3.9 sZone 3.821 sZone:ZoneAwarePromise 3.825 sZone:toString 3.826 sZone:util 3.826 sZone:legacy 3.827 sZone:timers 3.827 sZone:requestAnimationFrame 3.827 sZone:blocking 3.828 sZone:EventTarget 3.828 sZone:MutationObserver 3.829 s

4 sVisual Complete 85% 3.933 sVisual Complete 95% 4.000 s

4.1 sLast Visual Change 4.066 sVisual Complete 99% 4.066 s

Coach

The coach helps you find performance problems on your web page using web performance best practice rules. And gives you advice on privacy and best practices. Tested using Coach-core version 8.1.1.

Coach score

Total score 77
Performance score 67
Privacy score 86
Best practice score 98

Performance advice (67)

Title

Advice

Score

Don't scale images in the browser (avoidScalingImages)

The page has 10 images that are scaled more than 100 pixels. It would be better if those images are sent so the browser don't need to scale them.

Description: It's easy to scale images in the browser and make sure they look good in different devices, however that is bad for performance! Scaling images in the browser takes extra CPU time and will hurt performance on mobile. And the user will download extra kilobytes (sometimes megabytes) of data that could be avoided. Don't do that, make sure you create multiple version of the same image server-side and serve the appropriate one.

Offenders:

https://cdn.sokolov.ru/upload/content/area/7af96ca69279b58e7d26d1c26423b356.jpg

https://cdn.sokolov.ru/upload/content/area/296be3890379f130b6aba56d318ab2e2.jpg

https://cdn.sokolov.ru/upload/content/area/29692ce29bea0ed9fc48a32b78e96577.jpg

https://cdn.sokolov.ru/upload/content/area/599381a89a12f2135e4cc41d907c53af.jpg

https://cdn.sokolov.ru/upload/content/area/7b737af32bfdf0a9756be23dad1122fa.jpg

https://cdn.sokolov.ru/upload/content/area/aacd8376c5eeab8dec4904e69f2fa2d7.jpg

https://cdn.sokolov.ru/upload/content/area/d50e7d97286724aca1441de191909703.jpg

https://cdn.sokolov.ru/upload/content/area/4a175e582f4323dd74687852cf297369.jpg

https://cdn.sokolov.ru/upload/content/area/4754f43eedc890535a35cd5d5da5b413.jpg

https://cdn.sokolov.ru/upload/content/area/7730846614634f1e713444e0c80a2198.jpg

Inline CSS for faster first render (inlineCss)

The page has both inline CSS and CSS requests even though it uses a HTTP/2-ish connection. If you have many users on slow connections, it can be better to only inline the CSS. Run your own tests and check the waterfall graph to see what happens.

Description: In the early days of the Internet, inlining CSS was one of the ugliest things you can do. That has changed if you want your page to start rendering fast for your user. Always inline the critical CSS when you use HTTP/1 and HTTP/2 (avoid doing CSS requests that block rendering) and lazy load and cache the rest of the CSS. It is a little more complicated when using HTTP/2. Does your server support HTTP push? Then maybe that can help. Do you have a lot of users on a slow connection and are serving large chunks of HTML? Then it could be better to use the inline technique, becasue some servers always prioritize HTML content over CSS so the user needs to download the HTML first, before the CSS is downloaded.

Avoid CPU Long Tasks (longTasks)

The page has 4 CPU long tasks with the total of 589 ms. The total blocking time is 389 ms . However the CPU Long Task is depending on the computer/phones actual CPU speed, so you should measure this on the same type of the device that your user is using. Use Geckoprofiler for Firefox or Chromes tracelog to debug your long tasks.

Description: Long CPU tasks locks the thread. To the user this is commonly visible as a "locked up" page where the browser is unable to respond to user input; this is a major source of bad user experience on the web today. However the CPU Long Task is depending on the computer/phones actual CPU speed, so you should measure this on the same type of the device that your user is using. To debug you should use the Chrome timeline log and drag/drop it into devtools or use Firefox Geckoprofiler.

Offenders:

self

Avoid Frontend single point of failures (spof)

The page has 11 requests inside of the head that can cause a SPOF (single point of failure). Load them asynchronously or move them outside of the document head.

Description: A page can be stopped from loading in the browser if a single JavaScript, CSS, and in some cases a font, couldn't be fetched or is loading really slowly (the white screen of death). That is a scenario you really want to avoid. Never load 3rd-party components synchronously inside of the head tag.

Offenders:

https://static-catalog.sokolov.ru/_next/static/css/da5c851fe6abc320.css

https://static-catalog.sokolov.ru/_next/static/css/fb06eb2d9007ae08.css

https://static-catalog.sokolov.ru/_next/static/css/7e6914a619aaaccf.css

https://static-catalog.sokolov.ru/_next/static/css/95cb158f59051cc9.css

https://static-catalog.sokolov.ru/_next/static/css/f2f640d30117f472.css

https://static-catalog.sokolov.ru/_next/static/css/923538a4e5a3c925.css

https://static-catalog.sokolov.ru/_next/static/css/d0eef9fd56b8149f.css

https://static-catalog.sokolov.ru/_next/static/css/7d06de3534181a6c.css

https://static-catalog.sokolov.ru/_next/static/css/949e73f2837930ee.css

https://static-catalog.sokolov.ru/_next/static/css/d32410ee3fa1a458.css

https://static-catalog.sokolov.ru/_next/static/css/5513378153b0b486.css

Avoid extra requests by setting cache headers (cacheHeaders)

The page has 16 requests that are missing a cache time. Configure a cache time so the browser doesn't need to download them every time. It will save 21.2 kB the next access.

Description: The easiest way to make your page fast is to avoid doing requests to the server. Setting a cache header on your server response will tell the browser that it doesn't need to download the asset again during the configured cache time! Always try to set a cache time if the content doesn't change for every request.

Offenders:

https://sokolov.ru/api/v4/content/area/main-banner-004/

https://sokolov.ru/api/v4/content/area/main-stories/

https://sokolov.ru/api/v4/content/area/navigation-block-008/

https://sokolov.ru/api/v5/profile/

https://sokolov.ru/api/v5/profile/products/

https://sokolov.ru/api/v5/handbooks/currency-rates/

https://sokolov.ru/api/v5/location/check/

https://sokolov.ru/api/v4/content/area/main-page-topline/

https://static-catalog.sokolov.ru/meta/favicon.ico

https://sokolov.ru/api/v4/content/area/tile-block/

https://static-catalog.sokolov.ru/meta/manifest.json

https://seo.sokolov.ru/api/v1/meta/ip/

https://sokolov.ru/api/v4/content/area/feedback-channels/

https://sokolov.ru/api/v4/content/area/download-app-banner/

https://tracking.diginetica.net/csc-event...ica.net/csc-event

Long cache headers is good (cacheHeadersLong)

The page has 1 request that have a shorter cache time than 30 days (but still a cache time).

Description: Setting a cache header is good. Setting a long cache header (at least 30 days) is even better beacause then it will stay long in the browser cache. But what do you do if that asset change? Rename it and the browser will pick up the new version.

Offenders:

https://cdn.diginetica.net/300/client-lite.js

Total CSS size shouldn't be too big (cssSize)

The total CSS transfer size is 92.2 kB and uncompressed size is 570.3 kB. That is big and the CSS could most probably be smaller.

Description: Delivering a massive amount of CSS to the browser is not the best thing you can do, because it means more work for the browser when parsing the CSS against the HTML and that makes the rendering slower. Try to send only the CSS that is used on that page. And make sure to remove CSS rules when they aren't used anymore.

