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Lighthouse Desktop

· 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.

61

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.

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
昆明街头蓝花楹绽放 ul.swiper-wrapper > li.swiper-slide > a.home_banner > img.img_width
/n/news/1_img/upload/d8010f78/213/w2048h1365/20260422/2d5...411.9 KiB365.7 KiB
沈阳：浑河畔郁金香绽放 ul.swiper-wrapper > li.swiper-slide > a.home_banner > img.img_width
/n/news/1_img/upload/d8010f78/213/w2048h1365/20260422/3bc...392.0 KiB345.8 KiB
美国：温斯坦出庭受审 ul.swiper-wrapper > li.swiper-slide > a.home_banner > img.img_width
/n/news/1_img/upload/d8010f78/213/w2048h1365/20260422/c92...272.5 KiB226.3 KiB
section#j_card_tnews > div > section#j_card_yaowen > img.j_callST section#j_card_tnews > div > section#j_card_yaowen > img.j_callST
/default/transform/565/w1125h240/20260326/d97f-b02ad2d99c...227.6 KiB208.0 KiB
div.paper_feed_list > a.m_f_a_r > figure.m_f_div > img.img_width div.paper_feed_list > a.m_f_a_r > figure.m_f_div > img.img_width
/n/sinakd20260421s/220/w1276h544/20260421/fd59-5b39f6b4e8...200.9 KiB199.2 KiB
div.paper_feed_list > a.m_f_a_r > figure.m_f_div > img.img_width div.paper_feed_list > a.m_f_a_r > figure.m_f_div > img.img_width
/n/spider20260422/202/w600h402/20260422/a44a-2fa40a0f3e7f...187.2 KiB185.5 KiB
/n/news/1_img/upload/d8010f78/213/w2048h1365/20260422/5da...215.1 KiB168.9 KiB
美国：联合国秘书长候选人进行非正式对话 ul.swiper-wrapper > li.swiper-slide > a.home_banner > img.img_width
/n/news/1_img/upload/d8010f78/212/w2048h1364/20260422/47d...200.9 KiB154.7 KiB
div.cm_sw_scroll > div.cm_sw_content > figure.video_con_fig > img.img_width div.cm_sw_scroll > div.cm_sw_content > figure.video_con_fig > img.img_width
/n/sinakd20260414ac/533/w480h853/20260414/be1e-ac0b7f7212...91.4 KiB81.6 KiB
div.cm_sw_scroll > div.cm_sw_content > figure.video_con_fig > img.img_width div.cm_sw_scroll > div.cm_sw_content > figure.video_con_fig > img.img_width
/n/sinakd20260421ac/533/w480h853/20260421/18e2-3fa8e1f724...70.9 KiB61.0 KiB
div.cm_sw_scroll > div.cm_sw_content > figure.video_con_fig > img.img_width div.cm_sw_scroll > div.cm_sw_content > figure.video_con_fig > img.img_width
/n/sinakd20101/533/w480h853/20260422/0329-957e09212d1c1b2...64.7 KiB54.9 KiB
main.page_main > section#j_card_tnews > section#j_card_aichatBanner > img.j_callST main.page_main > section#j_card_tnews > section#j_card_aichatBanner > img.j_callST
/default/30/w690h140/20250522/4a65-2b15ce4f5acfcce37a17d1...67.2 KiB51.5 KiB
div.cm_sw_scroll > div.cm_sw_content > figure.video_con_fig > img.img_width div.cm_sw_scroll > div.cm_sw_content > figure.video_con_fig > img.img_width
/n/sinakd20260420ac/533/w480h853/20260420/d9bb-828d1ac9de...60.6 KiB50.8 KiB
div.hd_top_row > div.hd_top_row_template > nav.hd_set > a.hd_s_set div.hd_top_row > div.hd_top_row_template > nav.hd_set > a.hd_s_set
lupic.cdn.bcebos.com/20220601/3086864495_14_600_429.jpg37.8 KiB36.8 KiB
伊朗表示同意暂停军事战斗，但战争仍未结束 section#j_card_yaowen > a.template_v6 > figure.m_f_div > img.img_width
/n/default/transform/266/w640h426/20260422/15ad-500e569dc...35.2 KiB33.5 KiB
美伊极限拉扯 伊朗拒绝出席谈判 美国延长停火期限但维持海上封锁 section#j_card_yaowen > a.template_v6 > figure.m_f_div > img.img_width
/n/news/transform/266/w640h426/20260422/f657-9e26f7fc02a7...35.1 KiB33.4 KiB
联赛5连败！切尔西0-3布莱顿跌至第7先赛距前五7分 卡迪奥卢闪击 section.s_card_it > a.m_f_a_r > figure.m_f_div > img.img_width
/n/news/transform/266/w640h426/20260422/5e99-e6ce0051dd53...29.7 KiB28.0 KiB
名记：杜兰特这种伤常规赛得歇2-3周 他就算复出也不是100%状态 section.s_card_it > a.m_f_a_r > figure.m_f_div > img.img_width
/n/spider20260422/319/w2048h1471/20260422/3a54-efca904e40...28.9 KiB27.2 KiB
焦点赛事 section#j_card_tnews > section#j_card_sports > nav.two_nav > a.two_nav_a
lupic.cdn.bcebos.com/20211113/3085088243_18_600_335.jpg19.4 KiB9.8 KiB

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
mjs.sinaimg.cn/wap/project/homev8/9.0.80/homev8/static/css/homev8.min.css69.9 KiB281 ms
mjs.sinaimg.cn/umd/error-report/2.0.4/lib/index.min.js4.0 KiB

