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· 0 checks — Desktop Lighthouse audit -- Performance, Accessibility, Best Practices, and SEO category breakdown.
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Detailed Report

Audit breakdown by category with detailed findings.

32

Performance

Insights

Remove large, duplicate JavaScript modules from bundles to reduce unnecessary bytes consumed by network activity.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Polyfills and transforms enable older browsers to use new JavaScript features. However, many aren't necessary for modern browsers. Consider modifying your JavaScript build process to not transpile Baseline features, unless you know you must support older browsers. Learn why most sites can deploy ES6+ code without transpiling

Why this matters

Performance issues directly impact user engagement and conversion rates.

3rd party code can significantly impact load performance. Reduce and defer loading of 3rd party code to prioritize your page's content.

Why this matters

Performance issues directly impact user engagement and conversion rates.

A long cache lifetime can speed up repeat visits to your page. Learn more about caching.

Why this matters

Performance issues directly impact user engagement and conversion rates.

RequestCache TTLTransfer Size
o.alicdn.com/tbpc/traceSDK/index.umd.js300.0 s133.2 KiB
o.alicdn.com/tbhome/tbnav/index.js300.0 s113.5 KiB
o.alicdn.com/tbpc/securitySDK/securitySDK.umd.js300.0 s62.5 KiB
g.alicdn.com/sd/ncpc/nc.js?t=20150520123600.0 s56.5 KiB
push-v1.taobao.com/app/tbpc/tb-web-push/dist/site-push.js300.0 s17.2 KiB
g.alicdn.com/??/AWSC/AWSC/awsc.js,/sd/baxia/2.5.31/baxiaCommon.js7200.0 s17.5 KiB
push-v1.taobao.com/app/tbpc/tb-web-push/dist/global-request-permission.js300.0 s11.9 KiB
o.alicdn.com/baxia/baxia-entry-gray/index.js15.0 s6.6 KiB
o.alicdn.com/baxia/baxia-entry-gray/index.js15.0 s6.6 KiB
g.alicdn.com/sd/baxia-entry/baxiaCommon.js3600.0 s7.1 KiB
o.alicdn.com/vip/lib-auto-login/plugin.js300.0 s5.4 KiB
g.alicdn.com/AWSC/AWSC/awsc.js7200.0 s3.9 KiB
g.alicdn.com/AWSC/AWSC/awsc.js7200.0 s3.9 KiB
g.alicdn.com/sd/ncpc/nc.css?t=20190820163600.0 s3.5 KiB
/nocaptcha/initialize.jsonp?a=CF_APP_TBLogin_PC&t=977b7ea...0.0 ms277 B
/nocaptcha/initialize.jsonp?a=CF_APP_TBLogin_PC&t=977b7ea...0.0 ms277 B
o.alicdn.com/baxia/baxia-entry-gray/index.js15.0 s244 B
/ts?url=&token=gIBm_H65wXm_JEuzKVJbwWibWhVJhK96ONH9WdLaaU...0.0 ms140 B
/ts?url=&token=BHJyqJAPT2zFeHNQcbTn3SVww7FUA3ad0P-KBzxLni...0.0 ms59 B
g.alicdn.com/sd/ncpc/nc.js?t=20150520123600.0 s0 B
g.alicdn.com/??/AWSC/AWSC/awsc.js,/sd/baxia/2.5.31/baxiaCommon.js7200.0 s0 B
g.alicdn.com/sd/ncpc/nc.css?t=20190820163600.0 s0 B
g.alicdn.com/AWSC/AWSC/awsc.js7200.0 s0 B

Your first network request is the most important. Reduce its latency by avoiding redirects, ensuring a fast server response, and enabling text compression.

Why this matters

Performance issues directly impact user engagement and conversion rates.

A forced reflow occurs when JavaScript queries geometric properties (such as offsetWidth) after styles have been invalidated by a change to the DOM state. This can result in poor performance. Learn more about forced reflows and possible mitigations.

Why this matters

Performance issues directly impact user engagement and conversion rates.

headings: [map[key:source label:Top function call valueType:source-location] map[granularity:1 key:reflowTime label:Total reflow time valueType:ms]]
items: [map[reflowTime:144.791 source:map[column:78455 line:1 type:source-location url:https://g.alicdn.com/tbpc/polyfill/1.0.0/index.umd.es5.production.js urlProvider:network]]]
headings: [map[key:source label:Source valueType:source-location] map[granularity:1 key:reflowTime label:Total reflow time valueType:ms]]
items: [map[reflowTime:0.953 source:map[column:406081 line:0 type:source-location url:https://g.alicdn.com/code/npm/@ali/pegasus-project-tbhome-2024/1.11.11/js/478.js urlProvider:network]] map[reflowTime:43.355 source:map[column:166770 line:0 type:source-location url:https://g.alicdn.com/code/npm/@ali/pegasus-project-tbhome-2024/1.11.11/js/framework.js urlProvider:network]] map[reflowTime:104 source:map[column:767338 line:0 type:source-location url:https://g.alicdn.com/code/npm/@ali/pegasus-project-tbhome-2024/1.11.11/js/478.js urlProvider:network]] map[reflowTime:9.962 source:map[column:231869 line:1 type:source-location url:https://g.alicdn.com/main-search/new-search-suggest/2.14.1/bundle.js urlProvider:network]] map[reflowTime:10.07 source:map[column:283713 line:1 type:source-location url:https://g.alicdn.com/main-search/new-search-suggest/2.14.1/bundle.js urlProvider:network]] map[reflowTime:6.841 source:map[column:26184 line:0 type:source-location url:https://g.alicdn.com/??mtb/lib-promise/3.1.3/polyfillB.js,mtb/lib-mtop/2.7.3/mtop.js,jstracker/sdk-assests/5.7.7/index.js,mtb/lib-env/3.0.0/index.min.js urlProvider:network]] map[reflowTime:19.095 source:map[type:text value:[unattributed]]] map[reflowTime:0.373 source:map[column:152054 line:0 type:source-location url:https://x.alicdn.com/vip/havana-nlogin/0.10.35/index.js urlProvider:network]] map[reflowTime:0.382 source:map[column:152054 line:0 type:source-location url:https://x.alicdn.com/vip/havana-nlogin/0.10.35/index.js urlProvider:network]] map[reflowTime:0.827 source:map[column:718132 line:0 type:source-location url:https://g.alicdn.com/code/npm/@ali/pegasus-project-tbhome-2024/1.11.11/js/478.js urlProvider:network]] map[reflowTime:0.429 source:map[column:4620 line:5 type:source-location url: urlProvider:network]] map[reflowTime:0.363 source:map[column:4620 line:5 type:source-location url: urlProvider:network]] map[reflowTime:0.721 source:map[column:6325 line:4 type:source-location url:https://g.alicdn.com/sd/ncpc/nc.js?t=2015052012 urlProvider:network]] map[reflowTime:0.362 source:map[column:6325 line:4 type:source-location url:https://g.alicdn.com/sd/ncpc/nc.js?t=2015052012 urlProvider:network]] map[reflowTime:0.366 source:map[column:52069 line:0 type:source-location url:https://g.alicdn.com/AWSC/fireyejs/1.234.20/fireyejs.js urlProvider:network]] map[reflowTime:0.339 source:map[column:52069 line:0 type:source-location url:https://g.alicdn.com/AWSC/fireyejs/1.234.20/fireyejs.js urlProvider:network]] map[reflowTime:0.22 source:map[column:4197 line:5 type:source-location url:https://g.alicdn.com/sd/ncpc/nc.js?t=2015052012 urlProvider:network]] map[reflowTime:0.21 source:map[column:154411 line:0 type:source-location url:https://g.alicdn.com/AWSC/WebUMID/1.93.0/um.js urlProvider:network]]]

Each subpart has specific improvement strategies. Ideally, most of the LCP time should be spent on loading the resources, not within delays.

Why this matters

Performance issues directly impact user engagement and conversion rates.

headings: [map[key:label label:Subpart valueType:text] map[key:duration label:Duration valueType:ms]]
items: [map[duration:735.977 label:Time to first byte subpart:timeToFirstByte] map[duration:1500.785 label:Resource load delay subpart:resourceLoadDelay] map[duration:31.83 label:Resource load duration subpart:resourceLoadDuration] map[duration:286.996 label:Element render delay subpart:elementRenderDelay]]
lhId: page-0-IMG
nodeLabel: body.lg > div#ice-container > div.J_Module > img.superbanner-background-image--GhTuMTaG
path: 1,HTML,1,BODY,9,DIV,0,DIV,0,IMG
selector: body.lg > div#ice-container > div.J_Module > img.superbanner-background-image--GhTuMTaG
snippet: <img class="superbanner-background-image--GhTuMTaG" src="https://img.alicdn.com/imgextra/i3/O1CN01mJphmK1zHA1IbQhHu_!!6000000006688…">

Optimize LCP by making the LCP image discoverable from the HTML immediately, and avoiding lazy-loading

Why this matters

Performance issues directly impact user engagement and conversion rates.

lhId: page-0-IMG
nodeLabel: body.lg > div#ice-container > div.J_Module > img.superbanner-background-image--GhTuMTaG
path: 1,HTML,1,BODY,9,DIV,0,DIV,0,IMG
selector: body.lg > div#ice-container > div.J_Module > img.superbanner-background-image--GhTuMTaG
snippet: <img class="superbanner-background-image--GhTuMTaG" src="https://img.alicdn.com/imgextra/i3/O1CN01mJphmK1zHA1IbQhHu_!!6000000006688…">

Avoid chaining critical requests by reducing the length of chains, reducing the download size of resources, or deferring the download of unnecessary resources to improve page load.

