Page summary

https://www.wildberries.ru/catalog/yuvelirnye-ukrasheniya/koltsa?sort=popular&page=1&fbrand=4603

Tested 2025-01-14 16:47:22 using Chrome 131.0.6778.85 (runtime settings).

SummaryWaterfall MetricsFilmstrip CoachPageXrayCPU Third party axe
| Summary | | Download Timeline Log | Download HAR | 

Summary

MetricValue
Page metrics
Performance Score59
Total Page Transfer Size6.0 MB
Requests180
Timing metrics
TTFB [median]84 ms
First Paint [median]1.037 s
Fully Loaded [median]31.056 s
Google Web Vitals
TTFB [median]84 ms
First Contentful Paint (FCP) [median]1.037 s
Largest Contentful Paint (LCP) [median]1.037 s
Cumulative Layout Shift (CLS) [median]0.00
Interaction To Next Paint (INP) [median]120 ms
Total Blocking Time [median]3.106 s
Max Potential FID [median]1.904 s
CPU metrics
CPU long tasks [median]9
CPU longest task duration2.036 s
CPU last long task happens at15.993 s
Visual Metrics
First Visual Change [median]634 ms
Speed Index [median]3.133 s
Visual Complete 85% [median]3.100 s
Visual Complete 99% [median]35.800 s
Last Visual Change [median]35.800 s
Screenshot of run 1

Timings Summary

Metricminmedianmeanmax
Visual Metrics
FirstVisualChange567 ms634 ms623 ms667 ms
LastVisualChange6.434 s35.800 s28.289 s42.633 s
SpeedIndex1.191 s3.133 s2.540 s3.297 s
VisualReadiness5.867 s35.166 s27.666 s41.966 s
VisualComplete852.900 s3.100 s3.178 s3.534 s
VisualComplete955.267 s35.800 s26.711 s39.067 s
VisualComplete996.434 s35.800 s28.289 s42.633 s
Google Web Vitals
Time To First Byte (TTFB)59 ms84 ms79 ms93 ms
Largest Contentful Paint (LCP)456 ms1.037 s865 ms1.103 s
First Contentful Paint (FCP)359 ms1.037 s833 ms1.103 s
Cumulative Layout Shift (CLS)0.00260.00260.00280.0031
More metrics
firstPaint359 ms1.037 s833 ms1.103 s
loadEventEnd1.174 s29.959 s22.393 s36.047 s
CPU
Total Blocking Time1.047 s3.106 s2.424 s3.118 s
Max Potential FID746 ms1.904 s1.562 s2.036 s
CPU long tasks 8999
CPU last long task happens at2.274 s15.993 s11.605 s16.549 s
| Waterfall | | Download HAR | 

Waterfall

Run 1 SpeedIndex median

| Filmstrip | 

Filmstrip

Use--filmstrip.showAll to show all filmstrips.

0 s
0.2 sCPU Long Task duration 63 ms
0.3 sCPU Long Task duration 99 ms
0.4 sCPU Long Task duration 53 msFirst Contentful Paint 359 ms
0.5 sCPU Long Task duration 76 msLCP <> 456 ms
0.6 sDOM Content Loaded Time 579 ms
0.7 sFirst Visual Change 634 ms
0.8 sCPU Long Task duration 733 ms
0.9 s
1 s
1.1 s
1.4 s
1.5 s
1.6 s
1.7 s
2 sCPU Long Task duration 400 ms
2.8 sCPU Long Task duration 110 ms
3 sCPU Long Task duration 63 ms
3.1 sLayout Shift 0.00263 3.009 s
3.5 s
3.6 sVisual Complete 85% 3.534 s
3.7 s
3.9 s
4.1 s
4.7 s
5.9 s
7.1 s
8.3 s
9.5 s
10.7 s
11.9 s
13.1 s
14.3 s
15.5 s
16 sCPU Long Task duration 2.036 s
16.7 s
19.9 s
20.3 s
21.5 s
22.7 s
23.9 s
25.1 s
26.3 s
27.5 s
28.7 s
29.9 s
30 sPage Load Time 29.959 s
31.1 sFully Loaded 31.056 s
32.3 s
33.5 s
34.6 s
35.8 sLast Visual Change 35.800 sVisual Complete 95% 35.800 sVisual Complete 99% 35.800 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 8.1.1.

I am the coach

Coach score

Performance advice (59)

