Normal browser
This observation may occur in a legitimate browsing session. The result depends on the action, device, and the data available.
← All detection signalsDETECTION SIGNALEXPLANATION01 EXPECTED RESPONSE 02 OBSERVATION & CONTEXT
Incremental Reading Scroll
A closer look at the browser, network, or interaction evidence behind this signal.
What we test
Small, staggered downward scrolls (15–140px, >150ms apart).
Why it matters
This observation provides context for reviewing a session. Assess it alongside other independent evidence and the conditions under which it was collected.
How to interpret the response
Bot-managed browser
An automated or proxied session may not show this observation, but it can also imitate some interactions. Absence of this observation is not proof of automation.
Browser versions, device settings, extensions, accessibility tools, and network conditions can affect results. These examples are illustrative, not a specific visitor record.