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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.

21

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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globalstore.amazon.cn/js/lang-48e3b940.ded4768d5ee0b52b.js0.0 ms51.6 KiB
m.media-amazon.com/images/G/28/GateWay/Brand/TCG/TCG_PCA._SY4375_TTW_.jpg604800.0 s439.0 KiB
globalstore.amazon.cn/js/lang-72d7738a.4ae1e0ee962ef0e2.js0.0 ms38.5 KiB
globalstore.amazon.cn/css/vant-4178c8cb.9a73e313.css0.0 ms35.6 KiB
globalstore.amazon.cn/js/chunk-vendors-ab4b23a7.b6761773e088d998.js0.0 ms33.2 KiB
globalstore.amazon.cn/js/vant-4178c8cb.dad9f28678d7f904.js0.0 ms31.1 KiB
globalstore.amazon.cn/js/utils-bf0f7779.e3568427a1d549b9.js0.0 ms30.2 KiB
m.media-amazon.com/images/G/28/GateWay/Brand/TCG/TCG_NewSL._SY4375_TTW_.webp604800.0 s292.0 KiB
m.media-amazon.com/images/G/28/GateWay/Brand/TCG/TCG_Beauty_1._SY4375_TTW_.webp604800.0 s274.7 KiB
globalstore.amazon.cn/js/7128.d2c8253d6fdaecd2.js0.0 ms27.2 KiB
globalstore.amazon.cn/js/lodash-cde209af.c1f576c0840e3be0.js0.0 ms25.6 KiB
globalstore.amazon.cn/js/vant-1fca8ce2.aa809d95a4540b6f.js0.0 ms25.5 KiB
globalstore.amazon.cn/js/3444.7d1e106c7bdab8e1.js0.0 ms24.9 KiB
globalstore.amazon.cn/js/9044.3fc731e1f1367bde.js0.0 ms24.2 KiB
globalstore.amazon.cn/js/5530.56d218df70fac6b0.js0.0 ms21.1 KiB
globalstore.amazon.cn/js/5384.81f30c6b3329bb22.js0.0 ms20.2 KiB
globalstore.amazon.cn/js/vue-8c31e91d.513a9c19ab3f3000.js0.0 ms19.3 KiB
globalstore.amazon.cn/js/9357.b0583dc21a12deed.js0.0 ms19.0 KiB
globalstore.amazon.cn/js/axios.19d4494eb1877443.js0.0 ms18.9 KiB
globalstore.amazon.cn/js/chunk-components-41e777e1.a04540116a217a75.js0.0 ms18.4 KiB
globalstore.amazon.cn/js/swiper-debcf2ad.e19ef8ffd785a8d3.js0.0 ms18.2 KiB
globalstore.amazon.cn/js/chunk-components-5420e244.8406e788ba66200a.js0.0 ms16.1 KiB
globalstore.amazon.cn/js/logica.c33ce8bb6de5dbea.js0.0 ms14.2 KiB
globalstore.amazon.cn/img/Gateway_Top_Search_CN.870558f5.svg0.0 ms14.2 KiB
globalstore.amazon.cn/js/main.e6290724ec5c1c37.js0.0 ms13.5 KiB
globalstore.amazon.cn/js/vue-5a805870.e28e23b1863f7773.js0.0 ms13.4 KiB
globalstore.amazon.cn/js/swiper-a9a8c684.a145160598571611.js0.0 ms13.0 KiB
/images/G/28/GateWay/Brand/TCG/TCG_Nutrition_SS._SY4375_T...604800.0 s129.0 KiB
globalstore.amazon.cn/js/5476.67002d49df322ce2.js0.0 ms12.9 KiB
/images/G/28/GW2025/Event2026/ConsumablesWeek/GW_TCG._SY4...604800.0 s126.7 KiB
m.media-amazon.com/images/G/28/GateWay/PA/PA_TCG_1._SY4375_TTW_.webp604800.0 s118.9 KiB
globalstore.amazon.cn/js/3799.1c7aa59fa3be338f.js0.0 ms11.5 KiB
/images/G/28/GateWay/Brand/BTF/BTF_MeadJohnson._SY4375_TT...604800.0 s114.5 KiB
/images/G/28/GateWay/Brand/BTF/BTF_BD_Projects._SY1792_TT...604800.0 s113.0 KiB
globalstore.amazon.cn/js/chunk-components-d9058580.b1d78b2e84fff093.js0.0 ms10.8 KiB
globalstore.amazon.cn/js/lodash-2247302d.9a415a0df8f692d6.js0.0 ms10.8 KiB
globalstore.amazon.cn/js/1387.b9b414db79bd52db.js0.0 ms10.2 KiB
globalstore.amazon.cn/css/3321.ddd26100.css0.0 ms9.7 KiB
globalstore.amazon.cn/js/2502.d17e45c202af19d6.js0.0 ms9.6 KiB
m.media-amazon.com/images/G/28/GateWay/Group/202601_TCG._SY4375_TTW_.webp604800.0 s94.6 KiB
globalstore.amazon.cn/css/8749.2c6c5d9a.css0.0 ms9.1 KiB
globalstore.amazon.cn/js/8707.fe66f2281cacdb3d.js0.0 ms8.8 KiB
globalstore.amazon.cn/js/8643.a6b7867ae86e92e1.js0.0 ms8.5 KiB
globalstore.amazon.cn/css/6217.d70d8567.css0.0 ms8.3 KiB
globalstore.amazon.cn/css/1976.ff256763.css0.0 ms8.3 KiB
globalstore.amazon.cn/css/9477.369cce6c.css0.0 ms8.1 KiB
globalstore.amazon.cn/js/2680.3661d39e429f1238.js0.0 ms8.0 KiB
