D — https://miui.com | BeaverCheck Audit

Site Health

Score: 67 / 100

Based on 8 categories, 0 sections

Fast site — your users get a smooth experience.

Several missing protections leave your users and data exposed.

Major barriers for users with disabilities — up to 15% of your audience.

Solid SEO basics — a few optimizations could boost rankings.

Good server performance with room for optimization.

Several regulatory requirements are not yet met.

Missing metadata means poor previews on social media and search.

Reasonable footprint with room for optimization.

How is this calculated?

The overall score is a weighted average of individual category scores. Categories with more impact on user experience and security carry more weight.

Performance 25%Security 25%Accessibility 15%SEO 10%Infrastructure 10%Compliance 8%Content 5%Sustainability 2%

Weights reflect general web best practices. Individual needs may differ.

How the composite score is calculated

How you compare

React sites average 73

-6 below average

See full React benchmark →

Tailwind CSS sites average 75

-8 below average

Better than 1% of Tailwind CSS sites See full Tailwind CSS benchmark →

Top Priorities (5)

Content-Security-Policy header is missing

Security gaps expose your site and users to attacks, eroding trust.

Security › Security Headers

HSTS header is missing

Security gaps expose your site and users to attacks, eroding trust.

Security › Security Headers

No Content-Security-Policy header found

Security gaps expose your site and users to attacks, eroding trust.

Security › Content Security Policy

1 image-in-link without alt text

Accessibility issues exclude users with disabilities — up to 15% of your potential audience.

Accessibility › Alt Text Quality

1 image-only link(s) without alt text

Accessibility issues exclude users with disabilities — up to 15% of your potential audience.

Accessibility › Link & Button Quality

View fix priority matrix

Fix Priority Matrix

5 findings

Impact

Quick Wins

High impact, low effort — start here.

Strategic

High impact, requires investment.

Easy Improvements

Small gains, minimal effort.

Nothing in this quadrant — good news.

Deprioritize

Low impact, high effort — do last.

Nothing in this quadrant — good news.

← Low effort High effort →

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Markdown

[![BeaverCheck](https://beavercheck.com/badge?url=https%3A%2F%2Fmiui.com)](https://beavercheck.com/results/98613f3f-9324-45ad-b159-3b8d8de1c86e)

HTML

<a href="https://beavercheck.com/results/98613f3f-9324-45ad-b159-3b8d8de1c86e"><img src="https://beavercheck.com/badge?url=https%3A%2F%2Fmiui.com" alt="BeaverCheck Score"></a>

Image URL

https://beavercheck.com/badge?url=https%3A%2F%2Fmiui.com

This badge auto-updates with your latest scan result.

What fixing these means

Your site has several issues that may be affecting user experience and business outcomes. Accessibility issues exclude users who rely on assistive technology — an estimated 15% of your potential audience. Addressing the critical issues below would have the most immediate impact on your user trust.

3 security gaps detected — browsers may warn visitors about your site.

2 accessibility issues exclude users who rely on assistive technology.

Could reach Estimate based on resolving critical issues

Conversion Barriers

2 critical 7 warning

9 barrier(s) likely increasing bounce by ~31%.

Speed (1)

Page takes 6.8s to load

+12% bounce

Users abandon at ~3s — you're 4.3s over the 2.5s threshold

Fix: Optimize render-blocking resources, preload the hero image, and compress images

Trust (2)

No HSTS header

+1% bounce

Returning visitors are briefly exposed to downgrade attacks on first request

Fix: Set Strict-Transport-Security: max-age=31536000; includeSubDomains

No Content-Security-Policy header

+1% bounce

Higher XSS blast radius — one compromised script can exfiltrate the checkout form

Fix: Ship a reporting-only CSP first, then enforce once violations are clean

Usability (1)

Viewport disables user zoom

+2% bounce

Visitors with low vision can't read the page — and some jurisdictions treat this as a legal risk

Fix: Remove user-scalable=no; drop maximum-scale if it's below 2

Content (3)

No Open Graph tags

+2% bounce

Links shared on LinkedIn / Slack / Facebook show bare URLs — referral clicks drop

Fix: Add og:title, og:description, og:image, og:url to the page head

No structured data

+2% bounce

No rich-result eligibility in Google — lower SERP CTR vs competitors with stars and prices

Fix: Add JSON-LD for your page type (Product, Article, FAQPage, LocalBusiness, …)

Thin content

+3% bounce

Under 300 words — visitors bounce looking for substance, search engines rank competitors first

Fix: Add a substantive FAQ, product detail, or case-study section

Navigation (2)

No skip-to-content link

+1% bounce

Keyboard and screen-reader users must tab through the entire header on every page

Fix: Add a visible-on-focus <a href="#main">Skip to content</a> as the first focusable element

17 broken link(s) on the page

+5% bounce

Clicks land on 404s — trust drops and the session often ends

Fix: Fix or remove the broken destinations surfaced on the Content tab

Preliminary CRO audit — each barrier links to the tab with detailed analysis.

Return on Investment

€383 investment → €4,172/month returns + EUR 20,500,000 risk avoided

Payback period: < 1 month First-year ROI: +12988%

Investment

€383

4h · 5 findings

Monthly returns

€4,172 /mo

~€50,061 / year

Conversions recovered €4,171
Bandwidth savings €0.41

Regulatory risk avoided

EUR 20,500,000

if kept compliant

GDPR EUR 20,000,000
EAA EUR 500,000

Payback period

0 12mo 24mo

€128 — in quick wins — start here for the fastest payback

Figures combine localized regulatory fine ceilings, search/conversion value priced against local CPC, and bandwidth waste estimates. Results depend on implementation quality and audience composition. Not legal or financial advice.

Full methodology & sources

Estimated Remediation Cost

€383

4.5 developer hours at €85/hr

Based on European Union rates (€85/hr)

Quick wins

€128 3 fixes in ~90 minutes

Start here for the best return on investment

Cost by category

Cost by effort level

Adjust assumptions

Custom rate

€ /hr

Rates reflect fully-loaded developer cost including overhead

How developer rates are sourced

What Inaction Is Costing You

€1,708,334 / month at risk

~€20,500,005 / year if left unfixed

Compliance Risk

€20,500,000

GDPREAA

Privacy Policy not detected
GDPR: EUR 10,000 – EUR 20,000,000
Skip navigation link is missing (WCAG 2.4.1)
EAA: EUR 1,000 – EUR 500,000
Multiple H1 headings (33 found)
EAA: EUR 1,000 – EUR 500,000

+32 more

Bandwidth Waste

€0.41 /mo

5515.3 MB/mo × 0.074 EUR/GB

Optimize transfer: save ~552 KB per page load
Saves €0.41/mo

Compliance figures represent the statutory maximum fine for the most severe triggered category, capped per regulation — not the sum of per-finding penalties. Based on published regulatory fine ranges. This is not legal advice.

Compliance methodology · SEO assumptions · Bandwidth model

Your performance is already good — improvements may show diminishing returns

Monthly visitors

Unique monthly visitors from your analytics

Conversion rate (%)

Purchases, signups, or key actions

Avg. order value

Optional — for revenue estimation

additional conversions/month

more engaged visitors from reduced bounce

potential monthly revenue

Current bounce (est.)

After fixes (est.)

Estimated bounce reduction

Fix 5 critical issues to capture this value

How this is calculated

Based on Google/Deloitte research ("Milliseconds Make Millions") showing a ~7% bounce rate increase per additional second of LCP above the 2.5s "Good" threshold.

Your site's LCP: → estimated after fixes.

These are estimates based on industry research — actual results vary

Bounce-rate model & assumptions

Your data stays in your browser — nothing is sent to our servers

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Lighthouse Scores

Industry-standard audits powered by Google Lighthouse.

