Run 2 summary

https://www.wildberries.ru

Tested 2024-10-17 04:02:34 using Chrome 129.0.6668.89 (runtime settings).

SummaryWaterfall MetricsFilmstrip CoachPageXrayCPU Third partyScreenshotsaxe

Summary

MetricValue
Page metrics
Performance score61
Total page size2.8 MB
Requests38
Timing metrics
TTFB772 ms
First Paint2.766 s
Fully Loaded96.047 s
Google Web Vitals
TTFB772 ms
First Contentful Paint (FCP) 2.766 s
Largest Contentful Paint (LCP) 32.620 s
Cumulative Layout Shift (CLS) 0.00
Total Blocking Time1.858 s
Max Potential FID1.518 s
CPU metrics
CPU long tasks4
CPU last long task happens at31.099 s
Visual Metrics
First Visual Change2.800 s
Speed Index10.819 s
Visual Complete 85%32.667 s
Visual Complete 99%100.967 s
Last Visual Change101.200 s
Screenshot
| Waterfall | | Download HAR | 

Waterfall

| Filmstrip | 

Filmstrip

Use--filmstrip.showAll to show all filmstrips.

0 s
2.7 sCPU Long Task duration 82 ms
2.8 sFirst Contentful Paint 2.766 sFirst Visual Change 2.800 s
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3.7 sCPU Long Task duration 70 ms
3.8 sDOM Content Loaded Time 3.712 s
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4.8 sCPU Long Task duration 420 ms
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31.1 sCPU Long Task duration 1.518 s
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32.7 sLCP <HEADER> 32.620 sVisual Complete 85% 32.667 sVisual Complete 95% 32.667 s
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94.8 sPage Load Time 94.707 s
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101 sVisual Complete 99% 100.967 s
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101.2 sLast Visual Change 101.200 s
| Performance advice | Best practice advice | Privacy advice | Page info | Technologies | 

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 8.0.2.

I am the coach

Coach score

Performance advice (61)

