A/B Test Detector - Detect A/B Experiments on Any Website icon

A/B Test Detector - Detect A/B Experiments on Any Website

by Brillmark · Tools
Manifest V3 Free
View in Chrome Web Store Data as of 19 Oct 2026

Instantly detect live A/B tests from Optimizely, VWO, AB Tasty, Convert & more on any website you visit.

Users
72
+4 in 30 days
Rating
5.0 / 5
unchanged in 30 days
Ratings
1
0 in 30 days
Store rank
#95K
#80K among extensions
Version
1.2.0
updated 2 May 2026

Users

monthly, 8 months
03672Feb 2026Jul 2026Oct 2026
Latest, 19 Oct 2026: 72 usersMove the mouse over the chart for any month

Ratings count

monthly, 8 months
001Feb 2026Jul 2026Oct 2026
Latest, 19 Oct 2026: 1 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 A/B Test Detector - Detect A/B Experiments on Any Website

A/B Test Detector – See What Experiments Are Running on Any Website Are you a CRO specialist, marketer, developer, or UX researcher? A/B Test Detector instantly reveals hidden A/B tests and experiments running on any website — with just one click. Whether you're doing competitor research, auditing a client's site, or just curious what's being tested — this extension gives you instant visibility. --- SUPPORTED PLATFORMS --- - Optimizely - VWO (Visual Website Optimizer) - AB Tasty - Convert - More platforms added regularly --- KEY FEATURES --- - One-click detection — no setup required - See active experiments and running variants - Works on any website, any page - Lightweight and privacy-friendly — no data is sent to external servers - Free to use --- WHO IS IT FOR? --- - CRO (Conversion Rate Optimization) specialists - Growth marketers & product managers - UX designers & researchers - Web developers & QA testers - Anyone curious about how websites run A/B experiments --- HOW IT WORKS --- Simply visit any website and click the A/B Test Detector icon. The extension scans the page and instantly shows you which experimentation platforms are active and what tests are currently running. Stop guessing. Start seeing. Install A/B Test Detector for free today.

Growth

WindowUsersChangeRatingsRating
7 days+2+2.9%00.00
30 days+4+5.9%00.00
6 months+14+24.1%00.00

Chrome Web Store search rankings

Where A/B Test Detector - Detect A/B Experiments on Any Website appears when people search the store, with the 30 day change
Search phrasePosition30 days
detect#21+19

Version history

2 versions recorded
1.2.02 May 2026
1.1.024 Feb 2026

Details

Category
Tools
First seen
24 Feb 2026
Size
43 KB
Languages
en
Pricing
Free
Privacy policy
gist.github.com
Extension ID
nhcncmmhinbmgdnjcffmgedmhhbmkhfg

Permissions and risk

Moderate riskimpact 3, likelihood 2
Permissions
storagetabswebRequest
Site access
<all_urls>
Can read and change data on every website you visit.

Alternatives to A/B Test Detector - Detect A/B Experiments on Any Website

Extensions that rank for the same store searches or share the Tools category, ordered by users