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I noticed a question where someone asked it 8 minutes ago but their profile stated they were last seen 23 minutes ago so there's a discrepenacy I suppose or maybe this is as expected per however this functionality works behind the scenes.

Asked

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Last Seen

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Question: Is this normal and if so what causes this and why does it work that way?

1 Answer 1

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This is intended - that time is only updated every 15 minutes to keep things fast on the server side:

The rationale is that this number is tracked to give folks a rough idea of whether a given user is still active; the primary implementation concern is raw speed, not accuracy.

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