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
lupic.cdn.bcebos.com/20200412/3060080084_14_747_533.jpg8450.0 s78.2 KiB
lupic.cdn.bcebos.com/2025100714/3100651023_20.jpeg4265.0 s60.3 KiB
lupic.cdn.bcebos.com/2025071914/3100016016_14.jpeg102443.0 s118.8 KiB
lupic.cdn.bcebos.com/2025100714/3100651027_20.jpeg28214.0 s71.1 KiB
cpro.baidustatic.com/cpro/ui/cm.js3600.0 s38.8 KiB
lupic.cdn.bcebos.com/20220708/3086960543_14_561_400.jpg89650.0 s77.2 KiB
/native/delivery?68=Y2FsbGJhY2s9c2F4X2pzb25wQ2FsbGJhY2tfN...0.0 ms28.2 KiB
lupic.cdn.bcebos.com/20220601/3086864495_14_600_429.jpg11873.0 s38.4 KiB
/api/newspaper/data?source=sina_h5&_=1776813616145&callba...0.0 ms18.1 KiB
lupic.cdn.bcebos.com/2025100714/3100651031_20.jpeg135114.0 s50.0 KiB
/native/delivery?681361=Y2FsbGJhY2s9c2F4X2pzb25wQ2FsbGJhY...0.0 ms14.2 KiB
/api/v2/tianyi?cateid=sina_all&appver=7.40&mod=wsvideocar...0.0 ms14.0 KiB
/wap/delivery?17=Y2FsbGJhY2s9c2F4X2pzb25wQ2FsbGJhY2tfMCZh...0.0 ms7.6 KiB
lupic.cdn.bcebos.com/20220601/3086864493_20_600_301.jpg213355.0 s28.7 KiB
/native/delivery?776813=Y2FsbGJhY2s9c2F4X2pzb25wQ2FsbGJhY...0.0 ms7.2 KiB
lupic.cdn.bcebos.com/20211113/3085088243_18_600_335.jpg146239.0 s20.0 KiB
cpro.baidustatic.com/js/logo/js/logo.js3600.0 s6.3 KiB
lupic.cdn.bcebos.com/20220601/3086894789_23_600_262.jpg111583.0 s11.8 KiB
lupic.cdn.bcebos.com/static/wap_insert_screen_finger.png130576.0 s6.1 KiB
render-server.cdn.bcebos.com/static/images/spring_festival/ad-logo.png51598.0 s3.6 KiB
lupic.cdn.bcebos.com/20210629/2001667145_23.jpg190666.0 s6.0 KiB
/scam?di=u7011016&uuid=0873fac21c80cee6&dri=0&dis=11&dai=...0.0 ms1.6 KiB
/qcrm?di=u7011015&uuid=65d0522168591691&dri=0&dis=11&dai=...0.0 ms1.6 KiB
/gcfm?di=u7011014&uuid=cd38aa06d49c6efe&dri=0&dis=11&dai=...0.0 ms1.6 KiB
/icsm?di=u7011003&uuid=b9e6a5d31c6b6b5b&dri=0&dis=11&dai=...0.0 ms1.6 KiB
/gckm?di=u7011017&uuid=b5a99ac24918061e&dri=0&dis=11&dai=...0.0 ms1.6 KiB
/tcbm?di=u7011004&uuid=860fee5c92abd2af&dri=0&dis=11&dai=...0.0 ms1.6 KiB
/rcam?di=u7011018&uuid=16a73d414afbed5b&dri=0&dis=11&dai=...0.0 ms1.6 KiB
/ycpm?di=u7011005&uuid=2906cddcd836f033&dri=0&dis=11&dai=...0.0 ms1.6 KiB
/jclm?di=u7011082&uuid=d8fcbea3f344ea47&dri=0&dis=11&dai=...0.0 ms1.4 KiB
/fczm?di=u7011053&uuid=4c1106433f55f4bd&dri=0&dis=11&dai=...0.0 ms1.4 KiB
lupic.cdn.bcebos.com/static/wap_insert_screen_circle.png46992.0 s2.7 KiB
/static/images/20210525/d5443f3a0c9fe8456beb5f50eb08ed60.png12649.0 s1.2 KiB
cpro.baidustatic.com/js/time2.js3600.0 s1018 B
cpro.baidustatic.com/js/logo/css/logo-sm.css3600.0 s992 B
/adx.php?c=d25pZD1lNzAwOTQwMmMwZTI4ODRjAHM9ZTcwMDk0MDJjMG...0.0 ms464 B
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render-server.cdn.bcebos.com/static/images/spring_festival/ad-logo.png51598.0 s586 B
render-server.cdn.bcebos.com/static/images/spring_festival/ad-logo.png51598.0 s586 B
render-server.cdn.bcebos.com/static/images/spring_festival/ad-logo.png51598.0 s586 B
render-server.cdn.bcebos.com/static/images/spring_festival/ad-logo.png51598.0 s586 B
render-server.cdn.bcebos.com/static/images/spring_festival/ad-logo.png51598.0 s586 B
render-server.cdn.bcebos.com/static/images/spring_festival/ad-logo.png51598.0 s586 B
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/view?adunitid=PDPS000000057781&bidid=4c058986-3751-3076-...0.0 ms148 B
/native/delivery?768=Y2FsbGJhY2s9c2F4X2pzb25wQ2FsbGJhY2tf...0.0 ms137 B
cpro.baidustatic.com/cpro/ui/cm.js3600.0 s0 B
cpro.baidustatic.com/cpro/ui/cm.js3600.0 s0 B
cpro.baidustatic.com/cpro/ui/cm.js3600.0 s0 B
cpro.baidustatic.com/cpro/ui/cm.js3600.0 s0 B
cpro.baidustatic.com/cpro/ui/cm.js3600.0 s0 B
cpro.baidustatic.com/cpro/ui/cm.js3600.0 s0 B
cpro.baidustatic.com/cpro/ui/cm.js3600.0 s0 B
cpro.baidustatic.com/cpro/ui/cm.js3600.0 s0 B
cpro.baidustatic.com/cpro/ui/cm.js3600.0 s0 B
lupic.cdn.bcebos.com/20220601/3086864493_20_600_301.jpg213355.0 s0 B
cpro.baidustatic.com/js/logo/js/logo.js3600.0 s0 B
cpro.baidustatic.com/js/logo/js/logo.js3600.0 s0 B
cpro.baidustatic.com/js/logo/js/logo.js3600.0 s0 B
cpro.baidustatic.com/js/logo/js/logo.js3600.0 s0 B
lupic.cdn.bcebos.com/static/wap_insert_screen_finger.png130576.0 s0 B
lupic.cdn.bcebos.com/static/wap_insert_screen_finger.png130576.0 s0 B
lupic.cdn.bcebos.com/static/wap_insert_screen_finger.png130576.0 s0 B
lupic.cdn.bcebos.com/static/wap_insert_screen_finger.png130576.0 s0 B
lupic.cdn.bcebos.com/static/wap_insert_screen_finger.png130576.0 s0 B
lupic.cdn.bcebos.com/static/wap_insert_screen_finger.png130576.0 s0 B
lupic.cdn.bcebos.com/static/wap_insert_screen_finger.png130576.0 s0 B
cpro.baidustatic.com/js/logo/css/logo-sm.css3600.0 s0 B
cpro.baidustatic.com/js/logo/css/logo-sm.css3600.0 s0 B
cpro.baidustatic.com/js/logo/css/logo-sm.css3600.0 s0 B
cpro.baidustatic.com/js/logo/css/logo-sm.css3600.0 s0 B
cpro.baidustatic.com/js/logo/css/logo-sm.css3600.0 s0 B
cpro.baidustatic.com/js/logo/css/logo-sm.css3600.0 s0 B
cpro.baidustatic.com/js/logo/css/logo-sm.css3600.0 s0 B
cpro.baidustatic.com/js/logo/css/logo-sm.css3600.0 s0 B
cpro.baidustatic.com/js/logo/css/logo-sm.css3600.0 s0 B
cpro.baidustatic.com/js/time2.js3600.0 s0 B

HTTP/2 and HTTP/3 offer many benefits over HTTP/1.1, such as multiplexing. Learn more about using modern HTTP.

