Run 3 summary

Summary

Metric	Value
Page metrics
Performance score	57
Total page size	2.1 MB
Requests	122
Timing metrics
TTFB	779 ms
First Paint	2.320 s
Fully Loaded	22.311 s
Google Web Vitals
TTFB	779 ms
First Contentful Paint (FCP)	2.320 s
Largest Contentful Paint (LCP)	10.176 s
Cumulative Layout Shift (CLS)	0.53
Total Blocking Time	1.195 s
Max Potential FID	805 ms
CPU metrics
CPU long tasks	4
CPU last long task happens at	16.919 s
Visual Metrics
First Visual Change	2.333 s
Speed Index	12.876 s
Visual Complete 85%	17.466 s
Visual Complete 99%	17.466 s
Last Visual Change	17.466 s

Waterfall

Filmstrip

Use--filmstrip.showAll to show all filmstrips.

0 s

2.4 sFirst Contentful Paint 2.320 sFirst Visual Change 2.333 s

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4.6 sCPU Long Task duration 62 ms

4.7 sDOM Content Loaded Time 4.636 s

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6.5 sCPU Long Task duration 805 ms

7.3 sLayout Shift 0.00569 7.268 s

7.4 sLayout Shift 0.01716 7.383 s

7.6 sCPU Long Task duration 53 ms

7.9 sLayout Shift 0.00011 7.868 sLayout Shift 0.00018 7.883 sLayout Shift 0.00027 7.899 s

8 sLayout Shift 0.00037 7.916 sLayout Shift 0.00048 7.933 sLayout Shift 0.00060 7.949 sLayout Shift 0.00075 7.967 sLayout Shift 0.00089 7.983 sLayout Shift 0.00105 7.999 s

8.1 sLayout Shift 0.00123 8.019 sLayout Shift 0.00142 8.033 sLayout Shift 0.00162 8.050 sLayout Shift 0.00184 8.067 sLayout Shift 0.00207 8.083 sLayout Shift 0.00230 8.100 s

8.2 sLayout Shift 0.00256 8.120 sLayout Shift 0.00281 8.133 sLayout Shift 0.00307 8.149 sLayout Shift 0.00334 8.166 sLayout Shift 0.00362 8.187 s

8.3 sLayout Shift 0.00387 8.202 sLayout Shift 0.00401 8.217 sLayout Shift 0.00406 8.233 sLayout Shift 0.00407 8.251 sLayout Shift 0.00409 8.266 sLayout Shift 0.00413 8.283 sLayout Shift 0.00412 8.299 s

8.4 sLayout Shift 0.00412 8.317 sLayout Shift 0.00413 8.333 sLayout Shift 0.00409 8.350 sLayout Shift 0.00407 8.366 sLayout Shift 0.00404 8.384 sLayout Shift 0.00401 8.399 s

8.5 sLayout Shift 0.00391 8.416 sLayout Shift 0.00363 8.433 sLayout Shift 0.00335 8.450 sLayout Shift 0.00309 8.466 sLayout Shift 0.00282 8.483 sLayout Shift 0.00257 8.500 s

8.6 sLayout Shift 0.00232 8.517 sLayout Shift 0.00208 8.534 sLayout Shift 0.00185 8.550 sLayout Shift 0.00163 8.566 sLayout Shift 0.00144 8.583 sLayout Shift 0.00124 8.599 s

8.7 sLayout Shift 0.00106 8.617 sLayout Shift 0.00090 8.633 sLayout Shift 0.00076 8.650 sLayout Shift 0.00061 8.666 sLayout Shift 0.00049 8.684 sLayout Shift 0.00038 8.700 s

8.8 sLayout Shift 0.00028 8.716 sLayout Shift 0.00019 8.733 sLayout Shift 0.00011 8.750 s

9 sLayout Shift 0.20244 8.984 s

9.1 s

9.4 sLayout Shift 0.00008 9.366 sLayout Shift 0.00013 9.383 sLayout Shift 0.00020 9.400 s

9.5 sLayout Shift 0.00027 9.417 sLayout Shift 0.00035 9.433 sLayout Shift 0.00044 9.450 sLayout Shift 0.00054 9.467 sLayout Shift 0.00066 9.483 sLayout Shift 0.00078 9.500 s

9.6 sLayout Shift 0.00091 9.517 sLayout Shift 0.00105 9.533 sLayout Shift 0.00120 9.550 sLayout Shift 0.00136 9.566 sLayout Shift 0.00153 9.585 sLayout Shift 0.00170 9.600 s

9.7 sLayout Shift 0.00189 9.617 sLayout Shift 0.00206 9.634 sLayout Shift 0.00227 9.649 sLayout Shift 0.00246 9.666 sLayout Shift 0.00267 9.683 sLayout Shift 0.00286 9.699 s

9.8 sLayout Shift 0.00296 9.736 sLayout Shift 0.00300 9.740 sLayout Shift 0.00301 9.751 sLayout Shift 0.00302 9.766 sLayout Shift 0.00305 9.785 sLayout Shift 0.00304 9.800 s

9.9 sLayout Shift 0.00304 9.817 sLayout Shift 0.00305 9.833 sLayout Shift 0.00302 9.850 sLayout Shift 0.00301 9.867 sLayout Shift 0.00299 9.899 s

10 sLayout Shift 0.00296 9.901 sLayout Shift 0.00289 9.916 sLayout Shift 0.00268 9.933 sLayout Shift 0.00248 9.950 sLayout Shift 0.00228 9.967 sLayout Shift 0.00208 9.984 sLayout Shift 0.00190 9.999 s

10.1 sLayout Shift 0.00171 10.016 sLayout Shift 0.00154 10.033 sLayout Shift 0.00137 10.060 sLayout Shift 0.00121 10.066 sLayout Shift 0.00106 10.083 sLayout Shift 0.00092 10.100 s

10.2 sLayout Shift 0.00078 10.116 sLayout Shift 0.00067 10.133 sLayout Shift 0.00056 10.150 sLayout Shift 0.00045 10.166 sLCP <IMG> 10.176 sLayout Shift 0.00036 10.183 sLayout Shift 0.00028 10.200 s

10.3 sLayout Shift 0.00021 10.216 sLayout Shift 0.00014 10.233 sLayout Shift 0.00008 10.250 s

10.9 sLayout Shift 0.00008 10.866 sLayout Shift 0.00013 10.883 sLayout Shift 0.00020 10.900 s

11 sLayout Shift 0.00027 10.916 sLayout Shift 0.00035 10.933 sLayout Shift 0.00044 10.950 sLayout Shift 0.00054 10.967 sLayout Shift 0.00066 10.983 sLayout Shift 0.00078 10.999 s

