Reddit mentions of .htaccess Handbook

here is my recommendation on how to learn technical SEO (assuming you already mastered using a computer)

• Start by learning basic HTML, CSS and Javascript. I'd also recommend codecademy for this. Build a basic website with a few features. Focus learning on responsive web development.
  
  
• Once you've gained an intermediate familiarity with all 3 of those, I'd recommend learning another advanced language. PHP / Python come to mind right away but you can get away with learning just bash.
  
  
• Study databases and pick one to learn such as SQL / MySQL
  
  
• Install a Linux server from top to bottom on a local machine, and learn enough Linux to make programs, edit server configuration files, optimize servers, local and remote filesystems, ssh, etc. Focus on Apache (web servers), response codes, optimization, etc.
  
  
• check out the book .htaccess made easy on Amazon.
  
  
• Learn about DNS / Bind - also practice by learning dig, nslookup, purchase a domain name, edit and fwd nameservers, etc.
  
  
• Start studying the principles of UX (user experience) and check out Don't Make Me Think, Revisited: A Common Sense Approach to Web Usability.
  
  
• Fully digest Google's webmaster guidelines, and Bing's while you are at it.
  
  
• Learn to use and administer an eCommerce and CMS framework. My suggestion is WordPress and Magento.
  
  
• Read my complete guide to on-page SEO.
  
  
• Pick an analytics platform (I use Piwik) but the popular choice is Google Analytics.
  
  
• Learn the basics of regex to make your life easier.