Performance

Accessibility

Best Practices

SEO

Core Web Vitals

Key metrics that affect user experience.

First Contentful Paint First Contentful Paint — how long until the browser renders the first piece of content. Under 1.8s is good.

6.62 s

Largest Contentful Paint Largest Contentful Paint — how long until the largest visible element loads. Under 2.5s is good.

6.77 s

Total Blocking Time Total Blocking Time — total time the main thread was blocked, preventing user input. Under 200ms is good.

0 ms

Cumulative Layout Shift Cumulative Layout Shift — measures visual stability. How much the page layout shifts during loading. Under 0.1 is good.

0.019

Speed Index Speed Index — how quickly content is visually displayed during load. Under 3.4s is good.

9.33 s

Time to Interactive Time to Interactive — how long until the page is fully interactive and responds to user input. Under 3.8s is good.

6.79 s

Detailed Report

Audit breakdown by category with detailed findings.

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

Shipping ES5 transpiled code to modern browsers wastes bytes — every user with an evergreen browser pays for compatibility you don't need.

Learn more ▾

Most users today run browsers that natively support ES6+, async/await, optional chaining, and the rest of modern JavaScript. Transpiling to ES5 'just in case' adds 20-40% to your bundle for no benefit. Configure your build to target a modern browserslist, or ship a differential bundle pair (modern + legacy) with the module/nomodule pattern.

Source: Google web.dev / Lighthouse

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.

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.

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:1150.706 label:Time to first byte subpart:timeToFirstByte] map[duration:3683.776 label:Resource load delay subpart:resourceLoadDelay] map[duration:117.672 label:Resource load duration subpart:resourceLoadDuration] map[duration:10.513 label:Element render delay subpart:elementRenderDelay]]

lhId: page-0-IMG

nodeLabel: div.desktop:flex > div.tablet:w-[337px] > div > img

path: 1,HTML,1,BODY,0,DIV,0,MAIN,2,DIV,0,DIV,0,DIV,1,DIV,0,DIV,1,IMG

selector: div.desktop:flex > div.tablet:w-[337px] > div > img

snippet: <img src="https://cia.sec.miui.com/miui-14-homepage/phone.png?imageMogr2/thumbnail/5…" decoding="async" style="display: block; position: absolute; top: 0px; height: 100%; left: 0px;">

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

Why this matters

Performance issues directly impact user engagement and conversion rates.

lhId: page-0-IMG

nodeLabel: div.desktop:flex > div.tablet:w-[337px] > div > img

path: 1,HTML,1,BODY,0,DIV,0,MAIN,2,DIV,0,DIV,0,DIV,1,DIV,0,DIV,1,IMG

selector: div.desktop:flex > div.tablet:w-[337px] > div > img

snippet: <img src="https://cia.sec.miui.com/miui-14-homepage/phone.png?imageMogr2/thumbnail/5…" decoding="async" style="display: block; position: absolute; top: 0px; height: 100%; left: 0px;">

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.

URL	Transfer Size	Duration
/font/css?family=MiSans:300,450,500,650:Chinese_Simplify,...	114.9 KiB	3.8 s

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.

Request	Cache TTL	Transfer Size
cdn-file.hyperos.mi.com/mi-font-service/misans/450/cs.cfe08b0ba15098b3.22.woff2	561651.0 s	36.4 KiB
cdn-file.hyperos.mi.com/mi-font-service/misans/450/cs.bb73305ff7580e53.18.woff2	561651.0 s	36.2 KiB
cdn-file.hyperos.mi.com/mi-font-service/misans/500/cs.ea3ec840cac76f1b.19.woff2	1229126.0 s	37.6 KiB
cdn-file.hyperos.mi.com/mi-font-service/misans/500/cs.c446acd779e5d2fe.17.woff2	1476133.0 s	35.0 KiB
cdn-file.hyperos.mi.com/mi-font-service/misans/450/cs.8ee276e30de7c0fd.11.woff2	1641162.0 s	34.4 KiB
cdn-file.hyperos.mi.com/mi-font-service/misans/450/cs.7ecaae6cd566bb8e.17.woff2	2406393.0 s	35.2 KiB
cdn-file.hyperos.mi.com/mi-font-service/misans/450/cs.ae598ee92e49ae65.14.woff2	2406393.0 s	35.1 KiB
cdn-file.hyperos.mi.com/mi-font-service/misans/450/cs.ecdf31e0d775693f.15.woff2	2062978.0 s	34.6 KiB
cdn-file.hyperos.mi.com/mi-font-service/misans/450/cs.4ff84f9234f03a2b.7.woff2	1147590.0 s	33.3 KiB
cdn-file.hyperos.mi.com/mi-font-service/misans/450/cs.4637e6312480205e.13.woff2	2492667.0 s	34.5 KiB
cdn-file.hyperos.mi.com/mi-font-service/misans/450/cs.301b77c9b2d5cbb6.12.woff2	2492665.0 s	34.3 KiB
cdn-file.hyperos.mi.com/mi-font-service/misans/450/cs.e2f46f4ad5ed6851.8.woff2	1581948.0 s	33.2 KiB
cdn-file.hyperos.mi.com/mi-font-service/misans/450/cs.5ce26b64a1674f60.10.woff2	1891261.0 s	33.5 KiB
cdn-file.hyperos.mi.com/mi-font-service/misans/650/cs.9d94f8221d93f686.1.woff2	535778.0 s	26.4 KiB
cdn-file.hyperos.mi.com/mi-font-service/misans/450/cs.246e8ea5197d9c54.6.woff2	807971.0 s	31.9 KiB
cdn-file.hyperos.mi.com/mi-font-service/misans/450/cs.e37f98eab1bffea9.1.woff2	540116.0 s	26.3 KiB
cdn-file.hyperos.mi.com/mi-font-service/misans/450/cs.4c99c20b51689926.9.woff2	2459679.0 s	32.9 KiB
cdn-file.hyperos.mi.com/mi-font-service/misans/450/cs.5538fe618f9d7a60.5.woff2	2301181.0 s	30.9 KiB
cdn-file.hyperos.mi.com/mi-font-service/misans/500/cs.d5d63c06c4ee8ca8.3.woff2	623333.0 s	29.2 KiB
cdn-file.hyperos.mi.com/mi-font-service/misans/650/cs.9b3f0ca0431a350d.4.woff2	2062978.0 s	29.9 KiB
cdn-file.hyperos.mi.com/mi-font-service/misans/450/cs.4173509397f8aa3a.2.woff2	757178.0 s	28.5 KiB
cdn-file.hyperos.mi.com/mi-font-service/misans/450/cs.b3063c48c56d5c40.4.woff2	2065877.0 s	29.6 KiB
cdn-file.hyperos.mi.com/mi-font-service/misans/450/cs.1656bbfbf2b66170.3.woff2	1792848.0 s	29.3 KiB
cdn-file.hyperos.mi.com/mi-font-service/misans/500/cs.ee21b24834a16e24.1.woff2	704436.0 s	26.4 KiB
ssl-cdn.static.browser.mi-img.com/mistat-data/onetrack/onetrack.js	10800.0 s	3.4 KiB
cdn.cnbj1.fds.api.mi-img.com/common/jweixin-1.6.0.js	86400.0 s	5.6 KiB
cdn-file.hyperos.mi.com/mi-font-service/misans/500/cs.4310947b63d7f2af.0.woff2	1384724.0 s	21.8 KiB
cdn-file.hyperos.mi.com/mi-font-service/misans/450/cs.5dd139a4b434052f.0.woff2	2241102.0 s	21.7 KiB
cdn-file.hyperos.mi.com/mi-font-service/misans/500/lt.af0b32b4f18a2804.0.woff2	525751.0 s	12.7 KiB
cdn-file.hyperos.mi.com/mi-font-service/misans/650/lt.13bc2edf157bd61c.0.woff2	2082855.0 s	12.9 KiB
cdn-file.hyperos.mi.com/mi-font-service/misans/450/lt.7dcf87c3c9fcc1be.0.woff2	1629192.0 s	12.3 KiB
cdn-file.hyperos.mi.com/mi-font-service/misans/450/lt.f095168230b5b92b.3.woff2	2314622.0 s	9.0 KiB
cdn-file.hyperos.mi.com/mi-font-service/misans/450/lt.901de8df15597807.5.woff2	500917.0 s	5.2 KiB
cdn.cnbj1.fds.api.mi-img.com/common/jsonp.min.js	86400.0 s	1.5 KiB
cdn-file.hyperos.mi.com/mi-font-service/misans/650/lt.4f0a405949debe75.5.woff2	2574928.0 s	5.3 KiB

