A cache is a local copy of a file that exists elsewhere. Caching can take place in the browser, on a dedicated machine on a network, or at an ISP.

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12
votes
4answers
15k views

How do I set expiration headers for CSS, JS, and Images?

I have recently analysed my website with pagespeed addon on firebug. It suggested me to set expiration on CSS, JS and image files. I am wondering how do i do this?
0
votes
2answers
1k views

.htaccess and browser caching

I ran across these suggested htaccess edits. Is this a good practice? Is this something I should implement on my wordpress site?: <IfModule mod_expires.c> ExpiresActive On ExpiresByType ...
8
votes
2answers
125 views

Control over the Internet Archive besides just “Disallow /”?

Are there any mechanisms to control what the Internet Archive archives on a site? I know to disallow all pages I could add: User-agent: ia_archiver Disallow: / Can I tell the bot that I want them ...
6
votes
2answers
847 views

Apache: How can I force the browser to reload CSS files?

How to force the user's web browser to reload CSS files with Apache Server? I updated my website's CSS file but some users are still seeing problems that would be resolved if their browsers fetched ...
0
votes
0answers
145 views

Is there a way to make Alexa's ia_archiver slow down its crawling of my website?

Alexa's ia_archiver bot is the main contributor to the Internet Archive's "Wayback Machine" web collection, and there are advantages to having my website included in that collection. There are other ...