TitleAdviceScore
Avoid slowing down the critical rendering path (avoidRenderBlocking)The page has 5 blocking requests and 7 in body parser blocking (7 JavaScript and 5 CSS).30
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.f1fa208dccf55cd6.js
  • https://static-basket-01.wbbasket.ru/vol0/j/spa/customTags/spa.recentItems.min.ef1499c48738a2a7.js
  • https://static-basket-01.wbbasket.ru/vol0/j/spa/customTags/spa.searchTags.min.8e915a967b6c8579.js
  • https://static-basket-01.wbbasket.ru/vol0/j/spa/customTags/spa.tooltip.min.427c93e1900719eb.js
  • https://static-basket-01.wbbasket.ru/vol0/r/js-templates-ru-ru.10.0.51.2.js
  • https://static-basket-01.wbbasket.ru/vol0/r/route-data-ru.10.0.51.2.js
  • Don't scale images in the browser (avoidScalingImages)The page has 31 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/vol0/i/v3/header/logoWb.svg
  • https://basket-04.wbbasket.ru/vol650/part65075/65075151/images/c516x688/1.webp
  • https://basket-11.wbbasket.ru/vol1653/part165318/165318109/images/c516x688/1.webp
  • https://basket-01.wbbasket.ru/vol33/part3325/3325193/images/c516x688/9.webp
  • https://basket-14.wbbasket.ru/vol2149/part214950/214950260/images/c516x688/1.webp
  • https://basket-01.wbbasket.ru/vol29/part2961/2961948/images/c516x688/1.webp
  • https://basket-01.wbbasket.ru/vol39/part3908/3908350/images/c516x688/1.webp
  • https://basket-01.wbbasket.ru/vol40/part4084/4084530/images/c516x688/1.webp
  • https://basket-01.wbbasket.ru/vol105/part10516/10516377/images/c516x688/1.webp
  • https://basket-01.wbbasket.ru/vol101/part10199/10199477/images/c516x688/1.webp
  • https://basket-01.wbbasket.ru/vol56/part5696/5696680/images/c516x688/1.webp
  • https://basket-02.wbbasket.ru/vol279/part27936/27936886/images/c516x688/1.webp
  • https://basket-01.wbbasket.ru/vol20/part2077/2077638/images/c516x688/1.webp
  • https://basket-12.wbbasket.ru/vol1673/part167309/167309315/images/c516x688/1.webp
  • https://basket-01.wbbasket.ru/vol67/part6713/6713932/images/c516x688/1.webp
  • https://basket-10.wbbasket.ru/vol1400/part140024/140024255/images/c516x688/1.webp
  • https://basket-06.wbbasket.ru/vol1023/part102342/102342317/images/c516x688/1.webp
  • https://basket-01.wbbasket.ru/vol115/part11527/11527049/images/c516x688/1.webp
  • https://basket-01.wbbasket.ru/vol23/part2324/2324907/images/c516x688/1.webp
  • https://basket-12.wbbasket.ru/vol1858/part185846/185846793/images/c516x688/1.webp
  • https://basket-08.wbbasket.ru/vol1132/part113256/113256091/images/c516x688/1.webp
  • https://basket-10.wbbasket.ru/vol1503/part150300/150300892/images/c516x688/1.webp
  • https://basket-01.wbbasket.ru/vol37/part3796/3796614/images/c516x688/1.webp
  • https://basket-11.wbbasket.ru/vol1653/part165318/165318107/images/c516x688/1.webp
  • https://basket-01.wbbasket.ru/vol89/part8951/8951649/images/c516x688/1.webp
  • https://basket-02.wbbasket.ru/vol279/part27936/27936852/images/c516x688/1.webp
  • https://basket-04.wbbasket.ru/vol524/part52424/52424952/images/c516x688/1.webp
  • https://basket-01.wbbasket.ru/vol32/part3284/3284770/images/c516x688/1.webp
  • https://basket-05.wbbasket.ru/vol798/part79858/79858449/images/c516x688/1.webp
  • https://basket-14.wbbasket.ru/vol2115/part211569/211569470/images/c516x688/1.webp
  • https://basket-12.wbbasket.ru/vol1664/part166430/166430896/images/c516x688/1.webp
  • 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.
    Avoid CPU Long Tasks (longTasks)The page has 9 CPU long tasks with the total of 3.633 s. The total blocking time is 3.118 s and 3 long tasks before first contentful paint with total time of 215 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.0
    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
  • unknown
  • unknown
  • unknown
  • self
  • self
  • self
  • self
  • self
  • Avoid Frontend single point of failures (spof)The page has 5 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.9cea5207d2254160.css
  • https://static-basket-01.wbbasket.ru/vol0/s/desktop/style/views/spa/common.min.614a75c33608de2a.css
  • https://static-basket-01.wbbasket.ru/vol0/s/desktop/style/views/site/catalog-pag...4a791c4570fe5.css
  • https://static-basket-01.wbbasket.ru/vol0/s/desktop/style/views/site/promotion-c...78309a24f2700.css
  • https://static-basket-01.wbbasket.ru/vol0/s/desktop/style/views/site/promotion-m...3d726f06fdb1d.css
  • Avoid extra requests by setting cache headers (cacheHeaders)The page has 60 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 3.7 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.9cea5207d2254160.css
  • https://static-basket-01.wbbasket.ru/vol0/s/desktop/style/views/spa/common.min.614a75c33608de2a.css
  • https://static-basket-01.wbbasket.ru/vol0/s/desktop/style/views/site/catalog-pag...4a791c4570fe5.css
  • https://static-basket-01.wbbasket.ru/vol0/s/desktop/style/views/site/promotion-c...78309a24f2700.css
  • https://static-basket-01.wbbasket.ru/vol0/s/desktop/style/views/site/promotion-m...3d726f06fdb1d.css
  • https://static-basket-01.wbbasket.ru/vol0/i/v3/header/logoWb.svg
  • 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.f1fa208dccf55cd6.js
  • https://static-basket-01.wbbasket.ru/vol0/j/spa/customTags/spa.recentItems.min.ef1499c48738a2a7.js
  • https://static-basket-01.wbbasket.ru/vol0/j/spa/customTags/spa.searchTags.min.8e915a967b6c8579.js
  • https://static-basket-01.wbbasket.ru/vol0/j/spa/customTags/spa.tooltip.min.427c93e1900719eb.js
  • https://static-basket-01.wbbasket.ru/vol0/r/js-templates-ru-ru.10.0.51.2.js
  • https://static-basket-01.wbbasket.ru/vol0/r/route-data-ru.10.0.51.2.js
  • https://static-basket-01.wbbasket.ru/vol0/l/als-hauss-vf.woff2
  • https://static-basket-01.wb.ru/vol1/global-payment/default-payment.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/settings-front-ru.json.hash
  • https://static-basket-01.wbbasket.ru/vol0/data/promotion-creatives.json.hash
  • https://static-basket-01.wbbasket.ru/vol0/data/settings-front-ru.json
  • https://static-basket-01.wbbasket.ru/vol0/data/promotion-creatives.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/j/spa/customTags/banners.min.fa5c594041669961.js
  • https://static-basket-01.wbbasket.ru/vol0/j/spa/modules/searchInput/suggestionsH...1f418cdf2364df.js
  • https://static-basket-01.wbbasket.ru/vol0/t/jst/spacatalog-ru-ru.4a58fa0073746103.json
  • https://static-basket-01.wbbasket.ru/vol0/data/settings-front-ru.json.hash
  • https://static-basket-01.wbbasket.ru/vol0/data/promotion-creatives.json.hash
  • https://user-geo-data.wildberries.ru/get-geo-info...s.ru/get-geo-info
  • https://static-basket-01.wbbasket.ru/vol0/data/menu/catalog/ekspress-dostavka.json
  • https://catalog.wb.ru/catalog/jewellery1/v2/catalog...llery1/v2/catalog
  • https://static-basket-01.wbbasket.ru/vol0/t/jst/menutoptmpl-ru-ru.d7da992fc1c000da.json
  • https://static-basket-01.wbbasket.ru/vol0/j/swiper.min.7a55dc87e84f5c3f.js
  • https://banners-website.wildberries.ru/public/v1/banners...public/v1/banners
  • https://catalog.wb.ru/catalog/jewellery1/v2/catalog...llery1/v2/catalog
  • https://static-basket-01.wbbasket.ru/vol0/j/spa/services/feedbacks/feedbacksPaym...52e80756a6a35a.js
  • https://static-basket-01.wbbasket.ru/vol0/t/jst/catalogcard-ru-ru.e738ef38d29ed039.json
  • https://static-basket-01.wbbasket.ru/vol0/t/jst/catalogcore-ru-ru.b3a09120c910d559.json
  • https://static-basket-01.wbbasket.ru/vol0/j/spa/customTags/lazyBlockLoader.min.6623456650f0eac0.js
  • https://static-basket-01.wbbasket.ru/vol0/j/spa/modules/catalog_v2/goodsCatalog/...146221c01113f8.js
  • https://static-basket-01.wbbasket.ru/vol0/t/jst/catalogsitepath-ru-ru.82bb2a30e309e655.json
  • https://static-basket-01.wbbasket.ru/vol0/j/spa/modules/catalog_v2/shared/catalo...96e69c40b710e9.js
  • https://static-basket-01.wbbasket.ru/vol0/j/spa/modules/lazyBlockLoader.min.f9571df382b5a066.js
  • https://static-basket-01.wbbasket.ru/vol0/t/jst/recommendationslist-ru-ru.e2fdd963f8a9c93f.json
  • https://static-basket-01.wbbasket.ru/vol0/j/spa/modules/recommendations/recommen...0f2b8aa7586447.js