globalstore.amazon.cn/css/7786.4736893c.css0.0 ms8.0 KiB
m.media-amazon.com/images/G/28/GW2025/DE/DE_TCG_Short._SY4375_TTW_.webp604800.0 s79.0 KiB
globalstore.amazon.cn/js/3516.076c520f1a2e8db4.js0.0 ms7.9 KiB
m.media-amazon.com/images/G/28/GW2024/Test/DOTD2.jpg86400.0 s19.5 KiB
globalstore.amazon.cn/js/chunk-vendors-bbef6fab.22b1a4535e1cee1b.js0.0 ms7.7 KiB
globalstore.amazon.cn/js/utils-109efd11.f992fc0e6022ece3.js0.0 ms7.7 KiB
globalstore.amazon.cn/css/3467.9461d242.css0.0 ms7.7 KiB
globalstore.amazon.cn/css/vant-1fca8ce2.e7361f8b.css0.0 ms7.7 KiB
globalstore.amazon.cn/css/861.1f4c9f1d.css0.0 ms7.4 KiB
globalstore.amazon.cn/js/composables.0104a114ece1d9ae.js0.0 ms7.1 KiB
globalstore.amazon.cn/css/3368.f5bd4d0d.css0.0 ms7.1 KiB
m.media-amazon.com/images/G/28/GateWay/NBGFD/BTF_UN._SY4375_TTW_.webp604800.0 s69.4 KiB
globalstore.amazon.cn/css/2099.00f61a2f.css0.0 ms6.9 KiB
m.media-amazon.com/images/G/28/GateWay/Brand/BTF/BTF_Ads._SY4375_TTW_.jpg604800.0 s66.0 KiB
globalstore.amazon.cn/js/chunk-components-726ca0ca.4708ec85065ef174.js0.0 ms6.3 KiB
globalstore.amazon.cn/js/969.fc6192155783568c.js0.0 ms6.1 KiB
images-cn.ssl-images-amazon.com/images/G/28/NewforCN/GW-button.png86400.0 s14.8 KiB
m.media-amazon.com/images/G/28/GateWay/Brand/BTF/BTF_Camping._SY4375_TTW_.webp604800.0 s57.6 KiB
globalstore.amazon.cn/css/7073.8523b6eb.css0.0 ms5.7 KiB
globalstore.amazon.cn/css/625.f16a8a3e.css0.0 ms5.7 KiB
globalstore.amazon.cn/css/9647.b8a10338.css0.0 ms5.6 KiB
/images/G/28/GW2025/Event2026/ConsumablesWeek/GW_ATF_2_1....604800.0 s55.1 KiB
globalstore.amazon.cn/css/35.bd878ada.css0.0 ms5.5 KiB
globalstore.amazon.cn/js/chunk-components-fdfe9809.dc403562fe9188d2.js0.0 ms5.4 KiB
globalstore.amazon.cn/js/3835.670f25de64c56327.js0.0 ms5.4 KiB
globalstore.amazon.cn/css/2942.b00ea624.css0.0 ms5.4 KiB
globalstore.amazon.cn/css/1935.1cbaa341.css0.0 ms5.3 KiB
globalstore.amazon.cn/css/1173.e2ce3f92.css0.0 ms5.2 KiB
globalstore.amazon.cn/css/502.06b52c34.css0.0 ms5.2 KiB
globalstore.amazon.cn/css/481.afd82245.css0.0 ms5.0 KiB
globalstore.amazon.cn/css/4341.04581ea6.css0.0 ms5.0 KiB
m.media-amazon.com/images/G/28/ziyye/NCcoupon/B300G20._SY4375_TTW_.webp604800.0 s49.8 KiB
globalstore.amazon.cn/css/2647.89d3ac82.css0.0 ms4.8 KiB
m.media-amazon.com/images/G/28/GateWay/Brand/BTF/BTF_TShirt._SY4375_TTW_.webp604800.0 s48.0 KiB
globalstore.amazon.cn/css/835.2bd3886f.css0.0 ms4.8 KiB
/images/G/28/GW2025/Event2026/ConsumablesWeek/GW_ATF_1_1....604800.0 s47.8 KiB
globalstore.amazon.cn/css/swiper-a9a8c684.55f371f7.css0.0 ms4.7 KiB
globalstore.amazon.cn/css/3022.687d5bcd.css0.0 ms4.7 KiB
globalstore.amazon.cn/css/4440.e123cbe3.css0.0 ms4.6 KiB
globalstore.amazon.cn/css/7820.02244984.css0.0 ms4.6 KiB
globalstore.amazon.cn/css/4875.c7187f18.css0.0 ms4.4 KiB
globalstore.amazon.cn/css/203.8dd15688.css0.0 ms4.4 KiB
m.media-amazon.com/images/G/28/Coupon/202601/floating-bar-rc.png86400.0 s11.0 KiB
globalstore.amazon.cn/css/1719.f2a27550.css0.0 ms4.2 KiB
globalstore.amazon.cn/js/1722.8827c24b6ba7f4d3.js0.0 ms4.1 KiB
globalstore.amazon.cn/css/932.12af7832.css0.0 ms4.1 KiB
globalstore.amazon.cn/css/81.aa564499.css0.0 ms3.9 KiB
globalstore.amazon.cn/css/2601.7d7ba56e.css0.0 ms3.9 KiB
/images/G/28/GateWay/Brand/BTF/BTF_Toys_Spring._SY4375_TT...604800.0 s38.6 KiB
globalstore.amazon.cn/js/4684.b1cf346b4965fdab.js0.0 ms3.8 KiB
globalstore.amazon.cn/gateway?isShare=true#ffffff0.0 ms3.8 KiB
globalstore.amazon.cn/css/3066.1addbe01.css0.0 ms3.8 KiB
globalstore.amazon.cn/css/3908.8ac3cdd4.css0.0 ms3.8 KiB
globalstore.amazon.cn/css/1880.43f83c0d.css0.0 ms3.7 KiB
globalstore.amazon.cn/css/8791.af91fe96.css0.0 ms3.7 KiB
