Apache

Everyone knows that RAM is so much faster than a hard disk. To illustrate, while a current SATA disk has peak transfer rates of 375 MB/s, current RAM can do a mind blowing 12,500 MB/s! Normally only the system itself makes use of this ultra fast storage, but we can also access this space directly. And that opens a great window of opportunity.

If you're running Squid to cache your website, you can use an htaccess file to control what kind of files should be cached, and for how long.

Let's say your site is becoming a big success and as a result it's becoming slower and slower. There are several things you can do without buying additional hardware:

Readable URLs are nice. A well made website will have a logical layout, with intelligent folder and file names, and as few technical details as possible. In the most well designed sites, readers can guess at filenames with a high level of success. Clean URLs are great because they:

I ran across php value, php flag, php admin value and php admin flag in a couple of .htaccess files, and I've used them sometimes as well by just pasting an example, but I've never really understood why there was such a great diversity. Couldn't php_setting X Y just handle it, and if not, what do the admin, value and flag attributes mean?