TitleAdviceScore
Avoid slowing down the critical rendering path (avoidRenderBlocking)The page has 2 blocking requests and 4 in body parser blocking (4 JavaScript and 2 CSS).60
Description: The critical rendering path is what the browser needs to do to start rendering the page. Every file requested inside of the head element will postpone the rendering of the page, because the browser need to do the request. Avoid loading JavaScript synchronously inside of the head (you should not need JavaScript to render the page), request files from the same domain as the main document (to avoid DNS lookups) and inline CSS for really fast rendering and a short rendering path.
Offenders:
  • https://static-basket-01.wbbasket.ru/vol0/j/app.min.ad19a657450fb2cc.js
  • https://static-basket-01.wbbasket.ru/vol0/j/spa/index.min.3ef8139d61468dff.js
  • https://static-basket-01.wbbasket.ru/vol0/r/js-templates-ru-ru.10.0.42.1.js
  • https://static-basket-01.wbbasket.ru/vol0/r/route-data-ru.10.0.42.1.js
  • Have a fast first contentful paint (firstContentfulPaint)First contentful paint can be improved (2.766 s). It is in the Google Web Vitals needs improvement range, slower than 1.8 seconds.50
    Description: The First Contentful Paint (FCP) metric measures the time from when the page starts loading to when any part of the page content is rendered on the screen. For this metric, "content" refers to text, images (including background images), <svg> elements, or non-white <canvas> elements.
    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.95
    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.
    Have a fast largest contentful paint (largestContentfulPaint)Largest contentful paint is poor 32.620 s. It is in the Google Web Vitals poor range, slower than 4.5 seconds.0
    Description: Largest contentful paint is one of Google Web Vitals and reports the render time of the largest image or text block visible within the viewport, relative to when the page first started loading. To be fast according to Google, it needs to render before 2.5 seconds and results over 4 seconds is poor performance.
    Offenders:
  • https://static-basket-01.wbbasket.ru/vol0/i/v3/header/background_wb-birthday_2024.webp
  • Avoid CPU Long Tasks (longTasks)The page has 4 CPU long tasks with the total of 2.090 s. The total blocking time is 1.858 s and 1 long task before first contentful paint with total time of 82 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.20
    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:
  • unknown
  • self
  • self
  • self
  • Avoid Frontend single point of failures (spof)The page has 2 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.90
    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-basket-01.wbbasket.ru/vol0/s/desktop/style/views/spa/main-v3.min.bd54797f203b9042.css
  • https://static-basket-01.wbbasket.ru/vol0/s/desktop/style/views/spa/common.min.3ae7c63f4268e263.css
  • Avoid extra requests by setting cache headers (cacheHeaders)The page has 30 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 2.9 MB the next access.0
    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://static-basket-01.wbbasket.ru/vol0/s/desktop/style/views/spa/main-v3.min.bd54797f203b9042.css
  • https://static-basket-01.wbbasket.ru/vol0/s/desktop/style/views/spa/common.min.3ae7c63f4268e263.css
  • https://static-basket-01.wbbasket.ru/vol0/i/v3/header/wb-logo_wb-birthday_2024_2.webp
  • https://static-basket-01.wbbasket.ru/vol0/i/v3/apps/qr-apps.svg
  • https://static-basket-01.wbbasket.ru/vol0/j/app.min.ad19a657450fb2cc.js
  • https://static-basket-01.wbbasket.ru/vol0/j/spa/index.min.3ef8139d61468dff.js
  • https://static-basket-01.wbbasket.ru/vol0/r/js-templates-ru-ru.10.0.42.1.js
  • https://static-basket-01.wbbasket.ru/vol0/r/route-data-ru.10.0.42.1.js
  • https://static-basket-01.wbbasket.ru/vol0/i/v3/header/background_wb-birthday_2024.webp
  • https://static-basket-01.wbbasket.ru/vol0/data/promotion-creatives.json.hash
  • https://static-basket-01.wb.ru/vol1/global-payment/default-payment.json
  • https://static-basket-01.wbbasket.ru/vol0/data/cargo-delivery-stores-v2.json
  • https://static-basket-01.wbbasket.ru/vol0/data/stores-data.json
  • https://static-basket-01.wbbasket.ru/vol0/t/jst/spahome-ru-ru.34c9e63907252df4.json
  • https://static-basket-01.wbbasket.ru/vol0/s/desktop/style/views/site/main-page-v...e3aba865477cc.css
  • https://user-geo-data.wildberries.ru/get-geo-info...s.ru/get-geo-info
  • https://static-basket-01.wbbasket.ru/vol0/data/promotion-creatives.json
  • https://static-basket-01.wbbasket.ru/vol0/j/spa/services/orderService.min.1ae4b06e459a9146.js
  • https://static-basket-01.wbbasket.ru/vol0/j/spa/services/wbxOrderService.min.a49817e336a3df91.js
  • https://static-basket-01.wbbasket.ru/vol0/data/main-menu-ru-ru-v3.json
  • https://static-basket-01.wbbasket.ru/vol0/t/jst/menutoptmpl-ru-ru.d7da992fc1c000da.json
  • https://banners-website.wildberries.ru/public/v1/banners...public/v1/banners
  • https://static-basket-01.wbbasket.ru/vol0/data/menu/catalog/ekspress-dostavka.json
  • https://static-basket-01.wbbasket.ru/vol0/t/jst/onlinechatpopup-ru-ru.57da630cb64e406d.json
  • https://static-basket-01.wbbasket.ru/vol0/data/all-poo-v9.json.hash
  • https://static-basket-01.wbbasket.ru/vol0/data/all-poo-fr-v9.json
  • https://www.wildberries.ru/manifestv2.json
  • https://www.wildberries.ru/icon.svg
  • https://www.wildberries.ru/favicon.ico
  • https://www.wildberries.ru/android-icon-144x144.png
  • 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).99
    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://a.wb.ru/sdk/sdk.js
  • Total CSS size shouldn't be too big (cssSize)The total CSS transfer size is 173.8 kB and uncompressed size is 803.3 kB. That is big and the CSS could most probably be smaller.0
    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:
    URLTransfer sizeContent size
    https://static-basket-01.wbbasket.ru/vol0/s/desktop/style/views/spa/main-v3.min.bd54797f203b9042.css 53.0 KB258.4 KB
    https://static-basket-01.wbbasket.ru/vol0/s/desktop/style/views/spa/common.min.3ae7c63f4268e263.css 110.9 KB480.1 KB