  • https://catalog.wb.ru/catalog/jewellery1/v6/filters...llery1/v6/filters
  • https://www.wildberries.ru/webapi/spa/catalog/metatags/yuvelirnye-ukrasheniya/ko...krasheniya/koltsa
  • https://static-basket-01.wbbasket.ru/vol0/t/jst/filteritem-ru-ru.6be66106ba231687.json
  • https://static-basket-01.wbbasket.ru/vol0/j/spa/modules/catalog_v2/filtres/filte...eea1eee240fdac.js
  • https://static-basket-01.wbbasket.ru/vol0/t/jst/mobilepopupfilter-ru-ru.b0d871a474c04dee.json
  • https://static-basket-01.wbbasket.ru/vol0/s/desktop/style/modules/mobilePopupFil...bdf5f10fa7451.css
  • https://static-basket-01.wbbasket.ru/vol0/j/spa/modules/catalog_v2/filtres/mobil...938c0ef43f70f3.js
  • https://static-basket-01.wbbasket.ru/vol0/j/performanceAnalytics.min.a71f5369e38b4055.js
  • 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 111 requests that have a shorter cache time than 30 days (but still a cache time).0
    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://basket-04.wbbasket.ru/vol650/part65075/65075151/images/c516x688/1.webp
  • https://basket-11.wbbasket.ru/vol1653/part165318/165318109/images/c516x688/1.webp
  • https://basket-14.wbbasket.ru/vol2149/part214950/214950260/images/c516x688/1.webp
  • https://basket-02.wbbasket.ru/vol279/part27936/27936886/images/c516x688/1.webp
  • https://basket-12.wbbasket.ru/vol1673/part167309/167309315/images/c516x688/1.webp
  • https://basket-10.wbbasket.ru/vol1400/part140024/140024255/images/c516x688/1.webp
  • https://basket-12.wbbasket.ru/vol1858/part185846/185846793/images/c516x688/1.webp
  • https://basket-10.wbbasket.ru/vol1503/part150300/150300892/images/c516x688/1.webp
  • https://basket-11.wbbasket.ru/vol1653/part165318/165318107/images/c516x688/1.webp
  • https://basket-02.wbbasket.ru/vol279/part27936/27936852/images/c516x688/1.webp
  • https://basket-04.wbbasket.ru/vol524/part52424/52424952/images/c516x688/1.webp
  • https://basket-05.wbbasket.ru/vol798/part79858/79858449/images/c516x688/1.webp
  • https://basket-14.wbbasket.ru/vol2115/part211569/211569470/images/c516x688/1.webp
  • https://basket-12.wbbasket.ru/vol1664/part166430/166430896/images/c516x688/1.webp
  • https://basket-14.wbbasket.ru/vol2063/part206335/206335830/images/c516x688/1.webp
  • https://basket-12.wbbasket.ru/vol1692/part169284/169284196/images/c516x688/1.webp
  • https://basket-03.wbbasket.ru/vol383/part38329/38329326/images/c516x688/1.webp
  • https://basket-03.wbbasket.ru/vol293/part29318/29318975/images/c516x688/1.webp
  • https://basket-10.wbbasket.ru/vol1392/part139242/139242359/images/c516x688/1.webp
  • https://basket-02.wbbasket.ru/vol262/part26237/26237299/images/c516x688/1.webp
  • https://basket-10.wbbasket.ru/vol1502/part150253/150253708/images/c516x688/1.webp
  • https://basket-15.wbbasket.ru/vol2206/part220693/220693722/images/c516x688/1.webp
  • https://basket-10.wbbasket.ru/vol1426/part142614/142614508/images/c516x688/1.webp
  • https://basket-12.wbbasket.ru/vol1668/part166898/166898846/images/c516x688/1.webp
  • https://basket-14.wbbasket.ru/vol2149/part214950/214950267/images/c516x688/1.webp
  • https://basket-03.wbbasket.ru/vol352/part35295/35295730/images/c516x688/1.webp
  • https://basket-14.wbbasket.ru/vol2149/part214950/214950277/images/c516x688/1.webp
  • https://basket-02.wbbasket.ru/vol279/part27936/27936822/images/c516x688/1.webp
  • https://basket-02.wbbasket.ru/vol220/part22013/22013540/images/c516x688/1.webp
  • https://basket-10.wbbasket.ru/vol1502/part150253/150253709/images/c516x688/1.webp
  • https://basket-02.wbbasket.ru/vol279/part27936/27936828/images/c516x688/1.webp
  • https://basket-09.wbbasket.ru/vol1198/part119835/119835537/images/c516x688/1.webp
  • https://basket-14.wbbasket.ru/vol2089/part208955/208955026/images/c516x688/1.webp
  • https://basket-02.wbbasket.ru/vol279/part27936/27936878/images/c516x688/1.webp
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  • Total CSS size shouldn't be too big (cssSize)The total CSS transfer size is 165 kB and uncompressed size is 1.1 MB. 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.9cea5207d2254160.css 76.9 KB497.2 KB
    https://static-basket-01.wbbasket.ru/vol0/s/desktop/style/views/spa/common.min.614a75c33608de2a.css 51.9 KB315.5 KB
    https://static-basket-01.wbbasket.ru/vol0/s/desktop/style/views/site/catalog-pag...4a791c4570fe5.css 22.2 KB152.3 KB
    https://static-basket-01.wbbasket.ru/vol0/s/desktop/style/views/site/promotion-c...78309a24f2700.css 6.6 KB55.8 KB
    https://static-basket-01.wbbasket.ru/vol0/s/desktop/style/views/site/promotion-m...3d726f06fdb1d.css 2.6 KB10.5 KB
    https://static-basket-01.wbbasket.ru/vol0/s/desktop/style/modules/mobilePopupFil...bdf5f10fa7451.css 1023 B2.9 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 2.7 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/.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 307.3 kB and the uncompressed size is 1.2 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:
    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.f1fa208dccf55cd6.js 136.3 KB543.6 KB
    https://static-basket-01.wbbasket.ru/vol0/j/spa/customTags/spa.recentItems.min.ef1499c48738a2a7.js 574 B986 B
    https://static-basket-01.wbbasket.ru/vol0/j/spa/customTags/spa.searchTags.min.8e915a967b6c8579.js 407 B745 B
    https://static-basket-01.wbbasket.ru/vol0/j/spa/customTags/spa.tooltip.min.427c93e1900719eb.js 2.2 KB8.0 KB
    https://static-basket-01.wbbasket.ru/vol0/r/js-templates-ru-ru.10.0.51.2.js 1.8 KB5.7 KB
    https://static-basket-01.wbbasket.ru/vol0/r/route-data-ru.10.0.51.2.js 17.7 KB109.9 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 11.4 KB36.0 KB
    https://static-basket-01.wbbasket.ru/vol0/j/spa/customTags/banners.min.fa5c594041669961.js 4.0 KB15.4 KB
    https://static-basket-01.wbbasket.ru/vol0/j/spa/modules/searchInput/suggestionsH...1f418cdf2364df.js 2.1 KB5.3 KB
    https://static-basket-01.wbbasket.ru/vol0/j/swiper.min.7a55dc87e84f5c3f.js 26.7 KB103.4 KB
    https://static-basket-01.wbbasket.ru/vol0/j/spa/services/feedbacks/feedbacksPaym...52e80756a6a35a.js 1005 B2.0 KB
    https://static-basket-01.wbbasket.ru/vol0/j/spa/customTags/lazyBlockLoader.min.6623456650f0eac0.js 500 B801 B
    https://static-basket-01.wbbasket.ru/vol0/j/spa/modules/catalog_v2/goodsCatalog/...146221c01113f8.js 20.6 KB97.0 KB
    https://static-basket-01.wbbasket.ru/vol0/j/spa/modules/catalog_v2/shared/catalo...96e69c40b710e9.js 866 B1.7 KB
    https://static-basket-01.wbbasket.ru/vol0/j/spa/modules/lazyBlockLoader.min.f9571df382b5a066.js 946 B2.1 KB
    https://static-basket-01.wbbasket.ru/vol0/j/spa/modules/recommendations/recommen...0f2b8aa7586447.js 9.0 KB35.2 KB
    https://static-basket-01.wbbasket.ru/vol0/j/spa/modules/catalog_v2/filtres/filte...eea1eee240fdac.js 6.6 KB25.6 KB
    https://static-basket-01.wbbasket.ru/vol0/j/spa/modules/catalog_v2/filtres/mobil...938c0ef43f70f3.js 533 B747 B
    https://static-basket-01.wbbasket.ru/vol0/j/performanceAnalytics.min.a71f5369e38b4055.js 6.2 KB18.6 KB
    Avoid using incorrect mime types (mimeTypes)The page has 3 misconfigured mime types. 97
    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/settings-front-ru.json
  • https://points.wb.ru/points-users-api/api/v1/w/promotion/available
  • https://www.wildberries.ru/webapi/stats/events
  • Make each CSS response small (optimalCssSize)https://static-basket-01.wbbasket.ru/vol0/s/desktop/style/views/spa/main-v3.min.9cea5207d2254160.css size is 78.7 kB (78740) 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.614a75c33608de2a.css size is 53.1 kB (53146) and that is bigger than the limit of 14.5 kB. https://static-basket-01.wbbasket.ru/vol0/s/desktop/style/views/site/catalog-page-v3.min.6744a791c4570fe5.css size is 22.8 kB (22768) and that is bigger than the limit of 14.5 kB. Try to make the CSS files fit into 14.5 KB.70
    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.9cea5207d2254160.css 76.9 KB497.2 KB
    https://static-basket-01.wbbasket.ru/vol0/s/desktop/style/views/spa/common.min.614a75c33608de2a.css 51.9 KB315.5 KB
    https://static-basket-01.wbbasket.ru/vol0/s/desktop/style/views/site/catalog-pag...4a791c4570fe5.css 22.2 KB152.3 KB