Offenders:

URL	Transfer size	Content size
https://static-catalog.sokolov.ru/_next/static/css/da5c851fe6abc320.css	50.7 KB	366.8 KB
https://static-catalog.sokolov.ru/_next/static/css/fb06eb2d9007ae08.css	5.5 KB	27.6 KB
https://static-catalog.sokolov.ru/_next/static/css/7e6914a619aaaccf.css	6.3 KB	35.5 KB
https://static-catalog.sokolov.ru/_next/static/css/95cb158f59051cc9.css	16.0 KB	97.1 KB
https://static-catalog.sokolov.ru/_next/static/css/f2f640d30117f472.css	1.2 KB	1.9 KB
https://static-catalog.sokolov.ru/_next/static/css/923538a4e5a3c925.css	1.2 KB	1.8 KB
https://static-catalog.sokolov.ru/_next/static/css/d0eef9fd56b8149f.css	4.2 KB	16.4 KB
https://static-catalog.sokolov.ru/_next/static/css/7d06de3534181a6c.css	1.1 KB	1.6 KB
https://static-catalog.sokolov.ru/_next/static/css/949e73f2837930ee.css	1.4 KB	4.1 KB
https://static-catalog.sokolov.ru/_next/static/css/d32410ee3fa1a458.css	1.5 KB	3.1 KB
https://static-catalog.sokolov.ru/_next/static/css/5513378153b0b486.css	950 B	1.1 KB

The favicon should be small and cacheable (favicon)

The favicon has no cache time.

Description: It is easy to make the favicon big but please avoid doing that, because every browser will then perform an unnecessarily large download. And make sure the cache headers are set for a long time for the favicon. It is easy to miss since it's another content type.

Offenders:

https://static-catalog.sokolov.ru/meta/favicon.ico

Avoid too many fonts (fewFonts)

The page has 4 font requests. Do you really need them? What value does the fonts give the user?

Description: How many fonts do you need on a page for the user to get the message? Fonts can slow down the rendering of content, try to avoid loading too many of them because worst case it can make the text invisible until they are loaded (FOIT—flash of invisible text), best case they will flicker the text content when they arrive.

Offenders:

https://cdn.sokolov.ru/fonts/montserrat/bold.woff2

https://cdn.sokolov.ru/fonts/montserrat/regular.woff2

https://cdn.sokolov.ru/fonts/montserrat/medium.woff2

https://cdn.sokolov.ru/fonts/montserrat/semibold.woff2

Total image size shouldn't be too big (imageSize)

The page total image size is 1.1 MB. It's really big. Is the page using the right format for the images? Can they be lazy loaded? Are they compressed as good as they can be? Make them smaller by using https://imageoptim.com/.

Description: Avoid having too many large images on the page. The images will not affect the first paint of the page, but it will eat bandwidth for the user.

Total JavaScript size shouldn't be too big (javascriptSize)

The total JavaScript transfer size is 617.4 kB and the uncompressed size is 2 MB. This is totally crazy! There is really room for improvement here.

Description: A lot of JavaScript often means you are downloading more than you need. How complex is the page and what can the user do on the page? Do you use multiple JavaScript frameworks?

Offenders:

URL	Transfer size	Content size
https://static-catalog.sokolov.ru/_next/static/chunks/webpack-2721e081a6569c17.js	8.3 KB	15.0 KB
https://static-catalog.sokolov.ru/_next/static/chunks/framework-12a8921dab738876.js	66.5 KB	204.9 KB
https://static-catalog.sokolov.ru/_next/static/chunks/main-8933f27b2dfdcc1f.js	32.3 KB	109.0 KB
https://static-catalog.sokolov.ru/_next/static/chunks/pages/_app-072042836213b477.js	172.0 KB	604.4 KB
https://static-catalog.sokolov.ru/_next/static/chunks/4643-fe528e618c90a44c.js	33.2 KB	110.9 KB
https://static-catalog.sokolov.ru/_next/static/chunks/1389-6de8ec0aad0d4042.js	18.0 KB	61.7 KB
https://static-catalog.sokolov.ru/_next/static/chunks/4729-d2f7556ef5a1e9ce.js	2.6 KB	3.9 KB
https://static-catalog.sokolov.ru/_next/static/chunks/7184-0e1e17b595b138db.js	10.0 KB	29.0 KB
https://static-catalog.sokolov.ru/_next/static/chunks/8313-b601167552dc71d0.js	14.0 KB	41.4 KB
https://static-catalog.sokolov.ru/_next/static/chunks/3297-03ffff92113ca794.js	11.2 KB	39.3 KB
https://static-catalog.sokolov.ru/_next/static/chunks/5130-81d4955c7aea6026.js	23.3 KB	88.5 KB
https://static-catalog.sokolov.ru/_next/static/chunks/pages/main/client-5631b44350d7fc6c.js	952 B	633 B
https://static-catalog.sokolov.ru/_next/static/Fi4jQuRpKVtPXzrfN-0bm/_buildManifest.js	2.1 KB	5.2 KB
https://static-catalog.sokolov.ru/_next/static/Fi4jQuRpKVtPXzrfN-0bm/_ssgManifest.js	615 B	77 B
https://static-catalog.sokolov.ru/_next/static/chunks/5672.c11cf4318b10989f.js	3.5 KB	8.0 KB
https://static-catalog.sokolov.ru/_next/static/chunks/1541.db673ffea797ece4.js	1.7 KB	2.6 KB
https://static-catalog.sokolov.ru/_next/static/chunks/3333.c9b72e76d5480d80.js	17.0 KB	53.0 KB
https://static-catalog.sokolov.ru/_next/static/chunks/7811.f8cf24f034ca1213.js	2.0 KB	3.3 KB
https://static-catalog.sokolov.ru/_next/static/chunks/1571.92dc9d112b575157.js	2.7 KB	4.3 KB
https://static-catalog.sokolov.ru/_next/static/chunks/7152.6296268524cf9ad9.js	1.6 KB	2.0 KB
https://static-catalog.sokolov.ru/_next/static/chunks/566.0c0417b504718185.js	1.0 KB	784 B
https://static-catalog.sokolov.ru/_next/static/chunks/5355.983e781220919010.js	1.1 KB	903 B
https://static-catalog.sokolov.ru/_next/static/chunks/8316.2f0baf6b0adfaf4f.js	1.1 KB	824 B
https://static-catalog.sokolov.ru/_next/static/chunks/4803.a81bac4a22023b4a.js	1013 B	673 B
https://static-catalog.sokolov.ru/_next/static/chunks/8114.18f858da31fff1c0.js	980 B	612 B
https://static-catalog.sokolov.ru/_next/static/chunks/4349.cde88d58e567c71a.js	782 B	280 B
https://static-catalog.sokolov.ru/_next/static/chunks/9436-8b7e73a429627c4a.js	6.7 KB	15.6 KB
https://static-catalog.sokolov.ru/_next/static/chunks/7413.07cdcc44c06b3a97.js	7.9 KB	21.7 KB
https://static-catalog.sokolov.ru/_next/static/chunks/9843.67348b4197b9a88c.js	1.9 KB	3.3 KB
https://static-catalog.sokolov.ru/_next/static/chunks/4100.32b68982a7d87933.js	1.1 KB	824 B
https://static-catalog.sokolov.ru/_next/static/chunks/6503.06cb04399386cb06.js	1.0 KB	724 B
https://static-catalog.sokolov.ru/_next/static/chunks/534.75cd38181e3bfa34.js	962 B	601 B
https://static-catalog.sokolov.ru/_next/static/chunks/3169.4b2ae05d5b98e6c7.js	1.1 KB	827 B
https://static-catalog.sokolov.ru/_next/static/chunks/36.b0a1bbca34ed712a.js	1016 B	663 B
https://static-catalog.sokolov.ru/_next/static/chunks/5377.e06feea9bba83fc3.js	1.1 KB	886 B
https://static-catalog.sokolov.ru/_next/static/chunks/3712.39474eba56f03d9e.js	1.0 KB	736 B
https://static-catalog.sokolov.ru/_next/static/chunks/7784.b9178d6b31bb5c57.js	1.0 KB	784 B
https://static-catalog.sokolov.ru/_next/static/chunks/9809.fb1d0e0438bca7ce.js	1.2 KB	1.2 KB
https://static-catalog.sokolov.ru/_next/static/chunks/8891.8f0a7fa6b7f21d29.js	1.2 KB	1.1 KB
https://static-catalog.sokolov.ru/_next/static/chunks/3244.04266e8a8ec961e5.js	1.1 KB	937 B
https://static-catalog.sokolov.ru/_next/static/chunks/7113.304b4ff17b50adba.js	1.2 KB	1.2 KB
https://static-catalog.sokolov.ru/_next/static/chunks/1881.2a2f11aa9c6186ed.js	1.1 KB	824 B
https://static-catalog.sokolov.ru/_next/static/chunks/2053.d2530d7fb760155d.js	1.1 KB	930 B
https://cdn.diginetica.net/300/client-lite.js	66.9 KB	248.4 KB
https://static-catalog.sokolov.ru/_next/static/chunks/4379.021e104d0f1004dc.js	1.4 KB	1.4 KB
https://static-catalog.sokolov.ru/_next/static/chunks/6611.a6ac3b8b55b95e77.js	1.4 KB	1.5 KB
https://static-catalog.sokolov.ru/_next/static/chunks/6422.ae882f6609710448.js	1.1 KB	1.0 KB
https://static-catalog.sokolov.ru/_next/static/chunks/5123.a7ad076cb54663ae.js	26.9 KB	80.1 KB
https://static-catalog.sokolov.ru/_next/static/chunks/91f5892f.ceac726038f76803.js	746 B	260 B
https://static-catalog.sokolov.ru/_next/static/chunks/1423.9d0bbe34be4659f7.js	9.2 KB	32.3 KB
https://static-catalog.sokolov.ru/_next/static/chunks/9359.67c08b6f61cb7304.js	31.7 KB	108.5 KB
https://static-catalog.sokolov.ru/_next/static/chunks/8005.7672b23712230e28.js	2.7 KB	6.1 KB

