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Lighthouse Mobile

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

Audit breakdown by category with detailed findings.

28

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
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static.oschina.net/oschina/web/v2/js/vendor-lTVsnz0g.js691200.0 s658.2 KiB
www.yunpian.com/static/official/js/libs/riddler-sdk-0.2.2.js?t=202107200.0 ms59.9 KiB
joker-pper.github.io/intellij-gpvp-gradle/picture/update-version_zh.png600.0 s65.1 KiB
static.oschina.net/oschina/web/v2/js/vendor-ant-design-vue-DGRUmHR_.js691200.0 s335.1 KiB
static.oschina.net/oschina/web/v2/js/vendor-highlight.js-CjWx2Jci.js691200.0 s270.1 KiB
oscimg.oschina.net/oscnet/up-aa112e14274775ac3b7d5978d1d812c4567.png691200.0 s162.2 KiB
static.oschina.net/oschina/web/v2/js/svg-icons-CE-IQ-Wd.js691200.0 s160.7 KiB
oscimg.oschina.net/oscnet/up-d61e4b3d364fb878e1a4283dd8e1d144362.jpg691200.0 s139.5 KiB
oscimg.oschina.net/oscnet/up-402a6034124474bfef8dfc5b4b2bac1ce5c.png691200.0 s135.4 KiB
hmcdn.baidu.com/static/tongji/plugins/UrlChangeTracker.js0.0 ms8.1 KiB
oscimg.oschina.net//AiCreationDetail/up-53486b20f5883974b02815afc088cc35.png691200.0 s65.3 KiB
static.oschina.net/oschina/web/v2/js/png/footer-logo-1-BfNlgbn9.png691200.0 s62.7 KiB
oscimg.oschina.net//AiCreationCover/up-da552a387c6ef6b10135d960ea4bd2b4.png691200.0 s61.1 KiB
oscimg.oschina.net/oscnet//e117a1d48c3fad152a25c23f30f5e29a.png691200.0 s55.9 KiB
oscimg.oschina.net/oscnet/ai/up-cd375628cba42674f55896917065dfc7.png691200.0 s52.5 KiB
oscimg.oschina.net//AiCreationCover/up-1592bb4bfe00b97520fe75f913aead98.png691200.0 s44.8 KiB
oscimg.oschina.net//AiCreationCover/up-4860f5710e19e1c90c1c8b622f561d9b.png691200.0 s44.1 KiB
oscimg.oschina.net//AiCreationCover/up-c08cbc9e525466d6f3fd4afd00d1173b.png691200.0 s40.3 KiB
oscimg.oschina.net//AiCreationCover/up-573d2befa3eb210e7929e407059d8f54.png691200.0 s39.7 KiB
oscimg.oschina.net//AiCreationDetail/up-ef396caec16e67b0df79d8f63046ea68.png691200.0 s39.6 KiB
static.oschina.net/oschina/web/v2/js/css/vendor-COPiG9ac.css691200.0 s36.3 KiB
oscimg.oschina.net/oscnet//5d679f5ad054995bf03dab30bd6a697f.png691200.0 s36.2 KiB
oscimg.oschina.net/oscnet/up-844fcce4304c5d4e21daf1923c499d63276.png691200.0 s34.8 KiB
static.oschina.net/oschina/web/v2/js/vendor-lodash-B4Y9j-P-.js691200.0 s34.3 KiB
oscimg.oschina.net//AiCreationCover/up-a8b3ae78feae78d4cd737ba822ade3d3.png691200.0 s33.8 KiB
static.oschina.net/oschina/web/cdn/v2/polyfill.min@7.4.3.js691200.0 s32.2 KiB
oscimg.oschina.net/oscnet/up-33bc4b55aab0c7c0d5e37232be7c4e20fa7.png691200.0 s30.6 KiB
oscimg.oschina.net/oscnet/up-0141f8e1386771500050ccf4f75adfcb0dd.jpg691200.0 s27.3 KiB
oscimg.oschina.net//AiCreationCover/up-66bccde808dc1033f3350a8e960aa7e4.png691200.0 s25.9 KiB
oscimg.oschina.net/oscnet/up-9c877a96a90a445772647ca7438288a213f.png691200.0 s23.8 KiB
oscimg.oschina.net/oscnet/up-fc53bffd34adfd534fce396cbb4821f5857.png691200.0 s22.8 KiB
oscimg.oschina.net//AiCreationCover/up-9a5073254cf4495a8c3e3b74ded8a81b.png691200.0 s21.4 KiB
oscimg.oschina.net/oscnet/up-daaed369fe9b8ce7f75e2d0bbf20a4a4088.jpg691200.0 s20.9 KiB
oscimg.oschina.net//AiCreationCover/up-9df0390b01d6674adbeb25500e67459c.png691200.0 s20.6 KiB
oscimg.oschina.net//oscnet/up-few74tnayov9ir7txszzccuuc7clm7gv.jpg691200.0 s20.4 KiB
oscimg.oschina.net//oscnet/up-28a8a9rnmm14uacwf70ls1xrfsrhotbk691200.0 s19.8 KiB
oscimg.oschina.net//AiCreationCover/up-ccf82ac7ffd62e6ec12da069e2b92a91.png691200.0 s19.6 KiB
oscimg.oschina.net//AiCreationCover/up-b1f535c1020ac7340e95bdd40d61c7f8.png691200.0 s19.5 KiB
oscimg.oschina.net/oscnet/up-160761ac0a336afbc75100eb1588b246ea8.png691200.0 s17.8 KiB
oscimg.oschina.net//oscnet/up-10b231f016eae792c1d418b29dcc6dde.png691200.0 s17.3 KiB
oscimg.oschina.net/oscnet/up-17ffeae584429e74b42d7c3422049c561e7.png691200.0 s15.9 KiB
oscimg.oschina.net//AiCreationCover/up-48fdac3e13e46dd9cb40447728ebccbe.png691200.0 s14.1 KiB
static.oschina.net/oschina/web/v2/js/list-BM0wS51e.js691200.0 s13.0 KiB
oscimg.oschina.net/oscnet/up-2a441ddb8e5de4869b6b01864260ec7053e.png691200.0 s11.9 KiB
static.oschina.net/oschina/web/v2/js/png/ReadingList-C9QQPBSp.png691200.0 s11.4 KiB