Why this matters

Performance issues directly impact user engagement and conversion rates.

description: [preconnect](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/) hints help the browser establish a connection earlier in the page load, saving time when the first request for that origin is made. The following are the origins that the page preconnected to.
title: Preconnected origins
value: no origins were preconnected
description: Add [preconnect](https://developer.chrome.com/docs/lighthouse/performance/uses-rel-preconnect/) hints to your most important origins, but try to use no more than 4.
title: Preconnect candidates

Requests are blocking the page's initial render, which may delay LCP. Deferring or inlining can move these network requests out of the critical path.

Why this matters

Performance issues directly impact user engagement and conversion rates.

URLTransfer SizeDuration
g.alicdn.com/tbpc/polyfill/1.0.0/index.umd.es5.production.js78.0 KiB163 ms
g.alicdn.com/code/npm/@ali/pegasus-project-tbhome-2024/1.11.11/js/478.js383.9 KiB327 ms
o.alicdn.com/tbhome/tbnav/index.js113.5 KiB207 ms
g.alicdn.com/code/npm/@ali/pegasus-project-tbhome-2024/1.11.11/js/457.js46.3 KiB
o.alicdn.com/tbpc/securitySDK/securitySDK.umd.js62.5 KiB124 ms
o.alicdn.com/tbpc/traceSDK/index.umd.js133.2 KiB420 ms
/code/lib/??react/18.2.0/umd/react.production.min.js,reac...53.7 KiB123 ms
g.alicdn.com/code/npm/@ali/pegasus-project-tbhome-2024/1.11.11/js/framework.js63.7 KiB
g.alicdn.com/code/npm/@ali/pegasus-project-tbhome-2024/1.11.11/js/main.js3.4 KiB
/??mtb/lib-promise/3.1.3/polyfillB.js,mtb/lib-mtop/2.7.3/...25.4 KiB
g.alicdn.com/code/npm/@ali/privacy-sdk/0.0.1/index.js9.6 KiB
g.alicdn.com/AWSC/AWSC/awsc.js3.9 KiB
g.alicdn.com/sd/baxia-entry/baxiaCommon.js7.1 KiB
g.alicdn.com/main-search/new-search-suggest/2.14.1/bundle.js82.1 KiB123 ms
g.alicdn.com/code/npm/@ali/pegasus-project-tbhome-2024/1.11.11/js/p_index.js1.7 KiB
g.alicdn.com/code/npm/@ali/pegasus-project-tbhome-2024/1.11.11/js/29107295.js24.9 KiB
g.alicdn.com/code/npm/@ali/pegasus-project-tbhome-2024/1.11.11/css/478.css46.8 KiB
g.alicdn.com/code/npm/@ali/pegasus-project-tbhome-2024/1.11.11/css/a3b34c1b.css23.9 KiB
g.alicdn.com/tbpc/font/1.0.0/index.umd.es5.production.css10.6 KiB207 ms
g.alicdn.com/code/npm/@ali/pegasus-project-tbhome-2024/1.11.11/css/main.css2.4 KiB
g.alicdn.com/main-search/new-search-suggest/2.14.1/bundle.css5.9 KiB

Consider setting font-display to swap or optional to ensure text is consistently visible. swap can be further optimized to mitigate layout shifts with font metric overrides.

Why this matters

Performance issues directly impact user engagement and conversion rates.

URLEst Savings
at.alicdn.com/t/a/font_403341_z4ofl26w68.woff2?t=17507444745705.0 ms

Reducing the download time of images can improve the perceived load time of the page and LCP. Learn more about optimizing image size

Why this matters

Performance issues directly impact user engagement and conversion rates.

URLResource SizeEst Savings
限时秒杀5折起 券后低至7.7折起 官方立减商品8.8折起 div.slick-slide > div > div > a.home-ad-banner-item
/imgextra/i4/O1CN01xOFPlo1KANunNUDmO_!!6000000001123-1-tp...1.2 MiB960.9 KiB
logo div.top-wrap > div.tbh-logo-right > a.logo > img.logo-img
/imgextra/i3/O1CN010P8Pzl1CDZjGGI9xl_!!6000000000047-1-tp...466.5 KiB425.7 KiB
div.tb-pick-content-item > a.item-link > div.img-wrapper > img.product-img div.tb-pick-content-item > a.item-link > div.img-wrapper > img.product-img
/bao/uploaded/i2/3129083788/O1CN01QZHz1V1dqxN2y2LsT_!!461...66.0 KiB59.8 KiB
div.tb-pick-content-item > a.item-link > div.img-wrapper > img.product-img div.tb-pick-content-item > a.item-link > div.img-wrapper > img.product-img
/bao/uploaded/i3/2214396963107/O1CN017vhB7s1Yp3hx05ua5_!!...65.4 KiB59.2 KiB
div.tb-pick-content-item > a.item-link > div.img-wrapper > img.product-img div.tb-pick-content-item > a.item-link > div.img-wrapper > img.product-img
/bao/uploaded/i2/2216780592294/O1CN01mCE8SZ1SohhlTZHIQ_!!...57.5 KiB51.2 KiB
div.tb-pick-content-item > a.item-link > div.img-wrapper > img.product-img div.tb-pick-content-item > a.item-link > div.img-wrapper > img.product-img
/bao/uploaded/i3/2539394293/O1CN016RMw5A1haFRZvegHi_!!253...54.2 KiB48.0 KiB
div.tb-pick-content-item > a.item-link > div.img-wrapper > img.product-img div.tb-pick-content-item > a.item-link > div.img-wrapper > img.product-img
/bao/uploaded/i1/2209091478473/O1CN01gS4wZj2CSgdXg1T0b_!!...42.2 KiB36.0 KiB
div.tb-pick-content-item > a.item-link > div.img-wrapper > img.product-img div.tb-pick-content-item > a.item-link > div.img-wrapper > img.product-img
/bao/uploaded/i3/2208122171775/O1CN01xit2yg1Oz058FKf2G_!!...40.5 KiB34.3 KiB
div.tb-pick-content-item > a.item-link > div.img-wrapper > img.product-img div.tb-pick-content-item > a.item-link > div.img-wrapper > img.product-img
/bao/uploaded/i1/2083840680/O1CN01JF6uFZ1GtUSWPYQa5_!!208...37.4 KiB31.2 KiB
div.tb-pick-content-item > a.item-link > div.img-wrapper > img.product-img div.tb-pick-content-item > a.item-link > div.img-wrapper > img.product-img
/bao/uploaded/i4/3329349188/O1CN01kPPXTQ2HkA8YLVqze_!!332...34.3 KiB28.1 KiB
div.business-entry-item-card-content-container > a.business-entry-item-card-content > div.business-entry-item-card-content-container-image > img div.business-entry-item-card-content-container > a.business-entry-item-card-content > div.business-entry-item-card-content-container-image > img
/bao/upload/O1CN01UkqfOC1nAxELrX7e1_!!6000000005050-2-yin...27.6 KiB26.0 KiB
div.tb-pick-content-item > a.item-link > div.img-wrapper > img.product-img div.tb-pick-content-item > a.item-link > div.img-wrapper > img.product-img
/bao/uploaded/i4/2219165867776/O1CN01lnmgqH27JSujU7YYu_!!...29.9 KiB24.5 KiB
div.tb-pick-content-item > a.item-link > div.img-wrapper > img.product-img div.tb-pick-content-item > a.item-link > div.img-wrapper > img.product-img
/bao/uploaded/i3/2222064679063/O1CN01apPbfw2Goug6uCbHf_!!...28.2 KiB23.1 KiB
div.tb-pick-content-item > a.item-link > div.img-wrapper > img.product-img div.tb-pick-content-item > a.item-link > div.img-wrapper > img.product-img
/bao/uploaded/i3/1982056672/O1CN01opDcf01z9papNJcuX_!!198...26.6 KiB21.8 KiB
div.tb-pick-content-item > a.item-link > div.img-wrapper > img.product-img div.tb-pick-content-item > a.item-link > div.img-wrapper > img.product-img
/bao/uploaded/i3/4176601222/O1CN01PA7Ous1Ktj74dto80_!!461...26.0 KiB21.3 KiB
全部频道 li.nav-item > a.nav-link > div > img
/imgextra/i4/O1CN017Bbrh31ckG00PGimR_!!6000000003638-1-tp...21.4 KiB21.0 KiB
div.tb-pick-content-item > a.item-link > div.img-wrapper > img.product-img div.tb-pick-content-item > a.item-link > div.img-wrapper > img.product-img
/bao/uploaded/i2/2219494975726/O1CN011OL7kQ1sAYzBZZenD_!!...21.1 KiB17.3 KiB
div.tb-pick-content-item > a.item-link > div.img-wrapper > img.product-img div.tb-pick-content-item > a.item-link > div.img-wrapper > img.product-img
/bao/uploaded/i2/2221636305730/O1CN01lRY7i71sCOa7rySnR~cr...19.8 KiB16.3 KiB
div.tb-pick-content-item > a.item-link > div.img-wrapper > img.product-img div.tb-pick-content-item > a.item-link > div.img-wrapper > img.product-img
/bao/uploaded/i4/2221215199676/O1CN01jOm61Q2LLfSnlPbFH_!!...18.2 KiB14.9 KiB
div.tb-pick-content-item > a.item-link > div.img-wrapper > img.product-img div.tb-pick-content-item > a.item-link > div.img-wrapper > img.product-img
/bao/uploaded/i3/155546711/O1CN01gGIicC1zRh7diZmTx~crop,0...18.1 KiB14.8 KiB
body.lg > div#ice-container > div.J_Module > img.superbanner-background-image--GhTuMTaG body.lg > div#ice-container > div.J_Module > img.superbanner-background-image--GhTuMTaG
/imgextra/i3/O1CN01mJphmK1zHA1IbQhHu_!!6000000006688-2-tp...17.5 KiB13.2 KiB
div.business-entry-item-card-content-container > a.business-entry-item-card-content > div.business-entry-item-card-content-container-image > img div.business-entry-item-card-content-container > a.business-entry-item-card-content > div.business-entry-item-card-content-container-image > img
/bao/upload/O1CN01HEJEKm1kWzRIXrv3g_!!6000000004692-2-yin...12.3 KiB11.4 KiB
div.business-entry-item-card-content-container > a.business-entry-item-card-content > div.business-entry-item-card-content-container-image > img div.business-entry-item-card-content-container > a.business-entry-item-card-content > div.business-entry-item-card-content-container-image > img
/bao/upload/O1CN01aKo1xW1Vjc7Nua5Ec_!!6000000002689-0-yin...11.8 KiB10.9 KiB
div.tb-pick-content-item > a.item-link > div.img-wrapper > img.product-img div.tb-pick-content-item > a.item-link > div.img-wrapper > img.product-img
/bao/uploaded/i2/872777610/O1CN01wdbaCp265RC9HtuGQ~hdr~li...17.6 KiB10.0 KiB
div.tb-pick-content-item > a.item-link > div.img-wrapper > img.product-img div.tb-pick-content-item > a.item-link > div.img-wrapper > img.product-img
/bao/uploaded/i4/3479882666/O1CN01ddTSZY1VZ4ynDxNRK_!!461...11.9 KiB9.8 KiB
div.business-entry-item-card-content-container > a.business-entry-item-card-content > div.business-entry-item-card-content-container-image > img div.business-entry-item-card-content-container > a.business-entry-item-card-content > div.business-entry-item-card-content-container-image > img
/bao/upload/O1CN01u61q3N1J3gUgdV2aN_!!6000000000973-2-yin...9.5 KiB8.8 KiB
div.smallTabListScrollContainer > div.smallTabList > div.smallTabWrapper > img.smallTabIcon div.smallTabListScrollContainer > div.smallTabList > div.smallTabWrapper > img.smallTabIcon
/imgextra/jz3_4/O1CN01GhA7HY1Q2x5Ppna08_!!6000000001919-2...8.0 KiB7.9 KiB
div.business-entry-item-card-content-container > a.business-entry-item-card-content > div.business-entry-item-card-content-container-image > img div.business-entry-item-card-content-container > a.business-entry-item-card-content > div.business-entry-item-card-content-container-image > img
/bao/upload/O1CN01tm7NEy1rhhmrSv9tO_!!6000000005663-2-yin...8.6 KiB7.9 KiB
div > a.home-ad-banner-item > div.home-ad-banner-item-content-container > img.home-ad-banner-item-logo div > a.home-ad-banner-item > div.home-ad-banner-item-content-container > img.home-ad-banner-item-logo
/imgextra/i4/O1CN013fOEoF1PFwnqJPNL2_!!6000000001812-2-tp...6.4 KiB6.3 KiB
div.smallTabListScrollContainer > div.smallTabList > div.smallTabWrapper > img.smallTabIcon div.smallTabListScrollContainer > div.smallTabList > div.smallTabWrapper > img.smallTabIcon
/imgextra/jz3_2/O1CN01my7jsY1DB78Z05moQ_!!6000000000177-2...5.7 KiB5.6 KiB
div.smallTabListScrollContainer > div.smallTabList > div.smallTabWrapper > img.smallTabIcon div.smallTabListScrollContainer > div.smallTabList > div.smallTabWrapper > img.smallTabIcon
/imgextra/jz3_3/O1CN01yBP4cG1idjz3fYdBy_!!6000000004436-2...4.7 KiB4.6 KiB
div.smallTabListScrollContainer > div.smallTabList > div.smallTabWrapper > img.smallTabIcon div.smallTabListScrollContainer > div.smallTabList > div.smallTabWrapper > img.smallTabIcon
/imgextra/jz3_2/O1CN01vodaoP1zGF883cbFa_!!6000000006686-2...4.7 KiB4.6 KiB
div > a.home-ad-banner-item > div.home-ad-banner-item-content-container > img.home-ad-banner-item-logo div > a.home-ad-banner-item > div.home-ad-banner-item-content-container > img.home-ad-banner-item-logo
/imgextra/i1/O1CN01OM0NTj1JPfW2zGKsi_!!6000000001021-2-tp...4.6 KiB4.4 KiB