    Total page size shouldn't be too big (pageSize)The page total transfer size is 6.3 MB, which is more than the coach limit of 2 MB. That is insane 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/catalog/yuvelirnye-ukrasheniya/koltsa?sort=popular&page=1&fbrand=4603 26.1 KB668.6 KB
    https://static-basket-01.wbbasket.ru/vol0/s/desktop/style/views/spa/main-v3.min.9cea5207d2254160.css 76.9 KB497.2 KB
    https://static-basket-01.wbbasket.ru/vol0/s/desktop/style/views/spa/common.min.614a75c33608de2a.css 51.9 KB315.5 KB
    https://static-basket-01.wbbasket.ru/vol0/s/desktop/style/views/site/catalog-pag...4a791c4570fe5.css 22.2 KB152.3 KB
    https://static-basket-01.wbbasket.ru/vol0/s/desktop/style/views/site/promotion-c...78309a24f2700.css 6.6 KB55.8 KB
    https://static-basket-01.wbbasket.ru/vol0/s/desktop/style/views/site/promotion-m...3d726f06fdb1d.css 2.6 KB10.5 KB
    https://static-basket-01.wbbasket.ru/vol0/i/v3/header/logoWb.svg 1.1 KB2.5 KB
    https://basket-04.wbbasket.ru/vol650/part65075/65075151/images/c516x688/1.webp 21.8 KB21.4 KB
    https://basket-11.wbbasket.ru/vol1653/part165318/165318109/images/c516x688/1.webp 17.8 KB17.3 KB
    https://basket-14.wbbasket.ru/vol2149/part214950/214950260/images/c516x688/1.webp 27.2 KB26.7 KB
    https://static-basket-01.wbbasket.ru/vol0/i/v3/apps/qr-apps.svg 15.5 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.f1fa208dccf55cd6.js 136.3 KB543.6 KB
    https://static-basket-01.wbbasket.ru/vol0/j/spa/customTags/spa.recentItems.min.ef1499c48738a2a7.js 574 B986 B
    https://static-basket-01.wbbasket.ru/vol0/j/spa/customTags/spa.searchTags.min.8e915a967b6c8579.js 407 B745 B
    https://static-basket-01.wbbasket.ru/vol0/j/spa/customTags/spa.tooltip.min.427c93e1900719eb.js 2.2 KB8.0 KB
    https://static-basket-01.wbbasket.ru/vol0/r/js-templates-ru-ru.10.0.51.2.js 1.8 KB5.7 KB
    https://static-basket-01.wbbasket.ru/vol0/r/route-data-ru.10.0.51.2.js 17.7 KB109.9 KB
    https://basket-02.wbbasket.ru/vol279/part27936/27936886/images/c516x688/1.webp 12.7 KB12.2 KB
    https://basket-12.wbbasket.ru/vol1673/part167309/167309315/images/c516x688/1.webp 27.7 KB27.2 KB
    https://basket-10.wbbasket.ru/vol1400/part140024/140024255/images/c516x688/1.webp 18.4 KB18.0 KB
    https://basket-12.wbbasket.ru/vol1858/part185846/185846793/images/c516x688/1.webp 15.0 KB14.9 KB
    https://basket-10.wbbasket.ru/vol1503/part150300/150300892/images/c516x688/1.webp 24.9 KB24.8 KB
    https://basket-11.wbbasket.ru/vol1653/part165318/165318107/images/c516x688/1.webp 32.3 KB32.2 KB
    https://basket-02.wbbasket.ru/vol279/part27936/27936852/images/c516x688/1.webp 33.9 KB33.8 KB
    https://basket-04.wbbasket.ru/vol524/part52424/52424952/images/c516x688/1.webp 9.9 KB9.8 KB
    https://basket-05.wbbasket.ru/vol798/part79858/79858449/images/c516x688/1.webp 9.8 KB9.3 KB
    https://basket-14.wbbasket.ru/vol2115/part211569/211569470/images/c516x688/1.webp 11.6 KB11.5 KB
    https://basket-12.wbbasket.ru/vol1664/part166430/166430896/images/c516x688/1.webp 13.1 KB13.0 KB
    https://basket-14.wbbasket.ru/vol2063/part206335/206335830/images/c516x688/1.webp 28.4 KB28.3 KB
    https://basket-12.wbbasket.ru/vol1692/part169284/169284196/images/c516x688/1.webp 20.2 KB20.1 KB
    https://basket-03.wbbasket.ru/vol383/part38329/38329326/images/c516x688/1.webp 13.6 KB13.5 KB
    https://basket-03.wbbasket.ru/vol293/part29318/29318975/images/c516x688/1.webp 23.3 KB22.9 KB
    https://basket-10.wbbasket.ru/vol1392/part139242/139242359/images/c516x688/1.webp 10.3 KB10.2 KB
    https://basket-02.wbbasket.ru/vol262/part26237/26237299/images/c516x688/1.webp 24.9 KB24.8 KB
    https://basket-10.wbbasket.ru/vol1502/part150253/150253708/images/c516x688/1.webp 32.8 KB32.7 KB
    https://basket-15.wbbasket.ru/vol2206/part220693/220693722/images/c516x688/1.webp 21.6 KB21.2 KB
    https://basket-10.wbbasket.ru/vol1426/part142614/142614508/images/c516x688/1.webp 23.8 KB23.7 KB
    https://basket-12.wbbasket.ru/vol1668/part166898/166898846/images/c516x688/1.webp 25.1 KB25.0 KB
    https://basket-14.wbbasket.ru/vol2149/part214950/214950267/images/c516x688/1.webp 13.4 KB13.3 KB
    https://basket-03.wbbasket.ru/vol352/part35295/35295730/images/c516x688/1.webp 13.5 KB13.4 KB
    https://basket-14.wbbasket.ru/vol2149/part214950/214950277/images/c516x688/1.webp 15.0 KB14.9 KB
    https://basket-02.wbbasket.ru/vol279/part27936/27936822/images/c516x688/1.webp 34.9 KB34.8 KB
    https://basket-02.wbbasket.ru/vol220/part22013/22013540/images/c516x688/1.webp 29.6 KB29.5 KB
    https://basket-10.wbbasket.ru/vol1502/part150253/150253709/images/c516x688/1.webp 30.3 KB30.2 KB
    https://basket-02.wbbasket.ru/vol279/part27936/27936828/images/c516x688/1.webp 11.1 KB11.0 KB
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    https://static-basket-01.wbbasket.ru/vol0/data/stores-data.json N/A2.0 MB
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    https://static-basket-01.wbbasket.ru/vol0/data/settings-front-ru.json.hash 108 B16 B
    https://static-basket-01.wbbasket.ru/vol0/data/promotion-creatives.json.hash 108 B16 B
    https://www.wildberries.ru/webapi/stats/pageview 666 B38 B
    https://user-geo-data.wildberries.ru/get-geo-info...s.ru/get-geo-info 616 B369 B
    https://static-basket-01.wbbasket.ru/vol0/data/menu/catalog/ekspress-dostavka.json 11.3 KB71.4 KB
    https://catalog.wb.ru/catalog/jewellery1/v2/catalog...llery1/v2/catalog 63.8 KB302.1 KB
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    https://static-basket-01.wbbasket.ru/vol0/j/swiper.min.7a55dc87e84f5c3f.js 26.7 KB103.4 KB
    https://www.wildberries.ru/webapi/stats/pageview 666 B38 B
    https://banners-website.wildberries.ru/public/v1/banners...public/v1/banners 5.7 KB39.5 KB
    https://catalog.wb.ru/catalog/jewellery1/v2/catalog...llery1/v2/catalog 63.6 KB302.0 KB
    https://static-basket-01.wbbasket.ru/vol0/j/spa/services/feedbacks/feedbacksPaym...52e80756a6a35a.js 1005 B2.0 KB
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    https://static-basket-01.wbbasket.ru/vol0/j/spa/customTags/lazyBlockLoader.min.6623456650f0eac0.js 500 B801 B
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    https://static-basket-01.wbbasket.ru/vol0/t/jst/catalogsitepath-ru-ru.82bb2a30e309e655.json 532 B1.3 KB
    https://static-basket-01.wbbasket.ru/vol0/j/spa/modules/catalog_v2/shared/catalo...96e69c40b710e9.js 866 B1.7 KB
    https://points.wb.ru/points-users-api/api/v1/w/promotion/available 0 b0 b
    https://points.wb.ru/points-users-api/api/v1/w/promotion/available 266 B22 B
    https://static-basket-01.wbbasket.ru/vol0/j/spa/modules/lazyBlockLoader.min.f9571df382b5a066.js 946 B2.1 KB
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    https://catalog.wb.ru/catalog/jewellery1/v6/filters...llery1/v6/filters 1.5 KB4.6 KB
    https://www.wildberries.ru/webapi/spa/catalog/metatags/yuvelirnye-ukrasheniya/ko...krasheniya/koltsa 1008 B1.2 KB
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    https://www.wildberries.ru/webapi/stats/events N/A0 b
    https://basket-01.wbbasket.ru/vol33/part3325/3325193/images/c516x688/2.webp 9.5 KB9.3 KB
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    https://static-basket-01.wbbasket.ru/vol0/data/all-poo-fr-v9.json 2.7 MB20.0 MB
    https://basket-01.wbbasket.ru/vol33/part3325/3325193/images/c516x688/12.webp 26.8 KB26.7 KB
    https://www.wildberries.ru/manifestv2.json 982 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 6 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.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/catalog/yuvelirnye-ukrasheniya/koltsa?sort=popular&page=1&fbrand=4603
  • https://www.wildberries.ru/catalog/yuvelirnye-ukrasheniya/koltsa?sort=popular&page=1&fbrand=4603
  • https://www.wildberries.ru/webapi/spa/catalog/metatags/yuvelirnye-ukrasheniya/ko...krasheniya/koltsa
  • https://www.wildberries.ru/manifestv2.json
  • https://www.wildberries.ru/icon.svg
  • https://www.wildberries.ru/android-icon-144x144.png
  • Best practice advice (83)