Avoid using incorrect mime types (mimeTypes)

The page has 1 misconfigured mime type.

Description: It's not a great idea to let browsers guess content types (content sniffing), in some cases it can actually be a security risk.

Offenders:

https://seo.sokolov.ru/api/v1/meta/ip/

Make each CSS response small (optimalCssSize)

https://static-catalog.sokolov.ru/_next/static/css/da5c851fe6abc320.css size is 51.9 kB (51937) and that is bigger than the limit of 14.5 kB. https://static-catalog.sokolov.ru/_next/static/css/95cb158f59051cc9.css size is 16.4 kB (16422) and that is bigger than the limit of 14.5 kB. Try to make the CSS files fit into 14.5 KB.

Description: Make CSS responses small to fit into the magic number TCP window size of 14.5 KB. The browser can then download the CSS faster and that will make the page start rendering earlier.

Offenders:

URL	Transfer size	Content size
https://static-catalog.sokolov.ru/_next/static/css/da5c851fe6abc320.css	50.7 KB	366.8 KB
https://static-catalog.sokolov.ru/_next/static/css/95cb158f59051cc9.css	16.0 KB	97.1 KB

Total page size shouldn't be too big (pageSize)

The page total transfer size is 3.1 MB, which is more than the coach limit of 2 MB. That is really big and you need to make it smaller.

Description: Avoid having pages that have a transfer size over the wire of more than 2 MB (desktop) and 1 MB (mobile) because that is really big and will hurt performance and will make the page expensive for the user if she/he pays for the bandwidth.

Offenders:

URL	Transfer size	Content size
https://sokolov.ru/	9.8 KB	54.0 KB
https://cdn.sokolov.ru/fonts/montserrat/bold.woff2	52.1 KB	51.7 KB
https://cdn.sokolov.ru/fonts/montserrat/regular.woff2	52.2 KB	51.8 KB
https://cdn.sokolov.ru/fonts/montserrat/medium.woff2	51.9 KB	51.6 KB
https://cdn.sokolov.ru/fonts/montserrat/semibold.woff2	52.0 KB	51.7 KB
https://static-catalog.sokolov.ru/_next/static/css/da5c851fe6abc320.css	50.7 KB	366.8 KB
https://static-catalog.sokolov.ru/_next/static/css/fb06eb2d9007ae08.css	5.5 KB	27.6 KB
https://static-catalog.sokolov.ru/_next/static/css/7e6914a619aaaccf.css	6.3 KB	35.5 KB
https://static-catalog.sokolov.ru/_next/static/css/95cb158f59051cc9.css	16.0 KB	97.1 KB
https://static-catalog.sokolov.ru/_next/static/chunks/webpack-2721e081a6569c17.js	8.3 KB	15.0 KB
https://static-catalog.sokolov.ru/_next/static/chunks/framework-12a8921dab738876.js	66.5 KB	204.9 KB
https://static-catalog.sokolov.ru/_next/static/chunks/main-8933f27b2dfdcc1f.js	32.3 KB	109.0 KB
https://static-catalog.sokolov.ru/_next/static/chunks/pages/_app-072042836213b477.js	172.0 KB	604.4 KB
https://static-catalog.sokolov.ru/_next/static/chunks/4643-fe528e618c90a44c.js	33.2 KB	110.9 KB
https://static-catalog.sokolov.ru/_next/static/chunks/1389-6de8ec0aad0d4042.js	18.0 KB	61.7 KB
https://static-catalog.sokolov.ru/_next/static/chunks/4729-d2f7556ef5a1e9ce.js	2.6 KB	3.9 KB
https://static-catalog.sokolov.ru/_next/static/chunks/7184-0e1e17b595b138db.js	10.0 KB	29.0 KB
https://static-catalog.sokolov.ru/_next/static/chunks/8313-b601167552dc71d0.js	14.0 KB	41.4 KB
https://static-catalog.sokolov.ru/_next/static/chunks/3297-03ffff92113ca794.js	11.2 KB	39.3 KB
https://static-catalog.sokolov.ru/_next/static/chunks/5130-81d4955c7aea6026.js	23.3 KB	88.5 KB
https://static-catalog.sokolov.ru/_next/static/chunks/pages/main/client-5631b44350d7fc6c.js	952 B	633 B
https://static-catalog.sokolov.ru/_next/static/Fi4jQuRpKVtPXzrfN-0bm/_buildManifest.js	2.1 KB	5.2 KB
https://static-catalog.sokolov.ru/_next/static/Fi4jQuRpKVtPXzrfN-0bm/_ssgManifest.js	615 B	77 B
https://static-catalog.sokolov.ru/_next/static/css/f2f640d30117f472.css	1.2 KB	1.9 KB
https://static-catalog.sokolov.ru/_next/static/chunks/5672.c11cf4318b10989f.js	3.5 KB	8.0 KB
https://static-catalog.sokolov.ru/_next/static/css/923538a4e5a3c925.css	1.2 KB	1.8 KB
https://static-catalog.sokolov.ru/_next/static/chunks/1541.db673ffea797ece4.js	1.7 KB	2.6 KB
https://static-catalog.sokolov.ru/_next/static/css/d0eef9fd56b8149f.css	4.2 KB	16.4 KB
https://static-catalog.sokolov.ru/_next/static/css/7d06de3534181a6c.css	1.1 KB	1.6 KB
https://static-catalog.sokolov.ru/_next/static/css/949e73f2837930ee.css	1.4 KB	4.1 KB
https://sokolov.ru/api/v4/content/area/main-banner-004/	2.8 KB	12.2 KB
https://sokolov.ru/api/v4/content/area/main-stories/	3.2 KB	13.7 KB
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Don't use private headers on static content (privateAssets)

The page has 3 requests with private headers. The main page has a private header. It could be right in some cases where the user can be logged in and served specific content. But if your asset is static it should never be private. Make sure that the assets really should be private and only used by one user. Otherwise, make it cacheable for everyone.

Description: If you set private headers on content, that means that the content are specific for that user. Static content should be able to be cached and used by everyone. Avoid setting the cache header to private.

Offenders:

https://sokolov.ru/

https://tracking.diginetica.net/csc-event...ica.net/csc-event

Avoid missing and error requests (responseOk)

The page has 1 error response. The page has 1 response with code 404.

Description: Your page should never request assets that return a 400 or 500 error. These requests are never cached. If that happens something is broken. Please fix it.