These insights are also available in the Chrome DevTools Performance Panel - record a trace to view more detailed information.

Redirects introduce additional delays before the page can be loaded. Learn how to avoid page redirects.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Estimated savings: 905 ms
URLTime Spent
taobao.com/905 ms
www.taobao.com/0.0 ms

Time to Interactive is the amount of time it takes for the page to become fully interactive. Learn more about the Time to Interactive metric.

Why this matters

Performance issues directly impact user engagement and conversion rates.

TTI

The maximum potential First Input Delay that your users could experience is the duration of the longest task. Learn more about the Maximum Potential First Input Delay metric.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Diagnostics

Minifying JavaScript files can reduce payload sizes and script parse time. Learn how to minify JavaScript.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Estimated savings: 80 ms 109.7 KiB
URLTransfer SizeEst Savings
g.alicdn.com/code/npm/@ali/pegasus-project-tbhome-2024/1.11.11/js/478.js383.6 KiB109.7 KiB

Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. Learn how to reduce unused CSS.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Estimated savings: 160 ms 76.5 KiB
URLTransfer SizeEst Savings
g.alicdn.com/code/npm/@ali/pegasus-project-tbhome-2024/1.11.11/css/478.css46.5 KiB42.6 KiB
g.alicdn.com/code/npm/@ali/pegasus-project-tbhome-2024/1.11.11/css/a3b34c1b.css23.6 KiB23.5 KiB
g.alicdn.com/tbpc/font/1.0.0/index.umd.es5.production.css10.3 KiB10.3 KiB

Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. Learn how to reduce unused JavaScript.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Estimated savings: 400 ms 916.3 KiB
URLTransfer SizeEst Savings
g.alicdn.com/code/npm/@ali/pegasus-project-tbhome-2024/1.11.11/js/478.js383.6 KiB238.1 KiB
x.alicdn.com/vip/havana-nlogin/0.10.35/index.js228.2 KiB139.1 KiB
x.alicdn.com/vip/havana-nlogin/0.10.35/index.js228.2 KiB139.1 KiB
o.alicdn.com/tbpc/traceSDK/index.umd.js132.7 KiB73.3 KiB
o.alicdn.com/tbhome/tbnav/index.js112.4 KiB47.1 KiB
g.alicdn.com/tbpc/polyfill/1.0.0/index.umd.es5.production.js77.7 KiB46.6 KiB
/code/lib/??react/18.2.0/umd/react.production.min.js,reac...53.4 KiB45.7 KiB
g.alicdn.com/main-search/new-search-suggest/2.14.1/bundle.js81.4 KiB45.5 KiB
o.alicdn.com/tbpc/securitySDK/securitySDK.umd.js62.1 KiB35.5 KiB
g.alicdn.com/sd/ncpc/nc.js?t=201505201256.1 KiB32.6 KiB
g.alicdn.com/sd/ncpc/nc.js?t=201505201256.1 KiB32.6 KiB
g.alicdn.com/code/npm/@ali/pegasus-project-tbhome-2024/1.11.11/js/457.js46.0 KiB20.6 KiB
g.alicdn.com/code/npm/@ali/pegasus-project-tbhome-2024/1.11.11/js/framework.js63.5 KiB20.6 KiB

Consider reducing the time spent parsing, compiling, and executing JS. You may find delivering smaller JS payloads helps with this. Learn how to reduce Javascript execution time.

Why this matters

Performance issues directly impact user engagement and conversion rates.

URLTotal CPU TimeScript EvaluationScript Parse
Unattributable970 ms252 ms0.0 ms
g.alicdn.com/AWSC/fireyejs/1.234.20/fireyejs.js767 ms721 ms40 ms
g.alicdn.com/tbpc/polyfill/1.0.0/index.umd.es5.production.js724 ms540 ms7.9 ms
www.taobao.com/647 ms78 ms5.9 ms
g.alicdn.com/AWSC/et/1.83.41/et_f.js533 ms488 ms36 ms
g.alicdn.com/AWSC/WebUMID/1.93.0/um.js471 ms322 ms23 ms
x.alicdn.com/vip/havana-nlogin/0.10.35/index.js412 ms283 ms55 ms
g.alicdn.com/code/npm/@ali/pegasus-project-tbhome-2024/1.11.11/js/478.js267 ms165 ms50 ms
g.alicdn.com/alilog/mlog/aplus_v2.js234 ms165 ms51 ms
o.alicdn.com/tbhome/tbnav/index.js193 ms151 ms18 ms
g.alicdn.com/code/npm/@ali/pegasus-project-tbhome-2024/1.11.11/js/framework.js190 ms57 ms8.0 ms
g.alicdn.com/AWSC/uab/1.140.0/collina.js178 ms162 ms16 ms
/h5/mtop.tmall.kangaroo.core.service.route.aldlampservice...91 ms60 ms26 ms
/h5/mtop.dsm.compliance.external.privacy.switch.isopen/1....77 ms53 ms0.1 ms
g.alicdn.com/sd/ncpc/nc.js?t=201505201275 ms35 ms28 ms
o.alicdn.com/tbpc/traceSDK/index.umd.js69 ms54 ms13 ms
g.alicdn.com/main-search/new-search-suggest/2.14.1/bundle.js67 ms53 ms10 ms

Consider reducing the time spent parsing, compiling and executing JS. You may find delivering smaller JS payloads helps with this. Learn how to minimize main-thread work

Why this matters

Performance issues directly impact user engagement and conversion rates.