11.1 sLayout Shift 0.00091 11.017 sLayout Shift 0.00105 11.033 sLayout Shift 0.00120 11.050 sLayout Shift 0.00136 11.066 sLayout Shift 0.00153 11.083 sLayout Shift 0.00170 11.099 s

11.2 sLayout Shift 0.00189 11.116 sLayout Shift 0.00206 11.133 sLayout Shift 0.00227 11.149 sLayout Shift 0.00247 11.167 sLayout Shift 0.00267 11.183 sLayout Shift 0.00286 11.199 s

11.3 sLayout Shift 0.00296 11.216 sLayout Shift 0.00300 11.233 sLayout Shift 0.00300 11.250 sLayout Shift 0.00303 11.266 sLayout Shift 0.00304 11.283 sLayout Shift 0.00305 11.299 s

11.4 sLayout Shift 0.00305 11.316 sLayout Shift 0.00305 11.333 sLayout Shift 0.00303 11.350 sLayout Shift 0.00301 11.366 sLayout Shift 0.00299 11.383 sLayout Shift 0.00296 11.399 s

11.5 sLayout Shift 0.00289 11.416 sLayout Shift 0.00268 11.433 sLayout Shift 0.00248 11.450 sLayout Shift 0.00228 11.466 sLayout Shift 0.02639 11.483 sLayout Shift 0.00190 11.499 s

11.6 s

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12.4 sPage Load Time 12.320 s

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13 s

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16 s

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17 sCPU Long Task duration 475 ms

17.5 sLast Visual Change 17.466 sVisual Complete 85% 17.466 sVisual Complete 95% 17.466 sVisual Complete 99% 17.466 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 68
• Performance score 57
• Privacy score 93
• Best practice score 59

Performance advice (57)