Offenders:

https://sokolov.ru/api/v5/profile/

Best practice advice (98)

Title	Advice	Score
Do not send too long headers (longHeaders)	https://sokolov.ru/a...t/easy-calculate/ has a header set-cookie that is 813 characters long. https://sokolov.ru/a...profile/products/ has a header set-cookie that is 813 characters long. https://sokolov.ru/a...5/location/check/ has a header set-cookie that is 843 characters long.	97
Description: Do not send response headers that are too long.
Offenders: https://sokolov.ru/api/v6/basket/easy-calculate/ https://sokolov.ru/api/v5/profile/products/ https://sokolov.ru/api/v5/location/check/
Avoid unnecessary headers (unnecessaryHeaders)	There are 14 responses that sets both a max-age and expires header. There are 4 responses that sets a pragma no-cache header (that is a request header). There are 110 responses that sets a server header.	0
Description: Do not send headers that you don't need. We look for p3p, cache-control and max-age, pragma, server and x-frame-options headers. Have a look at Andrew Betts - Headers for Hackers talk as a guide https://www.youtube.com/watch?v=k92ZbrY815c or read https://www.fastly.com/blog/headers-we-dont-want.
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https://static-catalog.sokolov.ru/_next/static/chunks/7113.304b4ff17b50adba.js https://static-catalog.sokolov.ru/_next/static/chunks/1881.2a2f11aa9c6186ed.js https://static-catalog.sokolov.ru/_next/static/chunks/2053.d2530d7fb760155d.js https://cdn.diginetica.net/300/client-lite.js https://static-catalog.sokolov.ru/_next/static/chunks/4379.021e104d0f1004dc.js https://static-catalog.sokolov.ru/_next/static/chunks/6611.a6ac3b8b55b95e77.js https://static-catalog.sokolov.ru/_next/static/css/5513378153b0b486.css https://static-catalog.sokolov.ru/_next/static/chunks/6422.ae882f6609710448.js https://static-catalog.sokolov.ru/_next/static/chunks/5123.a7ad076cb54663ae.js https://static-catalog.sokolov.ru/_next/static/chunks/91f5892f.ceac726038f76803.js https://static-catalog.sokolov.ru/_next/static/chunks/1423.9d0bbe34be4659f7.js https://static-catalog.sokolov.ru/_next/static/chunks/9359.67c08b6f61cb7304.js https://static-catalog.sokolov.ru/_next/static/chunks/8005.7672b23712230e28.js https://tracking.diginetica.net/csc-event...ica.net/csc-event https://tracking.diginetica.net/csc-event...ica.net/csc-event https://tracking.diginetica.net/csc-event...ica.net/csc-event https://tracking.diginetica.net/csc-event...ica.net/csc-event https://tracking.diginetica.net/csc-event...ica.net/csc-event https://tracking.diginetica.net/csc-event...ica.net/csc-event

Privacy advice (86)

Title	Advice	Score
Use a good Content-Security-Policy header to make sure you you avoid Cross Site Scripting (XSS) attacks. (contentSecurityPolicyHeader)	Set a Content-Security-Policy header to make sure you are not open for Cross Site Scripting (XSS) attacks. You can start with setting a Content-Security-Policy-Report-Only header, that will only report the violation, not stop the download.	0
Description: Content Security Policy is delivered via a HTTP response header, and defines approved sources of content that the browser may load. It can be an effective countermeasure to Cross Site Scripting (XSS) attacks and is also widely supported and usually easily deployed. https://scotthelme.co.uk/content-security-policy-an-introduction/.
Offenders: https://sokolov.ru/
Set a referrer-policy header to make sure you do not leak user information. (referrerPolicyHeader)	Set a referrer-policy header to make sure you do not leak user information.	0
Description: Referrer Policy is a new header that allows a site to control how much information the browser includes with navigations away from a document and should be set by all sites. https://scotthelme.co.uk/a-new-security-header-referrer-policy/.
Offenders: https://sokolov.ru/
Set a strict transport header to make sure the user always use HTTPS. (strictTransportSecurityHeader)	A strict transport header is set but miss out on setting includeSubDomainsThe max age is lower than six months. Increase it to get a better score.	70
Description: The HTTP Strict-Transport-Security response header (often abbreviated as HSTS) lets a web site tell browsers that it should only be accessed using HTTPS, instead of using HTTP. https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Strict-Transport-Security.

Page info

Page info
Title	Ювелирная компания SOKOLOV. Официальный интернет магазин
Width	500
Height	15307
DOM elements	820
Avg DOM depth	11
Max DOM depth	18
Iframes	0
Script tags	17
Local storage	31 B
Session storage	578 B
Network Information API	4g

Resource Hints
dns-prefetch
http://cdn.diginetica.net/
preconnect
http://autocomplete.diginetica.net/
https://static.criteo.net/
https://cm.g.doubleclick.net/
https://ad.mail.ru/
https://googleads.g.doubleclick.net/
https://www.googletagmanager.com/
https://www.google-analytics.com/
https://api.mindbox.ru/
https://api.flocktory.com/
https://demo4.paasweb.co.il/

Technologies used to build the page.

Data collected using Wappalyzer version 6.10.66. With updated code from Webappanalyzer 2024-12-27. Use --browsertime.firefox.includeResponseBodies htmlor --browsertime.chrome.includeResponseBodies htmlto help Wappalyzer find more information about technologies used.

Technology	Confidence	Category
Amazon Web Services	100	PaaS
HSTS	100	Security

Visual Metrics

Visual Metrics
First Visual Change	1.333 s
Speed Index	3.490 s
Visual Complete 85%	3.933 s
Visual Complete 95%	4.000 s
Visual Complete 99%	4.066 s
Last Visual Change	4.066 s
Visual Readiness	2.733 s

Browser Metrics

Navigation Timing
backEndTime	659 ms
domContentLoadedTime	1.572 s
domInteractiveTime	678 ms
domainLookupTime	34 ms
frontEndTime	914 ms
pageDownloadTime	2 ms
pageLoadTime	1.575 s
redirectionTime	0 ms
serverConnectionTime	99 ms
serverResponseTime	524 ms

Google Web Vitals
Time to first byte (TTFB)	659 ms
First Contentful Paint (FCP)	1.320 s
Largest Contentful Paint (LCP)	2.429 s
Cumulative Layout Shift (CLS)	0.05
Total Blocking Time (TBT)	389 ms

First Contentful Paint info
Elements that needed recalculate style before FCP	509
Time spent in recalculate style before FCP	19.061 ms

Extra timings
TTFB	659 ms
First Paint	1.320 s
Load Event End	1.575 s
Fully loaded	3.763 s

User Timing marks
Zone	3.821 s
Zone:ZoneAwarePromise	3.825 s
Zone:toString	3.826 s
Zone:util	3.826 s
Zone:legacy	3.827 s
Zone:timers	3.827 s
Zone:requestAnimationFrame	3.827 s
Zone:blocking	3.828 s
Zone:EventTarget	3.828 s
Zone:MutationObserver	3.829 s
Zone:IntersectionObserver	3.829 s
Zone:FileReader	3.829 s
Zone:on_property	3.829 s
Zone:customElements	3.857 s
Zone:XHR	3.858 s
Zone:geolocation	3.858 s
Zone:PromiseRejectionEvent	3.859 s
Zone:queueMicrotask	3.859 s

User Timing measures
Name	Start time	Duration
Next.js-before-hydration	0 ms	1.567 s
Next.js-hydration	1.567 s	98 ms
Zone	3.821 s	4 ms
Zone:ZoneAwarePromise	3.825 s	1 ms
Zone:toString	3.826 s	0 ms
Zone:util	3.826 s	1 ms
Zone:legacy	3.827 s	0 ms
Zone:timers	3.827 s	0 ms
Zone:requestAnimationFrame	3.827 s	0 ms
Zone:blocking	3.828 s	0 ms
Zone:EventTarget	3.828 s	1 ms
Zone:MutationObserver	3.829 s	0 ms
Zone:IntersectionObserver	3.829 s	0 ms
Zone:FileReader	3.829 s	0 ms
Zone:on_property	3.829 s	27 ms
Zone:customElements	3.857 s	1 ms
Zone:XHR	3.858 s	1 ms
Zone:geolocation	3.858 s	0 ms
Zone:PromiseRejectionEvent	3.859 s	0 ms
Zone:queueMicrotask	3.859 s	0 ms

Largest Contentful Paint

When in time the page main content is rendered (collected using the Largest Contentful Paint API). Read more about Largest Contentful Paint.