CategoryTime Spent
Script Evaluation4.1 s
Other1.2 s
Style & Layout627 ms
Script Parsing & Compilation471 ms
Rendering118 ms
Garbage Collection94 ms
Parse HTML & CSS53 ms

Many navigations are performed by going back to a previous page, or forwards again. The back/forward cache (bfcache) can speed up these return navigations. Learn more about the bfcache

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failure reasonFailure type
The page has an unload handler in the main frame.Actionable
The page has an unload handler in a sub frame.Actionable
Pages with WebSocket cannot enter back/forward cache.Pending browser support

Large network payloads cost users real money and are highly correlated with long load times. Learn how to reduce payload sizes.

Why this matters

Performance issues directly impact user engagement and conversion rates.

URLTransfer Size
/imgextra/i4/O1CN01xOFPlo1KANunNUDmO_!!6000000001123-1-tp...1.2 MiB
/imgextra/i3/O1CN010P8Pzl1CDZjGGI9xl_!!6000000000047-1-tp...467.4 KiB
g.alicdn.com/code/npm/@ali/pegasus-project-tbhome-2024/1.11.11/js/478.js383.9 KiB
x.alicdn.com/vip/havana-nlogin/0.10.35/index.js229.0 KiB
g.alicdn.com/AWSC/fireyejs/1.234.20/fireyejs.js171.3 KiB
o.alicdn.com/tbpc/traceSDK/index.umd.js133.2 KiB
o.alicdn.com/tbhome/tbnav/index.js113.5 KiB
g.alicdn.com/AWSC/et/1.83.41/et_f.js109.7 KiB
g.alicdn.com/AWSC/et/1.83.41/et_f.js109.6 KiB
g.alicdn.com/AWSC/uab/1.140.0/collina.js103.6 KiB

Set an explicit width and height on image elements to reduce layout shifts and improve CLS. Learn how to set image dimensions

Why this matters

Performance issues directly impact user engagement and conversion rates.

URL
div > a.home-ad-banner-item > div.home-ad-banner-item-content-container > img.home-ad-banner-item-logo div > a.home-ad-banner-item > div.home-ad-banner-item-content-container > img.home-ad-banner-item-logo
/imgextra/i1/O1CN01OM0NTj1JPfW2zGKsi_!!6000000001021-2-tp...
div > a.home-ad-banner-item > div.home-ad-banner-item-content-container > img.home-ad-banner-item-logo div > a.home-ad-banner-item > div.home-ad-banner-item-content-container > img.home-ad-banner-item-logo
/imgextra/i1/O1CN01OM0NTj1JPfW2zGKsi_!!6000000001021-2-tp...
div > a.home-ad-banner-item > div.home-ad-banner-item-content-container > img.home-ad-banner-item-logo div > a.home-ad-banner-item > div.home-ad-banner-item-content-container > img.home-ad-banner-item-logo
/imgextra/i4/O1CN013fOEoF1PFwnqJPNL2_!!6000000001812-2-tp...
div > a.home-ad-banner-item > div.home-ad-banner-item-content-container > img.home-ad-banner-item-logo div > a.home-ad-banner-item > div.home-ad-banner-item-content-container > img.home-ad-banner-item-logo
/imgextra/i4/O1CN013fOEoF1PFwnqJPNL2_!!6000000001812-2-tp...
div > a.home-ad-banner-item > div.home-ad-banner-item-content-container > img.home-ad-banner-item-logo div > a.home-ad-banner-item > div.home-ad-banner-item-content-container > img.home-ad-banner-item-logo
/imgextra/i4/O1CN013fOEoF1PFwnqJPNL2_!!6000000001812-2-tp...
div > a.home-ad-banner-item > div.home-ad-banner-item-content-container > img.home-ad-banner-item-logo div > a.home-ad-banner-item > div.home-ad-banner-item-content-container > img.home-ad-banner-item-logo
/imgextra/i4/O1CN013fOEoF1PFwnqJPNL2_!!6000000001812-2-tp...
div > a.home-ad-banner-item > div.home-ad-banner-item-content-container > img.home-ad-banner-item-logo div > a.home-ad-banner-item > div.home-ad-banner-item-content-container > img.home-ad-banner-item-logo
/imgextra/i4/O1CN013fOEoF1PFwnqJPNL2_!!6000000001812-2-tp...
div > a.home-ad-banner-item > div.home-ad-banner-item-content-container > img.home-ad-banner-item-logo div > a.home-ad-banner-item > div.home-ad-banner-item-content-container > img.home-ad-banner-item-logo
/imgextra/i4/O1CN013fOEoF1PFwnqJPNL2_!!6000000001812-2-tp...
div > a.home-ad-banner-item > div.home-ad-banner-item-content-container > img.home-ad-banner-item-logo div > a.home-ad-banner-item > div.home-ad-banner-item-content-container > img.home-ad-banner-item-logo
/imgextra/i4/O1CN013fOEoF1PFwnqJPNL2_!!6000000001812-2-tp...
div > a.home-ad-banner-item > div.home-ad-banner-item-content-container > img.home-ad-banner-item-logo div > a.home-ad-banner-item > div.home-ad-banner-item-content-container > img.home-ad-banner-item-logo
/imgextra/i4/O1CN013fOEoF1PFwnqJPNL2_!!6000000001812-2-tp...
div > a.home-ad-banner-item > div.home-ad-banner-item-content-container > img.home-ad-banner-item-logo div > a.home-ad-banner-item > div.home-ad-banner-item-content-container > img.home-ad-banner-item-logo
/imgextra/i4/O1CN013fOEoF1PFwnqJPNL2_!!6000000001812-2-tp...
a.business-entry-title-card-top > div.business-entry-title-card-top-title-container > div.business-entry-title-card-top-title-tag > img a.business-entry-title-card-top > div.business-entry-title-card-top-title-container > div.business-entry-title-card-top-title-tag > img
/imgextra/i2/O1CN01RgnvHh1UWxV6YWcSB_!!6000000002526-2-tp...
a.business-entry-title-card-top > div.business-entry-title-card-top-title-container > div.business-entry-title-card-top-title-tag > img a.business-entry-title-card-top > div.business-entry-title-card-top-title-container > div.business-entry-title-card-top-title-tag > img
/imgextra/i3/O1CN01PDJRyD1GWaWxkjNtj_!!6000000000630-2-tp...
div.tb-toolkit-list > div.toolkit-item-new > div.toolkit-icon > img.im-icon-new div.tb-toolkit-list > div.toolkit-item-new > div.toolkit-icon > img.im-icon-new
/imgextra/i1/O1CN010mCfxI1mzVG35w6Zf_!!6000000005025-2-tp...
div.info-wrapper > div.info-wrapper-title > div.info-wrapper-title-img > img div.info-wrapper > div.info-wrapper-title > div.info-wrapper-title-img > img
/imgextra/jz3_1/O1CN01nRidmm1UAVxdcYMzF_!!6000000002477-2...
div.info-wrapper > div.info-wrapper-title > div.info-wrapper-title-img > img div.info-wrapper > div.info-wrapper-title > div.info-wrapper-title-img > img
/imgextra/jz3_1/O1CN01nRidmm1UAVxdcYMzF_!!6000000002477-2...
div.info-wrapper > div.info-wrapper-title > div.info-wrapper-title-img > img div.info-wrapper > div.info-wrapper-title > div.info-wrapper-title-img > img
/imgextra/jz3_1/O1CN01nRidmm1UAVxdcYMzF_!!6000000002477-2...
div.info-wrapper > div.info-wrapper-title > div.info-wrapper-title-img > img div.info-wrapper > div.info-wrapper-title > div.info-wrapper-title-img > img
/imgextra/jz3_1/O1CN01nRidmm1UAVxdcYMzF_!!6000000002477-2...
div.info-wrapper > div.info-wrapper-title > div.info-wrapper-title-img > img div.info-wrapper > div.info-wrapper-title > div.info-wrapper-title-img > img
/imgextra/jz3_1/O1CN01nRidmm1UAVxdcYMzF_!!6000000002477-2...
div.info-wrapper > div.info-wrapper-title > div.info-wrapper-title-img > img div.info-wrapper > div.info-wrapper-title > div.info-wrapper-title-img > img
/imgextra/jz3_1/O1CN01nRidmm1UAVxdcYMzF_!!6000000002477-2...
div.info-wrapper > div.info-wrapper-title > div.info-wrapper-title-img > img div.info-wrapper > div.info-wrapper-title > div.info-wrapper-title-img > img
/imgextra/jz3_1/O1CN01nRidmm1UAVxdcYMzF_!!6000000002477-2...
div.info-wrapper > div.info-wrapper-title > div.info-wrapper-title-img > img div.info-wrapper > div.info-wrapper-title > div.info-wrapper-title-img > img
/imgextra/jz3_1/O1CN01nRidmm1UAVxdcYMzF_!!6000000002477-2...
a.business-entry-title-card-top > div.business-entry-title-card-top-title-container > div.business-entry-title-card-top-title-tag > img a.business-entry-title-card-top > div.business-entry-title-card-top-title-container > div.business-entry-title-card-top-title-tag > img
/imgextra/i3/O1CN01MqUQtu1rAjRqET2Uc_!!6000000005591-2-tp...
div.business-entry-title-card-top-title-container > div.business-entry-title-card-top-title-rtl > div.business-entry-title-card-top-title-tag-left > img div.business-entry-title-card-top-title-container > div.business-entry-title-card-top-title-rtl > div.business-entry-title-card-top-title-tag-left > img
/imgextra/i4/O1CN01WSiIlS1nPbrTgnLCs_!!6000000005082-2-tp...

