css scanner
Developer Tools
The fastest, cleanest free css property viewer.
Users
5K
Rating
4.6
Reviews
15
7D Growth
-1K|-16.7%
Cooling signalNo paid features detectedHigh-risk permissions
Unused CSS/JS Detector
Detects unused CSS and JS files on web pages
Users287Current public install base
Rating3.5Store average score
Reviews2Public review volume
Manifest versionV3Extension platform version
7-day growth-1Net users gained this week
7-day growth rate-0.35%Relative weekly velocity
Preview
2 assetsUnused CSS/JS Detector Media preview
Trend
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7-day rating change
Start
3.50
Latest
3.50
7-day rating change
0.00
2026年7月15日2026年7月21日
Growth overview
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1-day growthGrowing
+1+0.35%7-day growthDeclining
-1-0.35%30-day growthGrowing
+3+1.06%Technical snapshot
Version, languages, and crawl freshness
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Version1.0
ManifestV3
Size20.88KiB
Languages1English (United States)
Published
Store updated
Last crawled
English (United States)
Overview
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Unused CSS/JS Detector
Optimize Your Web Development Workflow with Precision
Enhance your web development efficiency with the Unused CSS/JS Detector, a powerful Chrome extension designed for developers and web optimization enthusiasts. This tool helps you identify and manage unused CSS and JavaScript files on any webpage, streamlining your optimization process and improving page load performance.
Key Features:
1. Detect Unused Resources: Automatically scans the current page to pinpoint unused CSS stylesheets and JavaScript files, saving you valuable time during audits.
2/ Block/Unblock Functionality: Easily block detected unused resources with a single click and unblock them when needed, with changes persisting across sessions.
Reviews
Recent review snapshot
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Store average score3.5Chrome Web Store aggregate rating, including ratings without synced review text
Synced text average2.0Average computed only from synced review bodies below
Reviews with text1Synced review bodies
Total ratings / reviews2Chrome Web Store public rating/review count
Store average score: 3.5. 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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Handy to be able to quick block CSS or JS, but the scan of unused CSS is very inaccurate and that should be the main feature. Looks like it doesn't support @import CSS.