Session Replay for Debugging: See What Users Did Before the Bug
How session replay works, what it captures, and why pairing it with console and network logs turns vague bug reports into diagnosable ones.
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Ideas, tutorials, and updates from our team.
Three quarters of our SDK was code almost nobody ran
A third-party widget that ships 450 KB to every visitor has to justify it. Ours couldn't. Here's the measurement, the fix, and the thing about defer that turned out to be wrong.
Works on my machine: a field guide to unreproducible bugs
"Cannot reproduce" is not a property of the bug. It is a statement about the difference between two machines. There are only about eight such differences, and each one leaves a distinct fingerprint.
Session replay without the surveillance
Session replay has a reputation problem, most of it earned. Here's how we use it — scoped to a report, redactable by the user, and off with one line.
Anatomy of a bug report: what we capture and why
A tour through every signal the BugDump widget collects, why each one earns its place, and which ones actually solve bugs.