Element type	DIV
Element/tag	<div class="image_lazy-load__Wso7t image_loaded__8YbPx SklvTextWithPhotoSlide_sklv-slide-text__img__PcAAE" style="background-image: url("https://cdn.sokolov.ru/upload/content/area/b6028af92b7e8768bc1e8978107d5627.jpg?w=560&h=700");"></div>
Render time	2.429 s
Elements that needed recalculate style before LCP	3714
Time spent in recalculate style before LCP	100.387 ms
Load time	2.429 s
URL	https://cdn.sokolov....e8978107d5627.jpg
*Size (widthheight)**	231830
DOM path
div#__next > div#catalog > div > main > div > div > section:eq(0) > div > div > div:eq(1) > div > div:eq(0) > a > div > div> div#__next > div#catalog > div > main > div > div > section:eq(0) > div > div > div:eq(1) > div > div:eq(0) > a > div > div>

The largest contentful paint is highlighted in the image. If no element is highlighted the element was removed before the screenshot or the LCP API couldn't find the element.

The Largest Contentful Paint API highlighted this image as a part of the LCP.

Detected Cumulative Layout Shift

0.05424 cumulative layout shift collected from the Cumulative Layout Shift API.

These HTML elements contribute most to the Cumulative Layout Shifts of the page. The higher score, the more layout shift.

Score	HTML Element
0.03318	<main class="mainLayout_main__L9rDe undefined"></main>
body > div#__next > div#catalog > div > main
0.01101	<div class="NavigationButton_navigation-button__text__aTSFr"></div>,<::after></::after>,<section class="DataProvider_sklv-main-section__wXrbC DataProvider_selection__p3VPj"></section>
body > div#__next > div#catalog > div > div:eq(0) > div > button:eq(1) > div,body > div#__next > div#catalog > div > main > div > div > section:eq(2) > ::after,body > div#__next > div#catalog > div > main > div > div > section:eq(3)
0.00842	<section class="DataProvider_navigation__eJl44 DataProvider_navigation-ab__hEnBT"></section>,<::after></::after>,<section class="DataProvider_sklv-main-section__wXrbC DataProvider_selection__p3VPj"></section>
body > div#__next > div#catalog > div > main > div > div > section:eq(2),body > div#__next > div#catalog > div > main > div > div > section:eq(2) > ::after,body > div#__next > div#catalog > div > main > div > div > section:eq(3)
0.00067	<button class="TopLine_promo-topline__close__NxqbX"></button>,<div class="Header_header__inner__wmRSn Header_header_main__dMe4L"></div>
body > div#__next > div#catalog > div > header > div:eq(0) > button,body > div#__next > div#catalog > div > header > div:eq(1)
0.00040	<div class="Header_header__inner__wmRSn Header_header_main__dMe4L"></div>
body > div#__next > div#catalog > div > header > div:eq(1)
0.00036	<div class="Header_header__inner__wmRSn Header_header_main__dMe4L"></div>
body > div#__next > div#catalog > div > header > div:eq(1)
0.00021	<div class="NavigationButton_navigation-button__text__aTSFr"></div>,<div class="NavigationButton_navigation-button__text__aTSFr"></div>,<div class="NavigationButton_navigation-button__text__aTSFr"></div>,<div class="NavigationButton_navigation-button__text__aTSFr"></div>
body > div#__next > div#catalog > div > div:eq(0) > div > button:eq(0) > div,body > div#__next > div#catalog > div > div:eq(0) > div > a:eq(0) > button > div,body > div#__next > div#catalog > div > div:eq(0) > div > a:eq(1) > button > div,body > div#__next > div#catalog > div > div:eq(0) > div > button:eq(2) > div

The elements that have shifted place is highlighted in the image (that have a higher value than 0.01). If the element shifted outside of the viewport, you will not see it there. It can be hard to understand what content that has shifted, if that's the case, checkout the video or the filmstrip of the run.

Long Animation Frames

Read more about the Long Animation Frames API here here.

The top 10 longest animation frames entries

Blocking duration	Work duration	Render duration	PreLayout Duration	Style And Layout Duration
217 ms	264.8 ms	8.2 ms	7.5 ms	0.7 ms
https://cdn.diginetica.net/300/client-lite.js
Invoker: https://cdn.diginetica.net/300/client-lite.js Invoker Type: classic-script Window attribution: self

Blocking duration	Work duration	Render duration	PreLayout Duration	Style And Layout Duration
154 ms	201.1 ms	6.9 ms	5.3 ms	1.6 ms
https://static-catalog.sokolov.ru/_next/static/chunks/framework-12a8921dab738876.js
Forced Style And Layout Duration: 8 ms Invoker: MessagePort.onmessage Invoker Type: event-listener Window attribution: self Source char position: -1

Blocking duration

Work duration

Render duration

PreLayout Duration

Style And Layout Duration

154 ms

201.1 ms

6.9 ms

5.3 ms

1.6 ms

https://static-catalog.sokolov.ru/_next/static/chunks/framework-12a8921dab738876.js

Forced Style And Layout Duration: 8 ms

Invoker: MessagePort.onmessage
Invoker Type: event-listener
Window attribution: self
Source char position: -1

Blocking duration	Work duration	Render duration	PreLayout Duration	Style And Layout Duration
30 ms	84.5 ms	3.5 ms	1.5 ms	2 ms
https://static-catalog.sokolov.ru/_next/static/chunks/3333.c9b72e76d5480d80.js
Invoker: https://static-catalog.sokolov.ru/_next/static/chunks/3333.c9b72e76d5480d80.js Invoker Type: classic-script Window attribution: self

Blocking duration	Work duration	Render duration	PreLayout Duration	Style And Layout Duration
11 ms	73.2 ms	1.8 ms	0.7 ms	1.1 ms
https://static-catalog.sokolov.ru/_next/static/chunks/pages/_app-072042836213b477.js
Invoker: https://static-catalog.sokolov.ru/_next/static/chunks/pages/_app-072042836213b477.js Invoker Type: classic-script Window attribution: self

Blocking duration	Work duration	Render duration	PreLayout Duration	Style And Layout Duration
5 ms	79.6 ms	7.4 ms	4.5 ms	2.9 ms
https://static-catalog.sokolov.ru/_next/static/chunks/9359.67c08b6f61cb7304.js
Invoker: https://static-catalog.sokolov.ru/_next/static/chunks/9359.67c08b6f61cb7304.js Invoker Type: classic-script Window attribution: self
https://static-catalog.sokolov.ru/_next/static/chunks/8005.7672b23712230e28.js
Invoker: https://static-catalog.sokolov.ru/_next/static/chunks/8005.7672b23712230e28.js Invoker Type: classic-script Window attribution: self

Blocking duration	Work duration	Render duration	PreLayout Duration	Style And Layout Duration
4 ms	112.8 ms	4.2 ms	2.9 ms	1.3 ms
No availible script information.

Blocking duration	Work duration	Render duration	PreLayout Duration	Style And Layout Duration
0 ms	612.8 ms	25.2 ms	0.1 ms	25.1 ms
https://static-catalog.sokolov.ru/_next/static/chunks/main-8933f27b2dfdcc1f.js
Invoker: https://static-catalog.sokolov.ru/_next/static/chunks/main-8933f27b2dfdcc1f.js Invoker Type: classic-script Window attribution: self

Blocking duration	Work duration	Render duration	PreLayout Duration	Style And Layout Duration
0 ms	56.2 ms	3.8 ms	0.7 ms	3.1 ms
No availible script information.

Blocking duration	Work duration	Render duration	PreLayout Duration	Style And Layout Duration
0 ms	49.8 ms	1.2 ms	0.5 ms	0.7 ms
No availible script information.

Server timings

There are no Server Timings.

Custom metrics collected through JavaScript

There are no custom configured scripts.

Extra metrics collected using scripting

There are no custom extra metrics from scripting.

CDP Performance

name	value
AudioHandlers	0
AudioWorkletProcessors	0
Documents	6
Frames	6
JSEventListeners	947
LayoutObjects	575
MediaKeySessions	0
MediaKeys	0
Nodes	1190
Resources	100
ContextLifecycleStateObservers	63
V8PerContextDatas	1
WorkerGlobalScopes	0
UACSSResources	0
RTCPeerConnections	0
ResourceFetchers	6
AdSubframes	0
DetachedScriptStates	2
ArrayBufferContents	68
LayoutCount	91
RecalcStyleCount	444
LayoutDuration	42
RecalcStyleDuration	355
DevToolsCommandDuration	41
ScriptDuration	893
V8CompileDuration	2
TaskDuration	2475
TaskOtherDuration	1141
ThreadTime	2
ProcessTime	4
JSHeapUsedSize	11886476
JSHeapTotalSize	32268288
FirstMeaningfulPaint	1320

PageXray

How the page is built.