    https://static-basket-01.wbbasket.ru/vol0/s/desktop/style/views/site/main-page-v...e3aba865477cc.css 5.7 KB46.0 KB
    The favicon should be small and cacheable (favicon)The favicon size is 16 kB bytes. That's quite big, can you make it smaller? The favicon has no cache time. 0
    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://www.wildberries.ru/favicon.ico
  • Total JavaScript size shouldn't be too big (javascriptSize)The total JavaScript transfer size is 210.5 kB and the uncompressed size is 803.2 kB. This is quite large. 0
    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:
    URLTransfer sizeContent size
    https://static-basket-01.wbbasket.ru/vol0/j/app.min.ad19a657450fb2cc.js 42.2 KB108.9 KB
    https://static-basket-01.wbbasket.ru/vol0/j/spa/index.min.3ef8139d61468dff.js 121.8 KB492.3 KB
    https://static-basket-01.wbbasket.ru/vol0/r/js-templates-ru-ru.10.0.42.1.js 1.8 KB5.7 KB
    https://static-basket-01.wbbasket.ru/vol0/r/route-data-ru.10.0.42.1.js 17.7 KB109.6 KB
    https://a.wb.ru/sdk/sdk.js 2.1 KB5.8 KB
    https://static-basket-01.wbbasket.ru/vol0/j/spa/services/orderService.min.1ae4b06e459a9146.js 8.7 KB26.0 KB
    https://static-basket-01.wbbasket.ru/vol0/j/spa/services/wbxOrderService.min.a49817e336a3df91.js 11.3 KB36.0 KB
    Make each CSS response small (optimalCssSize)https://static-basket-01.wbbasket.ru/vol0/s/desktop/style/views/spa/main-v3.min.bd54797f203b9042.css size is 54.3 kB (54315) and that is bigger than the limit of 14.5 kB. https://static-basket-01.wbbasket.ru/vol0/s/desktop/style/views/spa/common.min.3ae7c63f4268e263.css size is 113.6 kB (113596) and that is bigger than the limit of 14.5 kB. Try to make the CSS files fit into 14.5 KB.80
    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:
    URLTransfer sizeContent size
    https://static-basket-01.wbbasket.ru/vol0/s/desktop/style/views/spa/main-v3.min.bd54797f203b9042.css 53.0 KB258.4 KB
    https://static-basket-01.wbbasket.ru/vol0/s/desktop/style/views/spa/common.min.3ae7c63f4268e263.css 110.9 KB480.1 KB
    Total page size shouldn't be too big (pageSize)The page total transfer size is 2.9 MB, which is more than the coach limit of 2 MB. That is really big and you need to make it smaller.0
    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:
    URLTransfer sizeContent size
    https://www.wildberries.ru/ 11.4 KB49.4 KB
    https://static-basket-01.wbbasket.ru/vol0/s/desktop/style/views/spa/main-v3.min.bd54797f203b9042.css 53.0 KB258.4 KB
    https://static-basket-01.wbbasket.ru/vol0/s/desktop/style/views/spa/common.min.3ae7c63f4268e263.css 110.9 KB480.1 KB
    https://static-basket-01.wbbasket.ru/vol0/i/v3/header/wb-logo_wb-birthday_2024_2.webp 16.0 KB15.9 KB
    https://static-basket-01.wbbasket.ru/vol0/i/v3/apps/qr-apps.svg 15.6 KB77.9 KB
    https://static-basket-01.wbbasket.ru/vol0/j/app.min.ad19a657450fb2cc.js 42.2 KB108.9 KB
    https://static-basket-01.wbbasket.ru/vol0/j/spa/index.min.3ef8139d61468dff.js 121.8 KB492.3 KB
    https://static-basket-01.wbbasket.ru/vol0/r/js-templates-ru-ru.10.0.42.1.js 1.8 KB5.7 KB
    https://static-basket-01.wbbasket.ru/vol0/r/route-data-ru.10.0.42.1.js 17.7 KB109.6 KB
    https://static-basket-01.wbbasket.ru/vol0/i/v3/header/background_wb-birthday_2024.webp 14.6 KB14.5 KB
    https://static-basket-01.wbbasket.ru/vol0/data/promotion-creatives.json.hash 161 B16 B
    https://a.wb.ru/sdk/sdk.js 2.1 KB5.8 KB
    https://static-basket-01.wb.ru/vol1/global-payment/default-payment.json 390 B195 B
    https://static-basket-01.wbbasket.ru/vol0/data/cargo-delivery-stores-v2.json 13.6 KB73.8 KB
    https://static-basket-01.wbbasket.ru/vol0/data/stores-data.json 70.9 KB1.3 MB
    https://static-basket-01.wbbasket.ru/vol0/t/jst/spahome-ru-ru.34c9e63907252df4.json 2.5 KB11.3 KB
    https://static-basket-01.wbbasket.ru/vol0/s/desktop/style/views/site/main-page-v...e3aba865477cc.css 5.7 KB46.0 KB
    https://www.wildberries.ru/webapi/stats/pageview 631 B38 B
    https://user-geo-data.wildberries.ru/get-geo-info...s.ru/get-geo-info 603 B355 B
    https://static-basket-01.wbbasket.ru/vol0/data/promotion-creatives.json 613 B1.0 KB
    https://static-basket-01.wbbasket.ru/vol0/j/spa/services/orderService.min.1ae4b06e459a9146.js 8.7 KB26.0 KB
    https://static-basket-01.wbbasket.ru/vol0/j/spa/services/wbxOrderService.min.a49817e336a3df91.js 11.3 KB36.0 KB
    https://static-basket-01.wbbasket.ru/vol0/data/main-menu-ru-ru-v3.json 67.7 KB453.7 KB
    https://static-basket-01.wbbasket.ru/vol0/t/jst/menutoptmpl-ru-ru.d7da992fc1c000da.json 1.6 KB7.5 KB
    https://www.wildberries.ru/webapi/stats/pageview 631 B38 B
    https://banners-website.wildberries.ru/public/v1/banners...public/v1/banners 10.6 KB130.7 KB
    https://static-basket-01.wbbasket.ru/vol0/data/menu/catalog/ekspress-dostavka.json 17.3 KB112.1 KB
    https://static-basket-01.wbbasket.ru/vol0/t/jst/onlinechatpopup-ru-ru.57da630cb64e406d.json 4.5 KB27.1 KB
    https://static-basket-01.wbbasket.ru/vol0/data/all-poo-v9.json.hash 161 B16 B
    https://static-basket-01.wbbasket.ru/vol0/data/all-poo-fr-v9.json 2.1 MB14.9 MB
    https://a.wb.ru/e/user_id...a.wb.ru/e/user_id 0 b0 b
    https://a.wb.ru/e/session_start...u/e/session_start 0 b0 b
    https://a.wb.ru/e/pageview....wb.ru/e/pageview 0 b0 b
    https://a.wb.ru/e/pageview....wb.ru/e/pageview 0 b0 b
    https://www.wildberries.ru/manifestv2.json 947 B1.5 KB
    https://www.wildberries.ru/icon.svg 1.3 KB1.5 KB
    https://www.wildberries.ru/favicon.ico 15.6 KB15.0 KB
    https://www.wildberries.ru/android-icon-144x144.png 16.7 KB16.1 KB
    Don't use private headers on static content (privateAssets)The page has 4 requests with private headers. Make sure that the assets really should be private and only used by one user. Otherwise, make it cacheable for everyone.60
    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://www.wildberries.ru/
  • https://www.wildberries.ru/manifestv2.json
  • https://www.wildberries.ru/icon.svg
  • https://www.wildberries.ru/android-icon-144x144.png
  • Best practice advice (70)