static.oschina.net/oschina/web/v2/js/png/Publish-BcohRDPv.png691200.0 s11.3 KiB
static.oschina.net/oschina/web/v2/js/png/DevFm-D25QBV-L.png691200.0 s11.2 KiB
static.oschina.net/oschina/web/v2/js/header-DUz5gTch.js691200.0 s11.2 KiB
static.oschina.net/oschina/web/v2/js/png/AiWrite-DXo7ewR-.png691200.0 s11.1 KiB
static.oschina.net/oschina/web/v2/js/png/AiSearch-DOmtnv39.png691200.0 s11.1 KiB
oscimg.oschina.net/oscnet/up-09d6a945d011cd8dcc67326416184db0a32.png691200.0 s11.0 KiB
oscimg.oschina.net/oscnet/up-0c8ba048ba902fd231bacc987d077a1f2b7.png691200.0 s10.9 KiB
static.oschina.net/oschina/web/v2/js/png/UploadReport-DK5dCcZD.png691200.0 s10.9 KiB
static.oschina.net/oschina/web/v2/js/png/NewsDelivery-DfNtQPeS.png691200.0 s10.8 KiB
oscimg.oschina.net/oscnet//61729cd865b7aa087cc45d98fb52ad7b.png691200.0 s10.8 KiB
static.oschina.net/oschina/web/v2/js/png/LaunchBulletin-CuZet5UP.png691200.0 s10.5 KiB
oscimg.oschina.net/oscnet/up-eb1619775583ee47b1975907279b7a062c2.jpg691200.0 s9.5 KiB
oscimg.oschina.net/oscnet/up-b797235bce0330fcf6170cefdcbea527742.jpg691200.0 s8.5 KiB
static.oschina.net/oschina/web/v2/js/png/harmonyos-CHGPw-pF.png691200.0 s8.3 KiB
oscimg.oschina.net/oscnet/up-dbb517e76f53a9226b30d4bb1eb0e3cdd17.jpg691200.0 s8.3 KiB
oscimg.oschina.net//oscnet/up-ccb52c4efea95fabd9cb00092c5e2377.png691200.0 s8.2 KiB
static.oschina.net/oschina/web/v2/js/index-IbGw0Piw.js691200.0 s8.1 KiB
oscimg.oschina.net/oscnet/up-ef88522f8e3dac071fb19259bdc87ef5b54.jpg691200.0 s7.8 KiB
static.oschina.net/oschina/web/v2/js/right-panel-C9yWaZzC.js691200.0 s7.7 KiB
static.oschina.net/oschina/web/v2/js/TweetModal-CN7XIEY5.js691200.0 s6.9 KiB
oscimg.oschina.net//oscnet/up-503601c456bbf6136bb218b8f5a13da2.jpg691200.0 s6.8 KiB
oscimg.oschina.net//oscnet/up-0def694628693997419fff6746cd74a4.jpg691200.0 s6.7 KiB
oscimg.oschina.net/oscnet/up-d1aaa5ff188e680193fe418beba7c12c299.jpg691200.0 s6.5 KiB
oscimg.oschina.net//oscnet/up-0575400c1b062daa94c10fddb4fede5f.jpg691200.0 s6.3 KiB
oscimg.oschina.net/oscnet/up-4dadd644e02a0ca625d618a09941ec9c3c6.jpg691200.0 s6.2 KiB
oscimg.oschina.net//oscnet/up-a4e24915cf6aba546518fba541a8f0f8.jpg691200.0 s6.0 KiB
oscimg.oschina.net/oscnet/up-93ce9b14d22b4d8e431e2c232dd2d21a705.jpg691200.0 s5.8 KiB
oscimg.oschina.net/oscnet//33a3157d8d4b23dc62e6a4237c6e2982.jpg691200.0 s5.8 KiB
static.oschina.net/oschina/web/v2/js/ShareModal-D1O73Vbb.js691200.0 s5.5 KiB
static.oschina.net/oschina/web/v2/js/css/list-C7z4_d2O.css691200.0 s5.4 KiB
oscimg.oschina.net/oscnet/up-aab3ffb32f226badbee984389387049cf29.jpg691200.0 s5.1 KiB
oscimg.oschina.net//oscnet/up-486318c824077f1dd4034dfff4df2c28.jpg691200.0 s5.0 KiB
static.oschina.net/oschina/web/v2/js/list-item-D6E_b_DY.js691200.0 s5.0 KiB
oscimg.oschina.net//oscnet/up-d44c139a38900f36b36fb0decb38f58f.jpg691200.0 s4.8 KiB
oscimg.oschina.net//oscnet/up-c4e3c2e440945e743110d0c2e0214bfb.jpg691200.0 s4.5 KiB
oscimg.oschina.net/oscnet/up-1b89662e2bcfe56cc8a6898b625b16b26db.jpg691200.0 s4.4 KiB
static.oschina.net/oschina/web/v2/js/SimpleEmojiPicker-DIUSMoOR.js691200.0 s4.4 KiB
static.oschina.net/oschina/web/v2/js/css/right-panel-jiFoGs_d.css691200.0 s3.9 KiB
static.oschina.net/oschina/web/v2/js/index-DWkYVOrw.js691200.0 s3.8 KiB
oscimg.oschina.net/oscnet//c071c6a5602929b79b68c28cbbd5e0c9.png691200.0 s3.7 KiB
oscimg.oschina.net//oscnet/up-0d5e7892532b670f75b24350e8f30f93.jpg691200.0 s3.6 KiB
static.oschina.net/oschina/web/v2/js/css/header-CTrd7WIm.css691200.0 s3.4 KiB
oscimg.oschina.net/oscnet/up-f486dd2a551fdd79028acdcc46e58e63ed6.jpg691200.0 s3.3 KiB
oscimg.oschina.net/oscnet/up-228b867bf7ee2cbc37039df85b2773c6463.jpg691200.0 s3.3 KiB
oscimg.oschina.net/oscnet/up-5ac1d018d4e102db9812228c71e4470872f.png691200.0 s3.2 KiB
oscimg.oschina.net/oscnet/up-f302e7f16f73f66dbb48ef02ccc785edefe.png691200.0 s3.0 KiB
oscimg.oschina.net/oscnet/up-5e0359e62fee11d2bd5855ec40b01f26b01.png691200.0 s2.9 KiB
oscimg.oschina.net/oscnet/up-dae7119a0406719f0819232a65264868b30.png691200.0 s2.9 KiB
oscimg.oschina.net/oscnet/up-4a006dc7c74a78b44ecead3e58920709530.jpg691200.0 s2.9 KiB
oscimg.oschina.net/oscnet/up-c965a0388a464b34ff3435f13e088347f6b.png691200.0 s2.8 KiB
