CLS Visualizer
Developer Tools
Visualizer the CLS of any webpage
Users
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Rating
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Reviews
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7D Growth
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Stable signalUnknownHigh-risk permissions
Core Web Vitals Test
Check Core Web Vitals and compare metrics for desktop and mobile devices. Check pagespeed insights using our Chrome extension.
Users8KCurrent public install base
Rating4.9Store average score
Reviews30Public review volume
Manifest versionV3Extension platform version
7-day growth0Net users gained this week
7-day growth rate0%Relative weekly velocity
Preview
4 assetsCore Web Vitals Test Media preview
Trend
User growth trend
Review user movement across collected snapshots.
User Growth Over Time
Rating trend
7-day rating trend
View collected rating snapshots from the latest 7-day window to assess rating stability.
7-day rating change
Start
4.87
Latest
4.87
7-day rating change
0.00
2026年7月13日2026年7月19日
Growth overview
Daily, weekly, and monthly growth
Compare 1-day, 7-day, and 30-day net growth and growth rate.
1-day growthFlat
00%7-day growthFlat
00%30-day growthNo data
----Technical snapshot
Version, languages, and crawl freshness
Review publication date, version, supported languages, and crawl timestamps.
Version1.0.7
ManifestV3
Size455KiB
Languages55Deutsch / English / English (Australia) +52
Published
Store updated
Last crawled
DeutschEnglishEnglish (Australia)English (United Kingdom)English (United States)FilipinoIndonesiaKiswahiliMelayuNederlandsTiếng ViệtTürkçe
Overview
Product summary
Review the store description, core capabilities, and common use cases.
✨ How to use this extension
1. 🛠️ Install the extension.
2. 🌐 Navigate to the web page you want to analyze.
3. 🖱️ Click on the extension icon.
4. 💻 The Core Web Vitals test will calculate metrics for desktop.
5. 📱 Click the "Mobile" button to calculate metrics for mobile devices.
Reviews
Recent review snapshot
Inspect the latest comments and rating distribution.
Store average score4.9Chrome Web Store aggregate rating, including ratings without synced review text
Synced text average5.0Average computed only from synced review bodies below
Reviews with text18Synced review bodies
Total ratings / reviews30Chrome Web Store public rating/review count
Store average score: 4.9. The bars below are calculated from synced review text only, so they may be empty for extensions that have public ratings but no synced comments yet.
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Review related products from the Chrome Web Store detail page.
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Хорошее расширение. Действительно удобно.
Clear, accurate and fast. Whats not to love? History would be amazing but I think thats well beyond the scope of this great little helper
Dam Good.
Extremely insightful! Checked my personal website aleksic.xyz and the insights are really valuable.
This is very helpful. checked my personal website xahidex.com
Absolute Cinema
It's a really useful tool for SEO
非常好用的一款插件
Очень удобно, использую на постоянной основе, радует, что есть мобильная версия для замера метрик
Супер