globalstore.amazon.cn/css/4751.9412615d.css0.0 ms3.6 KiB
globalstore.amazon.cn/css/9317.0aa053c1.css0.0 ms3.6 KiB
globalstore.amazon.cn/js/4644.d4684debf54616fc.js0.0 ms3.5 KiB
globalstore.amazon.cn/css/2368.0895c672.css0.0 ms3.4 KiB
globalstore.amazon.cn/css/6411.4f0e2b50.css0.0 ms3.1 KiB
globalstore.amazon.cn/js/vue-62e2f145.0e59c3180b43f0c4.js0.0 ms3.1 KiB
globalstore.amazon.cn/css/3458.520199fb.css0.0 ms3.1 KiB
m.media-amazon.com/images/G/28/GW2024/BAU/Shortcut/Highlight/3.png86400.0 s6.6 KiB
m.media-amazon.com/images/G/28/GW2024/BAU/Shortcut/Highlight/31.png86400.0 s6.4 KiB
/images/G/28/GateWay/Brand/BTF/BTF_Tautropfen._SY4375_TTW...604800.0 s24.5 KiB
m.media-amazon.com/images/G/28/GW2024/BAU/Shortcut/Highlight/10.png86400.0 s6.0 KiB
m.media-amazon.com/images/G/28/GateWay/Brand/BTF/BTF_Owala_1._SY4375_TTW_.webp604800.0 s19.8 KiB
m.media-amazon.com/images/G/28/HUHE/New_GS_APP/Homepage/Demo/gg.png86400.0 s4.7 KiB
m.media-amazon.com/images/G/28/GW2024/Test/GW03-04.jpg86400.0 s4.7 KiB
m.media-amazon.com/images/G/28/GW2024/Test/GW03-07.jpg86400.0 s4.2 KiB
m.media-amazon.com/images/G/28/GW2024/Test/GW03-06.jpg86400.0 s4.1 KiB
globalstore.amazon.cn/js/vue-5f3896cf.94e5523cca9a0263.js0.0 ms1.4 KiB
/images/G/28/HUHE/New_GS_APP/Homepage/FormalVersion/back-...86400.0 s3.5 KiB
globalstore.amazon.cn/js/6167.5c55893d53f1c6da.js0.0 ms1.3 KiB
globalstore.amazon.cn/js/6510.cafe40c8e13a7fb5.js0.0 ms1.2 KiB
globalstore.amazon.cn/js/7816.22e2215e70586ce7.js0.0 ms1.0 KiB
/images/G/28/GateWay/Homepage/Shortcut/BAU_Captain._SY438...604800.0 s8.0 KiB
globalstore.amazon.cn/js/1330.6d0372b8579f0b91.js0.0 ms777 B
globalstore.amazon.cn/css/1942.5747f529.css0.0 ms753 B
/images/G/28/GateWay/Homepage/Shortcut/BAU_DOTD._SY438_TT...604800.0 s5.7 KiB
/images/G/28/GateWay/Homepage/Shortcut/BAU_Sports._SY438_...604800.0 s5.7 KiB
/images/G/28/GateWay/Homepage/Shortcut/BAU_NBGFD._SY438_T...604800.0 s5.4 KiB
globalstore.amazon.cn/css/3027.05be3ed6.css0.0 ms535 B
/images/G/28/GateWay/Homepage/Shortcut/BAU_Electronics._S...604800.0 s5.2 KiB
m.media-amazon.com/images/G/28/NewApp/04_BadgeLogo/Logo_Settings3x._TTW_.png604800.0 s5.2 KiB
globalstore.amazon.cn/js/3556.881b76bdd1f0d747.js0.0 ms520 B
m.media-amazon.com/images/G/28/GateWay/Homepage/Shortcut/BAU_OHL._SY438_TTW_.jpg604800.0 s5.0 KiB
/images/G/28/GateWay/Homepage/Shortcut/BAU_Shoes._SY438_T...604800.0 s4.8 KiB
/images/G/28/GlobalStoreMobileShoppingWebapp/assets/svg/d...86400.0 s1.1 KiB
/images/G/28/GateWay/Homepage/Shortcut/BAU_Apparel._SY438...604800.0 s4.4 KiB
/images/G/28/GateWay/Homepage/Shortcut/BAU_Baby._SY438_TT...604800.0 s4.4 KiB
/images/G/28/GateWay/Homepage/Shortcut/BAU_Nutrition._SY4...604800.0 s4.3 KiB
/images/G/28/GlobalStoreMobileShoppingWebapp/assets/image...86400.0 s1.1 KiB
/images/G/28/GateWay/Homepage/Shortcut/BAU_Beauty._SY438_...604800.0 s4.0 KiB
m.media-amazon.com/images/G/28/GateWay/Homepage/Shortcut/BAU_PA._SY438_TTW_.jpg604800.0 s3.9 KiB
globalstore.amazon.cn/js/3027.5bb29eba69bc820d.js0.0 ms390 B
globalstore.amazon.cn/js/1942.9661db9764156a0f.js0.0 ms388 B
globalstore.amazon.cn/css/6312.39e2702f.css0.0 ms283 B
globalstore.amazon.cn/css/3516.7bb74325.css0.0 ms244 B
/images/G/28/NewApp/10_Assets/01_DummyImage/DummyImage_As...604800.0 s2.2 KiB
m.media-amazon.com/images/G/28/NewApp/04_BadgeLogo/Badge_US3x._TTW_.png604800.0 s2.1 KiB
globalstore.amazon.cn/css/8158.4f034e44.css0.0 ms175 B
m.media-amazon.com/images/G/28/NewApp/04_BadgeLogo/Badge_DE3x._TTW_.png604800.0 s1.7 KiB
globalstore.amazon.cn/css/7591.124b309f.css0.0 ms174 B
/images/G/28/GlobalStoreMobileShoppingWebapp/assets/svg/i...604800.0 s1.3 KiB