Show/hide details

Title	Advice	Score
Avoid slowing down the critical rendering path (avoidRenderBlocking)	The page has 1 blocking requests and 4 in body parser blocking (4 JavaScript and 1 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/vol2/site/j/app.7c55f47880e103d84bab.js https://static-basket-01.wbbasket.ru/vol2/site/j/lang/ru.d95fa4e9f237e3245a9d.js https://static-basket-01.wbbasket.ru/vol2/site/j/spa/index.1701211d7398bd04b3eb.js https://static-basket-01.wbbasket.ru/vol2/site/r/route-data.11-19-1.3cc7546a.js
Don't scale images in the browser (avoidScalingImages)	The page has 14 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.	0
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://static-basket-01.wbbasket.ru/vol1/crm-bnrs/poster/ru/bignew/992x413/992_413_vygodka.webp https://static-basket-01.wbbasket.ru/vol1/crm-bnrs/poster/ru/bignew/992x413/992.webp https://static-basket-01.wbbasket.ru/vol1/crm-bnrs/poster/ru/bignew/992x413/992_413.webp https://static-basket-01.wbbasket.ru/vol1/crm-bnrs/poster/ru/bignew/992x413/992_413_vygodka.webp https://basket-15.wbbasket.ru/vol2212/part221243/221243814/images/c516x688/1.webp https://basket-15.wbbasket.ru/vol2212/part221243/221243815/images/c516x688/1.webp https://basket-15.wbbasket.ru/vol2342/part234242/234242143/images/c516x688/1.webp https://basket-10.wbbasket.ru/vol1499/part149999/149999936/images/c516x688/1.webp https://basket-07.wbbasket.ru/vol1102/part110216/110216290/images/c516x688/1.webp https://basket-14.wbbasket.ru/vol2067/part206741/206741815/images/c516x688/1.webp https://basket-04.wbbasket.ru/vol704/part70453/70453148/images/c516x688/1.webp https://basket-04.wbbasket.ru/vol680/part68016/68016977/images/c516x688/1.webp https://basket-06.wbbasket.ru/vol1050/part105055/105055126/images/c516x688/1.webp https://basket-04.wbbasket.ru/vol480/part48058/48058978/images/c516x688/1.webp
Have a fast first contentful paint (firstContentfulPaint)	First contentful paint can be improved (2.320 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 10.176 s. It is in the Google Web Vitals poor range, slower than 4.5 seconds. You can add fetchPriority="high" to the image to increase the load priority in Chrome.	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/vol1/crm-bnrs/poster/ru/bignew/992x413/992_413_vygodka.webp
Avoid CPU Long Tasks (longTasks)	The page has 4 CPU long tasks with the total of 1.395 s. The total blocking time is 1.195 s . 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: self self self unknown
Avoid Frontend single point of failures (spof)	The page has 3 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/vol2/site/s/desktop/style/views/spa/main-v3...cf2550f6bd9b5.css https://static-basket-01.wbbasket.ru/vol2/site/app/modal.fc7ba38625439b48a976.css https://static-basket-01.wbbasket.ru/vol2/site/app/generalPreloader.afe2ccfd4a81a33f9c85.css
Avoid extra requests by setting cache headers (cacheHeaders)	The page has 79 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 1.6 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/vol2/site/f/als-hauss-vf.woff2 https://static-basket-01.wbbasket.ru/vol2/site/s/desktop/style/views/spa/main-v3...cf2550f6bd9b5.css https://static-basket-01.wbbasket.ru/vol2/site/j/app.7c55f47880e103d84bab.js https://static-basket-01.wbbasket.ru/vol2/site/j/lang/ru.d95fa4e9f237e3245a9d.js https://static-basket-01.wbbasket.ru/vol2/site/j/spa/index.1701211d7398bd04b3eb.js https://static-basket-01.wbbasket.ru/vol2/site/r/route-data.11-19-1.3cc7546a.js https://static-basket-01.wbbasket.ru/vol2/site/i/v3/header/background_turbonadduv_skidok.webp https://static-basket-01.wbbasket.ru/vol2/site/t/jst/cookies.6dfe33e4.json https://static-basket-01.wbbasket.ru/vol1/global-payment/default-payment.json https://static-basket-01.wbbasket.ru/vol2/site/j/spa/services/orderService.46b8a784966c73738c45.js https://static-basket-01.wbbasket.ru/vol2/site/j/spa/services/wbxOrderService.1a...0edef77e60cf16.js https://static-basket-01.wbbasket.ru/vol2/site/t/jst/menuLk.c68c237c.json https://static-basket-01.wbbasket.ru/vol0/data/stores-data.json https://static-basket-01.wbbasket.ru/vol0/data/promotion-creatives.json.hash https://static-basket-01.wbbasket.ru/vol2/site/j/spa/modules/userInfo/userInfoRe...77394b2b922f93.js https://static-basket-01.wbbasket.ru/vol0/data/promotion-creatives.json https://static-basket-01.wbbasket.ru/vol2/site/t/jst/mobileMenuTemp.42883d4f.json https://static-basket-01.wbbasket.ru/vol2/site/t/jst/footer.413388ce.json https://static-basket-01.wbbasket.ru/vol2/site/j/spa/modules/searchInput/suggest...4925c66d180c76.js https://static-basket-01.wbbasket.ru/vol2/site/j/swiper.3f1f360c9d33874fe5c5.js https://static-basket-01.wbbasket.ru/vol2/site/t/jst/onlineChatPopup.0b17d52e.json https://static-basket-01.wbbasket.ru/vol2/site/s/desktop/style/modules/popups/ch...a76daa46aa1d8.css https://static-basket-01.wbbasket.ru/vol2/site/j/spa/modules/onlineChat/onlineCh...dff1c0ad16fdff.js https://static-basket-01.wbbasket.ru/vol2/site/t/jst/spahome.a5bf1784.json https://static-basket-01.wbbasket.ru/vol2/site/s/desktop/style/views/site/main-p...5f8e97eb6083c.css https://static-basket-01.wbbasket.ru/vol2/site/j/spa/customTags/banners.473830efc3430176d1b8.js https://static-basket-01.wbbasket.ru/vol2/site/j/spa/customTags/lazyBlockLoader....90a678955c61ae.js https://static-basket-01.wbbasket.ru/vol2/site/j/spa/customTags/spa.tooltip.d1551932ebb94b589950.js https://static-basket-01.wbbasket.ru/vol2/site/j/spa/customTags/spa.shortDeliver...9f53140a4c37eb.js https://static-basket-01.wbbasket.ru/vol2/site/j/spa/models/home.f3cc3fe2a38422a1c48f.js https://user-geo-data.wildberries.ru/get-geo-info...s.ru/get-geo-info https://static-basket-01.wbbasket.ru/vol2/site/t/jst/uploadImageForSearchByImagePopUp.29d85a1d.json https://static-basket-01.wbbasket.ru/vol2/site/s/spa/modules/uploadImageForSearc...ae50b44a28588.css https://static-basket-01.wbbasket.ru/vol2/site/t/jst/onlineChat.2c163d71.json https://static-basket-01.wbbasket.ru/vol2/site/s/desktop/style/modules/popups/ch...1d6fe85ff2d74.css https://static-basket-01.wbbasket.ru/vol2/site/t/jst/catalogCard.01942f86.json https://static-basket-01.wbbasket.ru/vol2/site/t/jst/catalogCore.239e7083.json https://www.wildberries.ru/webapi/api/home/seo https://banners-website.wildberries.ru/public/v2/banners...public/v2/banners https://static-basket-01.wbbasket.ru/vol2/site/app/modal.fc7ba38625439b48a976.css https://static-basket-01.wbbasket.ru/vol2/site/app/generalPreloader.afe2ccfd4a81a33f9c85.css https://static-basket-01.wbbasket.ru/vol0/data/main-menu-ru-ru-v3.json https://static-basket-01.wbbasket.ru/vol2/site/t/jst/menuTopTmpl.dac4c2eb.json https://www.wildberries.ru/webapi/api/home/seo https://static-basket-01.wbbasket.ru/vol2/site/j/spa/modules/uploadImageForSearc...f1750e244e0f41.js https://static-basket-01.wbbasket.ru/vol2/site/j/spa/customTags/spa.contextMenu....696f23cf02cb02.js