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Every error happened to someone.

Uncaught errors and failed promises land in your analytics with the stack trace, the page, and how many people each one hit.

Start tracking errorsRead the setup docs
Included from Hobby.
TypeError: Cannot read properties of undefined (reading 'map')312 people184 left
/
/pricing
/checkout
/payment
Paid

Find the errors that hit the most people.

One stuck tab can throw a thousand errors. Databuddy shows how many people each error hit.

Unhandled rejection: Failed to fetch
0occurrences
0person
TypeError: reading 'map'
0occurrences
0people

Get the stack trace and where it happened.

Open an error for its stack trace, file and line, browser, device, and country, so you know where to start looking.

SafariSafariAppleiPhone
  1. Viewed /14:02:10
  2. Viewed /pricing14:02:52
  3. Viewed /checkout14:03:25
  4. TypeError: Cannot read properties of undefined (reading 'map')14:03:28
  5. /payment
  6. Paid

Know which errors make people leave.

On Business and Scale, Databunny compares visits that hit the error with similar visits that didn't.

DatabunnyChecking
Hit the error41%
Similar visits63%
22fewer out of every 100 kept goingCompared with visits on the same page, day, and device.

Turn it on with one line.

Add data-track-errors to the script you already have. Errors from browser extensions, cross-origin "Script error." messages, and ResizeObserver warnings stay out of your list.

index.html
<script  src="https://cdn.databuddy.cc/databuddy.js"  data-client-id="your-client-id"  data-track-errors  async></script>
BrowserDatabuddy
  • TypeError: reading 'map'
  • Error at chrome-extension://
  • Unhandled rejection: Failed to fetch
  • Script error.
  • ResizeObserver loop completed
  • RangeError: Invalid time value

Frequently asked questions.