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

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

Why this matters

Performance issues directly impact user engagement and conversion rates.

Estimated savings: 1.9 s

URL	Time Spent
miui.com/	1.9 s
home.miui.com/	0.0 ms

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

Why this matters

Performance issues directly impact user engagement and conversion rates.

TTI

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: 600 ms 133.2 KiB

URL	Transfer Size	Est Savings
/font/css?family=MiSans:300,450,500,650:Chinese_Simplify,...	114.7 KiB	114.7 KiB
home.miui.com/_next/static/css/75b70099a3cc6a49.css	20.2 KiB	18.5 KiB

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 reason	Failure 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 2.4 KiB

URL	Transfer Size	Est Savings
cdn.cnbj1.fds.api.mi-img.com/common/jweixin-1.6.0.js	5.1 KiB	2.4 KiB

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

Why this matters

Multi-megabyte JavaScript bundles delay every interactive feature on the page.

Learn more ▾

This is the Lighthouse audit fired when too much JS is shipped relative to what executes. The fix isn't a config flag — it requires bundle analysis (webpack-bundle-analyzer, rollup-plugin-visualizer), splitting routes into chunks, lazy-loading off-screen components, and removing unused dependencies. Fundamentally different from minification: minifying reduces byte count, this reduces what's downloaded at all.

Source: Google web.dev / Lighthouse

Estimated savings: 0.0 ms 45.8 KiB

URL	Transfer Size	Est Savings
home.miui.com/_next/static/chunks/pages/_app-dedfdfe4da840c5e.js	62.7 KiB	45.8 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

●Forced reflow

●Improve image delivery

●Modern HTTP

●Optimize viewport for mobile

●Max Potential First Input Delay 30 ms

●Minify CSS

●Avoids enormous network payloads Total size was 1,795 KiB

●User Timing marks and measures 7 user timings

●JavaScript execution time 0.5 s

●Minimizes main-thread work 1.7 s

●Avoid long main-thread tasks 4 long tasks found

●Image elements have explicit `width` and `height`

●Network Requests

●Network Round Trip Times 210 ms

●Server Backend Latencies 2,490 ms

●Tasks

●Diagnostics

●Metrics

●Screenshot Thumbnails

●Final Screenshot

●Script Treemap Data

●Resources Summary

●Initial server response time was short Root document took 20 ms

●Avoid large layout shifts 2 layout shifts found

○INP breakdown

○Avoid non-composited animations

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
发布时间 `div.safe-area > div.overflow-hidden > div > p.text-[#0D84FF]`
发布时间 `div.safe-area > div.overflow-hidden > div > p.text-[#0D84FF]`
前往了解小米澎湃OS `div.pointer-events-none > div.fixed > a.bg-[#3482FF] > div.mr-[6px]`
继续了解 `div.h-140 > div.w-full > div > div.mb-[10px]`
参与调研 `a > div.flex > div.ml-[18px] > div.mt-4`
声明与说明本页面中部分功能和服务可能因系统版本、手机型号不同存在差异，请以实际为准。本页面所展示的内容和功能，不能保证能够提供永久服务，可能会因版权、商务… `main > div.text-black > div.safe-area > div.text-[12px]`
本页面中部分功能和服务可能因系统版本、手机型号不同存在差异，请以实际为准。 `div.safe-area > div.text-[12px] > ul.ml-24 > li`
本页面所展示的内容和功能，不能保证能够提供永久服务，可能会因版权、商务或技术条件的变化而调整，请以产品实际内容和功能为准。 `div.safe-area > div.text-[12px] > ul.ml-24 > li`
本页涉及的测试数据均来自小米实验室，均采用相同平台且配置相近设备，多次测试中数据可能存在小范围波动。 `div.safe-area > div.text-[12px] > ul.ml-24 > li`
新浪微博 \| 官方微信 \| 隐私政策 \| 预置应用查询 \| 简体中文 Copyright©2022 MIUI 京ICP备10046444号… `main > div.text-black > div.safe-area > div.text-[12px]`
新浪微博 \| 官方微信 \| 隐私政策 \| 预置应用查询 \| 简体中文 `div.text-black > div.safe-area > div.text-[12px] > div`
新浪微博 `div.safe-area > div.text-[12px] > div > a.hover:underline`
官方微信 `div.text-[12px] > div > div.inline-block > div.relative`
隐私政策 `div.safe-area > div.text-[12px] > div > a.hover:underline`
预置应用查询 `div.safe-area > div.text-[12px] > div > a.hover:underline`
简体中文 `div.safe-area > div.text-[12px] > div > div.relative`
京ICP备10046444号 `div.text-black > div.safe-area > div.text-[12px] > a.hover:underline`
京公网安备 11010802037409号 `div.text-black > div.safe-area > div.text-[12px] > a.hover:underline`

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
2010年8月16日 `div.safe-area > div.overflow-hidden > div > h3.text-h3`
2010年10月29日 `div.safe-area > div.overflow-hidden > div > h3.text-h3`
2011年3月25日 `div.safe-area > div.overflow-hidden > div > h3.text-h3`
2012年1月19日 `div.safe-area > div.overflow-hidden > div > h3.text-h3`
2013年3月1日 `div.safe-area > div.overflow-hidden > div > h3.text-h3`
2014年8月16日 `div.safe-area > div.overflow-hidden > div > h3.text-h3`
2015年8月13日 `div.safe-area > div.overflow-hidden > div > h3.text-h3`
2016年5月10日 `div.safe-area > div.overflow-hidden > div > h3.text-h3`
2017年7月26日 `div.safe-area > div.overflow-hidden > div > h3.text-h3`
2018年5月31日 `div.safe-area > div.overflow-hidden > div > h3.text-h3`
2019年9月24日 `div.safe-area > div.overflow-hidden > div > h3.text-h3`
2020年4月27日 `div.safe-area > div.overflow-hidden > div > h3.text-h3`
2021年12月28日 `div.safe-area > div.overflow-hidden > div > h3.text-h3`
2022年12月11日 `div.safe-area > div.overflow-hidden > div > h3.text-h3`

These are opportunities to improve keyboard navigation in your application.

