- Free 14-day trial
- 1 000 logged errors per month
- 1 000 log API calls per month
- Performance metrics for 100 URLs
- Time on page for 100 URLs
- Pageviews for 10 000 URLs
- 1 domain per account
- Email notifications
- Click trails
- Priority support
Be notified when your web app breaks and see the full context of the error so you can fix problems quickly.
Build a blazingly fast experience. Track web performance metrics, including Core Web Vitals, to ensure high performance on all your pages.
Know where your customers are spending their time, by measuring how long each page is visible in a browser.
CatchJS has processed billions of events for customers around the world.
Just add the following script tag, set up an account, and you are ready.
The CatchJS script will set up error reporting and performance monitoring directly from your users' browsers. It will automatically collect uncaught exceptions, performance metrics and time on page analytics. Read more about setting up CatchJS.
Build a fast website. Monitor the user experience on your pages, with performance metrics like the Core Web Vitals. Analyze where the time is being spent via the page load timeline.
Time-on-page measurements let you know how long pages are open in your users' browsers, so you can see where people actually spend their time.
Make it fast. Don't let error tracking and performance monitoring slow things down. The CatchJS script is up to 20 times smaller than our competitors, less than 1.8KB after compression.
We'll monitor your website, but not your users. CatchJS does not make any attempt at tracking users, neither through IPs or cookies or anything else. Since CatchJS doesn't track personally identifiable information, you don't need to add a consent pop-up to use it. Read more.