Layout shifts occur when elements move absent any user interaction. Investigate the causes of layout shifts, such as elements being added, removed, or their fonts changing as the page loads.

Why this matters

Performance issues directly impact user engagement and conversion rates.

headings: [map[key:node label:Element subItemsHeading:map[key:extra] valueType:node] map[granularity:0.001 key:score label:Layout shift score subItemsHeading:map[key:cause valueType:text] valueType:numeric]]
items: [map[node:map[type:text value:Total] score:0.000871] map[node:map[boundingRect:map[bottom:32 height:26 left:251 right:326 top:6 width:75] lhId:page-26-BUTTON nodeLabel:打开APP path:1,HTML,1,BODY,1,DIV,0,DIV,1,DIV,0,DIV,0,DIV,0,DIV,0,DIV,2,DIV,0,BUTTON selector:div.detailPage-login-wrapper > div.detailPage-login-box > div.detailPage-login-button > button#loginToolTipId snippet:<button type="button" class="van-button van-button--default van-button--normal van-button--round" id="loginToolTipId"> type:node] score:0.000776 subItems:map[items:[map[cause:Unsized image element extra:map[boundingRect:map[bottom:810 height:50 left:62 right:350 top:760 width:288] lhId:page-20-IMG nodeLabel:Login button path:1,HTML,1,BODY,1,DIV,0,DIV,1,DIV,0,DIV,0,DIV,6,DIV,0,DIV,0,IMG selector:div.gateway-wrapper > div.gateway-login-wrapper > div.gateway-login-image-container > img.gateway-login-image snippet:<img src="https://images-cn.ssl-images-amazon.com/images/G/28/NewforCN/GW-button.png" class="gateway-login-image" alt="Login button" style="width: 70%;"> type:node]]] type:subitems]] map[score:6.6e-05] map[score:2.9e-05]]
headings: [map[key:node label:Element subItemsHeading:map[key:extra] valueType:node] map[granularity:0.001 key:score label:Layout shift score subItemsHeading:map[key:cause valueType:text] valueType:numeric]]
items: [map[node:map[type:text value:Total] score:0.323013] map[node:map[boundingRect:map[bottom:414 height:185 left:0 right:412 top:230 width:412] lhId:page-28-DIV nodeLabel:今日特惠 美妆个护 畅销热卖 营养保健 潮流服饰 电子数码 时尚鞋靴 进口家居 运动户外 母婴玩具 佣金暴涨 最快2日达 path:1,HTML,1,BODY,1,DIV,0,DIV,1,DIV,0,DIV,0,DIV,3,DIV,0,DIV,0,DIV,0,DIV,2,DIV selector:div.amz-pull-refresh-container > div.van-pull-refresh > div.van-pull-refresh__track > div snippet:<div data-v-566fefda="" class=""> type:node] score:0.216692] map[node:map[boundingRect:map[bottom:1925 height:111 left:0 right:412 top:1813 width:412] lhId:page-31-DIV nodeLabel:div.amz-pull-refresh-container > div.van-pull-refresh > div.van-pull-refresh__track > div path:1,HTML,1,BODY,1,DIV,0,DIV,1,DIV,0,DIV,0,DIV,3,DIV,0,DIV,0,DIV,0,DIV,8,DIV selector:div.amz-pull-refresh-container > div.van-pull-refresh > div.van-pull-refresh__track > div snippet:<div data-v-566fefda="" class=""> type:node] score:0.106321]]

