javascript - How does Google Analytics Real Time work? - Stack Overflow

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I'm wondering how Google Analytics Real Time user interface works, what's the technique ? Do they use long-polling from the client to keep the UI statistics instantly up to date by delivering realtime information from the server to the client? I just open Chrome dev tool on network tab and there is a infinite request on Does anybody know the trick? It works flawless...

I'm wondering how Google Analytics Real Time user interface works, what's the technique ? Do they use long-polling from the client to keep the UI statistics instantly up to date by delivering realtime information from the server to the client? I just open Chrome dev tool on network tab and there is a infinite request on https://www.google./analytics/realtime/bind Does anybody know the trick? It works flawless...

• javascript
• google-analytics
• et
• long-polling

Share Improve this question Follow edited Jul 29, 2013 at 16:13 Jo Liss 33.2k2424 gold badges130130 silver badges179179 bronze badges asked Nov 30, 2011 at 18:12 AlexandreAlexandre 7,23266 gold badges5959 silver badges7474 bronze badges

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2 Answers 2

Sorted by: Reset to default 6

The below refers to how the real time data is collected, not how the UI updates. (It looks like the UI is just using AJAX polling on the client-side, though)

No special polling or client-side technique is used. Data collection is the same as it always has been.

Instead, Google Analytics will assume that someone who's triggered a pageview in the last 5 minutes is still an "active" visitor.

From e-nor:

These visitors have been active in the last 5 minutes, any one not active for over 5 minutes is dropped.

I was one of two people who built the first version of the Realtime Analytics UI. We used Closure's BrowserChannel.

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