More information about the performance of your application. These numbers don't directly affect the Performance score.

●Layout shift culprits
●Optimize DOM size
●Modern HTTP
●Optimize viewport for mobile
●Minify CSS
●User Timing marks and measures 1 user timing
●Avoid long main-thread tasks 20 long tasks found
●Avoid non-composited animations 8 animated elements found
●Network Requests
●Network Round Trip Times 270 ms
●Server Backend Latencies 290 ms
●Tasks
●Diagnostics
●Metrics
●Screenshot Thumbnails
●Final Screenshot
●Script Treemap Data
●Resources Summary
●Initial server response time was short Root document took 10 ms
●Avoid large layout shifts 8 layout shifts found
○INP breakdown
76

Accessibility

These checks highlight opportunities to improve the accessibility of your web app. Automatic detection can only detect a subset of issues and does not guarantee the accessibility of your web app, so manual testing is also encouraged.

ARIA

Some ARIA roles have required attributes that describe the state of the element to screen readers. Learn more about roles and required attributes.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
请输入搜索文字 div#J_Search > form#J_TSearchForm > div.search-suggest-combobox > input#q

ARIA roles must have valid values in order to perform their intended accessibility functions. Learn more about valid ARIA roles.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
欢迎进入 淘宝,盲人用户使用操作智能引导，请按快捷键Ctrl+Alt+R；阅读详细操作说明请按快捷键Ctrl+Alt+问号键。 body.lg > a#ariaTipText

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Contrast

Low-contrast text is difficult or impossible for many users to read. Learn how to provide sufficient color contrast.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
亲，请登录 li#J_SiteNavLogin > div.site-nav-menu-hd > div.site-nav-sign > a.h
券后7.7折起 ul.service-bd--LdDnWwA9 > li.J_Cat > div.first-cate-container--odleAL9p > a.cate-content-href--HI8wwRts
抢省钱补贴 ul.service-bd--LdDnWwA9 > li.J_Cat > div.first-cate-container--odleAL9p > a.cate-content-href--HI8wwRts
7198 div.business-entry-item-card-content-container > a.business-entry-item-card-content > div.business-entry-item-card-content-coin > span
7999 div.business-entry-item-card-content-container > a.business-entry-item-card-content > div.business-entry-item-card-content-coin > span
4399 div.business-entry-item-card-content-container > a.business-entry-item-card-content > div.business-entry-item-card-content-coin > span
24298 div.business-entry-item-card-content-container > a.business-entry-item-card-content > div.business-entry-item-card-content-coin > span
国家补贴 a.business-entry-title-card-top > div.business-entry-title-card-top-title-container > div.business-entry-title-card-top-title-rtl > div.business-entry-title-card-top-title
27999 div.business-entry-item-card-content-container > a.business-entry-item-card-content > div.business-entry-item-card-content-coin > span
6999 div.business-entry-item-card-content-container > a.business-entry-item-card-content > div.business-entry-item-card-content-coin > span
嘿！更懂你的推荐，更便捷的搜索 div.user > div.member-ft > div.member-logout > div.login-guide-desc
立即登录 div.user > div.member-ft > div.member-logout > a.btn-login
猜你喜欢 div.smallTabListScrollContainer > div.smallTabList > div.smallTabWrapper > div.smallTabTitle
天猫 div.seo > div > p > a
商品 div.seo > div > p > a
newbalance div.seo > div > p > a
converse div.seo > div > p > a
adidas div.seo > div > p > a
nike div.seo > div > p > a
oppo div.seo > div > p > a
vivo div.seo > div > p > a
电脑 div.seo > div > p > a
音响 div.seo > div > p > a
手机 div.seo > div > p > a
商品 div.seo > div > p > a
淘宝客户端 div.seo > div > p > a
Tao div.seo > div > p > a

These are opportunities to improve the legibility of your content.

Names and labels

Informative elements should aim for short, descriptive alternate text. Decorative elements can be ignored with an empty alt attribute. Learn more about the `alt` attribute.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
body.lg > div#ice-container > div.J_Module > img.superbanner-background-image--GhTuMTaG body.lg > div#ice-container > div.J_Module > img.superbanner-background-image--GhTuMTaG
div > a.home-ad-banner-item > div.home-ad-banner-item-content-container > img.home-ad-banner-item-logo div > a.home-ad-banner-item > div.home-ad-banner-item-content-container > img.home-ad-banner-item-logo
div.business-entry-item-card-content-container > a.business-entry-item-card-content > div.business-entry-item-card-content-container-image > img div.business-entry-item-card-content-container > a.business-entry-item-card-content > div.business-entry-item-card-content-container-image > img
div.business-entry-item-card-content-container > a.business-entry-item-card-content > div.business-entry-item-card-content-container-image > img div.business-entry-item-card-content-container > a.business-entry-item-card-content > div.business-entry-item-card-content-container-image > img
div.business-entry-item-card-content-container > a.business-entry-item-card-content > div.business-entry-item-card-content-container-image > img div.business-entry-item-card-content-container > a.business-entry-item-card-content > div.business-entry-item-card-content-container-image > img
div.business-entry-item-card-content-container > a.business-entry-item-card-content > div.business-entry-item-card-content-container-image > img div.business-entry-item-card-content-container > a.business-entry-item-card-content > div.business-entry-item-card-content-container-image > img
div.business-entry-item-card-content-container > a.business-entry-item-card-content > div.business-entry-item-card-content-container-image > img div.business-entry-item-card-content-container > a.business-entry-item-card-content > div.business-entry-item-card-content-container-image > img
div.business-entry-item-card-content-container > a.business-entry-item-card-content > div.business-entry-item-card-content-container-image > img div.business-entry-item-card-content-container > a.business-entry-item-card-content > div.business-entry-item-card-content-container-image > img
div.business-entry-item-card-content-container > a.business-entry-item-card-content > div.business-entry-item-card-content-container-image > img div.business-entry-item-card-content-container > a.business-entry-item-card-content > div.business-entry-item-card-content-container-image > img
div.business-entry-item-card-content-container > a.business-entry-item-card-content > div.business-entry-item-card-content-container-image > img div.business-entry-item-card-content-container > a.business-entry-item-card-content > div.business-entry-item-card-content-container-image > img
div.business-entry-item-card-content-container > a.business-entry-item-card-content > div.business-entry-item-card-content-container-image > img div.business-entry-item-card-content-container > a.business-entry-item-card-content > div.business-entry-item-card-content-container-image > img
div.business-entry-item-card-content-container > a.business-entry-item-card-content > div.business-entry-item-card-content-container-image > img div.business-entry-item-card-content-container > a.business-entry-item-card-content > div.business-entry-item-card-content-container-image > img
div.business-entry-item-card-content-container > a.business-entry-item-card-content > div.business-entry-item-card-content-container-image > img div.business-entry-item-card-content-container > a.business-entry-item-card-content > div.business-entry-item-card-content-container-image > img
div.business-entry-item-card-content-container > a.business-entry-item-card-content > div.business-entry-item-card-content-container-image > img div.business-entry-item-card-content-container > a.business-entry-item-card-content > div.business-entry-item-card-content-container-image > img
div.tips-carousel > div.tips-content > div.carousel-images > img.carousel-image div.tips-carousel > div.tips-content > div.carousel-images > img.carousel-image
div.tips-carousel > div.tips-content > div.carousel-images > img.carousel-image div.tips-carousel > div.tips-content > div.carousel-images > img.carousel-image
div.tips-carousel > div.tips-content > div.carousel-images > img.carousel-image div.tips-carousel > div.tips-content > div.carousel-images > img.carousel-image
div.tips-carousel > div.tips-content > div.carousel-images > img.carousel-image div.tips-carousel > div.tips-content > div.carousel-images > img.carousel-image
div.tips-carousel > div.tips-content > div.carousel-images > img.carousel-image div.tips-carousel > div.tips-content > div.carousel-images > img.carousel-image
div.tips-carousel > div.tips-content > div.carousel-images > img.carousel-image div.tips-carousel > div.tips-content > div.carousel-images > img.carousel-image
div.tbpc-layout > div.tips-carousel > div.tips-content > img.tip-arrow div.tbpc-layout > div.tips-carousel > div.tips-content > img.tip-arrow
div.smallTabListScrollContainer > div.smallTabList > div.smallTabWrapper > img.smallTabIcon div.smallTabListScrollContainer > div.smallTabList > div.smallTabWrapper > img.smallTabIcon
div.smallTabListScrollContainer > div.smallTabList > div.smallTabWrapper > img.smallTabIcon div.smallTabListScrollContainer > div.smallTabList > div.smallTabWrapper > img.smallTabIcon
div.smallTabListScrollContainer > div.smallTabList > div.smallTabWrapper > img.smallTabIcon div.smallTabListScrollContainer > div.smallTabList > div.smallTabWrapper > img.smallTabIcon
div.smallTabListScrollContainer > div.smallTabList > div.smallTabWrapper > img.smallTabIcon div.smallTabListScrollContainer > div.smallTabList > div.smallTabWrapper > img.smallTabIcon
div.smallTabListScrollContainer > div.smallTabList > div.smallTabWrapper > img.smallTabIcon div.smallTabListScrollContainer > div.smallTabList > div.smallTabWrapper > img.smallTabIcon
div.smallTabListScrollContainer > div.smallTabList > div.smallTabWrapper > img.smallTabIcon div.smallTabListScrollContainer > div.smallTabList > div.smallTabWrapper > img.smallTabIcon
div.smallTabListScrollContainer > div.smallTabList > div.smallTabWrapper > img.smallTabIcon div.smallTabListScrollContainer > div.smallTabList > div.smallTabWrapper > img.smallTabIcon
div.smallTabListScrollContainer > div.smallTabList > div.smallTabWrapper > img.smallTabIcon div.smallTabListScrollContainer > div.smallTabList > div.smallTabWrapper > img.smallTabIcon
div.tb-pick-content-item > a.item-link > div.img-wrapper > img.product-img div.tb-pick-content-item > a.item-link > div.img-wrapper > img.product-img
div.info-wrapper > div.info-wrapper-title > div.info-wrapper-title-img > img div.info-wrapper > div.info-wrapper-title > div.info-wrapper-title-img > img
div.tb-pick-content-item > a.item-link > div.img-wrapper > img.product-img div.tb-pick-content-item > a.item-link > div.img-wrapper > img.product-img
div.tb-pick-content-item > a.item-link > div.img-wrapper > img.product-img div.tb-pick-content-item > a.item-link > div.img-wrapper > img.product-img
div.info-wrapper > div.info-wrapper-title > div.info-wrapper-title-img > img div.info-wrapper > div.info-wrapper-title > div.info-wrapper-title-img > img
div.tb-pick-content-item > a.item-link > div.img-wrapper > img.product-img div.tb-pick-content-item > a.item-link > div.img-wrapper > img.product-img
div.info-wrapper > div.info-wrapper-title > div.info-wrapper-title-img > img div.info-wrapper > div.info-wrapper-title > div.info-wrapper-title-img > img
div.tb-pick-content-item > a.item-link > div.img-wrapper > img.product-img div.tb-pick-content-item > a.item-link > div.img-wrapper > img.product-img
div.tb-pick-content-item > a.item-link > div.img-wrapper > img.product-img div.tb-pick-content-item > a.item-link > div.img-wrapper > img.product-img
div.tb-pick-content-item > a.item-link > div.img-wrapper > img.product-img div.tb-pick-content-item > a.item-link > div.img-wrapper > img.product-img
div.info-wrapper > div.info-wrapper-title > div.info-wrapper-title-img > img div.info-wrapper > div.info-wrapper-title > div.info-wrapper-title-img > img
div.tb-pick-content-item > a.item-link > div.img-wrapper > img.product-img div.tb-pick-content-item > a.item-link > div.img-wrapper > img.product-img
div.tb-pick-content-item > a.item-link > div.img-wrapper > img.product-img div.tb-pick-content-item > a.item-link > div.img-wrapper > img.product-img
div.tb-pick-content-item > a.item-link > div.img-wrapper > img.product-img div.tb-pick-content-item > a.item-link > div.img-wrapper > img.product-img
div.tb-pick-content-item > a.item-link > div.img-wrapper > img.product-img div.tb-pick-content-item > a.item-link > div.img-wrapper > img.product-img
div.tb-pick-content-item > a.item-link > div.img-wrapper > img.product-img div.tb-pick-content-item > a.item-link > div.img-wrapper > img.product-img
div.info-wrapper > div.info-wrapper-title > div.info-wrapper-title-img > img div.info-wrapper > div.info-wrapper-title > div.info-wrapper-title-img > img
div.tb-pick-content-item > a.item-link > div.img-wrapper > img.product-img div.tb-pick-content-item > a.item-link > div.img-wrapper > img.product-img
div.info-wrapper > div.info-wrapper-title > div.info-wrapper-title-img > img div.info-wrapper > div.info-wrapper-title > div.info-wrapper-title-img > img
div.tb-pick-content-item > a.item-link > div.img-wrapper > img.product-img div.tb-pick-content-item > a.item-link > div.img-wrapper > img.product-img
div.info-wrapper > div.info-wrapper-title > div.info-wrapper-title-img > img div.info-wrapper > div.info-wrapper-title > div.info-wrapper-title-img > img
div.tb-pick-content-item > a.item-link > div.img-wrapper > img.product-img div.tb-pick-content-item > a.item-link > div.img-wrapper > img.product-img
div.info-wrapper > div.info-wrapper-title > div.info-wrapper-title-img > img div.info-wrapper > div.info-wrapper-title > div.info-wrapper-title-img > img
div.tb-pick-content-item > a.item-link > div.img-wrapper > img.product-img div.tb-pick-content-item > a.item-link > div.img-wrapper > img.product-img
div.tb-pick-content-item > a.item-link > div.img-wrapper > img.product-img div.tb-pick-content-item > a.item-link > div.img-wrapper > img.product-img
div.tb-pick-content-item > a.item-link > div.img-wrapper > img.product-img div.tb-pick-content-item > a.item-link > div.img-wrapper > img.product-img
div.tb-toolkit-list > div.toolkit-item-new > div.toolkit-icon > img.im-icon-new div.tb-toolkit-list > div.toolkit-item-new > div.toolkit-icon > img.im-icon-new
body.lg > div.J_MIDDLEWARE_FRAME_WIDGET > img body.lg > div.J_MIDDLEWARE_FRAME_WIDGET > img
body.lg > div.J_MIDDLEWARE_FRAME_WIDGET > img body.lg > div.J_MIDDLEWARE_FRAME_WIDGET > img