Internationalization and localization

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

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
html `html`

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

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.desktop:flex > div.tablet:w-[337px] > div > img `div.desktop:flex > div.tablet:w-[337px] > div > img`
div.overflow-hidden > div.mb-[33px] > div.h-[330px] > img `div.overflow-hidden > div.mb-[33px] > div.h-[330px] > img`
div.overflow-hidden > div.mb-[33px] > div.h-[330px] > img `div.overflow-hidden > div.mb-[33px] > div.h-[330px] > img`
div.overflow-hidden > div.mb-[33px] > div.h-[330px] > img `div.overflow-hidden > div.mb-[33px] > div.h-[330px] > img`
div.overflow-hidden > div.mb-[33px] > div.h-[330px] > img `div.overflow-hidden > div.mb-[33px] > div.h-[330px] > img`
div.overflow-hidden > div.mb-[33px] > div.h-[330px] > img `div.overflow-hidden > div.mb-[33px] > div.h-[330px] > img`
div.overflow-hidden > div.mb-[33px] > div.h-[330px] > img `div.overflow-hidden > div.mb-[33px] > div.h-[330px] > img`
div.overflow-hidden > h1.text-center > div.mb-[34px] > img `div.overflow-hidden > h1.text-center > div.mb-[34px] > img`
div.overflow-hidden > div.mb-[33px] > div.h-[330px] > img `div.overflow-hidden > div.mb-[33px] > div.h-[330px] > img`
div.overflow-hidden > h1.text-center > div.mb-[34px] > img `div.overflow-hidden > h1.text-center > div.mb-[34px] > img`
div.overflow-hidden > div.mb-[33px] > div.h-[330px] > img `div.overflow-hidden > div.mb-[33px] > div.h-[330px] > img`
div.overflow-hidden > h1.text-center > div.mb-[34px] > img `div.overflow-hidden > h1.text-center > div.mb-[34px] > img`
div.overflow-hidden > div.mb-[33px] > div.h-[330px] > img `div.overflow-hidden > div.mb-[33px] > div.h-[330px] > img`
div.overflow-hidden > h1.text-center > div.mb-[34px] > img `div.overflow-hidden > h1.text-center > div.mb-[34px] > img`
div.overflow-hidden > div.mb-[33px] > div.h-[330px] > img `div.overflow-hidden > div.mb-[33px] > div.h-[330px] > img`
div.overflow-hidden > h1.text-center > div.mb-[34px] > img `div.overflow-hidden > h1.text-center > div.mb-[34px] > img`
div.overflow-hidden > div.mb-[33px] > div.h-[330px] > img `div.overflow-hidden > div.mb-[33px] > div.h-[330px] > img`
div.overflow-hidden > h1.text-center > div.mb-[34px] > img `div.overflow-hidden > h1.text-center > div.mb-[34px] > img`
div.overflow-hidden > div.mb-[33px] > div.h-[330px] > img `div.overflow-hidden > div.mb-[33px] > div.h-[330px] > img`
div.overflow-hidden > h1.text-center > div.mb-[34px] > img `div.overflow-hidden > h1.text-center > div.mb-[34px] > img`
div.overflow-hidden > div.mb-[33px] > div.h-[330px] > img `div.overflow-hidden > div.mb-[33px] > div.h-[330px] > img`
div.overflow-hidden > h1.text-center > div.mb-[34px] > img `div.overflow-hidden > h1.text-center > div.mb-[34px] > img`
div.overflow-hidden > div.mb-[33px] > div.h-[330px] > img `div.overflow-hidden > div.mb-[33px] > div.h-[330px] > img`
div.fixed > a.bg-[#3482FF] > div.w-24 > img `div.fixed > a.bg-[#3482FF] > div.w-24 > 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

Performance issues directly impact user engagement and conversion rates.

Failing Elements
head > meta `head > meta`

These items highlight common accessibility best practices.

○Interactive controls are keyboard focusable

○Interactive elements indicate their purpose and state

○The page has a logical tab order

○Visual order on the page follows DOM order

○User focus is not accidentally trapped in a region

○The user's focus is directed to new content added to the page

○HTML5 landmark elements are used to improve navigation

○Offscreen content is hidden from assistive technology

○Custom controls have associated labels

○Custom controls have ARIA roles

●`[aria-*]` attributes match their roles

●`[aria-hidden="true"]` is not present on the document `<body>`

●`[role]`s have all required `[aria-*]` attributes

●`[role]` values are valid

●`[aria-*]` attributes have valid values

●`[aria-*]` attributes are valid and not misspelled

●ARIA attributes are used as specified for the element's role

●Elements use only permitted ARIA attributes

●Document has a `<title>` element

●Links have a discernible name

●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.

●Document has a main landmark.

●Deprecated ARIA roles were not used

●All heading elements contain content.

○`[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

○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

○Elements with the `role=text` attribute do not have focusable descendents.

○ARIA toggle fields have accessible names

○ARIA `tooltip` elements have accessible names

○ARIA `treeitem` elements have accessible names

○Buttons have an accessible name

○The page contains a heading, skip link, or landmark region

○`<dl>`'s contain only properly-ordered `<dt>` and `<dd>` groups, `<script>`, `<template>` or `<div>` elements.

○Definition list items are wrapped in `<dl>` elements

○ARIA IDs are unique

○No form fields have multiple labels

○`<frame>` or `<iframe>` elements have a title

○`<html>` element has a valid value for its `[lang]` attribute

○`<html>` element has an `[xml:lang]` attribute with the same base language as the `[lang]` attribute.

○Input buttons have discernible text.

○`<input type="image">` elements have `[alt]` text

○Form elements have associated labels

○Links are distinguishable without relying on color.

○The document does not use `<meta http-equiv="refresh">`

○`<object>` elements have alternate text

○Select elements have associated label elements.

○Skip links are focusable.

○No element has a `[tabindex]` value greater than 0

○Cells in a `<table>` element that use the `[headers]` attribute refer to table cells within the same table.

○`<th>` elements and elements with `[role="columnheader"/"rowheader"]` have data cells they describe.

○`[lang]` attributes have a valid value

○`<video>` elements contain a `<track>` element with `[kind="captions"]`

○Tables have different content in the summary attribute and `<caption>`.

○Uses ARIA roles only on compatible elements

○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.

Best Practices

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 / Warning	Source
Unload event listeners are deprecated and will be removed.	hm.baidu.com/hm.js?48d720a449f859af28f0c2975455d83a line 1, col 274

●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

●Displays images with correct aspect ratio

●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 clickjacking with XFO or CSP

●Mitigate DOM-based XSS with Trusted Types

●Detected JavaScript libraries

●Page has valid source maps

○Redirects HTTP traffic to HTTPS

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

If your robots.txt file is malformed, crawlers may not be able to understand how you want your website to be crawled or indexed. Learn more about robots.txt.

Why this matters

Performance issues directly impact user engagement and conversion rates.

