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See which errors are costing you users.

Every JavaScript error tied to the session and the page where it happened, ranked by how many users it hit. Stack traces and impact without a second tool.

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Error tracking starts on the Hobby plan. Free includes analytics for 10,000 events/mo.

Prioritize by affected users.

Every error shows affected users, occurrences, and errors per affected user, so the bug hurting the most people rises to the top.

Find the one page generating all the errors.

Exceptions and rejections, captured automatically.

An error hitting 500 users matters more than one hitting 1 user 500 times.

See when the error stops hitting users.

Frequently asked questions.

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