Summary
HTTP version	HTTP/2.0
Total requests	110
Total domains	6
Total transfer size	3.0 MB
Total content size	4.8 MB
Responses missing compression	40
Number of cookies	13
Third party cookies	0

Requests per response code
200	108
206	1
404	1

Largest assets on the page (by transfer size)

URL	Type	Transfer Size	Content Size
https://cdn.sokolov....415a24916a9fd.mp4	video	1.0 MB	1.0 MB
https://cdn.sokolov....a73b234acafc0.jpg	image	180.3 KB	179.8 KB
https://static-catal...2042836213b477.js	javascript	172.0 KB	604.4 KB
https://cdn.sokolov....87852cf297369.jpg	image	153.4 KB	153.0 KB
https://cdn.sokolov....be23dad1122fa.jpg	image	109.5 KB	109.1 KB
https://cdn.sokolov....bb2b7b9f96575.jpg	image	89.1 KB	88.7 KB
https://cdn.sokolov....ba56d318ab2e2.jpg	image	77.2 KB	76.9 KB
https://cdn.sokolov....8a32b78e96577.jpg	image	76.5 KB	76.2 KB
https://cdn.sokolov....e3a98764e67a1.jpg	image	70.4 KB	70.0 KB
https://cdn.digineti...00/client-lite.js	javascript	66.9 KB	248.4 KB
https://static-catal...a8921dab738876.js	javascript	66.5 KB	204.9 KB
https://cdn.sokolov....5cd5d5da5b413.jpg	image	61.0 KB	60.7 KB
https://cdn.sokolov....e8978107d5627.jpg	image	59.0 KB	58.7 KB
https://cdn.sokolov....rat/regular.woff2	font	52.2 KB	51.8 KB
https://cdn.sokolov....serrat/bold.woff2	font	52.1 KB	51.7 KB
https://cdn.sokolov....at/semibold.woff2	font	52.0 KB	51.7 KB
https://cdn.sokolov....rrat/medium.woff2	font	51.9 KB	51.6 KB
https://static-catal...c851fe6abc320.css	css	50.7 KB	366.8 KB
https://cdn.sokolov....444e0c80a2198.jpg	image	49.8 KB	49.5 KB
https://cdn.sokolov....cc41d907c53af.jpg	image	40.4 KB	40.1 KB

Requests and sizes per content type

Content	Header Size	Transfer Size	Content Size	Requests
html	0 b	9.8 KB	54.0 KB	1
css	0 b	90.0 KB	556.9 KB	11
javascript	555 B	603.0 KB	1.9 MB	52
image	686 B	1.1 MB	1.1 MB	20
font	0 b	208.2 KB	206.8 KB	4
json	0 b	17.4 KB	46.2 KB	13
other	0 b	0 b	0 b	1
favicon	0 b	3.7 KB	14.7 KB	1
video	0 b	1.0 MB	1.0 MB	1
svg	0 b	3.4 KB	4.1 KB	5
Total	1.2 KB	3.0 MB	4.8 MB	109

Data per domain

Domain	Total download time	Transfer Size	Content Size	Requests
sokolov.ru	2.383 s	26.8 KB	99.5 KB	13
cdn.sokolov.ru	30.227 s	2.3 MB	2.3 MB	28
static-catalog.sokolov.ru	41.161 s	630.7 KB	2.2 MB	64
seo.sokolov.ru	846 ms	207 B	31 B	2
cdn.diginetica.net	664 ms	66.9 KB	248.4 KB	1
tracking.diginetica.net	610 ms	74 B	74 B	2

Expires and last modified statistics

type	min	median	max
Expires	0 seconds	1 year	1 year
Last modified	5 hours	3 weeks	1 year

Requests loaded after onLoad event

Included requests done after load event end.

Content	Transfer Size	Requests
html	0 b	0
css	11.4 KB	7
javascript	208.1 KB	38
image	1.1 MB	20
font	0 b	0
json	17.4 KB	13
other	0 b	1
favicon	3.7 KB	1
video	1.0 MB	1
svg	3.4 KB	5
Total	2.3 MB	87

Requests loaded after onContentLoad

Includes requests done after DOM content loaded.

Content	Transfer Size	Requests
html	0 b	0
css	11.4 KB	7
javascript	208.1 KB	38
image	1.1 MB	20
font	0 b	0
json	17.4 KB	13
other	0 b	1
favicon	3.7 KB	1
video	1.0 MB	1
svg	3.4 KB	5
Total	2.3 MB	87

Render blocking requests

Render blocking information directly from Chrome.

Blocking	In body parser blocking	Potentially blocking
0	0	0

Render information

URL	Type
https://static-catal...2042836213b477.js	non_blocking
https://cdn.digineti...00/client-lite.js	non_blocking
https://static-catal...a8921dab738876.js	non_blocking
https://cdn.sokolov....rat/regular.woff2	non_blocking
https://cdn.sokolov....serrat/bold.woff2	non_blocking
https://cdn.sokolov....at/semibold.woff2	non_blocking
https://cdn.sokolov....rrat/medium.woff2	non_blocking
https://static-catal...c851fe6abc320.css	non_blocking
https://static-catal...528e618c90a44c.js	non_blocking
https://static-catal...33f27b2dfdcc1f.js	non_blocking
https://static-catal...c08b6f61cb7304.js	non_blocking
https://static-catal...ad076cb54663ae.js	non_blocking
https://static-catal...d4955c7aea6026.js	non_blocking
https://static-catal...e8ec0aad0d4042.js	non_blocking
https://static-catal...b72e76d5480d80.js	non_blocking
https://static-catal...b158f59051cc9.css	non_blocking
https://static-catal...01167552dc71d0.js	non_blocking
https://static-catal...ffff92113ca794.js	non_blocking
https://static-catal...1e17b595b138db.js	non_blocking
https://static-catal...0bbe34be4659f7.js	non_blocking
https://static-catal...21e081a6569c17.js	non_blocking
https://static-catal...cdcc44c06b3a97.js	non_blocking
https://static-catal...7e73a429627c4a.js	non_blocking
https://static-catal...914a619aaaccf.css	non_blocking
https://static-catal...6eb2d9007ae08.css	non_blocking
https://static-catal...ef9fd56b8149f.css	dynamically_injected_non_blocking
https://static-catal...1cf4318b10989f.js	non_blocking
https://static-catal...dc9d112b575157.js	non_blocking
https://static-catal...72b23712230e28.js	non_blocking
https://static-catal...f7556ef5a1e9ce.js	non_blocking
https://static-catal..._buildManifest.js	non_blocking
https://static-catal...cf24f034ca1213.js	non_blocking
https://static-catal...348b4197b9a88c.js	non_blocking
https://static-catal...673ffea797ece4.js	non_blocking
https://static-catal...96268524cf9ad9.js	non_blocking
https://static-catal...410ee3fa1a458.css	dynamically_injected_non_blocking
https://static-catal...ac3b8b55b95e77.js	non_blocking
https://static-catal...e73f2837930ee.css	dynamically_injected_non_blocking
https://static-catal...1e104d0f1004dc.js	non_blocking
https://static-catal...4b4ff17b50adba.js	non_blocking
https://static-catal...1d0e0438bca7ce.js	non_blocking
https://static-catal...0a7fa6b7f21d29.js	non_blocking
https://static-catal...640d30117f472.css	dynamically_injected_non_blocking
https://static-catal...538a4e5a3c925.css	dynamically_injected_non_blocking
https://static-catal...266e8a8ec961e5.js	non_blocking
https://static-catal...530d7fb760155d.js	non_blocking
https://static-catal...6de3534181a6c.css	dynamically_injected_non_blocking
https://static-catal...3e781220919010.js	non_blocking
https://static-catal...882f6609710448.js	non_blocking
https://static-catal...b68982a7d87933.js	non_blocking
https://static-catal...2f11aa9c6186ed.js	non_blocking
https://static-catal...2ae05d5b98e6c7.js	non_blocking
https://static-catal...6feea9bba83fc3.js	non_blocking
https://static-catal...0baf6b0adfaf4f.js	non_blocking
https://static-catal...cb04399386cb06.js	non_blocking
https://static-catal...178d6b31bb5c57.js	non_blocking
https://static-catal...0417b504718185.js	non_blocking
https://static-catal...474eba56f03d9e.js	non_blocking
https://static-catal...a1bbca34ed712a.js	non_blocking
https://static-catal...1bac4a22023b4a.js	non_blocking
https://static-catal...f858da31fff1c0.js	non_blocking
https://static-catal...cd38181e3bfa34.js	non_blocking
https://static-catal...31b44350d7fc6c.js	non_blocking
https://static-catal...3378153b0b486.css	dynamically_injected_non_blocking
https://static-catal...e88d58e567c71a.js	non_blocking
https://static-catal...ac726038f76803.js	non_blocking
https://static-catal...m/_ssgManifest.js	non_blocking

CPU Long Tasks | CPU Time Spent | CPU Time Spent Per Request | CPU Time Per Tool/Domain |

CPU

Download the Chrome trace log and drag and drop it into Developer Tools / Performance in Chrome.