https://static-basket-01.wbbasket.ru/vol2/site/j/spa/modules/onlineChat/onlineCh...6710e52111c3f1.js https://static-basket-01.wbbasket.ru/vol2/site/j/spa/modules/catalog/xCatalogDat...9225087d762e56.js https://static-basket-01.wbbasket.ru/vol2/site/j/spa/modules/catalog_v2/provider...b3013822024ea4.js https://catalog.wb.ru/menu/v11/api?locale=ru&lang=ru&id=131289&collapse&dest=-1255987 https://static-basket-01.wbbasket.ru/vol2/site/j/spa/customTags/spa.searchTags.c...ec4113398294c9.js https://static-basket-01.wbbasket.ru/vol2/site/j/spa/modules/catalog_v2/goodsCat...77f6a7c4685b72.js https://static-basket-01.wbbasket.ru/vol2/site/app/mo-icons.02d8c937f3a6935d28a6.js https://static-basket-01.wbbasket.ru/vol2/site/app/react-vendors.4463b5fe473e03f21749.js https://static-basket-01.wbbasket.ru/vol2/site/app/mo-ui.38343c4bc6cf2fb98261.js https://static-basket-01.wbbasket.ru/vol2/site/app/modal-component.cbf72fa21382bccf9534.js https://static-basket-01.wbbasket.ru/vol2/site/app/generalPreloader-component.b1...749655f40cf947.js https://static-basket-01.wbbasket.ru/vol2/site/app/14627.eb35aeacc24e8988fd4a.js https://static-basket-01.wbbasket.ru/vol2/site/i/blank.gif https://static-basket-01.wbbasket.ru/vol2/site/app/54124.6bdf3ca3c2d6925c2a36.js https://static-basket-01.wbbasket.ru/vol2/site/app/react-app.7b54ed34cfd16c8b12f1.js https://static-basket-01.wbbasket.ru/vol2/site/j/spa/services/storageService.d48ea0304cacc65db21a.js https://static-basket-01.wbbasket.ru/vol2/site/j/spa/services/parseToken/parseTo...378e54035cf6d6.js https://static-basket-01.wbbasket.ru/vol1/crm-bnrs/poster/ru/bignew/992x413/992_413_vygodka.webp https://cdn.wbbasket.ru/api/v3/upstreams?t=1743643106279 https://static-basket-01.wbbasket.ru/vol1/crm-bnrs/poster/ru/bignew/992x413/992_413.webp https://pow.wildberries.ru/api/v1/js-settings https://chat-prod.wildberries.ru/api/support/v1/unauth/messages https://static-basket-01.wbbasket.ru/vol1/crm-bnrs/poster/ru/bignew/992x413/v_2_1_992wb.webp https://www.wildberries.ru/manifestv2.json https://www.wildberries.ru/icon.svg https://static-basket-01.wbbasket.ru/vol2/site/j/performanceAnalytics.4cfa36b69cf0f16d3cc4.js https://www.wildberries.ru/favicon.ico https://www.wildberries.ru/android-icon-144x144.png https://recom.wb.ru/personal/ru/common/v5/search.../common/v5/search https://recom.wb.ru/personal/ru/common/v5/search.../common/v5/search https://static-basket-01.wbbasket.ru/vol2/site/j/spa/modules/lazyBlockLoader.c66511f48cf5a64f33e7.js https://static-basket-01.wbbasket.ru/vol0/data/all-poo-v10.json.hash https://static-basket-01.wbbasket.ru/vol0/data/all-poo-fr-v10.json
Long cache headers is good (cacheHeadersLong)	The page has 13 requests that have a shorter cache time than 30 days (but still a cache time).	87
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 https://pow.wildberries.ru/scripts/d.js?7eec71a7 https://pow.wildberries.ru/scripts/wasm_exec.js?5c7aa861 https://pow.wildberries.ru/scripts/solve.wasm?7b450d09 https://basket-15.wbbasket.ru/vol2212/part221243/221243814/images/c516x688/1.webp https://basket-15.wbbasket.ru/vol2212/part221243/221243815/images/c516x688/1.webp https://basket-15.wbbasket.ru/vol2342/part234242/234242143/images/c516x688/1.webp https://basket-10.wbbasket.ru/vol1499/part149999/149999936/images/c516x688/1.webp https://basket-07.wbbasket.ru/vol1102/part110216/110216290/images/c516x688/1.webp https://basket-14.wbbasket.ru/vol2067/part206741/206741815/images/c516x688/1.webp https://basket-04.wbbasket.ru/vol704/part70453/70453148/images/c516x688/1.webp https://basket-04.wbbasket.ru/vol680/part68016/68016977/images/c516x688/1.webp https://basket-04.wbbasket.ru/vol480/part48058/48058978/images/c516x688/1.webp
Always compress text content (compressAssets)	The page has 1 request that are served uncompressed. You could save a lot of bytes by sending them compressed instead.	90
Description: In the early days of the Internet there were browsers that didn't support compressing (gzipping) text content. They do now. Make sure you compress HTML, JSON, JavaScript, CSS and SVG. It will save bytes for the user; making the page load faster and use less bandwith.
Offenders: URL Transfer size Content size https://cdn.wbbasket.ru/api/v3/upstreams?t=1743643106279 10.9 KB 10.7 KB
Total CSS size shouldn't be too big (cssSize)	The total CSS transfer size is 105.2 kB and uncompressed size is 702.8 kB. That is big and the CSS could most probably be smaller.	50
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-basket-01.wbbasket.ru/vol2/site/s/desktop/style/views/spa/main-v3...cf2550f6bd9b5.css 81.8 KB 543.2 KB https://static-basket-01.wbbasket.ru/vol2/site/s/desktop/style/modules/popups/ch...a76daa46aa1d8.css 10.4 KB 76.9 KB https://static-basket-01.wbbasket.ru/vol2/site/s/desktop/style/views/site/main-p...5f8e97eb6083c.css 6.1 KB 45.1 KB https://static-basket-01.wbbasket.ru/vol2/site/s/spa/modules/uploadImageForSearc...ae50b44a28588.css 1.1 KB 4.6 KB https://static-basket-01.wbbasket.ru/vol2/site/s/desktop/style/modules/popups/ch...1d6fe85ff2d74.css 1.7 KB 9.0 KB https://static-basket-01.wbbasket.ru/vol2/site/app/modal.fc7ba38625439b48a976.css 641 B 1.5 KB https://static-basket-01.wbbasket.ru/vol2/site/app/generalPreloader.afe2ccfd4a81a33f9c85.css 917 B 6.2 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 image size shouldn't be too big (imageSize)	The page total image size is 751 kB. 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/.	50
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 628.9 kB and the uncompressed size is 2.4 MB. This is totally crazy! There is really room for improvement here.	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: URL Transfer size Content size https://static-basket-01.wbbasket.ru/vol2/site/j/app.7c55f47880e103d84bab.js 64.8 KB 190.5 KB https://static-basket-01.wbbasket.ru/vol2/site/j/lang/ru.d95fa4e9f237e3245a9d.js 86.0 KB 371.6 KB https://static-basket-01.wbbasket.ru/vol2/site/j/spa/index.1701211d7398bd04b3eb.js 145.5 KB 569.7 KB https://static-basket-01.wbbasket.ru/vol2/site/r/route-data.11-19-1.3cc7546a.js 16.9 KB 81.2 KB https://a.wb.ru/sdk/sdk.js 2.1 KB 5.8 KB https://static-basket-01.wbbasket.ru/vol2/site/j/spa/services/orderService.46b8a784966c73738c45.js 11.3 KB 35.4 KB https://static-basket-01.wbbasket.ru/vol2/site/j/spa/services/wbxOrderService.1a...0edef77e60cf16.js 13.9 KB 44.8 KB https://static-basket-01.wbbasket.ru/vol2/site/j/spa/modules/userInfo/userInfoRe...77394b2b922f93.js 1.3 KB 4.6 KB https://static-basket-01.wbbasket.ru/vol2/site/j/spa/modules/searchInput/suggest...4925c66d180c76.js 1.6 KB 3.9 KB https://static-basket-01.wbbasket.ru/vol2/site/j/swiper.3f1f360c9d33874fe5c5.js 26.7 KB 103.4 KB https://static-basket-01.wbbasket.ru/vol2/site/j/spa/modules/onlineChat/onlineCh...dff1c0ad16fdff.js 12.1 KB 39.4 KB https://static-basket-01.wbbasket.ru/vol2/site/j/spa/customTags/banners.473830efc3430176d1b8.js 9.8 KB 41.1 KB https://static-basket-01.wbbasket.ru/vol2/site/j/spa/customTags/lazyBlockLoader....90a678955c61ae.js 