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.desktop:flex > div.tablet:w-[337px] > div > img `div.desktop:flex > div.tablet:w-[337px] > div > img`
div.overflow-hidden > div.mb-[33px] > div.h-[330px] > img `div.overflow-hidden > div.mb-[33px] > div.h-[330px] > img`
div.overflow-hidden > div.mb-[33px] > div.h-[330px] > img `div.overflow-hidden > div.mb-[33px] > div.h-[330px] > img`
div.overflow-hidden > div.mb-[33px] > div.h-[330px] > img `div.overflow-hidden > div.mb-[33px] > div.h-[330px] > img`
div.overflow-hidden > div.mb-[33px] > div.h-[330px] > img `div.overflow-hidden > div.mb-[33px] > div.h-[330px] > img`
div.overflow-hidden > div.mb-[33px] > div.h-[330px] > img `div.overflow-hidden > div.mb-[33px] > div.h-[330px] > img`
div.overflow-hidden > div.mb-[33px] > div.h-[330px] > img `div.overflow-hidden > div.mb-[33px] > div.h-[330px] > img`
div.overflow-hidden > h1.text-center > div.mb-[34px] > img `div.overflow-hidden > h1.text-center > div.mb-[34px] > img`
div.overflow-hidden > div.mb-[33px] > div.h-[330px] > img `div.overflow-hidden > div.mb-[33px] > div.h-[330px] > img`
div.overflow-hidden > h1.text-center > div.mb-[34px] > img `div.overflow-hidden > h1.text-center > div.mb-[34px] > img`
div.overflow-hidden > div.mb-[33px] > div.h-[330px] > img `div.overflow-hidden > div.mb-[33px] > div.h-[330px] > img`
div.overflow-hidden > h1.text-center > div.mb-[34px] > img `div.overflow-hidden > h1.text-center > div.mb-[34px] > img`
div.overflow-hidden > div.mb-[33px] > div.h-[330px] > img `div.overflow-hidden > div.mb-[33px] > div.h-[330px] > img`
div.overflow-hidden > h1.text-center > div.mb-[34px] > img `div.overflow-hidden > h1.text-center > div.mb-[34px] > img`
div.overflow-hidden > div.mb-[33px] > div.h-[330px] > img `div.overflow-hidden > div.mb-[33px] > div.h-[330px] > img`
div.overflow-hidden > h1.text-center > div.mb-[34px] > img `div.overflow-hidden > h1.text-center > div.mb-[34px] > img`
div.overflow-hidden > div.mb-[33px] > div.h-[330px] > img `div.overflow-hidden > div.mb-[33px] > div.h-[330px] > img`
div.overflow-hidden > h1.text-center > div.mb-[34px] > img `div.overflow-hidden > h1.text-center > div.mb-[34px] > img`
div.overflow-hidden > div.mb-[33px] > div.h-[330px] > img `div.overflow-hidden > div.mb-[33px] > div.h-[330px] > img`
div.overflow-hidden > h1.text-center > div.mb-[34px] > img `div.overflow-hidden > h1.text-center > div.mb-[34px] > img`
div.overflow-hidden > div.mb-[33px] > div.h-[330px] > img `div.overflow-hidden > div.mb-[33px] > div.h-[330px] > img`
div.overflow-hidden > h1.text-center > div.mb-[34px] > img `div.overflow-hidden > h1.text-center > div.mb-[34px] > img`
div.overflow-hidden > div.mb-[33px] > div.h-[330px] > img `div.overflow-hidden > div.mb-[33px] > div.h-[330px] > img`
div.fixed > a.bg-[#3482FF] > div.w-24 > img `div.fixed > a.bg-[#3482FF] > div.w-24 > 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

●Links are crawlable

●Document has a valid `hreflang`

○Document has a valid `rel=canonical`

Lighthouse Scores

Industry-standard audits powered by Google Lighthouse. — Desktop

Performance

Accessibility

Best Practices

SEO

Core Web Vitals

Key metrics that affect user experience. — Desktop

First Contentful Paint First Contentful Paint — how long until the browser renders the first piece of content. Under 1.8s is good.

1.95 s

Largest Contentful Paint Largest Contentful Paint — how long until the largest visible element loads. Under 2.5s is good.

3.58 s

Total Blocking Time Total Blocking Time — total time the main thread was blocked, preventing user input. Under 200ms is good.

0 ms

Cumulative Layout Shift Cumulative Layout Shift — measures visual stability. How much the page layout shifts during loading. Under 0.1 is good.

0.004

Speed Index Speed Index — how quickly content is visually displayed during load. Under 3.4s is good.

3.39 s

Time to Interactive Time to Interactive — how long until the page is fully interactive and responds to user input. Under 3.8s is good.

3.60 s

Detailed Report

Audit breakdown by category with detailed findings.

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.

Why this matters

Shipping ES5 transpiled code to modern browsers wastes bytes — every user with an evergreen browser pays for compatibility you don't need.

Learn more ▾

Source: Google web.dev / Lighthouse

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.