Screen reader users rely on frame titles to describe the contents of frames. Learn more about frame titles.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
body.lg > div.J_MIDDLEWARE_FRAME_WIDGET > iframe body.lg > div.J_MIDDLEWARE_FRAME_WIDGET > iframe
body.lg > div.J_MIDDLEWARE_FRAME_WIDGET > iframe body.lg > div.J_MIDDLEWARE_FRAME_WIDGET > iframe

Link text (and alternate text for images, when used as links) that is discernible, unique, and focusable improves the navigation experience for screen reader users. Learn how to make links accessible.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
body.lg > div#ice-container > div.J_Module > a.superbanner-inner body.lg > div#ice-container > div.J_Module > a.superbanner-inner
淘宝网 div.tbh-logo > div.logo > h1 > a.logo-bd
div.user > div.J_UserMemberWrap > div.avatar-wrapper > a.J_UserMemberHome div.user > div.J_UserMemberWrap > div.avatar-wrapper > a.J_UserMemberHome
div.slick-slide > div > div > a.user-externalLink-slider-item div.slick-slide > div > div > a.user-externalLink-slider-item
div#tb-toolkit-new > div.tb-toolkit-list > div.toolkit-item-new > a div#tb-toolkit-new > div.tb-toolkit-list > div.toolkit-item-new > a
div#tb-toolkit-new > div.tb-toolkit-list > div.toolkit-item-new > a div#tb-toolkit-new > div.tb-toolkit-list > div.toolkit-item-new > a
div#tb-toolkit-new > div.tb-toolkit-list > div.toolkit-item-new > a div#tb-toolkit-new > div.tb-toolkit-list > div.toolkit-item-new > a
div#tb-toolkit-new > div.tb-toolkit-list > div.toolkit-item-new > a div#tb-toolkit-new > div.tb-toolkit-list > div.toolkit-item-new > a
div#tb-toolkit-new > div.tb-toolkit-list > div.toolkit-item-new > a div#tb-toolkit-new > div.tb-toolkit-list > div.toolkit-item-new > a

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

Best practices

Touch targets with sufficient size and spacing help users who may have difficulty targeting small controls to activate the targets. Learn more about touch targets.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
1 div.slick-slider > ul.slick-dots > li > button
2 div.slick-slider > ul.slick-dots > li > button
3 div.slick-slider > ul.slick-dots > li.slick-active > button
4 div.slick-slider > ul.slick-dots > li > button
5 div.slick-slider > ul.slick-dots > li > button
注册 div.user > div.J_UserMemberWrap > div.member-login-btn-container > a.btn-register
开店 div.user > div.J_UserMemberWrap > div.member-login-btn-container > a.btn-open

These items highlight common accessibility best practices.