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:22.413 source:map[column:6256 line:0 type:source-location url:https://globalstore.amazon.cn/js/swiper-a9a8c684.a145160598571611.js urlProvider:network]] map[reflowTime:39.155 source:map[column:11586 line:0 type:source-location url:https://globalstore.amazon.cn/js/swiper-debcf2ad.e19ef8ffd785a8d3.js urlProvider:network]] map[reflowTime:6.5 source:map[column:20241 line:0 type:source-location url:https://globalstore.amazon.cn/js/swiper-a9a8c684.a145160598571611.js urlProvider:network]] map[reflowTime:0.304 source:map[column:70499 line:0 type:source-location url:https://globalstore.amazon.cn/js/vant-1fca8ce2.aa809d95a4540b6f.js urlProvider:network]] map[reflowTime:6.743 source:map[column:55778 line:0 type:source-location url:https://globalstore.amazon.cn/js/3444.7d1e106c7bdab8e1.js urlProvider:network]] map[reflowTime:25.641 source:map[column:18431 line:0 type:source-location url:https://globalstore.amazon.cn/js/5530.56d218df70fac6b0.js urlProvider:network]] map[reflowTime:43.26 source:map[column:52531 line:0 type:source-location url:https://globalstore.amazon.cn/js/3444.7d1e106c7bdab8e1.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
div.detailPage-login-box > div.detailPage-login-logo > div.van-image > img.van-image__img div.detailPage-login-box > div.detailPage-login-logo > div.van-image > img.van-image__img
/images/G/28/GlobalStoreMobileShoppingWebapp/assets/image...700.7 KiB700.3 KiB
div.swiper > div.swiper-wrapper > div.swiper-slide > img.slide-img div.swiper > div.swiper-wrapper > div.swiper-slide > img.slide-img
m.media-amazon.com/images/G/28/GateWay/Brand/TCG/TCG_PCA._SY4375_TTW_.jpg438.2 KiB410.0 KiB
div.swiper > div.swiper-wrapper > div.swiper-slide > img.slide-img div.swiper > div.swiper-wrapper > div.swiper-slide > img.slide-img
m.media-amazon.com/images/G/28/GateWay/Brand/TCG/TCG_NewSL._SY4375_TTW_.webp291.2 KiB263.0 KiB
div.swiper > div.swiper-wrapper > div.swiper-slide > img.slide-img div.swiper > div.swiper-wrapper > div.swiper-slide > img.slide-img
m.media-amazon.com/images/G/28/GateWay/Brand/TCG/TCG_Beauty_1._SY4375_TTW_.webp274.0 KiB245.8 KiB
div.swiper > div.swiper-wrapper > div.swiper-slide > img.slide-img div.swiper > div.swiper-wrapper > div.swiper-slide > img.slide-img
/images/G/28/GateWay/Brand/TCG/TCG_Nutrition_SS._SY4375_T...128.2 KiB100.0 KiB
div.swiper > div.swiper-wrapper > div.swiper-slide > img.slide-img div.swiper > div.swiper-wrapper > div.swiper-slide > img.slide-img
/images/G/28/GW2025/Event2026/ConsumablesWeek/GW_TCG._SY4...126.0 KiB97.8 KiB
div.swiper > div.swiper-wrapper > div.swiper-slide > img.slide-img div.swiper > div.swiper-wrapper > div.swiper-slide > img.slide-img
/images/G/28/GateWay/Brand/BTF/BTF_MeadJohnson._SY4375_TT...113.8 KiB92.2 KiB
div.swiper > div.swiper-wrapper > div.swiper-slide > img.slide-img div.swiper > div.swiper-wrapper > div.swiper-slide > img.slide-img
m.media-amazon.com/images/G/28/GateWay/PA/PA_TCG_1._SY4375_TTW_.webp118.2 KiB90.9 KiB
div.swiper > div.swiper-wrapper > div.swiper-slide > img div.swiper > div.swiper-wrapper > div.swiper-slide > img
/images/G/28/GateWay/Brand/BTF/BTF_BD_Projects._SY1792_TT...112.3 KiB74.2 KiB
div.swiper > div.swiper-wrapper > div.swiper-slide > img.slide-img div.swiper > div.swiper-wrapper > div.swiper-slide > img.slide-img
m.media-amazon.com/images/G/28/GateWay/Group/202601_TCG._SY4375_TTW_.webp93.9 KiB72.2 KiB
div.swiper > div.swiper-wrapper > div.swiper-slide > img.slide-img div.swiper > div.swiper-wrapper > div.swiper-slide > img.slide-img
m.media-amazon.com/images/G/28/GW2025/DE/DE_TCG_Short._SY4375_TTW_.webp78.3 KiB60.2 KiB
div.swiper > div.swiper-wrapper > div.swiper-slide > img.slide-img div.swiper > div.swiper-wrapper > div.swiper-slide > img.slide-img
m.media-amazon.com/images/G/28/GateWay/NBGFD/BTF_UN._SY4375_TTW_.webp68.7 KiB47.0 KiB
div.swiper > div.swiper-wrapper > div.swiper-slide > img.slide-img div.swiper > div.swiper-wrapper > div.swiper-slide > img.slide-img
m.media-amazon.com/images/G/28/GateWay/Brand/BTF/BTF_Ads._SY4375_TTW_.jpg65.3 KiB43.7 KiB
div.swiper > div.swiper-wrapper > div.swiper-slide > img.slide-img div.swiper > div.swiper-wrapper > div.swiper-slide > img.slide-img
m.media-amazon.com/images/G/28/ziyye/NCcoupon/B300G20._SY4375_TTW_.webp49.1 KiB37.8 KiB
div.swiper > div.swiper-wrapper > div.swiper-slide > img.slide-img div.swiper > div.swiper-wrapper > div.swiper-slide > img.slide-img
m.media-amazon.com/images/G/28/GateWay/Brand/BTF/BTF_Camping._SY4375_TTW_.webp56.8 KiB35.2 KiB
div.swiper > div.swiper-wrapper > div.swiper-slide > img div.swiper > div.swiper-wrapper > div.swiper-slide > img
/images/G/28/GW2025/Event2026/ConsumablesWeek/GW_ATF_1_1....47.1 KiB30.3 KiB
div.swiper > div.swiper-wrapper > div.swiper-slide > img.slide-img div.swiper > div.swiper-wrapper > div.swiper-slide > img.slide-img
m.media-amazon.com/images/G/28/GateWay/Brand/BTF/BTF_TShirt._SY4375_TTW_.webp47.3 KiB25.6 KiB
div.swiper > div.swiper-wrapper > div.swiper-slide > img div.swiper > div.swiper-wrapper > div.swiper-slide > img
/images/G/28/GW2025/Event2026/ConsumablesWeek/GW_ATF_2_1....54.4 KiB17.6 KiB
div.swiper > div.swiper-wrapper > div.swiper-slide > img.slide-img div.swiper > div.swiper-wrapper > div.swiper-slide > img.slide-img
/images/G/28/GateWay/Brand/BTF/BTF_Toys_Spring._SY4375_TT...37.9 KiB16.2 KiB
div.gateway-wrapper > div.floating-window-wrapper > div.custom-module-area > img div.gateway-wrapper > div.floating-window-wrapper > div.custom-module-area > img
m.media-amazon.com/images/G/28/Coupon/202601/floating-bar-rc.png10.2 KiB9.0 KiB
Login button div.gateway-wrapper > div.gateway-login-wrapper > div.gateway-login-image-container > img.gateway-login-image
images-cn.ssl-images-amazon.com/images/G/28/NewforCN/GW-button.png14.2 KiB7.0 KiB
营养保健 badge div.grid-item-chunk-image > div.grid-item-chunk-badge > div.van-image > img.van-image__img
m.media-amazon.com/images/G/28/GW2024/BAU/Shortcut/Highlight/3.png5.9 KiB5.6 KiB
畅销热卖 div.grid-item-chunk > div.grid-item-chunk-image > div.van-image > img.van-image__img
/images/G/28/GateWay/Homepage/Shortcut/BAU_Captain._SY438...7.3 KiB5.5 KiB
美妆个护 badge div.grid-item-chunk-image > div.grid-item-chunk-badge > div.van-image > img.van-image__img
m.media-amazon.com/images/G/28/GW2024/BAU/Shortcut/Highlight/31.png5.7 KiB5.4 KiB
母婴玩具 badge div.grid-item-chunk-image > div.grid-item-chunk-badge > div.van-image > img.van-image__img
m.media-amazon.com/images/G/28/GW2024/BAU/Shortcut/Highlight/10.png5.3 KiB5.0 KiB
div.detailPage-login-box > div.detailPage-login-main > div.van-image > img.van-image__img div.detailPage-login-box > div.detailPage-login-main > div.van-image > img.van-image__img
m.media-amazon.com/images/G/28/NewApp/04_BadgeLogo/Logo_Settings3x._TTW_.png4.4 KiB4.0 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:1923.6909990234376 label:Time to first byte subpart:timeToFirstByte] map[duration:4718.467000976562 label:Resource load delay subpart:resourceLoadDelay] map[duration:121.707 label:Resource load duration subpart:resourceLoadDuration] map[duration:57.529 label:Element render delay subpart:elementRenderDelay]]
lhId: page-17-IMG
nodeLabel: div.swiper > div.swiper-wrapper > div.swiper-slide > img
path: 1,HTML,1,BODY,1,DIV,0,DIV,1,DIV,0,DIV,0,DIV,3,DIV,0,DIV,0,DIV,0,DIV,5,DIV,0,DIV,0,DIV,0,DIV,0,DIV,0,IMG
selector: div.swiper > div.swiper-wrapper > div.swiper-slide > img
snippet: <img src="https://m.media-amazon.com/images/G/28/GW2025/Event2026/ConsumablesWeek/GW…" fetchpriority="high" loading="eager">