489 B 780 B https://static-basket-01.wbbasket.ru/vol2/site/j/spa/customTags/spa.tooltip.d1551932ebb94b589950.js 2.6 KB 9.1 KB https://static-basket-01.wbbasket.ru/vol2/site/j/spa/customTags/spa.shortDeliver...9f53140a4c37eb.js 1.8 KB 7.4 KB https://static-basket-01.wbbasket.ru/vol2/site/j/spa/models/home.f3cc3fe2a38422a1c48f.js 12.7 KB 47.6 KB https://static-basket-01.wbbasket.ru/vol2/site/j/spa/modules/uploadImageForSearc...f1750e244e0f41.js 1.4 KB 5.3 KB https://static-basket-01.wbbasket.ru/vol2/site/j/spa/customTags/spa.contextMenu....696f23cf02cb02.js 720 B 1.5 KB https://static-basket-01.wbbasket.ru/vol2/site/j/spa/modules/onlineChat/onlineCh...6710e52111c3f1.js 9.0 KB 30.1 KB https://static-basket-01.wbbasket.ru/vol2/site/j/spa/modules/catalog/xCatalogDat...9225087d762e56.js 1.1 KB 4.0 KB https://static-basket-01.wbbasket.ru/vol2/site/j/spa/modules/catalog_v2/provider...b3013822024ea4.js 2.4 KB 7.6 KB https://static-basket-01.wbbasket.ru/vol2/site/j/spa/customTags/spa.searchTags.c...ec4113398294c9.js 535 B 766 B https://static-basket-01.wbbasket.ru/vol2/site/j/spa/modules/catalog_v2/goodsCat...77f6a7c4685b72.js 25.5 KB 131.2 KB https://static-basket-01.wbbasket.ru/vol2/site/app/mo-icons.02d8c937f3a6935d28a6.js 7.9 KB 27.0 KB https://static-basket-01.wbbasket.ru/vol2/site/app/react-vendors.4463b5fe473e03f21749.js 40.6 KB 132.9 KB https://static-basket-01.wbbasket.ru/vol2/site/app/mo-ui.38343c4bc6cf2fb98261.js 18.3 KB 137.8 KB https://static-basket-01.wbbasket.ru/vol2/site/app/modal-component.cbf72fa21382bccf9534.js 1.4 KB 2.7 KB https://static-basket-01.wbbasket.ru/vol2/site/app/generalPreloader-component.b1...749655f40cf947.js 327 B 236 B https://static-basket-01.wbbasket.ru/vol2/site/app/14627.eb35aeacc24e8988fd4a.js 4.5 KB 11.9 KB https://static-basket-01.wbbasket.ru/vol2/site/app/54124.6bdf3ca3c2d6925c2a36.js 18.5 KB 53.1 KB https://static-basket-01.wbbasket.ru/vol2/site/app/react-app.7b54ed34cfd16c8b12f1.js 4.0 KB 10.9 KB https://static-basket-01.wbbasket.ru/vol2/site/j/spa/services/storageService.d48ea0304cacc65db21a.js 7.6 KB 25.8 KB https://static-basket-01.wbbasket.ru/vol2/site/j/spa/services/parseToken/parseTo...378e54035cf6d6.js 23.5 KB 75.5 KB https://pow.wildberries.ru/scripts/d.js?7eec71a7 23.8 KB 59.0 KB https://static-basket-01.wbbasket.ru/vol2/site/j/performanceAnalytics.4cfa36b69cf0f16d3cc4.js 6.4 KB 18.8 KB https://pow.wildberries.ru/scripts/wasm_exec.js?5c7aa861 6.0 KB 15.7 KB https://static-basket-01.wbbasket.ru/vol2/site/j/spa/modules/lazyBlockLoader.c66511f48cf5a64f33e7.js 1.0 KB 2.3 KB
Avoid using incorrect mime types (mimeTypes)	The page has 8 misconfigured mime types.	92
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://static-basket-01.wbbasket.ru/vol0/data/promotion-creatives.json.hash https://www.wildberries.ru/webapi/logging/jserror https://www.wildberries.ru/webapi/logging/jserror https://static-basket-01.wbbasket.ru/vol0/data/promotion-creatives.json https://www.wildberries.ru/webapi/stats/events https://pow.wildberries.ru/scripts/solve.wasm?7b450d09 https://www.wildberries.ru/webapi/logging/jserror https://www.wildberries.ru/webapi/stats/events
Make each CSS response small (optimalCssSize)	https://static-basket-01.wbbasket.ru/vol2/site/s/desktop/style/views/spa/main-v3.482c63ccf2550f6bd9b5.css size is 83.8 kB (83810) and that is bigger than the limit of 14.5 kB. Try to make the CSS files fit into 14.5 KB.	90
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-basket-01.wbbasket.ru/vol2/site/s/desktop/style/views/spa/main-v3...cf2550f6bd9b5.css 81.8 KB 543.2 KB
Total page size shouldn't be too big (pageSize)	The page total transfer size is 2.2 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: URL Transfer size Content size https://www.wildberries.ru/ 10.9 KB 33.3 KB https://static-basket-01.wbbasket.ru/vol2/site/f/als-hauss-vf.woff2 134.7 KB 134.4 KB https://static-basket-01.wbbasket.ru/vol2/site/s/desktop/style/views/spa/main-v3...cf2550f6bd9b5.css 81.8 KB 543.2 KB https://static-basket-01.wbbasket.ru/vol2/site/j/app.7c55f47880e103d84bab.js 64.8 KB 190.5 KB https://static-basket-01.wbbasket.ru/vol2/site/j/lang/ru.d95fa4e9f237e3245a9d.js 86.0 KB 371.6 KB https://static-basket-01.wbbasket.ru/vol2/site/j/spa/index.1701211d7398bd04b3eb.js 145.5 KB 569.7 KB https://static-basket-01.wbbasket.ru/vol2/site/r/route-data.11-19-1.3cc7546a.js 16.9 KB 81.2 KB https://static-basket-01.wbbasket.ru/vol2/site/i/v3/header/background_turbonadduv_skidok.webp 3.1 KB 3.1 KB https://static-basket-01.wbbasket.ru/vol2/site/t/jst/cookies.6dfe33e4.json 406 B 528 B https://a.wb.ru/sdk/sdk.js 2.1 KB 5.8 KB https://static-basket-01.wbbasket.ru/vol1/global-payment/default-payment.json 350 B 323 B https://static-basket-01.wbbasket.ru/vol2/site/j/spa/services/orderService.46b8a784966c73738c45.js 11.3 KB 35.4 KB https://static-basket-01.wbbasket.ru/vol2/site/j/spa/services/wbxOrderService.1a...0edef77e60cf16.js 13.9 KB 44.8 KB https://static-basket-01.wbbasket.ru/vol2/site/t/jst/menuLk.c68c237c.json 1.2 KB 7.6 KB https://static-basket-01.wbbasket.ru/vol0/data/promotion-creatives.json.hash 0 b 0 b https://static-basket-01.wbbasket.ru/vol0/data/stores-data.json 186.9 KB 4.6 MB https://www.wildberries.ru/webapi/logging/jserror N/A 0 b https://www.wildberries.ru/webapi/logging/jserror N/A 0 b https://static-basket-01.wbbasket.ru/vol0/data/promotion-creatives.json.hash 170 B 16 B https://static-basket-01.wbbasket.ru/vol2/site/j/spa/modules/userInfo/userInfoRe...77394b2b922f93.js 1.3 KB 4.6 KB https://static-basket-01.wbbasket.ru/vol0/data/promotion-creatives.json 0 b 0 b https://www.wildberries.ru/webapi/personalinfo 1.2 KB 627 B https://static-basket-01.wbbasket.ru/vol0/data/promotion-creatives.json 847 B 1.9 KB https://static-basket-01.wbbasket.ru/vol2/site/t/jst/mobileMenuTemp.42883d4f.json 653 B 2.2 KB https://static-basket-01.wbbasket.ru/vol2/site/t/jst/footer.413388ce.json 2.9 KB 18.0 KB https://static-basket-01.wbbasket.ru/vol2/site/j/spa/modules/searchInput/suggest...4925c66d180c76.js 1.6 KB 3.9 KB https://static-basket-01.wbbasket.ru/vol2/site/j/swiper.3f1f360c9d33874fe5c5.js 26.7 KB 103.4 KB https://static-basket-01.wbbasket.ru/vol2/site/t/jst/onlineChatPopup.0b17d52e.json 3.5 KB 16.6 KB https://static-basket-01.wbbasket.ru/vol2/site/s/desktop/style/modules/popups/ch...a76daa46aa1d8.css 10.4 KB 76.9 KB https://static-basket-01.wbbasket.ru/vol2/site/j/spa/modules/onlineChat/onlineCh...dff1c0ad16fdff.js 12.1 KB 39.4 KB https://static-basket-01.wbbasket.ru/vol2/site/t/jst/spahome.a5bf1784.json 2.3 KB 9.7 KB https://static-basket-01.wbbasket.ru/vol2/site/s/desktop/style/views/site/main-p...5f8e97eb6083c.css 6.1 KB 45.1 KB https://static-basket-01.wbbasket.ru/vol2/site/j/spa/customTags/banners.473830efc3430176d1b8.js 9.8 KB 41.1 KB https://static-basket-01.wbbasket.ru/vol2/site/j/spa/customTags/lazyBlockLoader....90a678955c61ae.js 489 B 780 B https://static-basket-01.wbbasket.ru/vol2/site/j/spa/customTags/spa.tooltip.d1551932ebb94b589950.js 