    TitleAdviceScore
    Have a good URL format (url)The page is using more than two request parameters. You should really rethink and try to minimize the number of parameters. 50
    Description: A clean URL is good for the user and for SEO. Make them human readable, avoid too long URLs, spaces in the URL, too many request parameters, and never ever have the session id in your URL.
    Avoid too many third party requests (thirdParty)The page do more requests to third party domains (167 requests and 6.2 MB) then first party (13 requests and 97.5 kB). The page transfer more bytes from third party domains (6.2 MB) then first party (97.5 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 11 responses that sets both a max-age and expires header. There are 11 responses that sets a pragma no-cache header (that is a request header). There are 18 responses that sets a server header. 60
    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/catalog/yuvelirnye-ukrasheniya/koltsa?sort=popular&page=1&fbrand=4603
  • https://www.wildberries.ru/catalog/yuvelirnye-ukrasheniya/koltsa?sort=popular&page=1&fbrand=4603
  • https://www.wildberries.ru/catalog/yuvelirnye-ukrasheniya/koltsa?sort=popular&page=1&fbrand=4603
  • https://www.wildberries.ru/catalog/yuvelirnye-ukrasheniya/koltsa?sort=popular&page=1&fbrand=4603
  • https://www.wildberries.ru/catalog/yuvelirnye-ukrasheniya/koltsa?sort=popular&page=1&fbrand=4603
  • https://www.wildberries.ru/catalog/yuvelirnye-ukrasheniya/koltsa?sort=popular&page=1&fbrand=4603
  • 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/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://catalog.wb.ru/catalog/jewellery1/v2/catalog...llery1/v2/catalog
  • 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://catalog.wb.ru/catalog/jewellery1/v2/catalog...llery1/v2/catalog
  • https://points.wb.ru/points-users-api/api/v1/w/promotion/available
  • https://points.wb.ru/points-users-api/api/v1/w/promotion/available
  • https://catalog.wb.ru/catalog/jewellery1/v6/filters...llery1/v6/filters
  • https://www.wildberries.ru/webapi/spa/catalog/metatags/yuvelirnye-ukrasheniya/ko...krasheniya/koltsa
  • https://www.wildberries.ru/webapi/spa/catalog/metatags/yuvelirnye-ukrasheniya/ko...krasheniya/koltsa
  • https://www.wildberries.ru/webapi/spa/catalog/metatags/yuvelirnye-ukrasheniya/ko...krasheniya/koltsa
  • https://www.wildberries.ru/webapi/stats/events
  • https://www.wildberries.ru/webapi/stats/events
  • https://www.wildberries.ru/webapi/stats/events
  • 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/catalog/yuvelirnye-ukrasheniya/koltsa?sort=popular&page=1&fbrand=4603
  • https://www.wildberries.ru/catalog/yuvelirnye-ukrasheniya/koltsa?sort=popular&page=1&fbrand=4603
  • 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
    TitleКупить ювелирные кольца в интернет магазине WildBerries.ru
    Width1904
    Height4035
    DOM elements4696
    Avg DOM depth16
    Max DOM depth18
    Iframes0
    Script tags2741
    Local storage6.2 KB
    Session storage497 B
    Network Information API4g
    Resource Hints
    preconnect
    https://static-basket-01.wbbasket.ru/
    https://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.