static.oschina.net/oschina/web/v2/js/index-BH5g5goj.js691200.0 s2.8 KiB
static.oschina.net/oschina/web/v2/js/png/gitee-ai-logo-DEiXiyF7.png691200.0 s2.7 KiB
static.oschina.net/oschina/web/v2/js/left-panel-CwP34ip7.js691200.0 s2.7 KiB
oscimg.oschina.net//oscnet/up-5597c67c49a32b4a954044d245f503a1.jpg691200.0 s2.7 KiB
oscimg.oschina.net/oscnet/up-5df2bf6339b3b02b109a013839c6388e79a.png691200.0 s2.4 KiB
oscimg.oschina.net//oscnet/up-3b54f0b848d1c427b651ec6e83bf967e.jpg691200.0 s2.4 KiB
zz.bdstatic.com/linksubmit/push.js86400.0 s552 B
static.oschina.net/oschina/web/v2/js/footer-D72mTRMv.js691200.0 s2.1 KiB
oscimg.oschina.net//oscnet/up-58a8822828ff537c8fffb7992f922d0b.jpg691200.0 s1.9 KiB
oscimg.oschina.net/oscnet/up-9146d0e60939c4600a488c2b813c39451ce.png691200.0 s1.9 KiB
static.oschina.net/oschina/web/v2/js/css/activeUsers-Da3PVRlk.css691200.0 s1.9 KiB
static.oschina.net/oschina/web/v2/js/index-BdJ72l8x.js691200.0 s1.9 KiB
oscimg.oschina.net/oscnet/up-9ab4074ecaa0c2d3614e5d943912346ea48.png691200.0 s1.8 KiB
oscimg.oschina.net/oscnet/up-f09c4ec371b2fd5546d4f31f4da9036d133.png691200.0 s1.8 KiB
static.oschina.net/oschina/web/v2/js/css/index-2WIZJTqO.css691200.0 s1.8 KiB
oscimg.oschina.net/oscnet/up-6c29da4ef2594861f641ddcb110768e8a11.png691200.0 s1.7 KiB
static.oschina.net/oschina/web/v2/js/css/TweetModal-Dk8qFFEx.css691200.0 s1.7 KiB
static.oschina.net/oschina/web/v2/js/css/vendor-ant-design-vue-B6snAd4S.css691200.0 s1.6 KiB
static.oschina.net/oschina/web/v2/js/index-COdCbAzu.js691200.0 s1.6 KiB
static.oschina.net/oschina/web/v2/js/css/index-DiPN6KxP.css691200.0 s1.5 KiB
static.oschina.net/oschina/web/v2/js/ActivityCard-DfujY92U.js691200.0 s1.5 KiB
static.oschina.net/oschina/web/v2/js/index-home--hrZRSC3.js691200.0 s1.5 KiB
static.oschina.net/oschina/web/v2/js/css/index-CUHrSQA0.css691200.0 s1.5 KiB
static.oschina.net/oschina/web/v2/js/index-BkJpcskP.js691200.0 s1.3 KiB
static.oschina.net/oschina/web/v2/js/css/vendor-highlight-BCUlTwIx.css691200.0 s1.3 KiB
oscimg.oschina.net/oscnet/up-1bb76b6495c977fb94a0c83ab7e8cdc8ca3.png691200.0 s1.3 KiB
static.oschina.net/oschina/web/v2/js/css/footer-ByoUM6t5.css691200.0 s1.2 KiB
static.oschina.net/oschina/web/v2/js/css/left-panel-DwtMtsjn.css691200.0 s1.2 KiB
static.oschina.net/oschina/web/v2/js/css/index-D_umSWzq.css691200.0 s1.1 KiB
sp0.baidu.com/9_Q4simg2RQJ8t7jm9iCKT-xh_/s.gif?l=https://www.oschina.net/0.0 ms116 B
static.oschina.net/oschina/web/v2/js/css/index-BJUN1R1y.css691200.0 s1.1 KiB
static.oschina.net/oschina/web/v2/js/css/ActivityCard-B_GHp0V4.css691200.0 s1.1 KiB
static.oschina.net/oschina/web/v2/js/css/SimpleEmojiPicker-wg0Kglag.css691200.0 s1.1 KiB
static.oschina.net/oschina/web/v2/js/AiF-DY5DFmHs.js691200.0 s1021 B
static.oschina.net/oschina/web/v2/js/css/index-B45yhnVY.css691200.0 s989 B
static.oschina.net/oschina/web/v2/js/css/index-BUq7yjdO.css691200.0 s978 B
static.oschina.net/oschina/web/v2/js/css/ShareModal-C_S8flFy.css691200.0 s930 B
static.oschina.net/oschina/web/v2/js/css/index-B86xGKrX.css691200.0 s844 B
static.oschina.net/oschina/web/v2/js/css/userAvatar-DawRi0OU.css691200.0 s841 B
static.oschina.net/oschina/web/v2/js/LaunchBulletin-Byqn27F5.js691200.0 s835 B
static.oschina.net/oschina/web/v2/js/index-RVycMfRY.js691200.0 s833 B
static.oschina.net/oschina/web/v2/js/css/index-DYLbC_Mp.css691200.0 s794 B
static.oschina.net/oschina/web/v2/js/footer-logo-1-Cxb0pPgG.js691200.0 s759 B
static.oschina.net/oschina/web/v2/js/wx-BgqbM9Wg.js691200.0 s747 B
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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:Source valueType:source-location] map[granularity:1 key:reflowTime label:Total reflow time valueType:ms]]
items: [map[reflowTime:35.573 source:map[column:19144 line:201 type:source-location url:https://static.oschina.net/oschina/web/v2/js/vendor-ant-design-vue-DGRUmHR_.js urlProvider:network]] map[reflowTime:41.06 source:map[column:7845 line:224 type:source-location url:https://static.oschina.net/oschina/web/v2/js/vendor-ant-design-vue-DGRUmHR_.js urlProvider:network]] map[reflowTime:71.591 source:map[column:7698 line:98 type:source-location url:https://static.oschina.net/oschina/web/v2/js/vendor-ant-design-vue-DGRUmHR_.js urlProvider:network]]]

