Shahin

Friction Signal

Intermediate
Updated Jul 11, 2026 Shahin editorial 2 min read
PronunciationEN/ˈfrɪkʃən ˈsɪɡnəl/

A friction signal is a behavioural marker recorded inside a session showing that the interface did not respond the way the visitor expected.

The recorder watches for interaction patterns that only appear when expectation and response diverge: repeated clicks on one element in under a second, a click that changes nothing, a click that coincides with a JavaScript error, and a return from a page within the first few seconds. Each pattern is attached to the session as a tag, so a list of thousands of recordings narrows to the handful worth watching. The tag names the symptom rather than the cause: a dead click on a decorative heading is noise, while the same tag on a checkout button is a revenue bug. The recurring mistake is reading tag counts as a quality score, because one broken element on a high-traffic page inflates every count at once.

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