Heatmaps & Session ReplayWhat is Crazy Egg?
Crazy Egg is a heatmap, scroll-map, and A/B-testing tool that visualises where visitors click and how far they scroll, helping teams decide what to change on a page.
Why Crazy Egg matters
Crazy Egg is a long-standing CRO tool found on marketing sites focused on landing-page optimisation. It is lightweight but, like all client-side scripts, should be consent-gated for EU visitors.
Sites using Crazy Egg
A sample of domains in the TagStack index where Crazy Egg was detected.
What's usually deployed alongside Crazy Egg
Share of indexed containers running Crazy Egg that also run each tool. Based on a sample of the index, so treat these as approximate.
Is your Crazy Egg set up correctly?
- The snapshot script is on the pages you actually want to analyse.
- Consent is honoured for EU visitors.
See Crazy Egg on any website
Enter a URL to reveal its full tracking stack — every tag, pixel and consent tool — in seconds. No login or code access required.
Common Crazy Egg alternatives
Crazy Egg FAQ
TagStack has detected Crazy Egg in 19,938 Google Tag Manager containers across its index of 3,278,587 scanned domains. That reflects sites deploying Crazy Egg through GTM, so sites that install it directly in their source code are not counted.