Search Engine Optimisation refers to the process of optimising a Web site so that it appears prominently in search engine results for specific keywords.

Server-side code is executed on the web server with the finished result usually sent to the end user. Server-side code is commonly written in PHP, ASP, JSP, Cold Fusion, or Perl.

Server Side Include - a file spliced into a Web document on the Web server. May be performed by the Web server itself, or commonly by a server side script such as Perl, ASP, ColdFusion or PHP.