Why this matters

Performance issues directly impact user engagement and conversion rates.

URLProtocol
/scam?di=u7011016&uuid=0873fac21c80cee6&dri=0&dis=11&dai=...http/1.1
/qcrm?di=u7011015&uuid=65d0522168591691&dri=0&dis=11&dai=...http/1.1
/icsm?di=u7011003&uuid=b9e6a5d31c6b6b5b&dri=0&dis=11&dai=...http/1.1
/gcfm?di=u7011014&uuid=cd38aa06d49c6efe&dri=0&dis=11&dai=...http/1.1
/tcbm?di=u7011004&uuid=860fee5c92abd2af&dri=0&dis=11&dai=...http/1.1
/rcam?di=u7011018&uuid=16a73d414afbed5b&dri=0&dis=11&dai=...http/1.1
/fczm?di=u7011053&uuid=4c1106433f55f4bd&dri=0&dis=11&dai=...http/1.1
/ycpm?di=u7011005&uuid=2906cddcd836f033&dri=0&dis=11&dai=...http/1.1
/gckm?di=u7011017&uuid=b5a99ac24918061e&dri=0&dis=11&dai=...http/1.1
/jclm?di=u7011082&uuid=d8fcbea3f344ea47&dri=0&dis=11&dai=...http/1.1
/scam?conwid=725&conhei=100&rdid=7011016&dc=3&di=u7011016...http/1.1
/qcrm?conwid=725&conhei=100&rdid=7011015&dc=3&di=u7011015...http/1.1
/icsm?conwid=725&conhei=100&rdid=7011003&dc=3&di=u7011003...http/1.1
/gcfm?conwid=725&conhei=100&rdid=7011014&dc=3&di=u7011014...http/1.1
/tcbm?conwid=725&conhei=100&rdid=7011004&dc=3&di=u7011004...http/1.1
/rcam?conwid=725&conhei=100&rdid=7011018&dc=3&di=u7011018...http/1.1
/fczm?conwid=750&conhei=100&rdid=7011053&dc=3&di=u7011053...http/1.1
/ycpm?conwid=725&conhei=100&rdid=7011005&dc=3&di=u7011005...http/1.1
/gckm?conwid=725&conhei=100&rdid=7011017&dc=3&di=u7011017...http/1.1
/adx.php?c=d25pZD1lNzAwOTQwMmMwZTI4ODRjAHM9ZTcwMDk0MDJjMG...http/1.1
/adx.php?c=d25pZD0zNzBhMDViMmI1MGMwNzUzAHM9MzcwYTA1YjJiNT...http/1.1
/adx.php?c=d25pZD0wYTlmMmE3NzRmMWE2ZGYxAHM9MGE5ZjJhNzc0Zj...http/1.1
/adx.php?c=d25pZD00NmQ0ZWRlYTZmNjRiMDdhAHM9NDZkNGVkZWE2Zj...http/1.1
/adx.php?c=d25pZD1hYWY0YmYzOThhZGQ3MzE1AHM9YWFmNGJmMzk4YW...http/1.1
/adx.php?c=d25pZD1mZTU1MWQ2Zjc1Y2Y1MDJkAHM9ZmU1NTFkNmY3NW...http/1.1
/adx.php?c=d25pZD02MGE5YjdhYjliMGU1NGQ5AHM9NjBhOWI3YWI5Yj...http/1.1
/adx.php?c=d25pZD04ZTE3MTY3OGI5OTdmMzNhAHM9OGUxNzE2NzhiOT...http/1.1
/adx.php?c=d25pZD04ODVhZjFiOTAyYTMwODE4AHM9ODg1YWYxYjkwMm...http/1.1
/s.php?c=d25pZD02MGE5YjdhYjliMGU1NGQ5AHdpbl9kc3A9NAB0dT11...http/1.1
/jclm?conwid=423&conhei=752&rdid=7011082&dc=3&di=u7011082...http/1.1
/adx.php?c=d25pZD1kODZkOTE4MTZhNWM4ODVmAHM9ZDg2ZDkxODE2YT...http/1.1
/s.php?c=d25pZD1kODZkOTE4MTZhNWM4ODVmAHdpbl9kc3A9NAB0dT11...http/1.1
/se.jpg?type=baiduDomShowMonitor&tuidIndex=u7011003_0&ver...http/1.1
/se.jpg?type=baiduDomShowMonitor&tuidIndex=u7011004_0&ver...http/1.1
/se.jpg?type=baiduDomShowMonitor&tuidIndex=u7011016_0&ver...http/1.1
/se.jpg?type=baiduDomShowMonitor&tuidIndex=u7011015_0&ver...http/1.1
/se.jpg?type=baiduDomShowMonitor&tuidIndex=u7011014_0&ver...http/1.1
/se.jpg?type=baiduDomShowMonitor&tuidIndex=u7011082_0&ver...http/1.1
/se.jpg?type=baiduDomShowMonitor&tuidIndex=u7011018_0&ver...http/1.1
/se.jpg?type=baiduDomShowMonitor&tuidIndex=u7011053_0&ver...http/1.1
/se.jpg?type=iframeLoadStatus&result=u7011016_0_1_0_0&ver...http/1.1
/se.jpg?type=iframeLoadStatus&result=u7011015_0_1_0_0&ver...http/1.1
/se.jpg?type=iframeLoadStatus&result=u7011003_0_1_0_0&ver...http/1.1
/se.jpg?type=iframeLoadStatus&result=u7011014_0_1_0_0&ver...http/1.1
/se.jpg?type=iframeLoadStatus&result=u7011004_0_1_0_0&ver...http/1.1
/se.jpg?type=iframeLoadStatus&result=u7011018_0_1_0_0&ver...http/1.1
/se.jpg?type=baiduDomShowMonitor&tuidIndex=u7011005_0&ver...http/1.1
/se.jpg?type=iframeLoadStatus&result=u7011053_0_1_0_0&ver...http/1.1
/se.jpg?type=iframeLoadStatus&result=u7011005_0_1_0_0&ver...http/1.1
/se.jpg?type=iframeLoadStatus&result=u7011017_0_1_0_0&ver...http/1.1
/se.jpg?type=baiduDomShowMonitor&tuidIndex=u7011017_0&ver...http/1.1
/se.jpg?type=iframeLoadStatus&result=u7011082_0_1_0_0&ver...http/1.1