2.6 KB 9.1 KB https://static-basket-01.wbbasket.ru/vol2/site/j/spa/customTags/spa.shortDeliver...9f53140a4c37eb.js 1.8 KB 7.4 KB https://static-basket-01.wbbasket.ru/vol2/site/j/spa/models/home.f3cc3fe2a38422a1c48f.js 12.7 KB 47.6 KB https://www.wildberries.ru/webapi/stats/pageview 665 B 38 B https://user-geo-data.wildberries.ru/get-geo-info...s.ru/get-geo-info 616 B 369 B https://a.wb.ru/e/user_id...a.wb.ru/e/user_id 0 b 0 b https://a.wb.ru/e/session_start...u/e/session_start 0 b 0 b https://a.wb.ru/e/Alert_S...a.wb.ru/e/Alert_S 0 b 0 b https://a.wb.ru/e/pageview....wb.ru/e/pageview 0 b 0 b https://static-basket-01.wbbasket.ru/vol2/site/t/jst/uploadImageForSearchByImagePopUp.29d85a1d.json 623 B 1.5 KB https://static-basket-01.wbbasket.ru/vol2/site/s/spa/modules/uploadImageForSearc...ae50b44a28588.css 1.1 KB 4.6 KB https://static-basket-01.wbbasket.ru/vol2/site/t/jst/onlineChat.2c163d71.json 4.0 KB 18.4 KB https://static-basket-01.wbbasket.ru/vol2/site/s/desktop/style/modules/popups/ch...1d6fe85ff2d74.css 1.7 KB 9.0 KB https://static-basket-01.wbbasket.ru/vol2/site/t/jst/catalogCard.01942f86.json 2.8 KB 9.8 KB https://static-basket-01.wbbasket.ru/vol2/site/t/jst/catalogCore.239e7083.json 4.3 KB 16.8 KB https://www.wildberries.ru/webapi/api/home/seo 3.3 KB 6.9 KB https://banners-website.wildberries.ru/public/v2/banners...public/v2/banners 9.7 KB 51.7 KB https://static-basket-01.wbbasket.ru/vol2/site/app/modal.fc7ba38625439b48a976.css 641 B 1.5 KB https://static-basket-01.wbbasket.ru/vol2/site/app/generalPreloader.afe2ccfd4a81a33f9c85.css 917 B 6.2 KB https://static-basket-01.wbbasket.ru/vol0/data/main-menu-ru-ru-v3.json 73.1 KB 493.5 KB https://static-basket-01.wbbasket.ru/vol2/site/t/jst/menuTopTmpl.dac4c2eb.json 1.5 KB 6.8 KB https://www.wildberries.ru/webapi/stats/pageview 665 B 38 B https://www.wildberries.ru/webapi/api/home/seo 3.3 KB 6.9 KB https://static-basket-01.wbbasket.ru/vol2/site/j/spa/modules/uploadImageForSearc...f1750e244e0f41.js 1.4 KB 5.3 KB https://static-basket-01.wbbasket.ru/vol2/site/j/spa/customTags/spa.contextMenu....696f23cf02cb02.js 720 B 1.5 KB https://static-basket-01.wbbasket.ru/vol2/site/j/spa/modules/onlineChat/onlineCh...6710e52111c3f1.js 9.0 KB 30.1 KB https://static-basket-01.wbbasket.ru/vol2/site/j/spa/modules/catalog/xCatalogDat...9225087d762e56.js 1.1 KB 4.0 KB https://static-basket-01.wbbasket.ru/vol2/site/j/spa/modules/catalog_v2/provider...b3013822024ea4.js 2.4 KB 7.6 KB https://catalog.wb.ru/menu/v11/api?locale=ru&lang=ru&id=131289&collapse&dest=-1255987 51.1 KB 216.2 KB https://static-basket-01.wbbasket.ru/vol2/site/j/spa/customTags/spa.searchTags.c...ec4113398294c9.js 535 B 766 B https://static-basket-01.wbbasket.ru/vol2/site/j/spa/modules/catalog_v2/goodsCat...77f6a7c4685b72.js 25.5 KB 131.2 KB https://static-basket-01.wbbasket.ru/vol2/site/app/mo-icons.02d8c937f3a6935d28a6.js 7.9 KB 27.0 KB https://static-basket-01.wbbasket.ru/vol2/site/app/react-vendors.4463b5fe473e03f21749.js 40.6 KB 132.9 KB https://static-basket-01.wbbasket.ru/vol2/site/app/mo-ui.38343c4bc6cf2fb98261.js 18.3 KB 137.8 KB https://static-basket-01.wbbasket.ru/vol2/site/app/modal-component.cbf72fa21382bccf9534.js 1.4 KB 2.7 KB https://static-basket-01.wbbasket.ru/vol2/site/app/generalPreloader-component.b1...749655f40cf947.js 327 B 236 B https://static-basket-01.wbbasket.ru/vol2/site/app/14627.eb35aeacc24e8988fd4a.js 4.5 KB 11.9 KB 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https://chat-prod.wildberries.ru/api/support/v1/unauth/messages 585 B 3 B https://a.wb.ru/e/Screen_V....wb.ru/e/Screen_V 0 b 0 b https://static-basket-01.wbbasket.ru/vol1/crm-bnrs/poster/ru/bignew/992x413/v_2_1_992wb.webp 62.8 KB 62.7 KB https://a.wb.ru/e/pageview....wb.ru/e/pageview 0 b 0 b https://pow.wildberries.ru/scripts/d.js?7eec71a7 23.8 KB 59.0 KB https://a.wb.ru/e/Screen_V....wb.ru/e/Screen_V 0 b 0 b https://a.wb.ru/e/Banner_S....wb.ru/e/Banner_S 0 b 0 b https://www.wildberries.ru/manifestv2.json 1.0 KB 1.5 KB https://www.wildberries.ru/icon.svg 1.4 KB 1.5 KB https://static-basket-01.wbbasket.ru/vol2/site/j/performanceAnalytics.4cfa36b69cf0f16d3cc4.js 6.4 KB 18.8 KB https://www.wildberries.ru/favicon.ico 15.7 KB 15.0 KB https://a.wb.ru/e/performance....ru/e/performance 0 b 0 b https://a.wb.ru/e/performance....ru/e/performance 0 b 0 b https://a.wb.ru/e/performance....ru/e/performance 0 b 0 b https://a.wb.ru/e/performance....ru/e/performance 0 b 0 b https://a.wb.ru/e/performance....ru/e/performance 0 b 0 b https://a.wb.ru/e/performance....ru/e/performance 0 b 0 b https://pow.wildberries.ru/api/v1/client/get-task?client_id=c810af55-d5e0-41dc-960b-33f809d7e6de 1.1 KB 433 B https://www.wildberries.ru/android-icon-144x144.png 16.7 KB 16.1 KB https://pow.wildberries.ru/scripts/wasm_exec.js?5c7aa861 6.0 KB 15.7 KB https://pow.wildberries.ru/scripts/solve.wasm?7b450d09 150.0 KB 342.6 KB https://pow.wildberries.ru/api/v1/client/verify-answer 778 B 120 B https://www.wildberries.ru/webapi/logging/jserror N/A 0 b https://recom.wb.ru/personal/ru/common/v5/search.../common/v5/search 41.1 KB 139.2 KB https://recom.wb.ru/personal/ru/common/v5/search.../common/v5/search 40.6 KB 139.2 KB https://a.wb.ru/e/ec...ps://a.wb.ru/e/ec 0 b 0 b https://static-basket-01.wbbasket.ru/vol2/site/j/spa/modules/lazyBlockLoader.c66511f48cf5a64f33e7.js 1.0 KB 2.3 KB https://a.wb.ru/e/ec...ps://a.wb.ru/e/ec 0 b 0 b https://basket-15.wbbasket.ru/vol2212/part221243/221243814/images/c516x688/1.webp 58.5 KB 58.0 KB https://basket-15.wbbasket.ru/vol2212/part221243/221243815/images/c516x688/1.webp 61.2 KB 61.1 KB https://basket-15.wbbasket.ru/vol2342/part234242/234242143/images/c516x688/1.webp 82.5 KB 82.4 KB https://basket-10.wbbasket.ru/vol1499/part149999/149999936/images/c516x688/1.webp 75.4 KB 74.9 KB https://basket-07.wbbasket.ru/vol1102/part110216/110216290/images/c516x688/1.webp 42.8 KB 42.4 KB https://basket-14.wbbasket.ru/vol2067/part206741/206741815/images/c516x688/1.webp 72.4 KB 71.9 KB https://basket-04.wbbasket.ru/vol704/part70453/70453148/images/c516x688/1.webp 41.3 KB 40.9 KB https://basket-04.wbbasket.ru/vol680/part68016/68016977/images/c516x688/1.webp 36.3 KB 36.2 KB https://static-basket-01.wbbasket.ru/vol0/data/all-poo-v10.json.hash 170 B 16 B https://www.wildberries.ru/webapi/stats/events N/A 0 b https://static-basket-01.wbbasket.ru/vol0/data/all-poo-fr-v10.json N/A 1.4 MB https://basket-04.wbbasket.ru/vol480/part48058/48058978/images/c516x688/1.webp N/A 33.0 KB
Don't use private headers on static content (privateAssets)	The page has 8 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.	20
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/webapi/api/home/seo https://www.wildberries.ru/webapi/api/home/seo https://pow.wildberries.ru/api/v1/js-settings https://chat-prod.wildberries.ru/api/support/v1/unauth/messages https://www.wildberries.ru/manifestv2.json https://www.wildberries.ru/icon.svg https://www.wildberries.ru/android-icon-144x144.png