Download trace log

Long Tasks

Collected using the Long Task API. A long task is a task that take 50 milliseconds or more.

Type	Quantity	Total duration (ms)
Total Blocking Time		389
Max Potential First Input Delay		258
Long Tasks before First Paint	0	0
Long Tasks before First Contentful Paint	0	0
Long Tasks before Largest Contentful Paint	3	331
Long Tasks after Load Event End	3	530
Total Long Tasks	4	589

CPU last long task happened at 2.923 s

Individual Long Tasks

name	startTime	duration	containerType
self	1484	59	window
self	1578	196	window
self	2164	76	window
self	2923	258	window

CPU time spent

Calculated using Tracium.

Categories (ms)
parseHTML	15
styleLayout	327
paintCompositeRender	110
scriptParseCompile	2
scriptEvaluation	1161
garbageCollection	71
other	629

Events (ms)
FunctionCall	640
RunTask	467
RunMicrotasks	301
UpdateLayoutTree	290
v8.run	154
Paint	74
V8.GC_SCAVENGER_SCAVENGE_PARALLEL	56
PrePaint	51
Layout	38
IntersectionObserverController::computeIntersections	32
Layerize	31
Commit	30
PaintImage	25
v8.callFunction	16
V8.HandleInterrupts	15
V8.BytecodeBudgetInterrupt	13

Time spent per request

URL	CPU time (ms)
https://static-catalog.sokolov.ru/_next/static/chunks/framework-12a8921dab738876.js	642
https://cdn.diginetica.net/300/client-lite.js	261
https://static-catalog.sokolov.ru/_next/static/chunks/9359.67c08b6f61cb7304.js	97
https://static-catalog.sokolov.ru/_next/static/chunks/4643-fe528e618c90a44c.js	92
https://static-catalog.sokolov.ru/_next/static/chunks/3333.c9b72e76d5480d80.js	76
https://static-catalog.sokolov.ru/_next/static/chunks/pages/_app-072042836213b477.js	61
https://static-catalog.sokolov.ru/_next/static/chunks/8005.7672b23712230e28.js	42
https://static-catalog.sokolov.ru/_next/static/chunks/pages/main/client-5631b44350d7fc6c.js	23
https://static-catalog.sokolov.ru/_next/static/chunks/main-8933f27b2dfdcc1f.js	17
https://static-catalog.sokolov.ru/_next/static/chunks/1571.92dc9d112b575157.js	17

CPU time spent

Tool/domain	Time (ms)
static-catalog.sokolov.ru	1068.9
cdn.diginetica.net	261.5

| Categories | | First vs third |

Third party

Third party requests categorised by Third party web version 0.26.2.

Category	Requests

Category	Number of tools

Unmatched third party domains

Here's a list of domains that didn't match any tool in Third party web. If you are sure they are third party domains, please do a PR to that project. You can also fine tune the list using --firstParty.

cdn.diginetica.net

tracking.diginetica.net

First party requests and sizes per content type

Calculated using .*sokolov.* (use --firstParty to configure).

Content	Header Size	Transfer Size	Content Size	Requests
html	0 b	9.8 KB	54.0 KB	1
css	0 b	90.0 KB	556.9 KB	11
javascript	0 b	536.1 KB	1.6 MB	51
image	0 b	1.1 MB	1.1 MB	18
font	0 b	208.2 KB	206.8 KB	4
json	0 b	17.4 KB	46.2 KB	13
other	0 b	0 b	0 b	1
favicon	0 b	3.7 KB	14.7 KB	1
video	0 b	1.0 MB	1.0 MB	1
svg	0 b	3.4 KB	4.1 KB	5
Total	N/A	2.9 MB	4.6 MB	107

Third party requests and sizes per content type

Content	Header Size	Transfer Size	Content Size	Requests
html	0 b	0 b	0 b	0
css	0 b	0 b	0 b	0
javascript	555 B	66.9 KB	248.4 KB	1
image	686 B	74 B	74 B	2
font	0 b	0 b	0 b	0
Total	1.2 KB	67.0 KB	248.5 KB	3

| afterPageCompleteCheck.png | layoutShift.png | largestContentfulPaint.png |

Screenshots

afterPageCompleteCheck.png

layoutShift.png

largestContentfulPaint.png

Axe

Axe is an accessibility testing engine for websites and other HTML-based user interfaces. Tested using axe-core version 4.10.2. Read more about axe-core .