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

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

Diagnostics

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: 80 ms 55.4 KiB
URLTransfer SizeEst Savings
mjs.sinaimg.cn/wap/project/homev8/9.0.80/homev8/static/css/homev8.min.css69.0 KiB55.4 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: 520 ms 607.9 KiB
URLTransfer SizeEst Savings
mjs.sinaimg.cn/wap/project/homev8/9.0.80/homev8/static/js/homev8.min1.3 MiB585.2 KiB
mjs.sinaimg.cn/umd/base-tools-nph/1.1.24/index.min.js32.2 KiB22.7 KiB

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
mjs.sinaimg.cn/wap/project/homev8/9.0.80/homev8/static/js/homev8.min1.3 MiB
/n/news/1_img/upload/d8010f78/213/w2048h1365/20260422/2d5...413.0 KiB
/n/news/1_img/upload/d8010f78/213/w2048h1365/20260422/3bc...393.0 KiB
/n/news/1_img/upload/d8010f78/213/w2048h1365/20260422/c92...273.5 KiB
/default/transform/565/w1125h240/20260326/d97f-b02ad2d99c...228.8 KiB
/n/news/1_img/upload/d8010f78/213/w2048h1365/20260422/5da...216.1 KiB
/n/sinakd20260421s/220/w1276h544/20260421/fd59-5b39f6b4e8...201.8 KiB
/n/news/1_img/upload/d8010f78/212/w2048h1364/20260422/47d...201.8 KiB
/n/spider20260422/202/w600h402/20260422/a44a-2fa40a0f3e7f...188.0 KiB
lupic.cdn.bcebos.com/2025071914/3100016016_14.jpeg118.8 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
沈阳：浑河畔郁金香绽放 ul.swiper-wrapper > li.swiper-slide > a.home_banner > img.img_width
/n/news/1_img/upload/d8010f78/213/w2048h1365/20260422/3bc...
阿根廷：马拉多纳死因案庭审继续 ul.swiper-wrapper > li.swiper-slide > a.home_banner > img.img_width
/n/news/1_img/upload/d8010f78/213/w2048h1365/20260422/5da...
美国：温斯坦出庭受审 ul.swiper-wrapper > li.swiper-slide > a.home_banner > img.img_width
/n/news/1_img/upload/d8010f78/213/w2048h1365/20260422/c92...
昆明街头蓝花楹绽放 ul.swiper-wrapper > li.swiper-slide > a.home_banner > img.img_width
/n/news/1_img/upload/d8010f78/213/w2048h1365/20260422/2d5...
北京国子监紫藤花开 ul.swiper-wrapper > li.swiper-slide > a.home_banner > img.img_width
/n/news/1_img/upload/d8010f78/213/w2048h1365/20260422/f68...
沈阳：浑河畔郁金香绽放 ul.swiper-wrapper > li.swiper-slide > a.home_banner > img.img_width
/n/news/1_img/upload/d8010f78/213/w2048h1365/20260422/3bc...
阿根廷：马拉多纳死因案庭审继续 ul.swiper-wrapper > li.swiper-slide > a.home_banner > img.img_width
/n/news/1_img/upload/d8010f78/213/w2048h1365/20260422/5da...
美国：联合国秘书长候选人进行非正式对话 ul.swiper-wrapper > li.swiper-slide > a.home_banner > img.img_width
/n/news/1_img/upload/d8010f78/212/w2048h1364/20260422/47d...
section#j_card_tnews > div > section#j_card_yaowen > img.j_callST section#j_card_tnews > div > section#j_card_yaowen > img.j_callST
/default/transform/565/w1125h240/20260326/d97f-b02ad2d99c...
div.paper_feed_list > a.m_f_a_r > figure.m_f_div > img.img_width div.paper_feed_list > a.m_f_a_r > figure.m_f_div > img.img_width
/n/sinakd20260421s/220/w1276h544/20260421/fd59-5b39f6b4e8...
div.paper_feed_list > a.m_f_a_r > figure.m_f_div > img.img_width div.paper_feed_list > a.m_f_a_r > figure.m_f_div > img.img_width
/n/spider20260422/202/w600h402/20260422/a44a-2fa40a0f3e7f...
main.page_main > section#j_card_tnews > section#j_card_aichatBanner > img.j_callST main.page_main > section#j_card_tnews > section#j_card_aichatBanner > img.j_callST
/default/30/w690h140/20250522/4a65-2b15ce4f5acfcce37a17d1...
伊朗表示同意暂停军事战斗，但战争仍未结束 section#j_card_yaowen > a.template_v6 > figure.m_f_div > img.img_width
/n/default/transform/266/w640h426/20260422/15ad-500e569dc...
美伊极限拉扯 伊朗拒绝出席谈判 美国延长停火期限但维持海上封锁 section#j_card_yaowen > a.template_v6 > figure.m_f_div > img.img_width
/n/news/transform/266/w640h426/20260422/f657-9e26f7fc02a7...
联赛5连败！切尔西0-3布莱顿跌至第7先赛距前五7分 卡迪奥卢闪击 section.s_card_it > a.m_f_a_r > figure.m_f_div > img.img_width
/n/news/transform/266/w640h426/20260422/5e99-e6ce0051dd53...
名记：杜兰特这种伤常规赛得歇2-3周 他就算复出也不是100%状态 section.s_card_it > a.m_f_a_r > figure.m_f_div > img.img_width
/n/spider20260422/319/w2048h1471/20260422/3a54-efca904e40...
新浪移动_手机新浪网 div.hd_top_row > div.hd_top_row_template > a.icon_lg1 > img
n.sinaimg.cn/default/cf7470f9/20200121/sina2020.svg
section#j_card_tnews > section#j_card_morningEveningNews > div.paper_title > img.pager_title_logo section#j_card_tnews > section#j_card_morningEveningNews > div.paper_title > img.pager_title_logo
n.sinaimg.cn/default/2f73281b/20250619/paper_logo_morn.png
section.fl_qr_box > aside.qr_box > figure.qr_img > img.img_width section.fl_qr_box > aside.qr_box > figure.qr_img > img.img_width
section.fl_qr_box > aside.qr_box > figure.qr_img > img.img_width section.fl_qr_box > aside.qr_box > figure.qr_img > img.img_width
【新浪脉络】关注伊朗局势 section#j_card_yaowen > a.template_v6 > figure.m_f_div > img.img_width
直播：华为Pura系列及全场景新品发布会 section#j_card_yaowen > a.template_v6 > figure.m_f_div > img.img_width
谷爱凌：我越成功 就有越多人恨我 section#j_card_yaowen > a.template_v6 > figure.m_f_div > img.img_width