    TitleAdviceScore
    Meta description (metaDescription)The meta description is too long. It has 162 characters, the recommended max is 15550
    Description: Use a page description to make the page more relevant to search engines.
    Page title (pageTitle)The page is missing a title.0
    Description: Use a title to make the page more relevant to search engines.
    Avoid too many third party requests (thirdParty)The page do more requests to third party domains (29 requests and 2.9 MB) then first party (9 requests and 59.7 kB). The page transfer more bytes from third party domains (2.9 MB) then first party (59.7 kB). The regex .*wildberries.* was used to calculate first/third party requests.0
    Description: Do not load most of your content from third party URLs.
    Avoid unnecessary headers (unnecessaryHeaders)There are 8 responses that sets both a max-age and expires header. There are 7 responses that sets a pragma no-cache header (that is a request header). There are 14 responses that sets a server header. 71
    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.
    Offenders:
  • https://www.wildberries.ru/
  • https://www.wildberries.ru/
  • https://www.wildberries.ru/
  • https://a.wb.ru/sdk/sdk.js
  • https://a.wb.ru/sdk/sdk.js
  • https://www.wildberries.ru/webapi/stats/pageview
  • https://www.wildberries.ru/webapi/stats/pageview
  • https://www.wildberries.ru/webapi/stats/pageview
  • https://user-geo-data.wildberries.ru/get-geo-info...s.ru/get-geo-info
  • https://www.wildberries.ru/webapi/stats/pageview
  • https://www.wildberries.ru/webapi/stats/pageview
  • https://www.wildberries.ru/webapi/stats/pageview
  • https://banners-website.wildberries.ru/public/v1/banners...public/v1/banners
  • https://a.wb.ru/e/user_id...a.wb.ru/e/user_id
  • https://a.wb.ru/e/session_start...u/e/session_start
  • https://a.wb.ru/e/pageview....wb.ru/e/pageview
  • https://a.wb.ru/e/pageview....wb.ru/e/pageview
  • https://www.wildberries.ru/manifestv2.json
  • https://www.wildberries.ru/manifestv2.json
  • https://www.wildberries.ru/manifestv2.json
  • https://www.wildberries.ru/icon.svg
  • https://www.wildberries.ru/icon.svg
  • https://www.wildberries.ru/icon.svg
  • https://www.wildberries.ru/favicon.ico
  • https://www.wildberries.ru/favicon.ico
  • https://www.wildberries.ru/favicon.ico
  • https://www.wildberries.ru/android-icon-144x144.png
  • https://www.wildberries.ru/android-icon-144x144.png
  • https://www.wildberries.ru/android-icon-144x144.png
  • Privacy advice (93)

