time user spent on the page

Question

Is there a library or solution for quick apache/nginx log parsing and finding out how much time a user has spent on each page?

UPDATE: spent on every 3rd level domain.

For example AWStat can do that ( A full log analysis enables AWStats to show you the following information: Visits duration and last visits)

How would Apache know how long a user's on a page? All it can tell is when a request is made. — Ash Burlaczenko, Mar 24 '11 at 15:37
I know when user requested page, and if time between requests is more than X that means that user leaved site — John, Mar 24 '11 at 19:04

score 2 · Answer 1 · answered Mar 24 '11 at 15:38

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You cannot do this with log files... The log files don't log when a user leaves the page. Youll need to use javascript for this using onload() and onunload()

answered Mar 24 '11 at 15:38

Galen

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You can extract a reasonably reliable time-of-departure by figuring out when the 'next' page was loaded. it fails for users who hold open multiple windows/tabs on the site, but works fairly well in general. – Marc B Mar 24 '11 at 15:48
what happens if they go to one page then leave – Galen Mar 24 '11 at 19:08
I can not use javascript, and onload()/onunload() as i know doesn't work in Opera ("pinging" server is workaround for opera) – John Mar 24 '11 at 19:11

score 2 · Answer 2 · answered Mar 24 '11 at 15:40

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Google analytics can help. It cannot determine how long a user was on the "last" page because it keeps track of when the user entered the next page to determine when they left the previous page.

answered Mar 24 '11 at 15:40

Diodeus - James MacFarlane

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score 1 · Accepted Answer · edited May 23 '17 at 12:08

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Apache cannot do this. You can use jquery but it might not be accurate unless you perform long-polling on the page. Your question has been answered here in full on StackOverflow:

How to measure a time spent on a page?

edited May 23 '17 at 12:08

Community

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answered Mar 24 '11 at 16:19

Cogicero

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I can not modify site to add client side scripts (and as I know unload event doesn't work in Opera). Apache can not do that. But it is possible to calculate this. e.g. AWStats do that – John Mar 24 '11 at 19:19

time user spent on the page

3 Answers3