Visible text labels that do not match the accessible name can result in a confusing experience for screen reader users. Learn more about accessible names.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
券后7.7折起抢省钱补贴 div.tbh-service > div.J_Service > ul.service-bd--LdDnWwA9 > li.J_Cat
电脑配件办公文具 div.tbh-service > div.J_Service > ul.service-bd--LdDnWwA9 > li.J_Cat
工业品商业农业定制 div.tbh-service > div.J_Service > ul.service-bd--LdDnWwA9 > li.J_Cat
家电手机通信数码 div.tbh-service > div.J_Service > ul.service-bd--LdDnWwA9 > li.J_Cat
家具家装家居厨具 div.tbh-service > div.J_Service > ul.service-bd--LdDnWwA9 > li.J_Cat
女装男装内衣配饰 div.tbh-service > div.J_Service > ul.service-bd--LdDnWwA9 > li.J_Cat
女鞋男鞋运动户外 div.tbh-service > div.J_Service > ul.service-bd--LdDnWwA9 > li.J_Cat
汽车珠宝文玩箱包 div.tbh-service > div.J_Service > ul.service-bd--LdDnWwA9 > li.J_Cat
食品鲜花酒水健康 div.tbh-service > div.J_Service > ul.service-bd--LdDnWwA9 > li.J_Cat
母婴童装玩具宠物 div.tbh-service > div.J_Service > ul.service-bd--LdDnWwA9 > li.J_Cat
○Interactive controls are keyboard focusable
○Interactive elements indicate their purpose and state
○The page has a logical tab order
○Visual order on the page follows DOM order
○User focus is not accidentally trapped in a region
○The user's focus is directed to new content added to the page
○HTML5 landmark elements are used to improve navigation
○Offscreen content is hidden from assistive technology
○Custom controls have associated labels
○Custom controls have ARIA roles
●`[aria-*]` attributes match their roles
●`[aria-hidden="true"]` is not present on the document `<body>`
●Elements with an ARIA `[role]` that require children to contain a specific `[role]` have all required children.
●`[role]`s are contained by their required parent element
●`[aria-*]` attributes have valid values
●`[aria-*]` attributes are valid and not misspelled
●Buttons have an accessible name
●Form elements have associated labels
●`[user-scalable="no"]` is not used in the `<meta name="viewport">` element and the `[maximum-scale]` attribute is not less than 5.
●`[accesskey]` values are unique
●`button`, `link`, and `menuitem` elements have accessible names
●ARIA attributes are used as specified for the element's role
●`[aria-hidden="true"]` elements do not contain focusable descendents
●Elements use only permitted ARIA attributes
●Document has a `<title>` element
●`<html>` element has a `[lang]` attribute
●`<html>` element has a valid value for its `[lang]` attribute
●Links are distinguishable without relying on color.
●Lists contain only `<li>` elements and script supporting elements (`<script>` and `<template>`).
●List items (`<li>`) are contained within `<ul>`, `<ol>` or `<menu>` parent elements
●No element has a `[tabindex]` value greater than 0
●Heading elements appear in a sequentially-descending order
●Document has a main landmark.
●Deprecated ARIA roles were not used
●Uses ARIA roles only on compatible elements
●Image elements do not have `[alt]` attributes that are redundant text.
●Identical links have the same purpose.
○Elements with `role="dialog"` or `role="alertdialog"` have accessible names.
○ARIA input fields have accessible names
○ARIA `meter` elements have accessible names
○ARIA `progressbar` elements have accessible names
○Elements with the `role=text` attribute do not have focusable descendents.
○ARIA toggle fields have accessible names
○ARIA `tooltip` elements have accessible names
○ARIA `treeitem` elements have accessible names
○The page contains a heading, skip link, or landmark region
○`<dl>`'s contain only properly-ordered `<dt>` and `<dd>` groups, `<script>`, `<template>` or `<div>` elements.
○Definition list items are wrapped in `<dl>` elements
○ARIA IDs are unique
○No form fields have multiple labels
○`<html>` element has an `[xml:lang]` attribute with the same base language as the `[lang]` attribute.
○Input buttons have discernible text.
○`<input type="image">` elements have `[alt]` text
○The document does not use `<meta http-equiv="refresh">`
○`<object>` elements have alternate text
○Select elements have associated label elements.
○Skip links are focusable.
○Cells in a `<table>` element that use the `[headers]` attribute refer to table cells within the same table.
○`<th>` elements and elements with `[role="columnheader"/"rowheader"]` have data cells they describe.
○`[lang]` attributes have a valid value
○`<video>` elements contain a `<track>` element with `[kind="captions"]`
○Tables have different content in the summary attribute and `<caption>`.
○All heading elements contain content.
○Tables use `<caption>` instead of cells with the `[colspan]` attribute to indicate a caption.
○`<td>` elements in a large `<table>` have one or more table headers.
73

Best Practices

User Experience

Image display dimensions should match natural aspect ratio. Learn more about image aspect ratio.

Why this matters

Performance issues directly impact user engagement and conversion rates.

URLAspect Ratio (Displayed)Aspect Ratio (Actual)
div.tips-carousel > div.tips-content > div.carousel-images > img.carousel-image div.tips-carousel > div.tips-content > div.carousel-images > img.carousel-image
/bao/uploaded/i2/872777610/O1CN01wdbaCp265RC9HtuGQ~hdr~li...36 x 36 (1.00)270 x 360 (0.75)

General

Deprecated APIs will eventually be removed from the browser. Learn more about deprecated APIs.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Deprecation / WarningSource
Unload event listeners are deprecated and will be removed.
g.alicdn.com/AWSC/et/1.83.41/et_f.js line 1, col 263123

Errors logged to the console indicate unresolved problems. They can come from network request failures and other browser concerns. Learn more about this errors in console diagnostic audit

Why this matters

Performance issues directly impact user engagement and conversion rates.

SourceDescription
g.alicdn.com/AWSC/fireyejs/1.234.20/fireyejs.js
Permissions policy violation: accelerometer is not allowed in this document.
g.alicdn.com/AWSC/fireyejs/1.234.20/fireyejs.js
Permissions policy violation: accelerometer is not allowed in this document.
g.alicdn.com/AWSC/fireyejs/1.234.20/fireyejs.js
Permissions policy violation: accelerometer is not allowed in this document.
g.alicdn.com/AWSC/fireyejs/1.234.20/fireyejs.js
Permissions policy violation: accelerometer is not allowed in this document.
g.alicdn.com/AWSC/uab/1.140.0/collina.js line 1, col 28648
Permissions policy violation: accelerometer is not allowed in this document.
g.alicdn.com/AWSC/uab/1.140.0/collina.js line 1, col 28648
Permissions policy violation: accelerometer is not allowed in this document.
g.alicdn.com/AWSC/fireyejs/1.234.20/fireyejs.js
Uncaught TypeError: Failed to construct 'RTCPeerConnection': Please use the 'new' operator, this DOM object constructor cannot be called as a function.
g.alicdn.com/AWSC/fireyejs/1.234.20/fireyejs.js
Uncaught TypeError: Failed to construct 'RTCPeerConnection': Please use the 'new' operator, this DOM object constructor cannot be called as a function.

Source maps translate minified code to the original source code. This helps developers debug in production. In addition, Lighthouse is able to provide further insights. Consider deploying source maps to take advantage of these benefits. Learn more about source maps.

Why this matters

Performance issues directly impact user engagement and conversion rates.

URLMap URL
/h5/mtop.tmall.kangaroo.core.service.route.aldlampservice...
/h5/mtop.tmall.kangaroo.core.service.route.aldlampservice...
x.alicdn.com/vip/havana-nlogin/0.10.35/index.jssourcemap.def.alibaba-inc.com/sourcemap/vip/havana-nlogin/0.10.35/index.js.map
x.alicdn.com/vip/havana-nlogin/0.10.35/index.jssourcemap.def.alibaba-inc.com/sourcemap/vip/havana-nlogin/0.10.35/index.js.map
g.alicdn.com/main-search/new-search-suggest/2.14.1/bundle.jsg.alicdn.com/main-search/new-search-suggest/2.14.1/bundle.js.map
●Uses HTTPS
●Avoids third-party cookies
●Allows users to paste into input fields
●Avoids requesting the geolocation permission on page load
●Avoids requesting the notification permission on page load
●Serves images with appropriate resolution
●Page has the HTML doctype
●Properly defines charset
●No issues in the `Issues` panel in Chrome Devtools
●Ensure CSP is effective against XSS attacks
●Use a strong HSTS policy
●Ensure proper origin isolation with COOP
●Mitigate clickjacking with XFO or CSP
●Mitigate DOM-based XSS with Trusted Types
●Detected JavaScript libraries
○Redirects HTTP traffic to HTTPS
83

SEO

These checks ensure that your page is following basic search engine optimization advice. There are many additional factors Lighthouse does not score here that may affect your search ranking, including performance on Core Web Vitals. Learn more about Google Search Essentials.

Crawling and Indexing

Search engines may use `href` attributes on links to crawl websites. Ensure that the `href` attribute of anchor elements links to an appropriate destination, so more pages of the site can be discovered. Learn how to make links crawlable

Why this matters

Performance issues directly impact user engagement and conversion rates.

Uncrawlable Link
网页无障碍 ul#J_SiteNavBdL > li#J_SiteNavMobile > div.site-nav-menu-hd > a#cniil_wza
回顶部 div#tb-toolkit-new > div.tb-toolkit-list > div.toolkit-item-new > a.back-btn

To appear in search results, crawlers need access to your app.

