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Topic: Why does a browser download a new copy of a page when you press the BACK button?

Anonymous 8e62055c43a34661bd49f27a7bdda226 started this discussion 1 month (2008-10-15 03:38:33 UTC) ago:

It seriously shits me that I can visit a page, click a link, and then when I press "back" just seconds later, the browser has to go and download another copy of the same page I viewed just seconds earlier. Why? Can I turn this off? I know the rationale is probably to have the most current page available, but surely retrieving it from my cache rather than downloading it is faster (especially considering my slow connection) and the few seconds/minutes don't really matter. If the browser really did have to do this, couldn't it just download a hash of the page to check it against before retrieving it again?

Any insight on this?

Anonymous 411d48627253d3d3908eaeff58afbcb4 replied with this 1 month (2008-10-15 03:40:09 UTC) ago, 2 minutes later (#70,229):

The HTTP protocol is much more complicated than that. You can force your browser to cache aggressively, but that gets annoying for other reasons…

Anonymous b4f01d80dbb8fba31b1c9ea48b1e404f replied with this 1 month (2008-10-15 03:53:06 UTC) ago, 13 minutes later (#70,240):

It sounds like you are using firefox. Change to a browser that actually works (like Opera) and you won't have said problem. That is all.

Anonymous a1c6ae21da57eb791519e0be9d248770 replied with this 1 month (2008-10-15 15:12:32 UTC) ago, 11 hours later (#70,422):

One of the things causing this would be client side includes. If you go to a "web 1.0" website you won't notice this, but you'll be seeing this more and more as AJAX and "cloud computing" becomes more and more common.

Anonymous 411d48627253d3d3908eaeff58afbcb4 replied with this 1 month (2008-10-15 15:13:37 UTC) ago, 1 minute later (#70,423):

@70,422

You have no idea what you are talking about. Stop talking about things that you don't know the first thing about.

Anonymous 5640fdc65e43b963869a766367535889 replied with this 1 month (2008-10-15 16:02:42 UTC) ago, 49 minutes later (#70,436):

> Any insight on this?

You are definitely using the wrong browser. Use Opera or Firefox. They pull the page from cache. Shoot, Opera will pull a page from cache even if there was POSTDATA or other dynamic data.

Anonymous 1c2d6ec4471a29c2954d3b78c9e6b60a replied with this 1 month (2008-10-15 18:16:26 UTC) ago, 2 hours later (#70,465):

@70,436

I have the newest firefox browser, and it doesn't solve OP's "problem"

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