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
​Elastic中国AI搜索技术大会在京举办：解锁AI搜索的无限可能 div.main-data-item > div.list-item > div.item-img > img
oscimg.oschina.net/oscnet//c3083c7ef72185ee6a62454273479712.jpg2.3 MiB2.3 MiB
Claude Code + 积木报表：一分钟生成复杂报表 (JimuReport v2.3.2 ) div.main-data-item > div.list-item > div.item-img > img
oscimg.oschina.net/oscnet/up-aa112e14274775ac3b7d5978d1d812c4567.png161.6 KiB160.3 KiB
Claude Code + 积木 BI：一分钟生成精美大屏（JimuBI v2.3.2 发布） div.main-data-item > div.list-item > div.item-img > img
oscimg.oschina.net/oscnet/up-402a6034124474bfef8dfc5b4b2bac1ce5c.png134.8 KiB133.0 KiB
福布斯发布 2026 年全球 AI 50 榜单 div.main-data-item > div.list-item > div.item-img > img
oscimg.oschina.net/oscnet/up-d61e4b3d364fb878e1a4283dd8e1d144362.jpg138.9 KiB120.5 KiB
Linux 全新 NTFS 驱动合并至 7.1 主线内核，Linus 称之为“NTFS重生” div.main-data-item > div.list-item > div.item-img > img
static.oschina.net/uploads/space/2026/0422/105836_QerK_2720166.png103.1 KiB101.1 KiB
4.24 深圳OSC源创会【具身智能工程化实战沙龙】 div > div.carousel-item > div.carousel-image-wrapper > img
static.oschina.net/uploads/img/202604/08110606_TO2O.png84.2 KiB72.4 KiB
客服 AI Agent 系统 - 贝壳 AI 1.1.0 版本发布 div.main-data-item > div.list-item > div.item-img > img
oscimg.oschina.net//AiCreationDetail/up-53486b20f5883974b02815afc088cc35.png64.9 KiB63.7 KiB
IDEA 插件 Gradle 小助手 Gradle With Me 更新 1.4.x 版本啦，优化自动同步配置功能助力多 JDK 版本、Gradle 版本开发！ div.main-data-item > div.list-item > div.item-img > img
joker-pper.github.io/intellij-gpvp-gradle/picture/update-version_zh.png64.7 KiB59.4 KiB
图片 div.ant-row > div.ant-col > div.creation-image > img
oscimg.oschina.net//AiCreationCover/up-da552a387c6ef6b10135d960ea4bd2b4.png60.7 KiB55.8 KiB
PropellerAds 荣获 GGC 2026 “最佳效果营销平台”奖，打造全球广告新标杆 div.main-data-item > div.list-item > div.item-img > img
oscimg.oschina.net/oscnet//e117a1d48c3fad152a25c23f30f5e29a.png55.4 KiB51.1 KiB
图片 div.ant-row > div.ant-col > div.creation-image > img
oscimg.oschina.net//AiCreationCover/up-1592bb4bfe00b97520fe75f913aead98.png44.4 KiB41.2 KiB
图片 div.ant-row > div.ant-col > div.creation-image > img
oscimg.oschina.net//AiCreationCover/up-4860f5710e19e1c90c1c8b622f561d9b.png43.6 KiB40.2 KiB
图片 div.ant-row > div.ant-col > div.creation-image > img
oscimg.oschina.net//AiCreationCover/up-c08cbc9e525466d6f3fd4afd00d1173b.png39.9 KiB37.2 KiB
全球见证！openKylin 获 Pixi 官方认可，助力 RISC-V 生态再获硬核突破 div.main-data-item > div.list-item > div.item-img > img
oscimg.oschina.net//AiCreationDetail/up-ef396caec16e67b0df79d8f63046ea68.png39.2 KiB37.0 KiB
图片 div.ant-row > div.ant-col > div.creation-image > img
oscimg.oschina.net//AiCreationCover/up-573d2befa3eb210e7929e407059d8f54.png39.3 KiB36.3 KiB
百度地图重磅发布 Map Agent Plan：让每一只“龙虾”都能畅行物理世界 div.main-data-item > div.list-item > div.item-img > img
oscimg.oschina.net/oscnet//5d679f5ad054995bf03dab30bd6a697f.png35.8 KiB32.8 KiB
SpaceX 拟以 600 亿美元收购 AI 编程平台 Cursor div.main-data-item > div.list-item > div.item-img > img
oscimg.oschina.net/oscnet/up-844fcce4304c5d4e21daf1923c499d63276.png34.3 KiB32.7 KiB
图片 div.ant-row > div.ant-col > div.creation-image > img
oscimg.oschina.net//AiCreationCover/up-a8b3ae78feae78d4cd737ba822ade3d3.png33.4 KiB31.2 KiB
一季度 AI 应用洞察：豆包、千问、DeepSeek 月活分别达到 3.4 亿、1.7 亿、1.3 亿 div.main-data-item > div.list-item > div.item-img > img
oscimg.oschina.net/oscnet/up-33bc4b55aab0c7c0d5e37232be7c4e20fa7.png30.2 KiB28.7 KiB
开源中国造物社区认证计划启动！欢迎硬件玩家、创客机构正式入驻！ div > div.carousel-item > div.carousel-image-wrapper > img
oscimg.oschina.net/oscnet/ai/up-cd375628cba42674f55896917065dfc7.png52.1 KiB26.4 KiB
图片 div.ant-row > div.ant-col > div.creation-image > img
oscimg.oschina.net//AiCreationCover/up-66bccde808dc1033f3350a8e960aa7e4.png25.5 KiB23.7 KiB
阿里发布生态级 AI 助手数字人形象“千问小酒窝” div.main-data-item > div.list-item > div.item-img > img
oscimg.oschina.net/oscnet/up-9c877a96a90a445772647ca7438288a213f.png23.3 KiB21.6 KiB
div.item-content-oper > div.oper-user > span.ant-avatar > img div.item-content-oper > div.oper-user > span.ant-avatar > img
oscimg.oschina.net//oscnet/up-few74tnayov9ir7txszzccuuc7clm7gv.jpg19.9 KiB19.8 KiB
图片 div.ant-row > div.ant-col > div.creation-image > img
oscimg.oschina.net//AiCreationCover/up-9a5073254cf4495a8c3e3b74ded8a81b.png21.0 KiB19.5 KiB
div.item-content-oper > div.oper-user > span.ant-avatar > img div.item-content-oper > div.oper-user > span.ant-avatar > img
oscimg.oschina.net//oscnet/up-28a8a9rnmm14uacwf70ls1xrfsrhotbk19.3 KiB19.3 KiB
图片 div.ant-row > div.ant-col > div.creation-image > img
oscimg.oschina.net//AiCreationCover/up-9df0390b01d6674adbeb25500e67459c.png20.2 KiB18.8 KiB
图片 div.ant-row > div.ant-col > div.creation-image > img
oscimg.oschina.net//AiCreationCover/up-ccf82ac7ffd62e6ec12da069e2b92a91.png19.2 KiB17.9 KiB
图片 div.ant-row > div.ant-col > div.creation-image > img
oscimg.oschina.net//AiCreationCover/up-b1f535c1020ac7340e95bdd40d61c7f8.png19.0 KiB17.6 KiB
AI，最终幻想 div > div.carousel-item > div.carousel-image-wrapper > img
static.oschina.net/uploads/space/2026/0410/181507_CmkF_3820517.png22.3 KiB17.1 KiB
凌晨 4 点，他在用身体喂养机器人。 div > div.carousel-item > div.carousel-image-wrapper > img
oscimg.oschina.net/oscnet/up-fc53bffd34adfd534fce396cbb4821f5857.png22.4 KiB13.4 KiB
蚂蚁百灵 Ling-2.6-flash 发布 div.main-data-item > div.list-item > div.item-img > img
oscimg.oschina.net/oscnet/up-160761ac0a336afbc75100eb1588b246ea8.png17.4 KiB13.3 KiB
图片 div.ant-row > div.ant-col > div.creation-image > img
oscimg.oschina.net//AiCreationCover/up-48fdac3e13e46dd9cb40447728ebccbe.png13.7 KiB12.6 KiB
Pura X Max适配指南：HMOS代码工坊实战解析，助力应用高效上车 div.main-data-item > div.list-item > div.item-img > img
oscimg.oschina.net/oscnet//61729cd865b7aa087cc45d98fb52ad7b.png10.4 KiB9.6 KiB
Firefox 150.0 发布 div.main-data-item > div.list-item > div.item-img > img
oscimg.oschina.net/oscnet/up-0c8ba048ba902fd231bacc987d077a1f2b7.png10.5 KiB8.9 KiB
div.item-content-oper > div.oper-user > span.ant-avatar > img div.item-content-oper > div.oper-user > span.ant-avatar > img
oscimg.oschina.net//oscnet/up-0def694628693997419fff6746cd74a4.jpg6.3 KiB6.1 KiB
div.item-content-oper > div.oper-user > span.ant-avatar > img div.item-content-oper > div.oper-user > span.ant-avatar > img
oscimg.oschina.net//oscnet/up-a4e24915cf6aba546518fba541a8f0f8.jpg5.5 KiB5.4 KiB
Semi Design v2.95.0 发布，抖音企业级 UI 库 div.main-data-item > div.list-item > div.item-img > img
oscimg.oschina.net/oscnet/up-eb1619775583ee47b1975907279b7a062c2.jpg9.1 KiB5.0 KiB

