GTM Testing
Free A/B Testing with Google Tag Manager
GTM Testing launched on August 14, 2017 with 8 votes, #1,073 of 3,214 launches that month and more than 50% of that year's launches. The site was still online in September 2026, 9 years on.
What it does
Run free A/B tests with unlimited pagesviews, directly from your own Google Tag Manager.
No account or creditcard required: start your test within a few minutes ! GTM testing offers a simple and elegant solution to ab testing in Google Tag Manager. And it's free for unlimited tests and pageviews. 1. Add the GTM testing code snippet to a custom html tag in Google Tag Manager (GTM). Fire this tag with the testing library on an event call call_gtmtesting , so that it runs only on pages you fire tags with tests. That's it, you're all set to create your first test! 2. Create a test and paste the output code in another custom html tag and fire it on the page(s) you want to run the test. 3. Publish your GTM container (always preview first!) and your test is live! You can also use GTM…from abtestguide.com
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