双色球开6注729万分落4地 福运奖开862万注 section#j_card_yaowen > a.template_v6 > figure.m_f_div > img.img_width
Shams：杜兰特热身后决定是否出战 队内消息人士相信他能上场！ section.s_card_it > a.m_f_a_r > figure.m_f_div > img.img_width
老鹰VS尼克斯裁判报告：最后时刻两次漏吹尼克斯犯规/违例 section.s_card_it > a.m_f_a_r > figure.m_f_div > img.img_width
备战G2！火箭官方更新今日训练照：杜兰特进行投篮训练 section.s_card_it > a.m_f_a_r > figure.m_f_div > img.img_width
这次能继续吗？詹姆斯生涯13次首轮1-0领先 全部晋级次轮 section.s_card_it > a.m_f_a_r > figure.m_f_div > img.img_width
文班下赛季球衣将带有DPOY专属补丁 部分补丁赛后将嵌入球星卡中 section.s_card_it > a.m_f_a_r > figure.m_f_div > img.img_width
打通通往观众的“最后一公里”（艺近人和） section.s_card_it > a.m_f_a_r > figure.m_f_div > img.img_width
流行音乐版权保护如何破局 section.s_card_it > a.m_f_a_r > figure.m_f_div > img.img_width
4部国产影片入围天坛奖 section.s_card_it > a.m_f_a_r > figure.m_f_div > img.img_width
《再回闽南》亮相漳州（侨乡新貌） section.s_card_it > a.m_f_a_r > figure.m_f_div > img.img_width
安徽微短剧 《我在霍山开民宿》喜获大奖 section.s_card_it > a.m_f_a_r > figure.m_f_div > img.img_width
黄景瑜徐若晗二搭新剧《明川有知夏》开机，孟子义李昀锐谭松韵董晴新剧同启 section.s_card_it > a.m_f_a_r > figure.m_f_div > img.img_width
爆款剧《唐朝诡事录》主创在爱奇艺世界大会现场直言：真人能演的剧，为什么非要AI做出假人来演？ section.s_card_it > a.m_f_a_r > figure.m_f_div > img.img_width
伊朗武装部队：若遭侵略 将立即以强大力量打击预定目标 section.s_card_it > a.m_f_a_r > figure.m_f_div > img.img_width
赖清德窜访不了了，三国突然取消飞航许可 section.s_card_it > a.m_f_a_r > figure.m_f_div > img.img_width
4月21日增减持汇总：唯捷创芯等8股拟减持，共达电声增持（表） section.s_card_it > a.m_f_a_r > figure.m_f_div > img.img_width
特朗普称预计停火到期后将继续轰炸伊朗 section.s_card_it > a.m_f_a_r > figure.m_f_div > img.img_width
爱奇艺AI艺人库争议背后：为何要推进，如何保证演员和观众权益？ section.s_card_it > a.m_f_a_r > figure.m_f_div > img.img_width
马斯克无视法国检方传唤，科技巨头与欧洲裂痕再加深 section.s_card_it > a.m_f_a_r > figure.m_f_div > img.img_width
苹果新任首席执行官约翰・特努斯是谁？ section.s_card_it > a.m_f_a_r > figure.m_f_div > img.img_width
词元超千倍裂变 从“烧钱”到“烧出价值”，产业“大考”已然开始 section.s_card_it > a.m_f_a_r > figure.m_f_div > img.img_width
知情人士：AI投入猛增，字节跳动2025年净利润下滑超70% section.s_card_it > a.m_f_a_r > figure.m_f_div > img.img_width
主流网页部署平台 Vercel 遭黑客入侵，第三方 AI 工具成攻击突破口 section.s_card_it > a.m_f_a_r > figure.m_f_div > img.img_width
雷军被人堵在车里维权引热议 小米高管回应后：网友感慨小米被黑的太狠了 section.s_card_it > a.m_f_a_r > figure.m_f_div > img.img_width
北京越野发布BJ40增程“珠峰山境”官方改装套件 section.s_card_it > a.m_f_a_r > figure.m_f_div > img.img_width
大众汽车集团媒体之夜：四款车型全球首秀 section.s_card_it > a.m_f_a_r > figure.m_f_div > img.img_width
17.98万元起售 2026款乐道L90正式上市 section.s_card_it > a.m_f_a_r > figure.m_f_div > img.img_width
中国长安汽车发布“1445”全球战略 锚定世界一流汽车集团目标 section.s_card_it > a.m_f_a_r > figure.m_f_div > img.img_width
奇瑞商用车DELIVAN欧洲首发 共赴零碳未来 section.s_card_it > a.m_f_a_r > figure.m_f_div > img.img_width
陶希哲出任上汽通用执行副总经理 康泽将圆满结束全球职业生涯 section.s_card_it > a.m_f_a_r > figure.m_f_div > img.img_width
北汽创新产品品鉴会 差异化产品破局市场 section.s_card_it > a.m_f_a_r > figure.m_f_div > img.img_width
橡树湾在售建面约73~148㎡的户型 section.s_card_it > a.m_f_a_r > figure.m_f_div > img.img_width
天恒京西悦府悦墅在售户型建面约96~135㎡ section.s_card_it > a.m_f_a_r > figure.m_f_div > img.img_width
法治护航 共沐书香 section.s_card_it > a.m_f_a_r > figure.m_f_div > img.img_width
人工智能时代基础教育需重点强化三大核心 section.s_card_it > a.m_f_a_r > figure.m_f_div > img.img_width
第五届全民阅读大会在南昌举办 section.s_card_it > a.m_f_a_r > figure.m_f_div > img.img_width
中国美术学院考级考点落户拉萨 section.s_card_it > a.m_f_a_r > figure.m_f_div > img.img_width
温州理工学院教育改革破题记 section.s_card_it > a.m_f_a_r > figure.m_f_div > img.img_width
“讲述我的育人故事”现场展示活动举行 section.s_card_it > a.m_f_a_r > figure.m_f_div > img.img_width
重磅发布：2026软科中国大学排名 section.s_card_it > a.m_f_a_r > figure.m_f_div > img.img_width
RNW如薇重磅发布学术汇刊，重构国人毛孔科学护理体系 section.s_card_it > a.m_f_a_r > figure.m_f_div > img.img_width
Soft Fit穿搭——以温柔一击回应春日的美好 section.s_card_it > a.m_f_a_r > figure.m_f_div > img.img_width
这身衣服能让你出片的下一秒就无缝衔接出现在健身房 section.s_card_it > a.m_f_a_r > figure.m_f_div > img.img_width
真正的顶流cp，时隔三十多年依旧在发力 section.s_card_it > a.m_f_a_r > figure.m_f_div > img.img_width
谁又被年代剧里的复古美学再一次狠狠击中了？ section.s_card_it > a.m_f_a_r > figure.m_f_div > img.img_width
联名、合作、官配、平替——时尚品牌有自己的恋综 section.s_card_it > a.m_f_a_r > figure.m_f_div > img.img_width
全球首款AI角色舱Dipal D1亮相英特尔发布会 section.s_card_it > a.m_f_a_r > figure.m_f_div > img.img_width
官宣：karrigan加盟Falcons section.s_card_it > a.m_f_a_r > figure.m_f_div > img.img_width
HyperX游戏家族全新亮相，发布2026新品，深化多场景游戏生态布局 section.s_card_it > a.m_f_a_r > figure.m_f_div > img.img_width
HARRISONWORLD 广州BGM参展回顾：多款游戏现场人气持续升温 section.s_card_it > a.m_f_a_r > figure.m_f_div > img.img_width
CS2 4月21日更新：animgraph_2更新实装至正式客户端 section.s_card_it > a.m_f_a_r > figure.m_f_div > img.img_width
新能源 nav.thir_nav_sp > a.thir_nav_sp_a > figure.thir_nav_h_div > img.img_width
SUV nav.thir_nav_sp > a.thir_nav_sp_a > figure.thir_nav_h_div > img.img_width
MPV nav.thir_nav_sp > a.thir_nav_sp_a > figure.thir_nav_h_div > img.img_width
轿车 nav.thir_nav_sp > a.thir_nav_sp_a > figure.thir_nav_h_div > img.img_width
更多 nav.thir_nav_sp > a.thir_nav_sp_a > figure.thir_nav_h_div > img.img_width

