As we all know Drupal plays a big role in open source development and it is very important that Drupal site development should be search engine friendly. To make this we need to focus lots in on-page optimization for search engine readiness and the below list of tips will help you to develop search engine friendly site and spiders can crawl the site very easily without any limits (1) Rewrite CSS and reduce code size (2) Design layout using XHTMl and make it lighter better for SEO (3) Creating Clean URL's, optional using .htaccess (4) Enable Path module (5) Configure Meta tag Module (6) Remove content duplication by URL's with the help of robots.txt File (7) Enable XML sitemap (8) Add Custom breadcrumb Module (9) Enable related links (10) Global redirects Once the Drupal Search engine friendly setup is done following above tips you can start with keyword optimization and link promotion Hope you found post to be useful, you might also find below posts valuable ...