Instantly detects whether a website is powered by React.js.
Users
44
+1 in 30 days
Rating
0.0 / 5
unchanged in 30 days
Ratings
0
0 in 30 days
Store rank
#114K
#95K among extensions
Version
1.0
updated 14 Dec 2025
Users
monthly, 10 months
Latest, 16 Oct 2026:44 usersMove the mouse over the chart for any month
Ratings count
monthly, 10 months
Latest, 16 Oct 2026:0 ratingsMove the mouse over the chart for any month
The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.
About React Detector Badge
π Instant React Detection at a Glance
React Detector Badge is your intelligent companion for browsing modern web applications. With a single glance at your browser toolbar, instantly know whether the website you're visiting is built with React.js - the world's most popular JavaScript library for building user interfaces.
β¨ How It Works:
π‘ Smart Detection: Automatically scans for React.js as you browse
π΅ Blue Icon = React.js detected β
⬀ Gray Icon = React not detected β
π One-Click Details: Click icon for React version information
βοΈ Zero Setup: Works immediately after installation
π― Key Features:
π Real-time Detection: Icon updates instantly as you navigate
π Version Details: See exact React version with one click
π‘ Performance Optimized: Lightweight, minimal resource usage
π Privacy First: No data collection or tracking
π Always Current: Regular updates for new React versions
π₯ Perfect For:
π» Developers: Research tech stacks & competitor sites
π’ Recruiters: Find companies using React
π Job Seekers: Identify potential employers using React
π Learners: Study real-world React implementations
π§ Tech Enthusiasts: Satisfy curiosity about website technologies
π οΈ Technical Highlights & Performance:
π₯ Fast Detection: Typically under 100ms on average
π Lightweight: Minimal resource usage (typically under 2MB memory usage)
π No Configuration Needed: Set-and-forget simplicity, it just works!
β±οΈ Non-Intrusive: No impact on page loading speed
π’ Background Operation: Detection runs without user interaction
π Efficient Algorithm: Optimized detection for speed and accuracy
βοΈ Simple 3-Step Setup:
1οΈβ£ Install from Chrome Web Store
2οΈβ£ Browse normally - detection happens automatically
3οΈβ£ Check Icon: Blue = React, Gray = No React
π Privacy & Security
β’ No Data Collection: We don't collect, store, or transmit any browsing data
β’ Local Processing: All detection happens locally in your browser
β’ No Permissions Beyond Necessity: Only accesses active tab for detection
β’ Open Source Principles: Transparent about detection methodology
β’ GDPR Compliant: Designed with privacy regulations in mind
Growth
Window
Users
Change
Ratings
Rating
7 days
0
+0.0%
0
0.00
30 days
+1
+2.3%
0
0.00
6 months
+22
+100.0%
0
0.00
Chrome Web Store search rankings
Where React Detector Badge appears when people search the store, with the 30 day change