Violations

critical
Buttons must have discernible text (cat.name-role-value,wcag2a,wcag412,section508,section508.22.a,TTv5,TT6.a,EN-301-549,EN-9.4.1.2,ACT) - button-name	Ensure buttons have discernible text
Fix any of the following: Element does not have inner text that is visible to screen readers aria-label attribute does not exist or is empty aria-labelledby attribute does not exist, references elements that do not exist or references elements that are empty Element has no title attribute Element does not have an implicit (wrapped) <label> Element does not have an explicit <label> Element's default semantics were not overridden with role="none" or role="presentation" <button class="TopLine_promo-topline__close__NxqbX"> <button type="button" class="ButtonDeprecated_sklv-button__Wy8xr ButtonDeprecated_sklv-button_icon___v8v7 Burger_header-burger-button__closed__AmQZm" data-qa="burger_btn"> <button type="button" class="ButtonDeprecated_sklv-button__Wy8xr ButtonDeprecated_sklv-button_icon___v8v7 HeaderTop_header-btn__J8kmh HeaderTop_header-btn-search__U3ue7"> <button type="button" class="NavigationButton_sklv__swiper-btn__mnW6Y NavigationButton_sklv__swiper-btn_prev__Rurka NavigationButton_sklv__swiper-btn_main_banner__xkIcD"> <button type="button" class="NavigationButton_sklv__swiper-btn__mnW6Y NavigationButton_sklv__swiper-btn_next__kxotX NavigationButton_sklv__swiper-btn_main_banner__xkIcD"> <button type="button" class="ButtonOld_button__4STTl ButtonOld_primary__ZqlEK ButtonOld_main__RQyRr ButtonOld_m__rPsi1" loading=""></button> <button type="button" class="ButtonOld_button__4STTl ButtonOld_primary__ZqlEK ButtonOld_main__RQyRr ButtonOld_m__rPsi1" loading=""></button> <button type="button" class="ButtonOld_button__4STTl ButtonOld_primary__ZqlEK ButtonOld_main__RQyRr ButtonOld_m__rPsi1" loading=""></button> <button type="button" class="ButtonOld_button__4STTl ButtonOld_primary__ZqlEK ButtonOld_main__RQyRr ButtonOld_m__rPsi1" loading=""></button> <button type="button" class="ButtonOld_button__4STTl ButtonOld_primary__ZqlEK ButtonOld_main__RQyRr ButtonOld_m__rPsi1" loading=""></button> <button type="button" class="ButtonOld_button__4STTl ButtonOld_primary__ZqlEK ButtonOld_main__RQyRr ButtonOld_m__rPsi1" loading=""></button> <button type="button" class="ButtonDeprecated_sklv-button__Wy8xr ButtonDeprecated_sklv-button_icon___v8v7 IconButton_icon-button__kK7yS DownloadAppBanner_body__close-btn__vBTUR" types="icon" icon="close" loading="">
serious
Elements must meet minimum color contrast ratio thresholds (cat.color,wcag2aa,wcag143,TTv5,TT13.c,EN-301-549,EN-9.1.4.3,ACT) - color-contrast	Ensure the contrast between foreground and background colors meets WCAG 2 AA minimum contrast ratio thresholds
Fix any of the following: Element has insufficient color contrast of 4.17 (foreground color: #257ae8, background color: #ffffff, font size: 8.3pt (11px), font weight: normal). Expected contrast ratio of 4.5:1 <div class="NavigationButton_navigation-button__text__aTSFr">Главная</div> <div class="NavigationButton_navigation-button__text__aTSFr">Каталог</div> <div class="NavigationButton_navigation-button__text__aTSFr">Избранное</div> <div class="NavigationButton_navigation-button__text__aTSFr">Корзина</div> <div class="NavigationButton_navigation-button__text__aTSFr">Профиль</div> <button type="button" class="ButtonOld_button__4STTl ButtonOld_primary__ZqlEK ButtonOld_main__RQyRr ButtonOld_m__rPsi1 Products_products_more_button__9nPrh" loading="">Еще товары</button> <span class="DownloadAppBanner_header__element__SJIW1" style="background: rgb(214, 89, 93);">ШОК-цена</span> <span class="DownloadAppBanner_header__element__SJIW1" style="background: rgb(209, 75, 140);">Больше акций</span> <span class="DownloadAppBanner_header__element__SJIW1" style="background: rgb(77, 165, 74);">-80%</span> <span class="DownloadAppBanner_header__element__SJIW1" style="background: rgb(157, 108, 241);">10 000 Бонусных рублей</span> <button type="button" class="ButtonDeprecated_sklv-button__Wy8xr ButtonDeprecated_sklv-button_blue__3kX9c ButtonDeprecated_medium__rtvco DownloadAppBanner_body__continue-button__eoKz8" types="blue">Продолжить в приложении</button>
minor
Headings should not be empty (cat.name-role-value,best-practice) - empty-heading	Ensure headings have discernible text
Fix any of the following: Element does not have text that is visible to screen readers aria-label attribute does not exist or is empty aria-labelledby attribute does not exist, references elements that do not exist or references elements that are empty Element has no title attribute <h2 class="Products_products_title__Prq1z"></h2> <h2 class="Products_products_title__Prq1z"></h2> <h2 class="Selection_selection-slider__title__fcGUR"></h2> <h2 class="Products_products_title__Prq1z"></h2> <h2 class="Products_products_title__Prq1z"></h2> <h2 class="Products_products_title__Prq1z"></h2> <h2 class="Products_products_title__Prq1z"></h2> <h2 class="Products_products_title__Prq1z"></h2>
moderate
Heading levels should only increase by one (cat.semantics,best-practice) - heading-order	Ensure the order of headings is semantically correct
Fix any of the following: Heading order invalid <h4 class="DownloadAppBanner_body__title__z7GlV">В приложении выгоднее</h4>
serious
Links must have discernible text (cat.name-role-value,wcag2a,wcag244,wcag412,section508,section508.22.a,TTv5,TT6.a,EN-301-549,EN-9.2.4.4,EN-9.4.1.2,ACT) - link-name	Ensure links have discernible text
Fix all of the following: Element is in tab order and does not have accessible text Fix any of the following: Element does not have text that is visible to screen readers aria-label attribute does not exist or is empty aria-labelledby attribute does not exist, references elements that do not exist or references elements that are empty Element has no title attribute <a class="TopLine_sklv-topline__link__BIztV" href="/ecom/14012025/"></a> <a class="SklvTextWithPhotoSlide_sklv-slide-text__SPAK8" href="/jewelry-catalog/additional-sale10/additional-sale20/additional-sale30/additional-sale40/?stock=Y"> <a class="SklvTextWithPhotoSlide_sklv-slide-text__SPAK8" href="/omni/12092024-40/"> <a class="SliderVideo_sklv-video__sdvFA" href="/gift-card/?utm_source=site&utm_medium=banner&utm_campaign=pk_sept"> <a class="SklvTextWithPhotoSlide_sklv-slide-text__SPAK8" href="/omni/holiday2025/"> <a class="Products_products_link__AGRBV" style="color:#fff" href="/main/client/"><button type="button" class="ButtonOld_button__4STTl ButtonOld_primary__ZqlEK ButtonOld_main__RQyRr ButtonOld_m__rPsi1" loading=""></button></a> <a class="Products_products_link__AGRBV" style="color:#fff" href="/main/client/"><button type="button" class="ButtonOld_button__4STTl ButtonOld_primary__ZqlEK ButtonOld_main__RQyRr ButtonOld_m__rPsi1" loading=""></button></a> <a class="Products_products_link__AGRBV" style="color:#fff" href="/main/client/"><button type="button" class="ButtonOld_button__4STTl ButtonOld_primary__ZqlEK ButtonOld_main__RQyRr ButtonOld_m__rPsi1" loading=""></button></a> <a class="Products_products_link__AGRBV" style="color:#fff" href="/main/client/"><button type="button" class="ButtonOld_button__4STTl ButtonOld_primary__ZqlEK ButtonOld_main__RQyRr ButtonOld_m__rPsi1" loading=""></button></a> <a class="Products_products_link__AGRBV" style="color:#fff" href="/main/client/"><button type="button" class="ButtonOld_button__4STTl ButtonOld_primary__ZqlEK ButtonOld_main__RQyRr ButtonOld_m__rPsi1" loading=""></button></a> <a class="Products_products_link__AGRBV" style="color:#fff" href="/main/client/"><button type="button" class="ButtonOld_button__4STTl ButtonOld_primary__ZqlEK ButtonOld_main__RQyRr ButtonOld_m__rPsi1" loading=""></button></a>
critical
Zooming and scaling must not be disabled (cat.sensory-and-visual-cues,wcag2aa,wcag144,EN-301-549,EN-9.1.4.4,ACT) - meta-viewport	Ensure <meta name="viewport"> does not disable text scaling and zooming
Fix any of the following: user-scalable=no on <meta> tag disables zooming on mobile devices <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, minimal-ui, user-scalable=no"> <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, minimal-ui, user-scalable=no">
moderate
All page content should be contained by landmarks (cat.keyboard,best-practice) - region	Ensure all page content is contained by landmarks
Fix any of the following: Some page content is not contained by landmarks <div class="DownloadAppBanner_header__BKHi7"> <h4 class="DownloadAppBanner_body__title__z7GlV">В приложении выгоднее</h4> <p class="DownloadAppBanner_body__text__YRSDS">Уникальные цены и акции в мобильном приложении каждый день</p>
serious
Scrollable region must have keyboard access (cat.keyboard,wcag2a,wcag211,wcag213,TTv5,TT4.a,EN-301-549,EN-9.2.1.1,EN-9.2.1.3) - scrollable-region-focusable	Ensure elements that have scrollable content are accessible by keyboard
Fix any of the following: Element should have focusable content Element should be focusable <section class="DataProvider_sklv-main-section__wXrbC DataProvider_sklv-main-section_main-stories__vSpSr">

Run 2 summary

https://sokolov.ru/

Summary

Waterfall

Filmstrip

Coach

Coach score

Performance advice (67)

Best practice advice (98)

Privacy advice (86)

Page info

Technologies used to build the page.

Visual Metrics

Browser Metrics

Largest Contentful Paint

Detected Cumulative Layout Shift

Long Animation Frames

Server timings

Custom metrics collected through JavaScript

Extra metrics collected using scripting

CDP Performance

PageXray

Largest assets on the page (by transfer size)

Requests and sizes per content type

Data per domain

Expires and last modified statistics

Requests loaded after onLoad event

Requests loaded after onContentLoad

Render blocking requests

Render information

CPU

Long Tasks

Individual Long Tasks

CPU time spent

Time spent per request

CPU time spent

Third party

Unmatched third party domains

First party requests and sizes per content type

Third party requests and sizes per content type

Screenshots

Axe

Violations