Best practice advice (59)

Show/hide details

Title	Advice	Score
Cumulative Layout Shift (cumulativeLayoutShift)	You have a poor cumulative layout shift score (0.5308). It is in the Google Web Vitals poor range, with a shift higher than 0.25. You should manually check the filmstrip or video and check if it will affect the user.	0
Description: Cumulative Layout Shift measures the sum total of all individual layout shift scores for unexpected layout shift that occur. The metric is measuring visual stability by quantify how often users experience unexpected layout shifts. It is one of Google Web Vitals.
Meta description (metaDescription)	The meta description is too long. It has 162 characters, the recommended max is 155	50
Description: Use a page description to make the page more relevant to search engines.
Page title (pageTitle)	The title is too long by 19 characters. The recommended max is 60	50
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 (97 requests and 2 MB) then first party (25 requests and 254.1 kB). The page transfer more bytes from third party domains (2 MB) then first party (254.1 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 24 responses that sets both a max-age and expires header. There are 20 responses that sets a pragma no-cache header (that is a request header). There are 29 responses that sets a server header.	27
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://www.wildberries.ru/webapi/logging/jserror https://www.wildberries.ru/webapi/logging/jserror https://www.wildberries.ru/webapi/logging/jserror https://www.wildberries.ru/webapi/logging/jserror https://www.wildberries.ru/webapi/logging/jserror https://www.wildberries.ru/webapi/logging/jserror https://www.wildberries.ru/webapi/personalinfo https://www.wildberries.ru/webapi/personalinfo https://www.wildberries.ru/webapi/personalinfo 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/api/home/seo https://www.wildberries.ru/webapi/api/home/seo https://www.wildberries.ru/webapi/api/home/seo https://banners-website.wildberries.ru/public/v2/banners...public/v2/banners https://www.wildberries.ru/webapi/stats/pageview https://www.wildberries.ru/webapi/stats/pageview https://www.wildberries.ru/webapi/stats/pageview https://www.wildberries.ru/webapi/api/home/seo https://www.wildberries.ru/webapi/api/home/seo https://www.wildberries.ru/webapi/api/home/seo https://catalog.wb.ru/menu/v11/api?locale=ru&lang=ru&id=131289&collapse&dest=-1255987 https://cdn.wbbasket.ru/api/v3/upstreams?t=1743643106279 https://chat-prod.wildberries.ru/api/support/v1/unauth/messages https://chat-prod.wildberries.ru/api/support/v1/unauth/messages https://chat-prod.wildberries.ru/api/support/v1/unauth/messages https://pow.wildberries.ru/api/v1/js-settings https://pow.wildberries.ru/api/v1/js-settings https://pow.wildberries.ru/api/v1/js-settings https://www.wildberries.ru/webapi/stats/events https://www.wildberries.ru/webapi/stats/events https://www.wildberries.ru/webapi/stats/events https://chat-prod.wildberries.ru/api/support/v1/unauth/messages https://chat-prod.wildberries.ru/api/support/v1/unauth/messages https://chat-prod.wildberries.ru/api/support/v1/unauth/messages https://pow.wildberries.ru/scripts/d.js?7eec71a7 https://pow.wildberries.ru/scripts/d.js?7eec71a7 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://pow.wildberries.ru/api/v1/client/get-task?client_id=c810af55-d5e0-41dc-960b-33f809d7e6de https://pow.wildberries.ru/api/v1/client/get-task?client_id=c810af55-d5e0-41dc-960b-33f809d7e6de https://pow.wildberries.ru/api/v1/client/get-task?client_id=c810af55-d5e0-41dc-960b-33f809d7e6de https://www.wildberries.ru/android-icon-144x144.png https://www.wildberries.ru/android-icon-144x144.png https://www.wildberries.ru/android-icon-144x144.png https://pow.wildberries.ru/scripts/wasm_exec.js?5c7aa861 https://pow.wildberries.ru/scripts/wasm_exec.js?5c7aa861 https://pow.wildberries.ru/scripts/solve.wasm?7b450d09 https://pow.wildberries.ru/scripts/solve.wasm?7b450d09 https://pow.wildberries.ru/api/v1/client/verify-answer https://pow.wildberries.ru/api/v1/client/verify-answer https://pow.wildberries.ru/api/v1/client/verify-answer https://www.wildberries.ru/webapi/logging/jserror https://www.wildberries.ru/webapi/logging/jserror https://www.wildberries.ru/webapi/logging/jserror https://recom.wb.ru/personal/ru/common/v5/search.../common/v5/search https://recom.wb.ru/personal/ru/common/v5/search.../common/v5/search https://www.wildberries.ru/webapi/stats/events https://www.wildberries.ru/webapi/stats/events https://www.wildberries.ru/webapi/stats/events