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:3058.83 label:Time to first byte subpart:timeToFirstByte] map[duration:4328.264 label:Resource load delay subpart:resourceLoadDelay] map[duration:896.435 label:Resource load duration subpart:resourceLoadDuration] map[duration:30.183 label:Element render delay subpart:elementRenderDelay]]
lhId: page-37-IMG
nodeLabel: 凌晨 4 点，他在用身体喂养机器人。
path: 2,HTML,1,BODY,0,DIV,0,SECTION,0,SECTION,2,SECTION,0,MAIN,0,DIV,1,SECTION,0,MAIN,0,SECTION,1,MAIN,1,DIV,0,DIV,0,DIV,2,DIV,0,DIV,0,DIV,0,DIV,0,DIV,1,DIV,0,DIV,1,DIV,0,DIV,0,DIV,0,DIV,0,IMG
selector: div > div.carousel-item > div.carousel-image-wrapper > img
snippet: <img data-v-591030fa="" src="https://oscimg.oschina.net/oscnet/up-fc53bffd34adfd534fce396cbb4821f5857.p…" alt="凌晨 4 点，他在用身体喂养机器人。" style="width: 100%; height: 200px; border-radius: 6px; object-fit: cover;">

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-37-IMG
nodeLabel: 凌晨 4 点，他在用身体喂养机器人。
path: 2,HTML,1,BODY,0,DIV,0,SECTION,0,SECTION,2,SECTION,0,MAIN,0,DIV,1,SECTION,0,MAIN,0,SECTION,1,MAIN,1,DIV,0,DIV,0,DIV,2,DIV,0,DIV,0,DIV,0,DIV,0,DIV,1,DIV,0,DIV,1,DIV,0,DIV,0,DIV,0,DIV,0,IMG
selector: div > div.carousel-item > div.carousel-image-wrapper > img
snippet: <img data-v-591030fa="" src="https://oscimg.oschina.net/oscnet/up-fc53bffd34adfd534fce396cbb4821f5857.p…" alt="凌晨 4 点，他在用身体喂养机器人。" style="width: 100%; height: 200px; border-radius: 6px; object-fit: cover;">

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
static.oschina.net/oschina/web/cdn/v2/polyfill.min@7.4.3.js32.2 KiB358 ms
static.oschina.net/oschina/web/v2/js/css/vendor-COPiG9ac.css36.3 KiB1.2 s
static.oschina.net/oschina/web/v2/js/css/vendor-highlight-BCUlTwIx.css1.3 KiB
static.oschina.net/oschina/web/v2/js/css/index-2WIZJTqO.css1.8 KiB
static.oschina.net/oschina/web/v2/js/css/vendor-ant-design-vue-B6snAd4S.css1.6 KiB
www.yunpian.com/static/official/js/libs/riddler-sdk-0.2.2.js?t=2021072059.9 KiB1.8 s