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-17-IMG
nodeLabel: div.swiper > div.swiper-wrapper > div.swiper-slide > img
path: 1,HTML,1,BODY,1,DIV,0,DIV,1,DIV,0,DIV,0,DIV,3,DIV,0,DIV,0,DIV,0,DIV,5,DIV,0,DIV,0,DIV,0,DIV,0,DIV,0,IMG
selector: div.swiper > div.swiper-wrapper > div.swiper-slide > img
snippet: <img src="https://m.media-amazon.com/images/G/28/GW2025/Event2026/ConsumablesWeek/GW…" fetchpriority="high" loading="eager">

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

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

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: 2.6 s
URLTime Spent
amazon.cn/1.2 s
www.amazon.cn/1.4 s
globalstore.amazon.cn/gateway?isShare=true0.0 ms

These are the largest layout shifts observed on the page. Each table item represents a single layout shift, and shows the element that shifted the most. Below each item are possible root causes that led to the layout shift. Some of these layout shifts may not be included in the CLS metric value due to windowing. Learn how to improve CLS

Why this matters

Performance issues directly impact user engagement and conversion rates.

ElementLayout shift score
今日特惠 美妆个护 畅销热卖 营养保健 潮流服饰 电子数码 时尚鞋靴 进口家居 运动户外 母婴玩具 佣金暴涨 最快2日达 div.amz-pull-refresh-container > div.van-pull-refresh > div.van-pull-refresh__track > div
0.217
div.amz-pull-refresh-container > div.van-pull-refresh > div.van-pull-refresh__track > div div.amz-pull-refresh-container > div.van-pull-refresh > div.van-pull-refresh__track > div
0.106
打开APP div.detailPage-login-wrapper > div.detailPage-login-box > div.detailPage-login-button > button#loginToolTipId
0.001
0.000
0.000

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: 320 ms 29.7 KiB
URLTransfer SizeEst Savings
globalstore.amazon.cn/css/vant-4178c8cb.9a73e313.css35.4 KiB29.7 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: 450 ms 50.3 KiB
URLTransfer SizeEst Savings
globalstore.amazon.cn/js/lodash-cde209af.c1f576c0840e3be0.js25.3 KiB25.3 KiB
globalstore.amazon.cn/js/vant-4178c8cb.dad9f28678d7f904.js30.9 KiB25.0 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
globalstore.amazon.cn/js/6510.cafe40c8e13a7fb5.js1.4 s706 ms0.4 ms
Unattributable863 ms148 ms0.0 ms
globalstore.amazon.cn/gateway?isShare=true821 ms4.1 ms1.7 ms
globalstore.amazon.cn/js/swiper-a9a8c684.a145160598571611.js596 ms148 ms3.7 ms
globalstore.amazon.cn/js/3444.7d1e106c7bdab8e1.js402 ms276 ms5.0 ms
globalstore.amazon.cn/js/5530.56d218df70fac6b0.js203 ms142 ms6.1 ms
globalstore.amazon.cn/js/7128.d2c8253d6fdaecd2.js189 ms180 ms8.1 ms
globalstore.amazon.cn/js/swiper-debcf2ad.e19ef8ffd785a8d3.js151 ms31 ms5.7 ms
globalstore.amazon.cn/js/3835.670f25de64c56327.js108 ms76 ms1.0 ms
globalstore.amazon.cn/js/3556.881b76bdd1f0d747.js101 ms89 ms0.6 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 Evaluation2.0 s
Style & Layout1.5 s
Other1.4 s
Rendering220 ms
Script Parsing & Compilation148 ms
Parse HTML & CSS51 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
Internal error.Not actionable

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
/images/G/28/GlobalStoreMobileShoppingWebapp/assets/fonts...913.8 KiB
/images/G/28/GlobalStoreMobileShoppingWebapp/assets/image...702.3 KiB
m.media-amazon.com/images/G/28/GateWay/Brand/TCG/TCG_PCA._SY4375_TTW_.jpg439.0 KiB
m.media-amazon.com/images/G/28/GateWay/Brand/TCG/TCG_NewSL._SY4375_TTW_.webp292.0 KiB
m.media-amazon.com/images/G/28/GateWay/Brand/TCG/TCG_Beauty_1._SY4375_TTW_.webp274.7 KiB
/images/G/28/GateWay/Brand/TCG/TCG_Nutrition_SS._SY4375_T...129.0 KiB
/images/G/28/GW2025/Event2026/ConsumablesWeek/GW_TCG._SY4...126.7 KiB
m.media-amazon.com/images/G/28/GateWay/PA/PA_TCG_1._SY4375_TTW_.webp118.9 KiB
/images/G/28/GateWay/Brand/BTF/BTF_MeadJohnson._SY4375_TT...114.5 KiB
/images/G/28/GateWay/Brand/BTF/BTF_BD_Projects._SY1792_TT...113.0 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
Login button div.gateway-wrapper > div.gateway-login-wrapper > div.gateway-login-image-container > img.gateway-login-image
images-cn.ssl-images-amazon.com/images/G/28/NewforCN/GW-button.png
div.switch-label-tabs-wrapper > div.switch-label-area > div.switch-label-img-box > img div.switch-label-tabs-wrapper > div.switch-label-area > div.switch-label-img-box > img
m.media-amazon.com/images/G/28/GW2024/Test/DOTD2.jpg
div.switch-label-tabs-wrapper > div.switch-label-area > div.switch-label-img-box > img div.switch-label-tabs-wrapper > div.switch-label-area > div.switch-label-img-box > img
m.media-amazon.com/images/G/28/GW2024/Test/GW03-04.jpg
div.switch-label-tabs-wrapper > div.switch-label-area > div.switch-label-img-box > img div.switch-label-tabs-wrapper > div.switch-label-area > div.switch-label-img-box > img
m.media-amazon.com/images/G/28/GW2024/Test/GW03-06.jpg
div.switch-label-tabs-wrapper > div.switch-label-area > div.switch-label-img-box > img div.switch-label-tabs-wrapper > div.switch-label-area > div.switch-label-img-box > img
m.media-amazon.com/images/G/28/GW2024/Test/GW03-07.jpg
div.nav-bar > div.search-container > div.search-img-wrapper-white > img div.nav-bar > div.search-container > div.search-img-wrapper-white > img
globalstore.amazon.cn/img/Gateway_Top_Search_CN.870558f5.svg
div.asin-showcase-item > div.asin-content-container > div.badge-line > img div.asin-showcase-item > div.asin-content-container > div.badge-line > img
m.media-amazon.com/images/G/28/NewApp/04_BadgeLogo/Badge_DE3x._TTW_.png
div.asin-showcase-item > div.asin-content-container > div.badge-line > img div.asin-showcase-item > div.asin-content-container > div.badge-line > img
m.media-amazon.com/images/G/28/NewApp/04_BadgeLogo/Badge_US3x._TTW_.png
div.asin-showcase-item > div.asin-content-container > div.badge-line > img div.asin-showcase-item > div.asin-content-container > div.badge-line > img
m.media-amazon.com/images/G/28/NewApp/04_BadgeLogo/Badge_US3x._TTW_.png
div.asin-showcase-item > div.asin-content-container > div.badge-line > img div.asin-showcase-item > div.asin-content-container > div.badge-line > img
m.media-amazon.com/images/G/28/NewApp/04_BadgeLogo/Badge_DE3x._TTW_.png
div.asin-showcase-item > div.asin-content-container > div.badge-line > img div.asin-showcase-item > div.asin-content-container > div.badge-line > img
m.media-amazon.com/images/G/28/NewApp/04_BadgeLogo/Badge_DE3x._TTW_.png
div.asin-showcase-item > div.asin-content-container > div.badge-line > img div.asin-showcase-item > div.asin-content-container > div.badge-line > img
m.media-amazon.com/images/G/28/NewApp/04_BadgeLogo/Badge_US3x._TTW_.png
div.asin-showcase-item > div.asin-content-container > div.badge-line > img div.asin-showcase-item > div.asin-content-container > div.badge-line > img
m.media-amazon.com/images/G/28/NewApp/04_BadgeLogo/Badge_DE3x._TTW_.png
div.asin-showcase-item > div.asin-content-container > div.badge-line > img div.asin-showcase-item > div.asin-content-container > div.badge-line > img
m.media-amazon.com/images/G/28/NewApp/04_BadgeLogo/Badge_DE3x._TTW_.png
div.asin-showcase-item > div.asin-content-container > div.badge-line > img div.asin-showcase-item > div.asin-content-container > div.badge-line > img
m.media-amazon.com/images/G/28/NewApp/04_BadgeLogo/Badge_US3x._TTW_.png
div.asin-showcase-item > div.asin-content-container > div.badge-line > img div.asin-showcase-item > div.asin-content-container > div.badge-line > img
m.media-amazon.com/images/G/28/NewApp/04_BadgeLogo/Badge_US3x._TTW_.png
美妆个护 badge div.grid-item-chunk-image > div.grid-item-chunk-badge > div.van-image > img.van-image__img
m.media-amazon.com/images/G/28/GW2024/BAU/Shortcut/Highlight/31.png
营养保健 badge div.grid-item-chunk-image > div.grid-item-chunk-badge > div.van-image > img.van-image__img
m.media-amazon.com/images/G/28/GW2024/BAU/Shortcut/Highlight/3.png
母婴玩具 badge div.grid-item-chunk-image > div.grid-item-chunk-badge > div.van-image > img.van-image__img
m.media-amazon.com/images/G/28/GW2024/BAU/Shortcut/Highlight/10.png