Privacy advice (93)

Show/hide details

Title	Advice	Score
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 includeSubDomains	90
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	Интернет-магазин Wildberries: широкий ассортимент товаров - скидки каждый день!
Width	485
Height	7827
DOM elements	4982
Avg DOM depth	14
Max DOM depth	19
Iframes	0
Script tags	2849
Local storage	289.7 KB
Session storage	224 B
Network Information API	3g

Resource Hints
preconnect
https://static-basket-01.wbbasket.ru/
https://splitter.wb.ru/

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
Cart Functionality	100	Ecommerce
HSTS	100	Security
HTTP/3	100	Miscellaneous

Visual Metrics

Browser Metrics

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	IMG
Element/tag	<img src="https://static-basket-01.wbbasket.ru/vol1/crm-bnrs/poster/ru/bignew/992x413/992_413_vygodka.webp" data-src-pb="https://static-basket-01.wbbasket.ru/vol1/crm-bnrs/poster/ru/bignew/992x413/992_413_vygodka.webp" class="swiper-lazy swiper-lazy-loaded" name="banner_8f5abab2-0dfb-43c9-beae-fcc326f2fd70" alt="ВЫГОДКА" width="1440" height="168">
Render time	10.176 s
Element render delay	38 ms
TTFB	779 ms
Resource delay	8.177 s
Resource load duration	1.182 s
Elements that needed recalculate style before LCP	4177
Time spent in recalculate style before LCP	200.98 ms
Load time	10.138 s
URL	https://static-baske..._413_vygodka.webp
Size (width*height)	85443
DOM path
div:eq(0) > main#body-layout > div#mainContainer > div#app > div:eq(1) > div > div:eq(1) > div > div > div:eq(0) > div:eq(1) > div > a > div > img> div:eq(0) > main#body-layout > div#mainContainer > div#app > div:eq(1) > div > div:eq(1) > div > div > div:eq(0) > div:eq(1) > div > a > div > img>

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

0.53081 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
0.20244	<div id="mainContainer" class="main__container"></div>
body > div:eq(0) > main#body-layout > div#mainContainer
0.02639	<div class="fixed-block__cookies"></div>,<div class="fixed-block j-fixed-block"></div>
body > div:eq(2) > div,body > div:eq(2)
0.01716	<div id="mainContainer" class="main__container"></div>
body > div:eq(0) > main#body-layout > div#mainContainer
0.00569	<div class="navbar-mobile hide-desktop j-navbar-mobile" data-link="{on 'click' '.navbar-mobile__link' sendAnalytics}" data-jsv="#27^/27^"></div>
body > div:eq(1)
0.00413
0.00413
0.00412
0.00412
0.00409
0.00409
0.00407
0.00407
0.00406
0.00404
0.00401
0.00401
0.00391
0.00387
0.00363
0.00362
0.00335
0.00334
0.00309
0.00307
0.00305
0.00305
0.00305
0.00305
0.00305
0.00304
0.00304
0.00304
0.00303
0.00303
0.00302
0.00302
0.00301
0.00301
0.00301
0.00300
0.00300
0.00300
0.00299
0.00299
0.00296
0.00296
0.00296
0.00296
0.00289
0.00289
0.00286
0.00286
0.00282
0.00281
0.00268
0.00268
0.00267
0.00267
0.00257
0.00256
0.00248
0.00248
0.00247
0.00246
0.00232
0.00230
0.00228
0.00228
0.00227
0.00227
0.00208
0.00208
0.00207
0.00206
0.00206
0.00190
0.00190
0.00189
0.00189
0.00185
0.00184
0.00171
0.00170
0.00170
0.00163
0.00162
0.00154
0.00153
0.00153
0.00144
0.00142
0.00137
0.00136
0.00136
0.00124
0.00123
0.00121
0.00120
0.00120
0.00106
0.00106
0.00105
0.00105
0.00105
0.00092
0.00091
0.00091
0.00090
0.00089
0.00078
0.00078
0.00078
0.00076
0.00075
0.00067
0.00066
0.00066
0.00061
0.00060
0.00056
0.00054
0.00054
0.00049
0.00048
0.00045
0.00044
0.00044
0.00038
0.00037
0.00036
0.00035
0.00035
0.00028
0.00028
0.00027
0.00027
0.00027
0.00021
0.00020
0.00020
0.00019
0.00018
0.00014
0.00013
0.00013
0.00011
0.00011
0.00008
0.00008
0.00008

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

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

PageXray

How the page is built.

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

Included requests done after load event end.

Requests loaded after onContentLoad

Includes requests done after DOM content loaded.

Render blocking requests

Render blocking information directly from Chrome.

Render information

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.

CPU last long task happened at 16.919 s

Individual Long Tasks

CPU time spent

Calculated using Tracium.

Time spent per request

CPU time spent

Third party

Third party requests categorised by Third party web version 0.26.2.

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.

First party requests and sizes per content type

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

Third party requests and sizes per content type

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