    TitleAdviceScore
    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://www.wildberries.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 includeSubDomains90
    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
    Width485
    Height1337
    DOM elements474
    Avg DOM depth9
    Max DOM depth18
    Iframes0
    Script tags63
    Local storage1.8 KB
    Session storage106 B
    Network Information API3g
    Resource Hints
    preconnect
    https://static-basket-01.wbbasket.ru/
    https://splitter.wb.ru/
    https://photos.wbstatic.net/
    https://wb.ru/

    Technologies used to build the page.

    Data collected using Wappalyzerversion 6.10.66.  Use --browsertime.firefox.includeResponseBodies htmlor --browsertime.chrome.includeResponseBodies htmlto help Wappalyser find more information about technologies used.

    TechnologyConfidenceCategory
    HSTS 100  Security
    HTTP/3 100  Miscellaneous
    | Browser metrics | Visual Metrics | Largest Contentful Paint | Cumulative Layout Shift | Long Aninimation Frames | Metrics from CDP | 

    Visual Metrics

    Browser Metrics

    Google Web Vitals
    Time to first byte (TTFB)772 ms
    First Contentful Paint (FCP)2.766 s
    Largest Contentful Paint (LCP)32.620 s
    Total Blocking Time (TBT)1.858 s
    First Contentful Paint info
    Elements that needed recalculate style before FCP331
    Time spent in recalculate style before FCP44.713 ms
    Extra timings
    TTFB772 ms
    First Paint2.766 s
    Load Event End94.707 s
    Fully loaded96.047 s

    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 typeHEADER
    Element/tag<header class="header j-header"></header>
    Render time 32.620 s
    Elements that needed recalculate style before LCP2839
    Time spent in recalculate style before LCP264.031 ms
    Load time32.620 s
    URL https://static-baske...irthday_2024.webp
    Size (width*height)31040
    DOM path
    div:eq(0) > header> div:eq(0) > header>
    LCP

    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.