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: 1.4 s
URLTime Spent
oschina.net/1.4 s
www.oschina.net/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

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: 360 ms 48.0 KiB
URLTransfer SizeEst Savings
static.oschina.net/oschina/web/v2/js/css/vendor-COPiG9ac.css35.7 KiB35.4 KiB
:where(.css-4xorm8)[class^="ant-col"],:where(.css-4xorm8)[class*=" ant-col"]{font-family:-apple-syst… } …12.8 KiB12.6 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: 3.2 s 646.6 KiB
URLTransfer SizeEst Savings
static.oschina.net/oschina/web/v2/js/vendor-lTVsnz0g.js647.7 KiB357.6 KiB
static.oschina.net/oschina/web/v2/js/vendor-ant-design-vue-DGRUmHR_.js334.1 KiB224.6 KiB
www.yunpian.com/static/official/js/libs/riddler-sdk-0.2.2.js?t=2021072059.1 KiB42.2 KiB
static.oschina.net/oschina/web/v2/js/vendor-lodash-B4Y9j-P-.js33.5 KiB22.2 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
static.oschina.net/oschina/web/v2/js/vendor-lTVsnz0g.js3.7 s2.6 s8.3 ms
static.oschina.net/oschina/web/v2/js/vendor-ant-design-vue-DGRUmHR_.js1.4 s963 ms3.6 ms
www.oschina.net/1.3 s15 ms1.7 ms
Unattributable1.1 s39 ms0.0 ms
hm.baidu.com/hm.js?a411c4d1664dd70048ee98afe7b28f0b76 ms68 ms2.4 ms
static.oschina.net/oschina/web/cdn/v2/polyfill.min@7.4.3.js75 ms66 ms8.4 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 Evaluation3.9 s
Other2.0 s
Style & Layout1.0 s
Rendering534 ms
Garbage Collection205 ms
Parse HTML & CSS114 ms
Script Parsing & Compilation44 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

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: 0.0 ms 6.8 KiB
URLTransfer SizeEst Savings
hmcdn.baidu.com/static/tongji/plugins/UrlChangeTracker.js7.8 KiB6.8 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
oscimg.oschina.net/oscnet//c3083c7ef72185ee6a62454273479712.jpg2.3 MiB
static.oschina.net/oschina/web/v2/js/vendor-lTVsnz0g.js658.2 KiB
static.oschina.net/oschina/web/v2/js/vendor-ant-design-vue-DGRUmHR_.js335.1 KiB
static.oschina.net/oschina/web/v2/js/vendor-highlight.js-CjWx2Jci.js270.1 KiB
ai.gitee.com/api/pay/service/operations208.1 KiB
oscimg.oschina.net/oscnet/up-aa112e14274775ac3b7d5978d1d812c4567.png162.2 KiB
static.oschina.net/oschina/web/v2/js/svg-icons-CE-IQ-Wd.js160.7 KiB
oscimg.oschina.net/oscnet/up-d61e4b3d364fb878e1a4283dd8e1d144362.jpg139.5 KiB
oscimg.oschina.net/oscnet/up-402a6034124474bfef8dfc5b4b2bac1ce5c.png135.4 KiB
static.oschina.net/uploads/space/2026/0422/105836_QerK_2720166.png103.7 KiB

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

●Layout shift culprits
●Optimize DOM size
●Font display
●Modern HTTP
●Optimize viewport for mobile
●Minify CSS
●Avoid long main-thread tasks 12 long tasks found
●Avoid non-composited animations 18 animated elements found
●Image elements have explicit `width` and `height`
●Network Requests
●Network Round Trip Times 310 ms
●Server Backend Latencies 680 ms
●Tasks
●Diagnostics
●Metrics
●Screenshot Thumbnails
●Final Screenshot
●Script Treemap Data
●Resources Summary
●Initial server response time was short Root document took 270 ms
○INP breakdown
○User Timing marks and measures
○Avoid large layout shifts
87

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
登录 div.header-box > div.header-bottom > div.header-box__inner__box > a.item
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推荐 div.ant-tabs-nav-wrap > div.ant-tabs-nav-list > div.ant-tabs-tab > div#rc-tabs-2-tab-hot
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2026年，人形机器人排队进厂"拧螺丝"。 但一个尴尬的现实是：机器人能精准拧好每一颗螺栓，却不知道下一颗该拧哪辆车上的哪个位置。它缺的不是灵巧手，而是一个能… div.list-item > div.main-data-item > div.list-item-top > div.item-det-intr
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VirtualBox 是一款功能强大的 x86 虚拟机软件，它不仅具有丰富的特色，而且性能也很优异。VirtualBox 7.2.8 现已发布，这是一个维护版… div.list-item > div.main-data-item > div.list-item-top > div.item-det-intr
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你有没有觉得,有时候明明没干什么,却特别累;或者情绪像坐过山车,上一秒还好好的,下一秒就烦得不行;再或者,睡眠乱糟糟的,皮肤状态也时好时坏。这些说不清道不明的… div.list-item > div.main-data-item > div.list-item-top > div.item-det-intr
阿里巴巴宣布正式发布生态级AI助手数字人形象——“千问小酒窝”。 公告称，在千问 App中找到“小酒窝”，不论做规划、解难题，还是订餐、买票、打车，都能在简单… div.list-item > div.main-data-item > div.list-item-top > div.item-det-intr
Firefox 150.0 现已发布，具体更新内容如下： New Split View 功能进一步增强：现在可以右键单击任何链接，然后选择“Open Link… div.list-item > div.main-data-item > div.list-item-top > div.item-det-intr
Electron 是一个使用 JavaScript、HTML 和 CSS 构建跨平台的桌面应用程序。它基于 Node.js 和 Chromium，被 Atom… div.list-item > div.main-data-item > div.list-item-top > div.item-det-intr
Linux内核开发迎来重要里程碑。在7.1版本开发周期中，一套经过四年重构的全新NTFS内核驱动正式合入主线，被Linux之父Linus Torvalds形容… div.list-item > div.main-data-item > div.list-item-top > div.item-det-intr
自费 token plan 的话，能力越强烧 token 越多，烧 token 越多费用越高，费用越高到手工资越少，所以能力越强到手工资越少。 div.list-item > div.main-data-item > div.list-item-top > div.item-det-intr
《福布斯》日前发布了 2026 年 AI 50 强榜单。 从融资规模来看，这些公司共筹集了 3056 亿美元，其中 AI 巨头 OpenAI 和 Anthro… div.list-item > div.main-data-item > div.list-item-top > div.item-det-intr
Semi Design 是现代、全面、灵活的设计系统和 UI 库，由字节跳动抖音前端与 UED 团队设计、开发并维护，是一款包含设计语言、React 组件、主… div.list-item > div.main-data-item > div.list-item-top > div.item-det-intr
:star2: 代码改变世界，RISC-V 等你定义！ 开源的浪潮奔涌不息，芯片架构的技术革新正召唤着每一位开发者积极参与。作为RISC-V 繁荣生态的重要组… div.list-item > div.main-data-item > div.list-item-top > div.item-det-intr
2026 年 4 月 21 日，MySQL 官方同时发布了三个重要版本：8.0.46（8.0 线的最后一个版本）、8.4.9 LTS（当前 LTS 线的维护更… div.list-item > div.main-data-item > div.list-item-top > div.item-det-intr
2026 年 3 月 16 日，全球知名广告平台 PropellerAds 在斯里兰卡科伦坡举办的 Global Game Connect 2026（GGC）… div.list-item > div.main-data-item > div.list-item-top > div.item-det-intr