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

●Max Potential First Input Delay 70 ms
●Layout shift culprits
●Document request latency
●Optimize DOM size
●Font display
●Forced reflow
●LCP breakdown
●Optimize viewport for mobile
●Minify CSS
●Minify JavaScript
●JavaScript execution time 0.2 s
●Minimizes main-thread work 0.9 s
●Avoid long main-thread tasks 1 long task found
●Page didn't prevent back/forward cache restoration
●Network Requests
●Network Round Trip Times 300 ms
●Server Backend Latencies 460 ms
●Tasks
●Diagnostics
●Metrics
●Screenshot Thumbnails
●Final Screenshot
●Script Treemap Data
●Resources Summary
●Avoid multiple page redirects
●Initial server response time was short Root document took 350 ms
●Avoid large layout shifts 2 layout shifts found
○INP breakdown
○LCP request discovery
○User Timing marks and measures
○Avoid non-composited animations
65

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.

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
图集 li.swiper-slide > a.home_banner > h2.swiper-slide_cite > span.sw_mark_txt
点击查看更多 section#j_card_yaowen > section.s_card_it > a > ins.most
点击查看更多 section#j_card_tnews > section#j_card_morningEveningNews > a.jump_more > ins.most
查看全部实时热点 section#j_card_tnews > section.s_card > a.j_callST > ins.most
点击查看更多 section#j_card_tnews > section#j_card_miniVideo > a > ins.most
点击查看更多 section#j_card_sports > section.s_card_it > a > ins.most
点击查看更多 section#j_card_ent > section.s_card_it > a > ins.most
点击查看更多 section#j_card_finance > section.s_card_it > a > ins.most
点击查看更多 section#j_card_tech > section.s_card_it > a > ins.most
点击查看更多 section#j_card_auto > section.s_card_it > a > ins.most
点击查看更多 section#j_card_house > section.s_card_it > a > ins.most
点击查看更多 section#j_card_edu > section.s_card_it > a > ins.most
点击查看更多 section#j_card_fashion > section.s_card_it > a > ins.most
点击查看更多 section#j_card_games > section.s_card_it > a > ins.most
导航 footer.ft > address.ft_ad > nav.ft_down > a.ft_down_a
客户端下载 footer.ft > address.ft_ad > nav.ft_down > a.ft_down_a
广告营销 footer.ft > address.ft_ad > nav.ft_down > a.ft_down_a
反馈 footer.ft > address.ft_ad > nav.ft_down > a.ft_down_a
新浪网违法和不良信息举报电话：400-052-0066 main.page_main > footer.ft > address.ft_ad > p.ft_down_p1
违法和不良信息举报中心 footer.ft > address.ft_ad > p.ft_down_p2 > a
(京)网药械信息备字（2024）第 00220 号 main.page_main > footer.ft > address.ft_ad > p.ft_down_p2
Sina.cn(京ICP证000007)  2026-04-22 07:20 main.page_main > footer.ft > address.ft_ad > p.ft_down_p3
Sina.cn(京ICP证000007) footer.ft > address.ft_ad > p.ft_down_p3 > a
打开新浪新闻 body > div#float-btn > div.callUp_btn_txt

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
section#j_card_tnews > div > section#j_card_yaowen > img.j_callST section#j_card_tnews > div > section#j_card_yaowen > img.j_callST
div.paper_feed_list > a.m_f_a_r > figure.m_f_div > img.img_width div.paper_feed_list > a.m_f_a_r > figure.m_f_div > img.img_width
div.paper_feed_list > a.m_f_a_r > figure.m_f_div > img.img_width div.paper_feed_list > a.m_f_a_r > figure.m_f_div > img.img_width
main.page_main > section#j_card_tnews > section#j_card_aichatBanner > img.j_callST main.page_main > section#j_card_tnews > section#j_card_aichatBanner > img.j_callST
div.cm_sw_scroll > div.cm_sw_content > figure.video_con_fig > img.img_width div.cm_sw_scroll > div.cm_sw_content > figure.video_con_fig > img.img_width
div.cm_sw_scroll > div.cm_sw_content > figure.video_con_fig > img.img_width div.cm_sw_scroll > div.cm_sw_content > figure.video_con_fig > img.img_width
div.cm_sw_scroll > div.cm_sw_content > figure.video_con_fig > img.img_width div.cm_sw_scroll > div.cm_sw_content > figure.video_con_fig > img.img_width
div.cm_sw_scroll > div.cm_sw_content > figure.video_con_fig > img.img_width div.cm_sw_scroll > div.cm_sw_content > figure.video_con_fig > img.img_width
div.cm_sw_scroll > div.cm_sw_content > figure.video_con_fig > img.img_width div.cm_sw_scroll > div.cm_sw_content > figure.video_con_fig > img.img_width
div.cm_sw_scroll > div.cm_sw_content > figure.video_con_fig > img.img_width div.cm_sw_scroll > div.cm_sw_content > figure.video_con_fig > img.img_width
div.cm_sw_scroll > div.cm_sw_content > figure.video_con_fig > img.img_width div.cm_sw_scroll > div.cm_sw_content > figure.video_con_fig > img.img_width
div.cm_sw_scroll > div.cm_sw_content > figure.video_con_fig > img.img_width div.cm_sw_scroll > div.cm_sw_content > figure.video_con_fig > img.img_width
div.cm_sw_scroll > div.cm_sw_content > figure.video_con_fig > img.img_width div.cm_sw_scroll > div.cm_sw_content > figure.video_con_fig > img.img_width
div.cm_sw_scroll > div.cm_sw_content > figure.video_con_fig > img.img_width div.cm_sw_scroll > div.cm_sw_content > figure.video_con_fig > img.img_width
div.cm_sw_scroll > div.cm_sw_content > figure.video_con_fig > img.img_width div.cm_sw_scroll > div.cm_sw_content > figure.video_con_fig > img.img_width
div.cm_sw_scroll > div.cm_sw_content > figure.video_con_fig > img.img_width div.cm_sw_scroll > div.cm_sw_content > figure.video_con_fig > img.img_width
div.cm_sw_scroll > div.cm_sw_content > figure.video_con_fig > img.img_width div.cm_sw_scroll > div.cm_sw_content > figure.video_con_fig > img.img_width
div.cm_sw_scroll > div.cm_sw_content > figure.video_con_fig > img.img_width div.cm_sw_scroll > div.cm_sw_content > figure.video_con_fig > img.img_width
div.cm_sw_scroll > div.cm_sw_content > figure.video_con_fig > img.img_width div.cm_sw_scroll > div.cm_sw_content > figure.video_con_fig > img.img_width
section.fl_qr_box > aside.qr_box > figure.qr_img > img.img_width section.fl_qr_box > aside.qr_box > figure.qr_img > img.img_width
section.fl_qr_box > aside.qr_box > figure.qr_img > img.img_width section.fl_qr_box > aside.qr_box > figure.qr_img > img.img_width

