CRX id
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Description from extension meta
Detects A/B testing tools and experiments on the website
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Description from store
🚀 A/B Test Identifier – Instantly Uncover A/B Tests on Any Website
-Welyft A/B Test identifier is the ultimate Chrome extension for professionals in Conversion Rate Optimization (CRO), User Experience (UX), and web performance analysis.
-With a single click, detect hidden A/B tests, multivariate experiments, and dynamic personalization on any site you visit.
🔍 Key Features
-Automatic detection of leading testing & personalization platforms:
Optimizely, AB Tasty, VWO, Kameleoon, Dynamic Yield, ( and more to come)
-Reveals active experiments and variations – often includes test or campaign IDs.
-Compatible with e-commerce stores, SaaS platforms, landing pages, and marketing sites.
-Lightweight & privacy-first: no tracking, no data collection.
👥 Who It’s For
-CRO and Growth Marketers – uncover competitor testing strategies
-UX/UI Designers & Web Analysts – enhance audit speed and depth
-Front-End Developers & QA Testers – identify unexpected changes
-Digital Consultants & Curious Explorers – spot optimization tactics on the fly
📈 What You Can Do
-Reveal A/B tests and personalization tactics on live websites
-Identify testing tools used by competitors or clients
-Accelerate UX audits, QA processes, and site evaluations
-Stay inspired by real-world experimentation examples
❓ FAQ – Frequently Asked Questions
How does A/B Test identifier identify experiments?
-We use public front-end APIs exposed by A/B testing and personalization tools to collect experiment metadata. These APIs are typically available in the browser for testing/debugging purposes.
Can the extension collect data from my experiments?
No. A/B Test identifier only detects publicly exposed information, such as:
-The experiment name
-The type of experiment (e.g., A/B test, personalization)
-It does not collect or expose private data, such as audience segments, performance metrics, targeting rules, or results. The extension operates read-only and does not send any data outside your browser.
What types of tests can it detect?
-A/B tests
-Split URL tests
-Multivariate tests
-Dynamic content personalization
Depending on the tool and setup, it may also detect which variation is being served.
Which testing tools are supported?
-We support a wide range of platforms including:
-Optimizely, AB Tasty, VWO, Kameleoon, Dynamic Yield, (and more to come)
The detection engine is regularly updated to stay current with the ecosystem.
Why am I not seeing any tests?
Several possible reasons:
-Cookie consent not granted – some tests require marketing cookies to activate.
-Unsupported platform – we may not yet support the tool in use.
-Server-side test – server-side experiments often don't expose client-side data.
-No active experiments – the site may not be running any tests at the moment.
Does the extension send any data to Welyft?
-Absolutely not. All detections happen locally in your browser. No data about your browsing or detected experiments is sent to Welyft or any third party.
Changelog:
1.2 : Fix on Kameleoon & ABTasty API