    LCP

    Detected Cumulative Layout Shift

    No layout shift detected.

    Long Animation Frames

    Read more about the Long Animation Frames API here here.

    The top 10 longest animation frames entries

    Blocking duration Work durationRender durationPreLayout DurationStyle And Layout Duration
    1.468 s1.518 s0 ms0 ms0 ms
    https://static-basket-01.wbbasket.ru/vol0/j/spa/index.min.3ef8139d61468dff.js

    Invoker:  IDBOpenDBRequest.onsuccess
    Invoker Type: event-listener
    Window attribution: self
    Source char position: -1

    Blocking duration Work durationRender durationPreLayout DurationStyle And Layout Duration
    370 ms420.7 ms0.3 ms0.1 ms0.2 ms
    https://static-basket-01.wbbasket.ru/vol0/j/spa/index.min.3ef8139d61468dff.js

    Invoker:  IDBOpenDBRequest.onsuccess
    Invoker Type: event-listener
    Window attribution: self
    Source char position: -1

    Blocking duration Work durationRender durationPreLayout DurationStyle And Layout Duration
    208 ms258 ms0 ms0 ms0 ms
    No availible script information.
    Blocking duration Work durationRender durationPreLayout DurationStyle And Layout Duration
    37 ms1.891 s82.5 ms0.1 ms82.4 ms
    No availible script information.
    Blocking duration Work durationRender durationPreLayout DurationStyle And Layout Duration
    20 ms70 ms0 ms0 ms0 ms
    https://static-basket-01.wbbasket.ru/vol0/j/spa/index.min.3ef8139d61468dff.js

    Invoker:  https://static-basket-01.wbbasket.ru/vol0/j/spa/index.min.3ef8139d61468dff.js
    Invoker Type: classic-script
    Window attribution: self

    Blocking duration Work durationRender durationPreLayout DurationStyle And Layout Duration
    0 ms51.8 ms0.2 ms0 ms0.2 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

    namevalue
    AudioHandlers0
    AudioWorkletProcessors0
    Documents17
    Frames17
    JSEventListeners101
    LayoutObjects1018
    MediaKeySessions0
    MediaKeys0
    Nodes2578
    Resources33
    ContextLifecycleStateObservers18
    V8PerContextDatas1
    WorkerGlobalScopes0
    UACSSResources0
    RTCPeerConnections0
    ResourceFetchers17
    AdSubframes0
    DetachedScriptStates0
    ArrayBufferContents0
    LayoutCount6
    RecalcStyleCount13
    LayoutDuration36
    RecalcStyleDuration50
    DevToolsCommandDuration60
    ScriptDuration154
    V8CompileDuration1
    TaskDuration11830
    TaskOtherDuration11530
    ThreadTime13
    ProcessTime24
    JSHeapUsedSize6672184
    JSHeapTotalSize12615680
    FirstMeaningfulPaint2766
    | Summary  | Largest responses  | Requests and sizes per content type  | Data per domain | Expires and last modified statistics  | Requests loaded after onLoad event  | Render blocking requests  | 

    PageXray

    How the page is built.

    Summary
    HTTP versionHTTP/2.0
    Total requests38
    Total domains6
    Total transfer size2.8 MB
    Total content size18.7 MB
    Responses missing compression21
    Number of cookies0
    Third party cookies0
    Requests per response code
    20038

    Largest assets on the page (by transfer size)

    Requests and sizes per content type

    ContentHeader SizeTransfer SizeContent SizeRequests
    html0 b11.4 KB49.4 KB1
    css0 b169.7 KB784.5 KB3
    javascript421 B205.6 KB784.3 KB7
    image0 b47.2 KB46.6 KB3
    svg0 b16.8 KB79.4 KB2
    plain716 B322 B32 B6
    json0 b2.3 MB17.0 MB15
    favicon0 b15.6 KB15.0 KB1
    Total1.1 KB2.8 MB18.7 MB38

    Data per domain

    DomainTotal download timeTransfer SizeContent SizeRequests
    www.wildberries.ru4.725 s47.1 KB83.6 KB7
    static-basket-01.wbbasket.ru143.408 s2.7 MB18.5 MB23
    a.wb.ru5.053 s2.1 KB5.8 KB5
    static-basket-01.wb.ru1.665 s390 B195 B1
    user-geo-data.wildberries.ru1.799 s603 B355 B1
    banners-website.wildberries.ru1.659 s10.6 KB130.7 KB1

    Expires and last modified statistics

    typeminmedianmax
    Expires0 seconds0 seconds1 day
    Last modified3 minutes3 days42 weeks

    Requests loaded after onLoad event

    Included requests done after load event end.