Request	Cache TTL	Transfer Size
cdn-file.hyperos.mi.com/mi-font-service/misans/400/cs.4173509397f8aa3a.2.woff2	284176.0 s	28.5 KiB
cdn-file.hyperos.mi.com/mi-font-service/misans/500/cs.a84a90c19085b873.13.woff2	489946.0 s	34.7 KiB
cdn-file.hyperos.mi.com/mi-font-service/misans/600/cs.9d94f8221d93f686.1.woff2	436040.0 s	26.4 KiB
cdn-file.hyperos.mi.com/mi-font-service/misans/400/cs.246e8ea5197d9c54.6.woff2	527950.0 s	31.9 KiB
cdn-file.hyperos.mi.com/mi-font-service/misans/500/cs.ea3ec840cac76f1b.19.woff2	1229105.0 s	37.6 KiB
cdn-file.hyperos.mi.com/mi-font-service/misans/400/cs.aa06af0b430544a7.19.woff2	1231037.0 s	37.5 KiB
cdn-file.hyperos.mi.com/mi-font-service/misans/500/cs.8d4c2a096da7bd57.22.woff2	1131189.0 s	36.3 KiB
cdn-file.hyperos.mi.com/mi-font-service/misans/600/cs.9b3f0ca0431a350d.4.woff2	549817.0 s	29.9 KiB
cdn-file.hyperos.mi.com/mi-font-service/misans/500/cs.2d5e56f678ec44c0.18.woff2	2175964.0 s	36.4 KiB
cdn-file.hyperos.mi.com/mi-font-service/misans/500/cs.d6dcb01d8b56e74f.14.woff2	1650203.0 s	35.3 KiB
cdn-file.hyperos.mi.com/mi-font-service/misans/500/cs.c446acd779e5d2fe.17.woff2	1476112.0 s	35.0 KiB
cdn-file.hyperos.mi.com/mi-font-service/misans/400/cs.7ecaae6cd566bb8e.17.woff2	1660278.0 s	35.2 KiB
cdn-file.hyperos.mi.com/mi-font-service/misans/500/cs.1e3fc1ac25caa055.16.woff2	1892460.0 s	35.0 KiB
cdn-file.hyperos.mi.com/mi-font-service/misans/500/cs.a3a1b249407f2a59.12.woff2	1484673.0 s	34.4 KiB
cdn-file.hyperos.mi.com/mi-font-service/misans/500/cs.368bba26dceab3f2.11.woff2	1481416.0 s	34.4 KiB
cdn-file.hyperos.mi.com/mi-font-service/misans/500/cs.a501143ec516ef89.8.woff2	717258.0 s	33.3 KiB
cdn-file.hyperos.mi.com/mi-font-service/misans/500/cs.40dce8f14d27ae90.7.woff2	844383.0 s	33.4 KiB
cdn-file.hyperos.mi.com/mi-font-service/misans/400/cs.5ce26b64a1674f60.10.woff2	1047459.0 s	33.5 KiB
cdn-file.hyperos.mi.com/mi-font-service/misans/300/cs.77537e483d531493.10.woff2	1110172.0 s	33.5 KiB
cdn-file.hyperos.mi.com/mi-font-service/misans/500/cs.7144a637759d3dd4.9.woff2	681949.0 s	33.0 KiB
cdn-file.hyperos.mi.com/mi-font-service/misans/500/cs.11e6c18717a05b34.15.woff2	2441687.0 s	34.7 KiB
cdn-file.hyperos.mi.com/mi-font-service/misans/500/cs.9b238b24128e09d9.6.woff2	695408.0 s	32.1 KiB
cdn-file.hyperos.mi.com/mi-font-service/misans/500/cs.501ea541ca5909ab.10.woff2	2299844.0 s	33.6 KiB
cdn-file.hyperos.mi.com/mi-font-service/misans/400/cs.4c99c20b51689926.9.woff2	2493835.0 s	32.9 KiB
cdn-file.hyperos.mi.com/mi-font-service/misans/300/cs.6140b72ecd3e7837.6.woff2	2307077.0 s	31.9 KiB
cdn-file.hyperos.mi.com/mi-font-service/misans/400/cs.5538fe618f9d7a60.5.woff2	2266945.0 s	30.9 KiB
cdn-file.hyperos.mi.com/mi-font-service/misans/400/cs.1656bbfbf2b66170.3.woff2	702762.0 s	29.3 KiB
cdn-file.hyperos.mi.com/mi-font-service/misans/500/cs.d5d63c06c4ee8ca8.3.woff2	623312.0 s	29.2 KiB
cdn-file.hyperos.mi.com/mi-font-service/misans/500/cs.21c946adc24fa32b.4.woff2	1253372.0 s	29.8 KiB
cdn-file.hyperos.mi.com/mi-font-service/misans/500/cs.cacebd01a7296815.5.woff2	2361028.0 s	30.9 KiB
cdn-file.hyperos.mi.com/mi-font-service/misans/300/cs.46cf77f2dc17a254.5.woff2	2575256.0 s	30.9 KiB
cdn-file.hyperos.mi.com/mi-font-service/misans/500/cs.507aeb5f5cc9de3a.2.woff2	692584.0 s	28.5 KiB
cdn-file.hyperos.mi.com/mi-font-service/misans/400/cs.b3063c48c56d5c40.4.woff2	2271754.0 s	29.6 KiB
cdn-file.hyperos.mi.com/mi-font-service/misans/300/cs.83d0a571a19e1fff.2.woff2	1193581.0 s	28.5 KiB
cdn-file.hyperos.mi.com/mi-font-service/misans/300/cs.3259a3ddfc364c1c.4.woff2	2501284.0 s	29.6 KiB
cdn-file.hyperos.mi.com/mi-font-service/misans/500/cs.ee21b24834a16e24.1.woff2	704415.0 s	26.4 KiB
cdn-file.hyperos.mi.com/mi-font-service/misans/400/cs.e37f98eab1bffea9.1.woff2	1578968.0 s	26.3 KiB
cdn-file.hyperos.mi.com/mi-font-service/misans/300/cs.5e0577a5e9687015.1.woff2	2262274.0 s	26.4 KiB
ssl-cdn.static.browser.mi-img.com/mistat-data/onetrack/onetrack.js	10800.0 s	3.4 KiB
cdn.cnbj1.fds.api.mi-img.com/common/jweixin-1.6.0.js	86400.0 s	5.6 KiB
cdn-file.hyperos.mi.com/mi-font-service/misans/400/cs.5dd139a4b434052f.0.woff2	1121245.0 s	21.7 KiB
cdn-file.hyperos.mi.com/mi-font-service/misans/500/cs.4310947b63d7f2af.0.woff2	1325911.0 s	21.8 KiB
cdn-file.hyperos.mi.com/mi-font-service/misans/300/cs.0c6ffc96a626ab7c.0.woff2	2216491.0 s	21.7 KiB
cdn-file.hyperos.mi.com/mi-font-service/misans/500/lt.af0b32b4f18a2804.0.woff2	525808.0 s	12.7 KiB
cdn-file.hyperos.mi.com/mi-font-service/misans/700/lt.78ff5fee56275328.0.woff2	587781.0 s	12.9 KiB
cdn-file.hyperos.mi.com/mi-font-service/misans/400/lt.7dcf87c3c9fcc1be.0.woff2	2356037.0 s	12.3 KiB
cdn-file.hyperos.mi.com/mi-font-service/misans/500/lt.37a6c7d91c8498b1.3.woff2	602954.0 s	9.7 KiB
cdn.cnbj1.fds.api.mi-img.com/common/jsonp.min.js	86400.0 s	1.4 KiB
cdn-file.hyperos.mi.com/mi-font-service/misans/500/lt.b16e5debfe3729dc.5.woff2	1132303.0 s	5.3 KiB
cdn-file.hyperos.mi.com/mi-font-service/misans/700/lt.2b2cd3bc8c621559.5.woff2	706300.0 s	5.2 KiB
cdn-file.hyperos.mi.com/mi-font-service/misans/400/lt.901de8df15597807.5.woff2	1652034.0 s	5.2 KiB

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.

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:3643.5469990234374 label:Time to first byte subpart:timeToFirstByte] map[duration:578.3070009765624 label:Resource load delay subpart:resourceLoadDelay] map[duration:113.165 label:Resource load duration subpart:resourceLoadDuration] map[duration:163.478 label:Element render delay subpart:elementRenderDelay]]

lhId: page-0-IMG

nodeLabel: div.desktop:flex > div.tablet:w-[337px] > div > img

path: 1,HTML,1,BODY,0,DIV,0,MAIN,2,DIV,0,DIV,0,DIV,1,DIV,0,DIV,1,IMG

selector: div.desktop:flex > div.tablet:w-[337px] > div > img

snippet: <img src="https://cia.sec.miui.com/miui-14-homepage/phone.png?imageMogr2/thumbnail/4…" decoding="async" style="display: block; position: absolute; top: 0px; height: 100%; left: 0px;">

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

Why this matters

Performance issues directly impact user engagement and conversion rates.

lhId: page-0-IMG

nodeLabel: div.desktop:flex > div.tablet:w-[337px] > div > img

path: 1,HTML,1,BODY,0,DIV,0,MAIN,2,DIV,0,DIV,0,DIV,1,DIV,0,DIV,1,IMG

selector: div.desktop:flex > div.tablet:w-[337px] > div > img

snippet: <img src="https://cia.sec.miui.com/miui-14-homepage/phone.png?imageMogr2/thumbnail/4…" decoding="async" style="display: block; position: absolute; top: 0px; height: 100%; left: 0px;">

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.

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.

URL	Transfer Size	Duration
/font/css?family=MiSans:300,450,500,650:Chinese_Simplify,...	165.0 KiB	362 ms

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: 1.3 s

URL	Time Spent
miui.com/	1.3 s
home.miui.com/	0.0 ms

Keep the server response time for the main document short because all other requests depend on it. Learn more about the Time to First Byte metric.

Why this matters

Performance issues directly impact user engagement and conversion rates.

Estimated savings: 2.0 s

URL	Time Spent
home.miui.com/	2.1 s

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

Why this matters

Performance issues directly impact user engagement and conversion rates.

TTI

Diagnostics

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

Why this matters

Performance issues directly impact user engagement and conversion rates.

Estimated savings: 120 ms 181.4 KiB

URL	Transfer Size	Est Savings
/font/css?family=MiSans:300,450,500,650:Chinese_Simplify,...	164.8 KiB	164.8 KiB
home.miui.com/_next/static/css/75b70099a3cc6a49.css	20.2 KiB	16.6 KiB

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 reason	Failure 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 2.4 KiB

URL	Transfer Size	Est Savings
cdn.cnbj1.fds.api.mi-img.com/common/jweixin-1.6.0.js	5.1 KiB	2.4 KiB

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

Why this matters

Multi-megabyte JavaScript bundles delay every interactive feature on the page.