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

●Optimize DOM size
●Font display
●Modern HTTP
●Render blocking requests
●Optimize viewport for mobile
●Minify CSS
●Minify JavaScript
●Avoid long main-thread tasks 9 long tasks found
●Avoid non-composited animations 20 animated elements found
●Network Requests
●Network Round Trip Times 180 ms
●Server Backend Latencies 170 ms
●Tasks
●Diagnostics
●Metrics
●Screenshot Thumbnails
●Final Screenshot
●Script Treemap Data
●Resources Summary
●Initial server response time was short Root document took 180 ms
○INP breakdown
○User Timing marks and measures
76

Accessibility

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

ARIA

Some ARIA parent roles must contain specific child roles to perform their intended accessibility functions. Learn more about roles and required children elements.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
特卖汇 ¥80.15 起 6天19:03:58 海外好价 特卖汇 ¥393.38 起 7天19:03:58 ECCO 春季限量折扣 特卖汇 ¥142.… div.switch-label-content-area > div.deal-widget-container > div.deal-widget > div.van-list
ECCO 爱步 男士健步小经典 BIOM Fjuel 休闲运动鞋 透气缓震 黑色 42 EU ¥759.88 含进口费用 免邮券 满2件打9.8折 特卖汇… div > div.asin-showcase > div.row-asin-list > div.van-list

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

Contrast

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

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
打开APP div.detailPage-login-button > button#loginToolTipId > div.van-button__content > span.van-button__text
前往APP查看 div.gateway-submit-share-area > button#loginToolTipId > div.van-button__content > span.van-button__text

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
div.detailPage-login-box > div.detailPage-login-logo > div.van-image > img.van-image__img div.detailPage-login-box > div.detailPage-login-logo > div.van-image > img.van-image__img
div.detailPage-login-box > div.detailPage-login-main > div.van-image > img.van-image__img div.detailPage-login-box > div.detailPage-login-main > div.van-image > img.van-image__img
div.nav-bar > div.search-container > div.search-img-wrapper-white > img div.nav-bar > div.search-container > div.search-img-wrapper-white > img
div.swiper > div.swiper-wrapper > div.swiper-slide > img.slide-img div.swiper > div.swiper-wrapper > div.swiper-slide > img.slide-img
div.swiper > div.swiper-wrapper > div.swiper-slide > img.slide-img div.swiper > div.swiper-wrapper > div.swiper-slide > img.slide-img
div.swiper > div.swiper-wrapper > div.swiper-slide > img.slide-img div.swiper > div.swiper-wrapper > div.swiper-slide > img.slide-img
div.swiper > div.swiper-wrapper > div.swiper-slide > img.slide-img div.swiper > div.swiper-wrapper > div.swiper-slide > img.slide-img
div.swiper > div.swiper-wrapper > div.swiper-slide > img.slide-img div.swiper > div.swiper-wrapper > div.swiper-slide > img.slide-img
div.swiper > div.swiper-wrapper > div.swiper-slide > img.slide-img div.swiper > div.swiper-wrapper > div.swiper-slide > img.slide-img
div.swiper > div.swiper-wrapper > div.swiper-slide > img.slide-img div.swiper > div.swiper-wrapper > div.swiper-slide > img.slide-img
div.swiper > div.swiper-wrapper > div.swiper-slide > img.slide-img div.swiper > div.swiper-wrapper > div.swiper-slide > img.slide-img
div.swiper > div.swiper-wrapper > div.swiper-slide > img.slide-img div.swiper > div.swiper-wrapper > div.swiper-slide > img.slide-img
div.amz-van-notice-bar > div.van-notice-bar > i.van-badge__wrapper > img.van-icon__image div.amz-van-notice-bar > div.van-notice-bar > i.van-badge__wrapper > img.van-icon__image
div.swiper > div.swiper-wrapper > div.swiper-slide > img div.swiper > div.swiper-wrapper > div.swiper-slide > img
div.swiper > div.swiper-wrapper > div.swiper-slide > img div.swiper > div.swiper-wrapper > div.swiper-slide > img
div.swiper > div.swiper-wrapper > div.swiper-slide > img div.swiper > div.swiper-wrapper > div.swiper-slide > img
div.swiper > div.swiper-wrapper > div.swiper-slide > img.slide-img div.swiper > div.swiper-wrapper > div.swiper-slide > img.slide-img
div.swiper > div.swiper-wrapper > div.swiper-slide > img.slide-img div.swiper > div.swiper-wrapper > div.swiper-slide > img.slide-img
div.swiper > div.swiper-wrapper > div.swiper-slide > img.slide-img div.swiper > div.swiper-wrapper > div.swiper-slide > img.slide-img
div.swiper > div.swiper-wrapper > div.swiper-slide > img.slide-img div.swiper > div.swiper-wrapper > div.swiper-slide > img.slide-img
div.swiper > div.swiper-wrapper > div.swiper-slide > img.slide-img div.swiper > div.swiper-wrapper > div.swiper-slide > img.slide-img
div.swiper > div.swiper-wrapper > div.swiper-slide > img.slide-img div.swiper > div.swiper-wrapper > div.swiper-slide > img.slide-img
div.swiper > div.swiper-wrapper > div.swiper-slide > img.slide-img div.swiper > div.swiper-wrapper > div.swiper-slide > img.slide-img
div.swiper > div.swiper-wrapper > div.swiper-slide > img.slide-img div.swiper > div.swiper-wrapper > div.swiper-slide > img.slide-img