    ContentTransfer SizeRequests
    html0 b0
    css0 b0
    javascript0 b0
    image16.7 KB1
    font0 b0
    json947 B1
    svg1.3 KB1
    favicon15.6 KB1
    Total34.4 KB4

    Requests loaded after onContentLoad

    Includes requests done after DOM content loaded.

    ContentTransfer SizeRequests
    html0 b0
    css5.7 KB1
    javascript19.9 KB2
    image16.7 KB1
    font0 b0
    json2.3 MB14
    plain161 B5
    svg1.3 KB1
    favicon15.6 KB1
    Total2.4 MB25

    Render blocking requests

    Render blocking information directly from Chrome.

    BlockingIn body parser blockingPotentially blocking
    240

    Render information

    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.

    Long Tasks

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

    TypeQuantityTotal duration (ms)
    Total Blocking Time 1858
    Max Potential First Input Delay 1518
    Long Tasks before First Paint182
    Long Tasks before First Contentful Paint182
    Long Tasks before Largest Contentful Paint42090
    Long Tasks after Load Event End00
    Total Long Tasks42090

    CPU last long task happened at 31.099 s

    Individual Long Tasks

    namestartTimedurationcontainerIdcontainerNamecontainerSrccontainerType
    unknown266982window
    self361770window
    self4711420window
    self310991518window

    CPU time spent

    Calculated using Tracium.

    Categories (ms)
    parseHTML26
    styleLayout1038
    paintCompositeRender1427
    scriptParseCompile1
    scriptEvaluation2161
    garbageCollection110
    other6498
    Events (ms)
    RunTask4652
    RunMicrotasks1986
    Paint856
    PrePaint777
    UpdateLayoutTree777
    Commit483
    Layerize474
    PaintImage456
    Layout254
    v8.run108
    IntersectionObserverController::computeIntersections80
    UpdateLayer69
    FunctionCall44
    V8.GC_SCAVENGER_SCAVENGE_PARALLEL28
    V8.GC_MARK_COMPACTOR20
    ParseHTML19
    V8.GC_MC_INCREMENTAL17
    URLLoader::Context::OnReceivedResponse12

    Time spent per request

    URLCPU time (ms)
    https://static-basket-01.wbbasket.ru/vol0/j/spa/index.min.3ef8139d61468dff.js100
    https://static-basket-01.wbbasket.ru/vol0/r/route-data-ru.10.0.42.1.js50
    https://static-basket-01.wbbasket.ru/vol0/j/app.min.ad19a657450fb2cc.js24
    https://a.wb.ru/sdk/sdk.js21

    CPU time spent

    Tool/domainTime (ms)
    static-basket-01.wbbasket.ru173.8
    a.wb.ru20.6
    | Categories | | First vs third | 

    Third party

    Third party requests categorised by Third party web version 0.24.0.

    CategoryRequests
    CategoryNumber 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.

    static-basket-01.wbbasket.ru
    a.wb.ru
    static-basket-01.wb.ru

    First party requests and sizes per content type

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

    ContentHeader SizeTransfer SizeContent SizeRequests
    html0 b11.4 KB49.4 KB1
    css0 b0 b0 b0
    javascript0 b0 b0 b0
    image0 b16.7 KB16.1 KB1
    font0 b0 b0 b0
    json0 b13.4 KB132.6 KB5
    svg0 b1.3 KB1.5 KB1
    favicon0 b15.6 KB15.0 KB1
    TotalN/A58.3 KB214.7 KB9

