automatic page refreshes?

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ChrisHB Jan 2013 10:04pm, 24 Jan 2013 8,392 posts	0 ChrisHB If I'm on the Forums page, go away to a different window for a while and return to the window containing the Forums page, then without my having refreshed the page, it has been updated so that the top entry is less than a minute old. But if from the Forums page I go and read a thread, and then use the BACK button to return to Forums, then it can be hours out of date. What's going on?
fetcheveryone Jan 2013 10:16pm, 24 Jan 2013 12,322 posts	0 fetcheveryone The 'Back' button pulls the page directly from browser memory/cache, and as such it probably represents the last time you requested that page in its entirety from the server. If however, you leave the 'thread list' page sitting in your browser, it's programmed to update its own listings dynamically every few minutes, but it's not updating the whole page.
ChrisHB Jan 2013 10:40pm, 24 Jan 2013 8,393 posts	0 ChrisHB Thank you. Just as long as I'm not seeing things.
sprouty76 Jan 2013 11:52am, 25 Jan 2013 4,480 posts	0 sprouty76 You'll see the same on other dynamic sites - e.g. follow a link on Facebook or twitter and then go back, and you'll sometimes see the content from the last time you loaded it briefly. I think they check for updates almost immediately on page loading though.