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

    Data from run 1

    Visual Metrics

    Browser Metrics

    Google Web Vitals
    Time to first byte (TTFB)93 ms
    First Contentful Paint (FCP)359 ms
    Largest Contentful Paint (LCP)456 ms
    Cumulative Layout Shift (CLS)0.00
    Interaction to next paint (INP)136 ms
    Total Blocking Time (TBT)3.118 s
    First Contentful Paint info
    Elements that needed recalculate style before FCP5413
    Time spent in recalculate style before FCP124.209 ms
    Extra timings
    TTFB93 ms
    First Paint359 ms
    Load Event End29.959 s
    Fully loaded31.056 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.

    Render time 456 ms
    Elements that needed recalculate style before LCP11929
    Time spent in recalculate style before LCP292.003 ms
    Load time311 ms
    URL https://basket-01.wb...s/c516x688/1.webp
    Size (width*height)100968
    DOM path
    <>
    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

    0.00263 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.

    ScoreHTML Element
    0.00263<button class="dropdown-filter__btn dropdown-filter__btn--sorter " data-link="class{merge:model.count > 0 toggle='selected'}" type="button"></button>,<button class="dropdown-filter__btn dropdown-filter__btn--burger " data-link="class{merge:model.count > 0 toggle='selected'}" type="button"></button>
    body > div:eq(0) > main#body-layout > div#mainContainer > div#app > div:eq(1) > div#catalog > div:eq(2) > div#YmJiNmQ3ODEtODVkNS0xMjgyLWU2ZDYtODMzMTk2MmU4Nzg1 > div > div > div > div:eq(0) > div#MjkxZjFmZjgtNmFlMC00ZTllLWY4YzgtMWViNmYzYjg4Y2Ni > button,body > div:eq(0) > main#body-layout > div#mainContainer > div#app > div:eq(1) > div#catalog > div:eq(2) > div#YmJiNmQ3ODEtODVkNS0xMjgyLWU2ZDYtODMzMTk2MmU4Nzg1 > div > div > div > div:eq(0) > div#NWNlYTJlNWEtNzRhMC1iMWQ3LTMxNzAtMDIwYTUzZWM2MjFm > button
    Layout shift

    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.

    Interaction to Next Paint

    Interaction to Next Paint (INP) is a metric that try to measure responsiveness. It's useful if you are testing user journeys. Read more about Interaction to Next Paint.