These are opportunities to improve the legibility of your content.

Navigation

Properly ordered headings that do not skip levels convey the semantic structure of the page, making it easier to navigate and understand when using assistive technologies. Learn more about heading order.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
别再围观机器人跳舞了，来看看它们到底是怎么被“做出来”的 div.news-list > div.news-item > div.news-content > h4.news-title

These are opportunities to improve keyboard navigation in your application.

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
div.item-content-oper > div.oper-user > span.ant-avatar > img div.item-content-oper > div.oper-user > span.ant-avatar > img
div.item-content-oper > div.oper-user > span.ant-avatar > img div.item-content-oper > div.oper-user > span.ant-avatar > img
div.item-content-oper > div.oper-user > span.ant-avatar > img div.item-content-oper > div.oper-user > span.ant-avatar > img
div.item-content-oper > div.oper-user > span.ant-avatar > img div.item-content-oper > div.oper-user > span.ant-avatar > img
div.item-content-oper > div.oper-user > span.ant-avatar > img div.item-content-oper > div.oper-user > span.ant-avatar > img
div.item-content-oper > div.oper-user > span.ant-avatar > img div.item-content-oper > div.oper-user > span.ant-avatar > img
div.item-content-oper > div.oper-user > span.ant-avatar > img div.item-content-oper > div.oper-user > span.ant-avatar > img
div.item-content-oper > div.oper-user > span.ant-avatar > img div.item-content-oper > div.oper-user > span.ant-avatar > img
div.item-content-oper > div.oper-user > span.ant-avatar > img div.item-content-oper > div.oper-user > span.ant-avatar > img
div.item-content-oper > div.oper-user > span.ant-avatar > img div.item-content-oper > div.oper-user > span.ant-avatar > img
div.item-content-oper > div.oper-user > span.ant-avatar > img div.item-content-oper > div.oper-user > span.ant-avatar > img
div.item-content-oper > div.oper-user > span.ant-avatar > img div.item-content-oper > div.oper-user > span.ant-avatar > img
div.item-content-oper > div.oper-user > span.ant-avatar > img div.item-content-oper > div.oper-user > span.ant-avatar > img
div.item-content-oper > div.oper-user > span.ant-avatar > img div.item-content-oper > div.oper-user > span.ant-avatar > img
div.item-content-oper > div.oper-user > span.ant-avatar > img div.item-content-oper > div.oper-user > span.ant-avatar > img
div.item-content-oper > div.oper-user > span.ant-avatar > img div.item-content-oper > div.oper-user > span.ant-avatar > img
div.item-content-oper > div.oper-user > span.ant-avatar > img div.item-content-oper > div.oper-user > span.ant-avatar > img
div.item-content-oper > div.oper-user > span.ant-avatar > img div.item-content-oper > div.oper-user > span.ant-avatar > img
div.item-content-oper > div.oper-user > span.ant-avatar > img div.item-content-oper > div.oper-user > span.ant-avatar > img
div.item-content-oper > div.oper-user > span.ant-avatar > img div.item-content-oper > div.oper-user > span.ant-avatar > img
div.item-content-oper > div.oper-user > span.ant-avatar > img div.item-content-oper > div.oper-user > span.ant-avatar > img
div.item-content-oper > div.oper-user > span.ant-avatar > img div.item-content-oper > div.oper-user > span.ant-avatar > img
div.item-content-oper > div.oper-user > span.ant-avatar > img div.item-content-oper > div.oper-user > span.ant-avatar > img
div.item-content-oper > div.oper-user > span.ant-avatar > img div.item-content-oper > div.oper-user > span.ant-avatar > img

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.header-container > div.header-box > div.header-bottom > a.nav-bar-h5 div.header-container > div.header-box > div.header-bottom > a.nav-bar-h5

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.

○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>`
●`[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
●`[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.
●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
●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
●Touch targets have sufficient size and spacing.
●Document has a main landmark.
●Deprecated ARIA roles were not used
●Image elements do not have `[alt]` attributes that are redundant text.
○`[accesskey]` values are unique
○`button`, `link`, and `menuitem` elements have accessible names
○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
○`<frame>` or `<iframe>` elements have a title
○`<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
○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.
○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.
○Uses ARIA roles only on compatible elements
○Identical links have the same purpose.
○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)
微信公众号 div.scan-qr-code > div.box > div.ant-image > img.ant-image-img
static.oschina.net/new-osc/img/page/app/app_qrcodeV2.png5 x 400 (0.01)400 x 400 (1.00)

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.
hm.baidu.com/hm.js?a411c4d1664dd70048ee98afe7b28f0b line 1, col 274

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.