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 > main.page_main > div.j_sax > iframe body > main.page_main > div.j_sax > iframe
div > section#j_card_yaowen > div#_17152a9f13617113PDPS000000057683 > iframe div > section#j_card_yaowen > div#_17152a9f13617113PDPS000000057683 > iframe
div > section#j_card_yaowen > div#_137be81913617113PDPS000000057779 > iframe div > section#j_card_yaowen > div#_137be81913617113PDPS000000057779 > iframe
section#j_card_tnews > div.s_card_sp_da > div#_a877c81812118577PDPS000000058118 > iframe section#j_card_tnews > div.s_card_sp_da > div#_a877c81812118577PDPS000000058118 > iframe
section#j_card_tnews > div.s_card_sp_da > div#_ebf57bb913616147PDPS000000057778 > iframe section#j_card_tnews > div.s_card_sp_da > div#_ebf57bb913616147PDPS000000057778 > iframe
section#j_card_sports > section.s_card_it > div#_a01b19f913617123PDPS000000065801 > iframe section#j_card_sports > section.s_card_it > div#_a01b19f913617123PDPS000000065801 > iframe
section#j_card_sports > section.s_card_it > div#_cf57199613617123PDPS000000060104 > iframe section#j_card_sports > section.s_card_it > div#_cf57199613617123PDPS000000060104 > iframe
section#j_card_tnews > div.s_card_sp_da > div#_38c708c713616147PDPS000000057780 > iframe section#j_card_tnews > div.s_card_sp_da > div#_38c708c713616147PDPS000000057780 > iframe
section#j_card_ent > section.s_card_it > div#_6b1d191113617123PDPS000000065802 > iframe section#j_card_ent > section.s_card_it > div#_6b1d191113617123PDPS000000065802 > iframe
section#j_card_ent > section.s_card_it > div#_ff6b6a7413617123PDPS000000057781 > iframe section#j_card_ent > section.s_card_it > div#_ff6b6a7413617123PDPS000000057781 > 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
div.hd_top_row > div.hd_top_row_template > nav.hd_set > a.hd_s_search div.hd_top_row > div.hd_top_row_template > nav.hd_set > a.hd_s_search
div.hd_top_row > div.hd_top_row_template > nav.hd_set > a#loginBox div.hd_top_row > div.hd_top_row_template > nav.hd_set > a#loginBox
section#j_card_house > section.s_card_it > figure.i_gx2 > a.i_gx2_a section#j_card_house > section.s_card_it > figure.i_gx2 > a.i_gx2_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.

Internationalization and localization

If a page doesn't specify a `lang` attribute, a screen reader assumes that the page is in the default language that the user chose when setting up the screen reader. If the page isn't actually in the default language, then the screen reader might not announce the page's text correctly. Learn more about the `lang` attribute.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
html html

These are opportunities to improve the interpretation of your content by users in different locales.

Best practices

Disabling zooming is problematic for users with low vision who rely on screen magnification to properly see the contents of a web page. Learn more about the viewport meta tag.

Why this matters

Informational: a Permissions-Policy directive showing feature -> allowed origins.

Source: MDN Permissions-Policy

Failing Elements
head > meta head > meta

These items highlight common accessibility best practices.

○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>`
●`[aria-*]` attributes have valid values
●`[aria-*]` attributes are valid and not misspelled
●ARIA attributes are used as specified for the element's role
●Elements use only permitted ARIA attributes
●Document has a `<title>` element
●Lists contain only `<li>` elements and script supporting elements (`<script>` and `<template>`).
●List items (`<li>`) are contained within `<ul>`, `<ol>` or `<menu>` parent elements
●Touch targets have sufficient size and spacing.
●Heading elements appear in a sequentially-descending order
●Document has a main landmark.
●All heading elements contain content.
●Image elements do not have `[alt]` attributes that are redundant text.
●Identical links have the same purpose.
○`[accesskey]` values are unique
○`button`, `link`, and `menuitem` elements have accessible names
○Deprecated ARIA roles were not used
○Elements with `role="dialog"` or `role="alertdialog"` have accessible names.
○`[aria-hidden="true"]` elements do not contain focusable descendents
○ARIA input fields have accessible names
○ARIA `meter` elements have accessible names
○ARIA `progressbar` elements have accessible names
○`[role]`s have all required `[aria-*]` attributes
○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
○`[role]` values are valid
○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
○Buttons have an accessible name
○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 a valid value for its `[lang]` attribute
○`<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
○Form elements have associated labels
○Links are distinguishable without relying on color.
○The document does not use `<meta http-equiv="refresh">`
○`<object>` elements have alternate text
○Select elements have associated label elements.
○Skip links are focusable.
○No element has a `[tabindex]` value greater than 0
○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>`.
○Uses ARIA roles only on compatible elements
○Elements with visible text labels have matching accessible names.
○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.
77

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.paper_feed_list > a.m_f_a_r > figure.m_f_div > img.img_width div.paper_feed_list > a.m_f_a_r > figure.m_f_div > img.img_width
/n/sinakd20260421s/220/w1276h544/20260421/fd59-5b39f6b4e8...124 x 83 (1.49)690 x 388 (1.78)
div.paper_feed_list > a.m_f_a_r > figure.m_f_div > img.img_width div.paper_feed_list > a.m_f_a_r > figure.m_f_div > img.img_width
/n/spider20260422/202/w600h402/20260422/a44a-2fa40a0f3e7f...124 x 83 (1.49)690 x 388 (1.78)

