Faster POST and GET Form Submissions… Shazam
Just a very brief look at speeding up form submission by delegating the processing and bandwidth to your server, not your client.
Blocking Bad Bots and Scrapers with .htaccess
Want to block a bad robot or web scraper using .htaccess files? Here are 2 methods that illustrate blocking 436 various user-agents.
Fight Blog Spam with Apache
Fighting Blog Spam with Apache htaccess and other methods.
Fsockopen Magic
PHP's fsockopen function lets you open an Internet or Unix domain socket connection for connecting to a resource, and is one of the most powerful functions available in the php language.
HTTP Status Codes
This is a big update from the last time I looked into this, when I enumerated 57 Status Codes that Apache 2.x was capable of handling. This list contains 83 Status Codes recognized by Apache. I compiled the latest 2.4.4 Apache in order to view the actual codes sent by a live server.. very cool. You can read about the newest HTTP Status Codes in RFC 6585.