URL
static.oschina.net/oschina/web/v2/js/vendor-lTVsnz0g.js
static.oschina.net/oschina/web/v2/js/vendor-highlight.js-CjWx2Jci.js
static.oschina.net/oschina/web/v2/js/vendor-ant-design-vue-DGRUmHR_.js
hmcdn.baidu.com/static/tongji/plugins/UrlChangeTracker.js
●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
○Redirects HTTP traffic to HTTPS
○Mitigate clickjacking with XFO or CSP
85

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
ellipsis div > div.item-content-oper > div.oper-share > a.ant-dropdown-link
ellipsis div > div.item-content-oper > div.oper-share > a.ant-dropdown-link
ellipsis div > div.item-content-oper > div.oper-share > a.ant-dropdown-link
ellipsis div > div.item-content-oper > div.oper-share > a.ant-dropdown-link
ellipsis div > div.item-content-oper > div.oper-share > a.ant-dropdown-link
ellipsis div > div.item-content-oper > div.oper-share > a.ant-dropdown-link
ellipsis div > div.item-content-oper > div.oper-share > a.ant-dropdown-link
ellipsis div > div.item-content-oper > div.oper-share > a.ant-dropdown-link
ellipsis div > div.item-content-oper > div.oper-share > a.ant-dropdown-link
ellipsis div > div.item-content-oper > div.oper-share > a.ant-dropdown-link
ellipsis div > div.item-content-oper > div.oper-share > a.ant-dropdown-link
ellipsis div > div.item-content-oper > div.oper-share > a.ant-dropdown-link
ellipsis div > div.item-content-oper > div.oper-share > a.ant-dropdown-link
ellipsis div > div.item-content-oper > div.oper-share > a.ant-dropdown-link
ellipsis div > div.item-content-oper > div.oper-share > a.ant-dropdown-link
ellipsis div > div.item-content-oper > div.oper-share > a.ant-dropdown-link
ellipsis div > div.item-content-oper > div.oper-share > a.ant-dropdown-link
ellipsis div > div.item-content-oper > div.oper-share > a.ant-dropdown-link
ellipsis div > div.item-content-oper > div.oper-share > a.ant-dropdown-link
ellipsis div > div.item-content-oper > div.oper-share > a.ant-dropdown-link
ellipsis div > div.item-content-oper > div.oper-share > a.ant-dropdown-link
ellipsis div > div.item-content-oper > div.oper-share > a.ant-dropdown-link
ellipsis div > div.item-content-oper > div.oper-share > a.ant-dropdown-link
ellipsis div > div.item-content-oper > div.oper-share > a.ant-dropdown-link
ellipsis div > div.item-content-oper > div.oper-share > a.ant-dropdown-link
ellipsis div > div.item-content-oper > div.oper-share > a.ant-dropdown-link
ellipsis div > div.item-content-oper > div.oper-share > a.ant-dropdown-link
ellipsis div > div.item-content-oper > div.oper-share > a.ant-dropdown-link
ellipsis div > div.item-content-oper > div.oper-share > a.ant-dropdown-link
ellipsis div > div.item-content-oper > div.oper-share > a.ant-dropdown-link
更 多 + div.latest-news-container > div.news-header > div.header-content > a.box-more
查看更多 + div > div.gitee-project-recommend > div.recommend-header > a.view-more
开始造物 div.container > div.title > div.list > a.item
投递新闻 div.container > div.title > div.list > a.item
软件投递 div.container > div.title > div.list > a.item

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
div.item-content-oper > div.oper-user > span.ant-avatar > img div.item-content-oper > div.oper-user > span.ant-avatar > img
div.item-content-oper > div.oper-user > span.ant-avatar > img div.item-content-oper > div.oper-user > span.ant-avatar > img
div.item-content-oper > div.oper-user > span.ant-avatar > img div.item-content-oper > div.oper-user > span.ant-avatar > img
div.item-content-oper > div.oper-user > span.ant-avatar > img div.item-content-oper > div.oper-user > span.ant-avatar > img
div.item-content-oper > div.oper-user > span.ant-avatar > img div.item-content-oper > div.oper-user > span.ant-avatar > img
div.item-content-oper > div.oper-user > span.ant-avatar > img div.item-content-oper > div.oper-user > span.ant-avatar > img
div.item-content-oper > div.oper-user > span.ant-avatar > img div.item-content-oper > div.oper-user > span.ant-avatar > img
div.item-content-oper > div.oper-user > span.ant-avatar > img div.item-content-oper > div.oper-user > span.ant-avatar > img
div.item-content-oper > div.oper-user > span.ant-avatar > img div.item-content-oper > div.oper-user > span.ant-avatar > img
div.item-content-oper > div.oper-user > span.ant-avatar > img div.item-content-oper > div.oper-user > span.ant-avatar > img
div.item-content-oper > div.oper-user > span.ant-avatar > img div.item-content-oper > div.oper-user > span.ant-avatar > img
div.item-content-oper > div.oper-user > span.ant-avatar > img div.item-content-oper > div.oper-user > span.ant-avatar > img
div.item-content-oper > div.oper-user > span.ant-avatar > img div.item-content-oper > div.oper-user > span.ant-avatar > img
div.item-content-oper > div.oper-user > span.ant-avatar > img div.item-content-oper > div.oper-user > span.ant-avatar > img
div.item-content-oper > div.oper-user > span.ant-avatar > img div.item-content-oper > div.oper-user > span.ant-avatar > img
div.item-content-oper > div.oper-user > span.ant-avatar > img div.item-content-oper > div.oper-user > span.ant-avatar > img
div.item-content-oper > div.oper-user > span.ant-avatar > img div.item-content-oper > div.oper-user > span.ant-avatar > img
div.item-content-oper > div.oper-user > span.ant-avatar > img div.item-content-oper > div.oper-user > span.ant-avatar > img
div.item-content-oper > div.oper-user > span.ant-avatar > img div.item-content-oper > div.oper-user > span.ant-avatar > img
div.item-content-oper > div.oper-user > span.ant-avatar > img div.item-content-oper > div.oper-user > span.ant-avatar > img
div.item-content-oper > div.oper-user > span.ant-avatar > img div.item-content-oper > div.oper-user > span.ant-avatar > img
div.item-content-oper > div.oper-user > span.ant-avatar > img div.item-content-oper > div.oper-user > span.ant-avatar > img
div.item-content-oper > div.oper-user > span.ant-avatar > img div.item-content-oper > div.oper-user > span.ant-avatar > img
div.item-content-oper > div.oper-user > span.ant-avatar > img div.item-content-oper > div.oper-user > span.ant-avatar > 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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