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
Synchronous XMLHttpRequest on the main thread is deprecated because of its detrimental effects to the end user's experience. For more help, check https://xhr.spec.whatwg.org/.
mjs.sinaimg.cn/umd/base-tools-nph/1.1.24/index.min.js line 1, col 53721
●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 browser errors logged to the console
●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 DOM-based XSS with Trusted Types
●Detected JavaScript libraries
●Page has valid source maps
○Redirects HTTP traffic to HTTPS
○Mitigate clickjacking with XFO or CSP
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
习近平会见老挝国家主席特使沙伦赛 置顶 section#j_card_tnews > div > section#j_card_yaowen > a.template_v6
中莫传统友谊穿越历史 跨越山海 置顶 section#j_card_tnews > div > section#j_card_yaowen > a.template_v6
我国装备工业高端化智能化发展亮点满满 置顶 section#j_card_tnews > div > section#j_card_yaowen > a.template_v6
伊朗表示同意暂停军事战斗，但战争仍未结束 417万专题 section#j_card_tnews > div > section#j_card_yaowen > a.template_v6
美伊极限拉扯 伊朗拒绝出席谈判 美国延长停火期限但维持海上封锁 39央视 section#j_card_tnews > div > section#j_card_yaowen > a.template_v6
【新浪脉络】关注伊朗局势 新浪延伸阅读 section#j_card_tnews > div > section#j_card_yaowen > a.template_v6
直播：华为Pura系列及全场景新品发布会 5900直播 section#j_card_tnews > div > section#j_card_yaowen > a.template_v6
谷爱凌：我越成功 就有越多人恨我 67新浪体育讯 section#j_card_tnews > div > section#j_card_yaowen > a.template_v6
双色球开6注729万分落4地 福运奖开862万注 19新浪彩票 section#j_card_tnews > div > section#j_card_yaowen > a.template_v6
浙江少年“神仙球”，引来贝克汉姆 滚动播报 section#j_card_tnews > div > section#j_card_yaowen > a.template_v6
截至3月底全国5G基站总数已达495.8万个 中国新闻网 section#j_card_tnews > div > section#j_card_yaowen > a.template_v6
三国突然取消“飞越许可”，赖清德窜访不了了 1098 环球时报 section#j_card_tnews > section#j_card_morningEveningNews > div.paper_feed_list > a.m_f_a_r
巴菲特谈库克卸任：没有库克 就不会有今天的苹果 0 快科技官方 section#j_card_tnews > section#j_card_morningEveningNews > div.paper_feed_list > a.m_f_a_r
点击查看更多 main.page_main > section#j_card_tnews > section#j_card_morningEveningNews > a.jump_more
查看全部实时热点 main.page_main > section#j_card_tnews > section.s_card > a.j_callST
点击查看更多 main.page_main > section#j_card_tnews > section#j_card_miniVideo > a
body > div.fl_suspension_box > div#j_fixAppBtn > a.fl_suspension_link body > div.fl_suspension_box > div#j_fixAppBtn > a.fl_suspension_link

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
section#j_card_tnews > div > section#j_card_yaowen > img.j_callST section#j_card_tnews > div > section#j_card_yaowen > img.j_callST
div.paper_feed_list > a.m_f_a_r > figure.m_f_div > img.img_width div.paper_feed_list > a.m_f_a_r > figure.m_f_div > img.img_width
div.paper_feed_list > a.m_f_a_r > figure.m_f_div > img.img_width div.paper_feed_list > a.m_f_a_r > figure.m_f_div > img.img_width
main.page_main > section#j_card_tnews > section#j_card_aichatBanner > img.j_callST main.page_main > section#j_card_tnews > section#j_card_aichatBanner > img.j_callST
div.cm_sw_scroll > div.cm_sw_content > figure.video_con_fig > img.img_width div.cm_sw_scroll > div.cm_sw_content > figure.video_con_fig > img.img_width
div.cm_sw_scroll > div.cm_sw_content > figure.video_con_fig > img.img_width div.cm_sw_scroll > div.cm_sw_content > figure.video_con_fig > img.img_width
div.cm_sw_scroll > div.cm_sw_content > figure.video_con_fig > img.img_width div.cm_sw_scroll > div.cm_sw_content > figure.video_con_fig > img.img_width
div.cm_sw_scroll > div.cm_sw_content > figure.video_con_fig > img.img_width div.cm_sw_scroll > div.cm_sw_content > figure.video_con_fig > img.img_width
div.cm_sw_scroll > div.cm_sw_content > figure.video_con_fig > img.img_width div.cm_sw_scroll > div.cm_sw_content > figure.video_con_fig > img.img_width
div.cm_sw_scroll > div.cm_sw_content > figure.video_con_fig > img.img_width div.cm_sw_scroll > div.cm_sw_content > figure.video_con_fig > img.img_width
div.cm_sw_scroll > div.cm_sw_content > figure.video_con_fig > img.img_width div.cm_sw_scroll > div.cm_sw_content > figure.video_con_fig > img.img_width
div.cm_sw_scroll > div.cm_sw_content > figure.video_con_fig > img.img_width div.cm_sw_scroll > div.cm_sw_content > figure.video_con_fig > img.img_width
div.cm_sw_scroll > div.cm_sw_content > figure.video_con_fig > img.img_width div.cm_sw_scroll > div.cm_sw_content > figure.video_con_fig > img.img_width
div.cm_sw_scroll > div.cm_sw_content > figure.video_con_fig > img.img_width div.cm_sw_scroll > div.cm_sw_content > figure.video_con_fig > img.img_width
div.cm_sw_scroll > div.cm_sw_content > figure.video_con_fig > img.img_width div.cm_sw_scroll > div.cm_sw_content > figure.video_con_fig > img.img_width
div.cm_sw_scroll > div.cm_sw_content > figure.video_con_fig > img.img_width div.cm_sw_scroll > div.cm_sw_content > figure.video_con_fig > img.img_width
div.cm_sw_scroll > div.cm_sw_content > figure.video_con_fig > img.img_width div.cm_sw_scroll > div.cm_sw_content > figure.video_con_fig > img.img_width
div.cm_sw_scroll > div.cm_sw_content > figure.video_con_fig > img.img_width div.cm_sw_scroll > div.cm_sw_content > figure.video_con_fig > img.img_width
div.cm_sw_scroll > div.cm_sw_content > figure.video_con_fig > img.img_width div.cm_sw_scroll > div.cm_sw_content > figure.video_con_fig > img.img_width
section.fl_qr_box > aside.qr_box > figure.qr_img > img.img_width section.fl_qr_box > aside.qr_box > figure.qr_img > img.img_width
section.fl_qr_box > aside.qr_box > figure.qr_img > img.img_width section.fl_qr_box > aside.qr_box > figure.qr_img > img.img_width

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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