Content Best Practices

Informative elements should aim for short, descriptive alternate text. Decorative elements can be ignored with an empty alt attribute. Learn more about the `alt` attribute.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
body.lg > div#ice-container > div.J_Module > img.superbanner-background-image--GhTuMTaG body.lg > div#ice-container > div.J_Module > img.superbanner-background-image--GhTuMTaG
div > a.home-ad-banner-item > div.home-ad-banner-item-content-container > img.home-ad-banner-item-logo div > a.home-ad-banner-item > div.home-ad-banner-item-content-container > img.home-ad-banner-item-logo
div.business-entry-item-card-content-container > a.business-entry-item-card-content > div.business-entry-item-card-content-container-image > img div.business-entry-item-card-content-container > a.business-entry-item-card-content > div.business-entry-item-card-content-container-image > img
div.business-entry-item-card-content-container > a.business-entry-item-card-content > div.business-entry-item-card-content-container-image > img div.business-entry-item-card-content-container > a.business-entry-item-card-content > div.business-entry-item-card-content-container-image > img
div.business-entry-item-card-content-container > a.business-entry-item-card-content > div.business-entry-item-card-content-container-image > img div.business-entry-item-card-content-container > a.business-entry-item-card-content > div.business-entry-item-card-content-container-image > img
div.business-entry-item-card-content-container > a.business-entry-item-card-content > div.business-entry-item-card-content-container-image > img div.business-entry-item-card-content-container > a.business-entry-item-card-content > div.business-entry-item-card-content-container-image > img
div.business-entry-item-card-content-container > a.business-entry-item-card-content > div.business-entry-item-card-content-container-image > img div.business-entry-item-card-content-container > a.business-entry-item-card-content > div.business-entry-item-card-content-container-image > img
div.business-entry-item-card-content-container > a.business-entry-item-card-content > div.business-entry-item-card-content-container-image > img div.business-entry-item-card-content-container > a.business-entry-item-card-content > div.business-entry-item-card-content-container-image > img
div.business-entry-item-card-content-container > a.business-entry-item-card-content > div.business-entry-item-card-content-container-image > img div.business-entry-item-card-content-container > a.business-entry-item-card-content > div.business-entry-item-card-content-container-image > img
div.business-entry-item-card-content-container > a.business-entry-item-card-content > div.business-entry-item-card-content-container-image > img div.business-entry-item-card-content-container > a.business-entry-item-card-content > div.business-entry-item-card-content-container-image > img
div.business-entry-item-card-content-container > a.business-entry-item-card-content > div.business-entry-item-card-content-container-image > img div.business-entry-item-card-content-container > a.business-entry-item-card-content > div.business-entry-item-card-content-container-image > img
div.business-entry-item-card-content-container > a.business-entry-item-card-content > div.business-entry-item-card-content-container-image > img div.business-entry-item-card-content-container > a.business-entry-item-card-content > div.business-entry-item-card-content-container-image > img
div.business-entry-item-card-content-container > a.business-entry-item-card-content > div.business-entry-item-card-content-container-image > img div.business-entry-item-card-content-container > a.business-entry-item-card-content > div.business-entry-item-card-content-container-image > img
div.business-entry-item-card-content-container > a.business-entry-item-card-content > div.business-entry-item-card-content-container-image > img div.business-entry-item-card-content-container > a.business-entry-item-card-content > div.business-entry-item-card-content-container-image > img
div.tips-carousel > div.tips-content > div.carousel-images > img.carousel-image div.tips-carousel > div.tips-content > div.carousel-images > img.carousel-image
div.tips-carousel > div.tips-content > div.carousel-images > img.carousel-image div.tips-carousel > div.tips-content > div.carousel-images > img.carousel-image
div.tips-carousel > div.tips-content > div.carousel-images > img.carousel-image div.tips-carousel > div.tips-content > div.carousel-images > img.carousel-image
div.tips-carousel > div.tips-content > div.carousel-images > img.carousel-image div.tips-carousel > div.tips-content > div.carousel-images > img.carousel-image
div.tips-carousel > div.tips-content > div.carousel-images > img.carousel-image div.tips-carousel > div.tips-content > div.carousel-images > img.carousel-image
div.tips-carousel > div.tips-content > div.carousel-images > img.carousel-image div.tips-carousel > div.tips-content > div.carousel-images > img.carousel-image
div.tbpc-layout > div.tips-carousel > div.tips-content > img.tip-arrow div.tbpc-layout > div.tips-carousel > div.tips-content > img.tip-arrow
div.smallTabListScrollContainer > div.smallTabList > div.smallTabWrapper > img.smallTabIcon div.smallTabListScrollContainer > div.smallTabList > div.smallTabWrapper > img.smallTabIcon
div.smallTabListScrollContainer > div.smallTabList > div.smallTabWrapper > img.smallTabIcon div.smallTabListScrollContainer > div.smallTabList > div.smallTabWrapper > img.smallTabIcon
div.smallTabListScrollContainer > div.smallTabList > div.smallTabWrapper > img.smallTabIcon div.smallTabListScrollContainer > div.smallTabList > div.smallTabWrapper > img.smallTabIcon
div.smallTabListScrollContainer > div.smallTabList > div.smallTabWrapper > img.smallTabIcon div.smallTabListScrollContainer > div.smallTabList > div.smallTabWrapper > img.smallTabIcon
div.smallTabListScrollContainer > div.smallTabList > div.smallTabWrapper > img.smallTabIcon div.smallTabListScrollContainer > div.smallTabList > div.smallTabWrapper > img.smallTabIcon
div.smallTabListScrollContainer > div.smallTabList > div.smallTabWrapper > img.smallTabIcon div.smallTabListScrollContainer > div.smallTabList > div.smallTabWrapper > img.smallTabIcon
div.smallTabListScrollContainer > div.smallTabList > div.smallTabWrapper > img.smallTabIcon div.smallTabListScrollContainer > div.smallTabList > div.smallTabWrapper > img.smallTabIcon
div.smallTabListScrollContainer > div.smallTabList > div.smallTabWrapper > img.smallTabIcon div.smallTabListScrollContainer > div.smallTabList > div.smallTabWrapper > img.smallTabIcon
div.tb-pick-content-item > a.item-link > div.img-wrapper > img.product-img div.tb-pick-content-item > a.item-link > div.img-wrapper > img.product-img
div.info-wrapper > div.info-wrapper-title > div.info-wrapper-title-img > img div.info-wrapper > div.info-wrapper-title > div.info-wrapper-title-img > img
div.tb-pick-content-item > a.item-link > div.img-wrapper > img.product-img div.tb-pick-content-item > a.item-link > div.img-wrapper > img.product-img
div.tb-pick-content-item > a.item-link > div.img-wrapper > img.product-img div.tb-pick-content-item > a.item-link > div.img-wrapper > img.product-img
div.info-wrapper > div.info-wrapper-title > div.info-wrapper-title-img > img div.info-wrapper > div.info-wrapper-title > div.info-wrapper-title-img > img
div.tb-pick-content-item > a.item-link > div.img-wrapper > img.product-img div.tb-pick-content-item > a.item-link > div.img-wrapper > img.product-img
div.info-wrapper > div.info-wrapper-title > div.info-wrapper-title-img > img div.info-wrapper > div.info-wrapper-title > div.info-wrapper-title-img > img
div.tb-pick-content-item > a.item-link > div.img-wrapper > img.product-img div.tb-pick-content-item > a.item-link > div.img-wrapper > img.product-img
div.tb-pick-content-item > a.item-link > div.img-wrapper > img.product-img div.tb-pick-content-item > a.item-link > div.img-wrapper > img.product-img
div.tb-pick-content-item > a.item-link > div.img-wrapper > img.product-img div.tb-pick-content-item > a.item-link > div.img-wrapper > img.product-img
div.info-wrapper > div.info-wrapper-title > div.info-wrapper-title-img > img div.info-wrapper > div.info-wrapper-title > div.info-wrapper-title-img > img
div.tb-pick-content-item > a.item-link > div.img-wrapper > img.product-img div.tb-pick-content-item > a.item-link > div.img-wrapper > img.product-img
div.tb-pick-content-item > a.item-link > div.img-wrapper > img.product-img div.tb-pick-content-item > a.item-link > div.img-wrapper > img.product-img
div.tb-pick-content-item > a.item-link > div.img-wrapper > img.product-img div.tb-pick-content-item > a.item-link > div.img-wrapper > img.product-img
div.tb-pick-content-item > a.item-link > div.img-wrapper > img.product-img div.tb-pick-content-item > a.item-link > div.img-wrapper > img.product-img
div.tb-pick-content-item > a.item-link > div.img-wrapper > img.product-img div.tb-pick-content-item > a.item-link > div.img-wrapper > img.product-img
div.info-wrapper > div.info-wrapper-title > div.info-wrapper-title-img > img div.info-wrapper > div.info-wrapper-title > div.info-wrapper-title-img > img
div.tb-pick-content-item > a.item-link > div.img-wrapper > img.product-img div.tb-pick-content-item > a.item-link > div.img-wrapper > img.product-img
div.info-wrapper > div.info-wrapper-title > div.info-wrapper-title-img > img div.info-wrapper > div.info-wrapper-title > div.info-wrapper-title-img > img
div.tb-pick-content-item > a.item-link > div.img-wrapper > img.product-img div.tb-pick-content-item > a.item-link > div.img-wrapper > img.product-img
div.info-wrapper > div.info-wrapper-title > div.info-wrapper-title-img > img div.info-wrapper > div.info-wrapper-title > div.info-wrapper-title-img > img
div.tb-pick-content-item > a.item-link > div.img-wrapper > img.product-img div.tb-pick-content-item > a.item-link > div.img-wrapper > img.product-img
div.info-wrapper > div.info-wrapper-title > div.info-wrapper-title-img > img div.info-wrapper > div.info-wrapper-title > div.info-wrapper-title-img > img
div.tb-pick-content-item > a.item-link > div.img-wrapper > img.product-img div.tb-pick-content-item > a.item-link > div.img-wrapper > img.product-img
div.tb-pick-content-item > a.item-link > div.img-wrapper > img.product-img div.tb-pick-content-item > a.item-link > div.img-wrapper > img.product-img
div.tb-pick-content-item > a.item-link > div.img-wrapper > img.product-img div.tb-pick-content-item > a.item-link > div.img-wrapper > img.product-img
div.tb-toolkit-list > div.toolkit-item-new > div.toolkit-icon > img.im-icon-new div.tb-toolkit-list > div.toolkit-item-new > div.toolkit-icon > img.im-icon-new
body.lg > div.J_MIDDLEWARE_FRAME_WIDGET > img body.lg > div.J_MIDDLEWARE_FRAME_WIDGET > img
body.lg > div.J_MIDDLEWARE_FRAME_WIDGET > img body.lg > div.J_MIDDLEWARE_FRAME_WIDGET > img

Format your HTML in a way that enables crawlers to better understand your app’s content.

○Structured data is valid
●Page isn’t blocked from indexing
●Document has a `<title>` element
●Document has a meta description
●Page has successful HTTP status code
●Links have descriptive text
●robots.txt is valid
●Document has a valid `hreflang`
○Document has a valid `rel=canonical`

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