Learn more ▾

Source: Google web.dev / Lighthouse

Estimated savings: 0.0 ms 45.8 KiB

URL	Transfer Size	Est Savings
home.miui.com/_next/static/chunks/pages/_app-dedfdfe4da840c5e.js	62.7 KiB	45.8 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

●Forced reflow

●Improve image delivery

●Modern HTTP

●Optimize viewport for mobile

●Max Potential First Input Delay 30 ms

●Minify CSS

●Avoids enormous network payloads Total size was 2,113 KiB

●User Timing marks and measures 7 user timings

●JavaScript execution time 0.1 s

●Minimizes main-thread work 0.5 s

●Image elements have explicit `width` and `height`

●Network Requests

●Network Round Trip Times 240 ms

●Server Backend Latencies 1,060 ms

●Tasks

●Diagnostics

●Metrics

●Screenshot Thumbnails

●Final Screenshot

●Script Treemap Data

●Resources Summary

●Avoid large layout shifts 2 layout shifts found

○INP breakdown

○Avoid long main-thread tasks

○Avoid non-composited animations

Accessibility

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
发布时间 `div.safe-area > div.flex > div > p.text-caption`
发布时间 `div.safe-area > div.flex > div > p.text-caption`
发布时间 `div.safe-area > div.flex > div > p.text-caption`
发布时间 `div.safe-area > div.flex > div > p.text-caption`
发布时间 `div.safe-area > div.flex > div > p.text-caption`
发布时间 `div.safe-area > div.flex > div > p.text-caption`
发布时间 `div.safe-area > div.flex > div > p.text-caption`
发布时间 `div.safe-area > div.flex > div > p.text-caption`
发布时间 `div.safe-area > div.flex > div > p.text-caption`
发布时间 `div.safe-area > div.flex > div > p.text-caption`
发布时间 `div.safe-area > div.flex > div > p.text-caption`
发布时间 `div.safe-area > div.flex > div > p.text-caption`
发布时间 `div.safe-area > div.flex > div > p.text-caption`
发布时间 `div.safe-area > div.flex > div > p.text-caption`
前往了解小米澎湃OS `div.pointer-events-none > div.fixed > a.bg-[#3482FF] > div.mr-[6px]`
参与调研 `a > div.flex > div.ml-[18px] > div.mt-4`
声明与说明本页面中部分功能和服务可能因系统版本、手机型号不同存在差异，请以实际为准。本页面所展示的内容和功能，不能保证能够提供永久服务，可能会因版权、商务… `main > div.text-black > div.safe-area > div.text-[12px]`
本页面中部分功能和服务可能因系统版本、手机型号不同存在差异，请以实际为准。 `div.safe-area > div.text-[12px] > ul.ml-24 > li`
本页面所展示的内容和功能，不能保证能够提供永久服务，可能会因版权、商务或技术条件的变化而调整，请以产品实际内容和功能为准。 `div.safe-area > div.text-[12px] > ul.ml-24 > li`
本页涉及的测试数据均来自小米实验室，均采用相同平台且配置相近设备，多次测试中数据可能存在小范围波动。 `div.safe-area > div.text-[12px] > ul.ml-24 > li`
新浪微博 \| 官方微信 \| 隐私政策 \| 预置应用查询 \| 简体中文 Copyright©2022 MIUI 京ICP备10046444号… `main > div.text-black > div.safe-area > div.text-[12px]`
新浪微博 \| 官方微信 \| 隐私政策 \| 预置应用查询 \| 简体中文 `div.text-black > div.safe-area > div.text-[12px] > div`
新浪微博 `div.safe-area > div.text-[12px] > div > a.hover:underline`
官方微信 `div.text-[12px] > div > div.inline-block > div.relative`
隐私政策 `div.safe-area > div.text-[12px] > div > a.hover:underline`
预置应用查询 `div.safe-area > div.text-[12px] > div > a.hover:underline`
简体中文 `div.safe-area > div.text-[12px] > div > div.relative`
京ICP备10046444号 `div.text-black > div.safe-area > div.text-[12px] > a.hover:underline`
京公网安备 11010802037409号 `div.text-black > div.safe-area > div.text-[12px] > a.hover:underline`

These are opportunities to improve the legibility of your content.

Navigation

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
2010年8月16日 `div.safe-area > div.flex > div > h3.text-h3`
2010年10月29日 `div.safe-area > div.flex > div > h3.text-h3`
2011年3月25日 `div.safe-area > div.flex > div > h3.text-h3`
2012年1月19日 `div.safe-area > div.flex > div > h3.text-h3`
2013年3月1日 `div.safe-area > div.flex > div > h3.text-h3`
2014年8月16日 `div.safe-area > div.flex > div > h3.text-h3`
2015年8月13日 `div.safe-area > div.flex > div > h3.text-h3`
2016年5月10日 `div.safe-area > div.flex > div > h3.text-h3`
2017年7月26日 `div.safe-area > div.flex > div > h3.text-h3`
2018年5月31日 `div.safe-area > div.flex > div > h3.text-h3`
2019年9月24日 `div.safe-area > div.flex > div > h3.text-h3`
2020年4月27日 `div.safe-area > div.flex > div > h3.text-h3`
2021年12月28日 `div.safe-area > div.flex > div > h3.text-h3`
2022年12月11日 `div.safe-area > div.flex > div > h3.text-h3`

These are opportunities to improve keyboard navigation in your application.

Internationalization and localization

Why this matters

Performance issues directly impact user engagement and conversion rates.

Failing Elements
html `html`

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

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
span.w-full > span.inline-block > div.hidden > img `span.w-full > span.inline-block > div.hidden > img`
span.w-full > span.inline-block > div.hidden > img `span.w-full > span.inline-block > div.hidden > img`
span.w-full > span.inline-block > div.hidden > img `span.w-full > span.inline-block > div.hidden > img`
span.w-full > span.inline-block > div.hidden > img `span.w-full > span.inline-block > div.hidden > img`
div.absolute > div.self-center > div > img `div.absolute > div.self-center > div > img`
div.desktop:flex > div.tablet:w-[337px] > div > img `div.desktop:flex > div.tablet:w-[337px] > div > img`
div.flex > div.w-[487px] > div > img `div.flex > div.w-[487px] > div > img`
div.flex > div.w-[450px] > div > img `div.flex > div.w-[450px] > div > img`
div.flex > div.w-[465px] > div > img `div.flex > div.w-[465px] > div > img`
div.flex > div.w-[423px] > div > img `div.flex > div.w-[423px] > div > img`
div.flex > div.w-[442px] > div > img `div.flex > div.w-[442px] > div > img`
div.flex > div.w-[420px] > div > img `div.flex > div.w-[420px] > div > img`
div.flex > div.w-[530px] > div > img `div.flex > div.w-[530px] > div > img`
div > h1.text-h1 > div.mb-[34px] > img `div > h1.text-h1 > div.mb-[34px] > img`
div.flex > div.w-[446px] > div > img `div.flex > div.w-[446px] > div > img`
div > h1.text-h1 > div.mb-[34px] > img `div > h1.text-h1 > div.mb-[34px] > img`
div.flex > div.w-[417px] > div > img `div.flex > div.w-[417px] > div > img`
div > h1.text-h1 > div.mb-[34px] > img `div > h1.text-h1 > div.mb-[34px] > img`
div.flex > div.w-[422px] > div > img `div.flex > div.w-[422px] > div > img`
div > h1.text-h1 > div.mb-[34px] > img `div > h1.text-h1 > div.mb-[34px] > img`
div.flex > div.w-[430px] > div > img `div.flex > div.w-[430px] > div > img`
div > h1.text-h1 > div.mb-[34px] > img `div > h1.text-h1 > div.mb-[34px] > img`
div.flex > div.w-[406px] > div > img `div.flex > div.w-[406px] > div > img`
div > h1.text-h1 > div.mb-[34px] > img `div > h1.text-h1 > div.mb-[34px] > img`
div.flex > div.w-[415px] > div > img `div.flex > div.w-[415px] > div > img`
div > h1.text-h1 > div.mb-[34px] > img `div > h1.text-h1 > div.mb-[34px] > img`
div.flex > div.w-[405px] > div > img `div.flex > div.w-[405px] > div > img`
div > h1.text-h1 > div.mb-[34px] > img `div > h1.text-h1 > div.mb-[34px] > img`
div.fixed > a.bg-[#3482FF] > div.w-24 > img `div.fixed > a.bg-[#3482FF] > div.w-24 > 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

Performance issues directly impact user engagement and conversion rates.