    The measured latency was 136 ms.

    Event typemouseover
    Element typeA
    Element class nameproduct-card__link j-card-link j-open-full-product-card
    Event target#c3325193>div.product-card__wrapper>a.product-card__link.j-card-link.j-open-full-product-card
    Load state when the event happeneddom-content-loaded

    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
    1.986 s2.036 s0 ms0 ms0 ms
    https://static-basket-01.wbbasket.ru/vol0/j/spa/index.min.f1fa208dccf55cd6.js

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

    Blocking duration Work durationRender durationPreLayout DurationStyle And Layout Duration
    683 ms733 ms0 ms0 ms0 ms
    https://static-basket-01.wbbasket.ru/vol0/j/spa/index.min.f1fa208dccf55cd6.js

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

    Blocking duration Work durationRender durationPreLayout DurationStyle And Layout Duration
    383 ms402.4 ms31.6 ms5.7 ms25.9 ms
    https://static-basket-01.wbbasket.ru/vol0/j/spa/index.min.f1fa208dccf55cd6.js

    Forced Style And Layout Duration: 93 ms

    Invoker:  Response.json.then
    Invoker Type: resolve-promise
    Window attribution: self
    Source char position: -1

    Blocking duration Work durationRender durationPreLayout DurationStyle And Layout Duration
    111 ms140 ms98 ms0 ms98 ms
    https://static-basket-01.wbbasket.ru/vol0/j/spa/customTags/banners.min.fa5c594041669961.js

    Invoker:  https://static-basket-01.wbbasket.ru/vol0/j/spa/customTags/banners.min.fa5c594041669961.js
    Invoker Type: classic-script
    Window attribution: other

    Forced Style And Layout Duration: 30 ms

    Invoker:  SCRIPT[src=//static-basket-01.wbbasket.ru/vol0/j/spa/customTags/banners.min.fa5c594041669961.js].onload
    Invoker Type: event-listener
    Window attribution: other
    Source char position: -1

    Blocking duration Work durationRender durationPreLayout DurationStyle And Layout Duration
    97 ms147 ms0 ms0 ms0 ms
    No availible script information.
    Blocking duration Work durationRender durationPreLayout DurationStyle And Layout Duration
    65 ms44.9 ms110.1 ms65.1 ms45 ms
    https://static-basket-01.wbbasket.ru/vol0/j/spa/modules/catalog_v2/goodsCatalog/catalogCore.min.b0146221c01113f8.js

    Invoker:  FrameRequestCallback
    Invoker Type: user-callback
    Window attribution: self
    Source char position: -1

    Blocking duration Work durationRender durationPreLayout DurationStyle And Layout Duration
    38 ms26.1 ms62.9 ms56 ms6.9 ms
    https://static-basket-01.wbbasket.ru/vol0/j/spa/modules/catalog_v2/goodsCatalog/catalogCore.min.b0146221c01113f8.js

    Forced Style And Layout Duration: 32 ms

    Invoker:  FrameRequestCallback
    Invoker Type: user-callback
    Window attribution: self
    Source char position: -1

    Blocking duration Work durationRender durationPreLayout DurationStyle And Layout Duration
    36 ms35.1 ms75.9 ms70.3 ms5.6 ms
    No availible script information.
    Blocking duration Work durationRender durationPreLayout DurationStyle And Layout Duration
    13 ms44 ms53 ms45.7 ms7.3 ms
    No availible script information.
    Blocking duration Work durationRender durationPreLayout DurationStyle And Layout Duration
    10 ms60 ms0 ms0 ms0 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.

    | 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 requests180
    Total domains20
    Total transfer size6.0 MB
    Total content size29.0 MB
    Responses missing compression40
    Number of cookies1
    Third party cookies0
    Requests per response code
    200178
    2042

    Largest assets on the page (by transfer size)

    Requests and sizes per content type

    ContentHeader SizeTransfer SizeContent SizeRequests
    html0 b52.0 KB1.3 MB2
    css0 b161.2 KB1.0 MB6
    javascript0 b300.1 KB1.1 MB21
    image0 b2.5 MB2.5 MB112
    font0 b134.5 KB134.4 KB1
    svg0 b17.9 KB81.9 KB3
    json0 b2.9 MB22.9 MB26
    plain0 b723 B80 B5
    other0 b0 b0 b3
    favicon0 b15.6 KB15.0 KB1
    Total0 b6.0 MB29.0 MB180

    Data per domain

    DomainTotal download timeTransfer SizeContent SizeRequests
    www.wildberries.ru555 ms88.9 KB1.3 MB11
    static-basket-01.wbbasket.ru2.300 s3.3 MB24.6 MB50
    basket-04.wbbasket.ru112 ms31.7 KB31.2 KB2
    basket-11.wbbasket.ru119 ms50.1 KB49.6 KB2
    basket-14.wbbasket.ru327 ms152.5 KB151.3 KB8
    basket-02.wbbasket.ru392 ms244.6 KB243.2 KB10
    basket-12.wbbasket.ru336 ms160.5 KB159.2 KB9
    basket-10.wbbasket.ru300 ms206.1 KB204.8 KB9
    basket-05.wbbasket.ru131 ms43.8 KB43.3 KB2
    basket-03.wbbasket.ru156 ms50.5 KB49.8 KB3
    basket-15.wbbasket.ru96 ms21.6 KB21.2 KB1
    basket-09.wbbasket.ru80 ms14.3 KB13.9 KB1
    static-basket-01.wb.ru90 ms415 B324 B1
    basket-01.wbbasket.ru4.541 s1.5 MB1.5 MB62
    basket-06.wbbasket.ru207 ms24.5 KB24.0 KB1
    basket-08.wbbasket.ru237 ms23.7 KB23.3 KB1
    user-geo-data.wildberries.ru533 ms616 B369 B1
    catalog.wb.ru224 ms128.9 KB608.7 KB3
    banners-website.wildberries.ru147 ms5.7 KB39.5 KB1
    points.wb.ru186 ms266 B22 B2

    Expires and last modified statistics

    typeminmedianmax
    Expires0 seconds1 day1 day
    Last modified10 seconds27 weeks1 year

    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
    json982 B1
    svg1.3 KB1
    favicon15.6 KB1
    Total34.6 KB4

    Requests loaded after onContentLoad

    Includes requests done after DOM content loaded.

    ContentTransfer SizeRequests
    html0 b0
    css1023 B1
    javascript72.8 KB10
    image256.3 KB12
    font0 b0
    plain277 B2
    json2.8 MB19
    other0 b2
    svg1.3 KB1
    favicon15.6 KB1
    Total3.2 MB48

    Render blocking requests

    Render blocking information directly from Chrome.