    Third party requests and sizes per content type

    ContentHeader SizeTransfer SizeContent SizeRequests
    html0 b0 b0 b0
    css0 b169.7 KB784.5 KB3
    javascript421 B205.6 KB784.3 KB7
    image0 b30.6 KB30.5 KB2
    font0 b0 b0 b0
    svg0 b15.6 KB77.9 KB1
    plain716 B322 B32 B6
    json0 b2.3 MB16.9 MB10
    Total1.1 KB2.7 MB18.5 MB29
    afterPageCompleteCheck.png | layoutShift.png | largestContentfulPaint.png | 

    Screenshots

    afterPageCompleteCheck.png

    afterPageCompleteCheck.png

    layoutShift.png

    layoutShift.png

    largestContentfulPaint.png

    largestContentfulPaint.png

    Axe

    Axe is an accessibility testing engine for websites and other HTML-based user interfaces. Tested using axe-core version 4.10.0. 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-nameEnsure 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's default semantics were not overridden with role="none" or role="presentation"
    • <button class="nav-icon__geo j-geocity-link j-wba-header-item" data-wba-header-name="DLV_Adress" type="button"></button>
    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-contrastEnsure 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 3.28 (foreground color: #868695, background color: #f4f5f7, font size: 9.0pt (12px), font weight: normal). Expected contrast ratio of 4.5:1
    • <span>© Wildberries 2004–2024.<span> Все права защищены.</span></span>
    • <span> Все права защищены.</span>
    • <span>Применяются <a href="/services/pravila-primeneniya-rekomendatelnyh-tehnologiy" class="footer__link">рекомендательные технологии</a></span>
    • <a href="/services/pravila-primeneniya-rekomendatelnyh-tehnologiy" class="footer__link">рекомендательные технологии</a>
    Documents must have <title> element to aid in navigation (cat.text-alternatives,wcag2a,wcag242,TTv5,TT12.a,EN-301-549,EN-9.2.4.2,ACT) - document-titleEnsure each HTML document contains a non-empty <title> element
    Fix any of the following: Document does not have a non-empty <title> element
    • <html lang="ru" translate="no" class="adaptive" style="--custom-promo-filter-color: #FFFFFF; --custom-promo-filter-background: #FF01E2; --custom-promo-filter-switch-color: #FF9954; --custom-promo-filter-switch-background: #FFFFFF;">
    moderate
    Page should contain a level-one heading (cat.semantics,best-practice) - page-has-heading-oneEnsure that the page, or at least one of its frames contains a level-one heading
    Fix all of the following: Page must have a level-one heading
    • <html lang="ru" translate="no" class="adaptive" style="--custom-promo-filter-color: #FFFFFF; --custom-promo-filter-background: #FF01E2; --custom-promo-filter-switch-color: #FF9954; --custom-promo-filter-switch-background: #FFFFFF;">
    All page content should be contained by landmarks (cat.keyboard,best-practice) - regionEnsure all page content is contained by landmarks
    Fix any of the following: Some page content is not contained by landmarks
    • <input class="menu-burger__btn-search j-search-input-mobile" type="search" placeholder="Найти на Wildberries">
    • <div class="menu-burger__main j-menu-burger-main">
    • <a class="navbar-mobile__link" data-wba-header-name="Main_tabbar" data-link-type="home" href="/" aria-label="Главная страница">
    • <a class="navbar-mobile__link" data-wba-header-name="Cart_tabbar" href="/lk/basket" aria-label="Корзина">
    • <a class="navbar-mobile__link" data-wba-header-name="Favorites_tabbar" href="lk/favorites" aria-label="Избранные товары" data-link="{on 'click' ~showPopupLoginMobile}" data-jsv="#12^/12^">
    • <a class="navbar-mobile__link" data-wba-header-name="LK_tabbar" href="/lk" aria-label="Личный кабинет" data-link="{on 'click' ~showPopupLoginMobile}" data-jsv="#14^/14^">
    • <p class="cookies__text">Мы используем <a href="/services/politika-obrabotki-personalnyh-dannyh" target="_blank" data-link="{on cookies}" class="cookies__link" data-jsv="#5^/5^">cookies</a>, чтобы сохранять ваш поиск, рекомендовать<br> полезное и&nbsp;создавать другие удобства на&nbsp;сайте</p>