Failing Elements
head > meta `head > meta`

These items highlight common accessibility best practices.

○Interactive controls are keyboard focusable

○Interactive elements indicate their purpose and state

○The page has a logical tab order

○Visual order on the page follows DOM order

○User focus is not accidentally trapped in a region

○The user's focus is directed to new content added to the page

○HTML5 landmark elements are used to improve navigation

○Offscreen content is hidden from assistive technology

○Custom controls have associated labels

○Custom controls have ARIA roles

●`[aria-*]` attributes match their roles

●`[aria-hidden="true"]` is not present on the document `<body>`

●`[role]`s have all required `[aria-*]` attributes

●`[role]` values are valid

●`[aria-*]` attributes have valid values

●`[aria-*]` attributes are valid and not misspelled

●ARIA attributes are used as specified for the element's role

●Elements use only permitted ARIA attributes

●Document has a `<title>` element

●Links have a discernible name

●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.

●Document has a main landmark.

●Deprecated ARIA roles were not used

●All heading elements contain content.

○`[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

○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

○Elements with the `role=text` attribute do not have focusable descendents.

○ARIA toggle fields have accessible names

○ARIA `tooltip` elements have accessible names

○ARIA `treeitem` elements have accessible names

○Buttons have an accessible name

○The page contains a heading, skip link, or landmark region

○`<dl>`'s contain only properly-ordered `<dt>` and `<dd>` groups, `<script>`, `<template>` or `<div>` elements.

○Definition list items are wrapped in `<dl>` elements

○ARIA IDs are unique

○No form fields have multiple labels

○`<frame>` or `<iframe>` elements have a title

○`<html>` element has a valid value for its `[lang]` attribute

○`<html>` element has an `[xml:lang]` attribute with the same base language as the `[lang]` attribute.

○Input buttons have discernible text.

○`<input type="image">` elements have `[alt]` text

○Form elements have associated labels

○Links are distinguishable without relying on color.

○The document does not use `<meta http-equiv="refresh">`

○`<object>` elements have alternate text

○Select elements have associated label elements.

○Skip links are focusable.

○No element has a `[tabindex]` value greater than 0

○Cells in a `<table>` element that use the `[headers]` attribute refer to table cells within the same table.

○`<th>` elements and elements with `[role="columnheader"/"rowheader"]` have data cells they describe.

○`[lang]` attributes have a valid value

○`<video>` elements contain a `<track>` element with `[kind="captions"]`

○Tables have different content in the summary attribute and `<caption>`.

○Uses ARIA roles only on compatible elements

○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.

Best Practices

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 / Warning	Source
Unload event listeners are deprecated and will be removed.	hm.baidu.com/hm.js?48d720a449f859af28f0c2975455d83a line 1, col 274

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.

Source	Description
cdn.cnbj1.fds.api.mi-img.com/miui-14-video/log-json/userNames0.json	`Failed to load resource: the server responded with a status of 403 ()`
home.miui.com/_next/static/chunks/22-5eba672c80cdf4ec.js line 5, col 40830	`ti`

●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

●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 clickjacking with XFO or CSP

●Mitigate DOM-based XSS with Trusted Types

●Detected JavaScript libraries

●Page has valid source maps

○Redirects HTTP traffic to HTTPS

SEO

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
span.w-full > span.inline-block > div.hidden > img `span.w-full > span.inline-block > div.hidden > img`
span.w-full > span.inline-block > div.hidden > img `span.w-full > span.inline-block > div.hidden > img`
span.w-full > span.inline-block > div.hidden > img `span.w-full > span.inline-block > div.hidden > img`
span.w-full > span.inline-block > div.hidden > img `span.w-full > span.inline-block > div.hidden > img`
div.absolute > div.self-center > div > img `div.absolute > div.self-center > div > img`
div.desktop:flex > div.tablet:w-[337px] > div > img `div.desktop:flex > div.tablet:w-[337px] > div > img`
div.flex > div.w-[487px] > div > img `div.flex > div.w-[487px] > div > img`
div.flex > div.w-[450px] > div > img `div.flex > div.w-[450px] > div > img`
div.flex > div.w-[465px] > div > img `div.flex > div.w-[465px] > div > img`
div.flex > div.w-[423px] > div > img `div.flex > div.w-[423px] > div > img`
div.flex > div.w-[442px] > div > img `div.flex > div.w-[442px] > div > img`
div.flex > div.w-[420px] > div > img `div.flex > div.w-[420px] > div > img`
div.flex > div.w-[530px] > div > img `div.flex > div.w-[530px] > div > img`
div > h1.text-h1 > div.mb-[34px] > img `div > h1.text-h1 > div.mb-[34px] > img`
div.flex > div.w-[446px] > div > img `div.flex > div.w-[446px] > div > img`
div > h1.text-h1 > div.mb-[34px] > img `div > h1.text-h1 > div.mb-[34px] > img`
div.flex > div.w-[417px] > div > img `div.flex > div.w-[417px] > div > img`
div > h1.text-h1 > div.mb-[34px] > img `div > h1.text-h1 > div.mb-[34px] > img`
div.flex > div.w-[422px] > div > img `div.flex > div.w-[422px] > div > img`
div > h1.text-h1 > div.mb-[34px] > img `div > h1.text-h1 > div.mb-[34px] > img`
div.flex > div.w-[430px] > div > img `div.flex > div.w-[430px] > div > img`
div > h1.text-h1 > div.mb-[34px] > img `div > h1.text-h1 > div.mb-[34px] > img`
div.flex > div.w-[406px] > div > img `div.flex > div.w-[406px] > div > img`
div > h1.text-h1 > div.mb-[34px] > img `div > h1.text-h1 > div.mb-[34px] > img`
div.flex > div.w-[415px] > div > img `div.flex > div.w-[415px] > div > img`
div > h1.text-h1 > div.mb-[34px] > img `div > h1.text-h1 > div.mb-[34px] > img`
div.flex > div.w-[405px] > div > img `div.flex > div.w-[405px] > div > img`
div > h1.text-h1 > div.mb-[34px] > img `div > h1.text-h1 > div.mb-[34px] > img`
div.fixed > a.bg-[#3482FF] > div.w-24 > img `div.fixed > a.bg-[#3482FF] > div.w-24 > 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

●Links are crawlable

●Document has a valid `hreflang`

○robots.txt is valid

○Document has a valid `rel=canonical`

Results for https://miui.com

Site Health

How you compare

Top Priorities (5)

Fix Priority Matrix

Quick Wins

Strategic

Easy Improvements

Deprioritize

What fixing these means

Conversion Barriers

Speed (1)

Trust (2)

Usability (1)

Content (3)

Navigation (2)

Return on Investment

Investment

Monthly returns

Regulatory risk avoided

Payback period

Estimated Remediation Cost

Cost by category

Cost by effort level

What Inaction Is Costing You

Compliance Risk

Bandwidth Waste

Lighthouse Scores

Core Web Vitals

Detailed Report

Performance

Insights

Diagnostics

Accessibility

Contrast

Navigation

Internationalization and localization

Names and labels

Best practices

Best Practices

General

SEO

Crawling and Indexing

Content Best Practices

Lighthouse Scores

Core Web Vitals

Detailed Report

Performance

Insights

Diagnostics

Accessibility

Contrast

Navigation

Internationalization and localization

Names and labels

Best practices

Best Practices

General

SEO

Content Best Practices

Keyboard Shortcuts