    BlockingIn body parser blockingPotentially blocking
    570

    Render information

    URLType
    https://static-baske...fa208dccf55cd6.jsin_body_parser_blocking
    https://static-baske...ls-hauss-vf.woff2non_blocking
    https://static-baske...a5207d2254160.cssblocking
    https://static-baske...a75c33608de2a.cssblocking
    https://static-baske...19a657450fb2cc.jsin_body_parser_blocking
    https://static-baske...55dc87e84f5c3f.jsnon_blocking
    https://static-baske...4a791c4570fe5.cssblocking
    https://static-baske...146221c01113f8.jsnon_blocking
    https://static-baske...a-ru.10.0.51.2.jsin_body_parser_blocking
    https://static-baske...9817e336a3df91.jsnon_blocking
    https://static-baske...0f2b8aa7586447.jsnon_blocking
    https://static-baske...e4b06e459a9146.jsnon_blocking
    https://static-baske...eea1eee240fdac.jsnon_blocking
    https://static-baske...78309a24f2700.cssblocking
    https://static-baske...1f5369e38b4055.jsnon_blocking
    https://static-baske...5c594041669961.jsnon_blocking
    https://static-baske...3d726f06fdb1d.cssblocking
    https://static-baske...7c93e1900719eb.jsin_body_parser_blocking
    https://static-baske...1f418cdf2364df.jsnon_blocking
    https://static-baske...u-ru.10.0.51.2.jsin_body_parser_blocking
    https://static-baske...bdf5f10fa7451.cssdynamically_injected_non_blocking
    https://static-baske...52e80756a6a35a.jsnon_blocking
    https://static-baske...571df382b5a066.jsnon_blocking
    https://static-baske...96e69c40b710e9.jsnon_blocking
    https://static-baske...1499c48738a2a7.jsin_body_parser_blocking
    https://static-baske...938c0ef43f70f3.jsnon_blocking
    https://static-baske...23456650f0eac0.jsnon_blocking
    https://static-baske...915a967b6c8579.jsin_body_parser_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.

    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 3118
    Max Potential First Input Delay 2036
    Long Tasks before First Paint3215
    Long Tasks before First Contentful Paint3215
    Long Tasks before Largest Contentful Paint4291
    Long Tasks after Load Event End00
    Total Long Tasks93633

    CPU last long task happened at 15.993 s

    Individual Long Tasks

    namestartTimedurationcontainerIdcontainerNamecontainerSrccontainerType
    unknown11963window
    unknown21199window
    unknown35453window
    unknown44276window
    self774733window
    self1976400window
    self2709110window
    self295063window
    self159932036window

    CPU time spent

    Calculated using Tracium.

    Categories (ms)
    parseHTML107
    styleLayout755
    paintCompositeRender182
    scriptParseCompile2
    scriptEvaluation3625
    garbageCollection163
    other3205
    Events (ms)
    RunMicrotasks3241
    RunTask2896
    UpdateLayoutTree441
    Layout301
    v8.run176
    FunctionCall141
    Paint110
    ParseHTML95
    Layerize80
    PrePaint70
    HTMLDocumentParser::FetchQueuedPreloads46
    PaintImage43
    V8.GC_SCAVENGER_SCAVENGE_PARALLEL31
    V8.GC_MARK_COMPACTOR31
    V8.GC_MC_INCREMENTAL_EMBEDDER_TRACING23
    HitTest23
    DecodedDataDocumentParser::AppendBytes22
    V8.GC_MC_INCREMENTAL20
    V8.GC_SCAVENGER_SCAVENGE_PARALLEL_PHASE17
    V8.GC_HEAP_EMBEDDER_TRACING_EPILOGUE14
    Commit13
    v8.produceCache13
    DocumentLoader::BodyLoadingFinished13
    ParseAuthorStyleSheet12
    V8.GC_SCAVENGER_SCAVENGE_ROOTS10
    v8.callFunction10

    Time spent per request

    URLCPU time (ms)
    https://static-basket-01.wbbasket.ru/vol0/j/spa/modules/catalog_v2/goodsCatalog/catalogCore.min.b0146221c01113f8.js160
    https://static-basket-01.wbbasket.ru/vol0/j/spa/index.min.f1fa208dccf55cd6.js153
    https://static-basket-01.wbbasket.ru/vol0/j/app.min.ad19a657450fb2cc.js59
    https://static-basket-01.wbbasket.ru/vol0/j/performanceAnalytics.min.a71f5369e38b4055.js20

    CPU time spent

    Tool/domainTime (ms)
    static-basket-01.wbbasket.ru392.0
    | Categories | | First vs third | 

    Third party

    Third party requests categorised by Third party web version 0.26.2.

    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
    basket-04.wbbasket.ru
    basket-11.wbbasket.ru
    basket-14.wbbasket.ru
    basket-02.wbbasket.ru
    basket-12.wbbasket.ru
    basket-10.wbbasket.ru
    basket-05.wbbasket.ru
    basket-03.wbbasket.ru
    basket-15.wbbasket.ru
    basket-09.wbbasket.ru
    static-basket-01.wb.ru
    basket-01.wbbasket.ru
    basket-06.wbbasket.ru
    basket-08.wbbasket.ru
    catalog.wb.ru
    points.wb.ru

    First party requests and sizes per content type

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

    ContentHeader SizeTransfer SizeContent SizeRequests
    html0 b52.0 KB1.3 MB2
    css0 b0 b0 b0
    javascript0 b0 b0 b0
    image0 b16.7 KB16.1 KB1
    font0 b0 b0 b0
    json0 b9.6 KB42.7 KB7
    other0 b0 b0 b1
    svg0 b1.3 KB1.5 KB1
    favicon0 b15.6 KB15.0 KB1
    TotalN/A95.2 KB1.4 MB13

    Third party requests and sizes per content type

    ContentHeader SizeTransfer SizeContent SizeRequests
    html0 b0 b0 b0
    css0 b161.2 KB1.0 MB6
    javascript0 b300.1 KB1.1 MB21
    image0 b2.5 MB2.4 MB111
    font0 b134.5 KB134.4 KB1
    svg0 b16.7 KB80.4 KB2
    json0 b2.9 MB22.9 MB19
    plain0 b723 B80 B5
    other0 b0 b0 b2
    TotalN/A5.9 MB27.7 MB167

    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

    Median number of violations for all the runs. Check each individual run to see all the violations.

    TypeViolations (median)
    Critical 0 (0 issues)
    Serious1 (55 issues)
    Moderate1 (32 issues)
    Minor0 (0 issues)