browser-cache

Do browsers parse javascript on every page load?

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Do browsers (IE and Firefox) parse linked javascript files every time the page refreshes? They can cache the files, so I’m guessing they won’t try to download them each time, but as each page is essentially separate, I expect them to tear down any old code and re-parse it. This is inefficient, although perfectly understandable, … Read more

How to set HTTP headers (for cache-control)?

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How to enable browser caching for my site? Do I just put cache-control:public somewhere up in my header like this? <!DOCTYPE html PUBLIC “-//W3C//DTD XHTML 1.0 Transitional//EN” “http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd” Cache-Control:public; > I am using the latest version of PHP developing on the latest version of XAMPP. 8 Answers 8

What’s the difference between “Normal Reload”, “Hard Reload”, and “Empty Cache and Hard Reload” in Chrome?

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I recently discovered this new feature in Chrome: I can figure out the difference between option 1 and option 3, and that option 2 is probably something in between, but I can’t find any more precise information anywhere. Anybody know the precise behavior of each of the 3 options? 4 Answers 4

What’s the difference between Cache-Control: max-age=0 and no-cache?

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The header Cache-Control: max-age=0 implies that the content is considered stale (and must be re-fetched) immediately, which is in effect the same thing as Cache-Control: no-cache. 8 s 8 I had this same question, and found some info in my searches (your question came up as one of the results). Here’s what I determined… There … Read more