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

Best practices

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

One main landmark helps screen reader users navigate a web page. Learn more about landmarks.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
html html

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>`
●`[role]`s have all required `[aria-*]` attributes
●`[role]` values are valid
●`[aria-*]` attributes have valid values
●`[aria-*]` attributes are valid and not misspelled
●Buttons have an accessible name
●ARIA attributes are used as specified for the element's role
●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
●Touch targets have sufficient size and spacing.
●Deprecated ARIA roles were not used
○`[accesskey]` values are unique
○`button`, `link`, and `menuitem` elements have accessible names
○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 are contained by their required parent element
○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
○Heading elements appear in a sequentially-descending order
○`<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.
○Links have a discernible name
○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>`.
○All heading elements contain content.
○Uses ARIA roles only on compatible elements
○Image elements do not have `[alt]` attributes that are redundant text.
○Identical links have the same purpose.
○Elements with 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.
96

Best Practices

General

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

Why this matters

Performance issues directly impact user engagement and conversion rates.

SourceDescription
globalstore.amazon.cn/favicon.ico
Failed to load resource: the server responded with a status of 404 ()
●Uses HTTPS
●Avoids deprecated APIs
●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
●Displays images with correct aspect ratio
●Serves images with appropriate resolution
●Page has the HTML doctype
●Properly defines charset
●No issues in the `Issues` panel in Chrome Devtools
●Ensure CSP is effective against XSS attacks
●Use a strong HSTS policy
●Ensure proper origin isolation with COOP
●Mitigate DOM-based XSS with Trusted Types
●Page has valid source maps
○Redirects HTTP traffic to HTTPS
○Mitigate clickjacking with XFO or CSP
○Detected JavaScript libraries
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.

Content Best Practices

Meta descriptions may be included in search results to concisely summarize page content. Learn more about the meta description.

Why this matters

Performance issues directly impact user engagement and conversion rates.

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.detailPage-login-box > div.detailPage-login-logo > div.van-image > img.van-image__img div.detailPage-login-box > div.detailPage-login-logo > div.van-image > img.van-image__img
div.detailPage-login-box > div.detailPage-login-main > div.van-image > img.van-image__img div.detailPage-login-box > div.detailPage-login-main > div.van-image > img.van-image__img
div.nav-bar > div.search-container > div.search-img-wrapper-white > img div.nav-bar > div.search-container > div.search-img-wrapper-white > img
div.swiper > div.swiper-wrapper > div.swiper-slide > img.slide-img div.swiper > div.swiper-wrapper > div.swiper-slide > img.slide-img
div.swiper > div.swiper-wrapper > div.swiper-slide > img.slide-img div.swiper > div.swiper-wrapper > div.swiper-slide > img.slide-img
div.swiper > div.swiper-wrapper > div.swiper-slide > img.slide-img div.swiper > div.swiper-wrapper > div.swiper-slide > img.slide-img
div.swiper > div.swiper-wrapper > div.swiper-slide > img.slide-img div.swiper > div.swiper-wrapper > div.swiper-slide > img.slide-img
div.swiper > div.swiper-wrapper > div.swiper-slide > img.slide-img div.swiper > div.swiper-wrapper > div.swiper-slide > img.slide-img
div.swiper > div.swiper-wrapper > div.swiper-slide > img.slide-img div.swiper > div.swiper-wrapper > div.swiper-slide > img.slide-img
div.swiper > div.swiper-wrapper > div.swiper-slide > img.slide-img div.swiper > div.swiper-wrapper > div.swiper-slide > img.slide-img
div.swiper > div.swiper-wrapper > div.swiper-slide > img.slide-img div.swiper > div.swiper-wrapper > div.swiper-slide > img.slide-img
div.swiper > div.swiper-wrapper > div.swiper-slide > img.slide-img div.swiper > div.swiper-wrapper > div.swiper-slide > img.slide-img
div.amz-van-notice-bar > div.van-notice-bar > i.van-badge__wrapper > img.van-icon__image div.amz-van-notice-bar > div.van-notice-bar > i.van-badge__wrapper > img.van-icon__image
div.swiper > div.swiper-wrapper > div.swiper-slide > img div.swiper > div.swiper-wrapper > div.swiper-slide > img
div.swiper > div.swiper-wrapper > div.swiper-slide > img div.swiper > div.swiper-wrapper > div.swiper-slide > img
div.swiper > div.swiper-wrapper > div.swiper-slide > img div.swiper > div.swiper-wrapper > div.swiper-slide > img
div.swiper > div.swiper-wrapper > div.swiper-slide > img.slide-img div.swiper > div.swiper-wrapper > div.swiper-slide > img.slide-img
div.swiper > div.swiper-wrapper > div.swiper-slide > img.slide-img div.swiper > div.swiper-wrapper > div.swiper-slide > img.slide-img
div.swiper > div.swiper-wrapper > div.swiper-slide > img.slide-img div.swiper > div.swiper-wrapper > div.swiper-slide > img.slide-img
div.swiper > div.swiper-wrapper > div.swiper-slide > img.slide-img div.swiper > div.swiper-wrapper > div.swiper-slide > img.slide-img
div.swiper > div.swiper-wrapper > div.swiper-slide > img.slide-img div.swiper > div.swiper-wrapper > div.swiper-slide > img.slide-img
div.swiper > div.swiper-wrapper > div.swiper-slide > img.slide-img div.swiper > div.swiper-wrapper > div.swiper-slide > img.slide-img
div.swiper > div.swiper-wrapper > div.swiper-slide > img.slide-img div.swiper > div.swiper-wrapper > div.swiper-slide > img.slide-img
div.swiper > div.swiper-wrapper > div.swiper-slide > img.slide-img div.swiper > div.swiper-wrapper > div.swiper-slide > img.slide-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
●Page has successful HTTP status code
●Links have descriptive text
●Links are crawlable
●robots.txt is valid
●Document has a valid `hreflang`
○Document has a valid `rel=canonical`

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