If you have a dynamic site that is developed in PHP, .net or Java or any other server script, and you have difficulties in SEO of the site, Please follow the tips as follows. This will help in Onsite SEO of your site. #1: URL Rewriting: A URL plays very important role in onsite optimization. Majority of programmers don’t care about their dynamic URLs that include bund of variables and long query string, something like website.com/page1.asp?parameter=12¶meter2=22…..Here the problem is this kind of URL can kill your onsite optimization efforts, crawler do not understand such meaningless URLs. So ask your website developer to use human readable and meaningful URLs like website.com/categoryname-productname.html, this technique is called URL rewriting which can be done through .htaccess file in Linux based servers or using IIS features in windows server. Various URL rewriting scripts are also available on internet. An SEO company can suggest you on keywords to be used in URL building. #2 : Dynamic Title, Keyword and Description in Meta : On dynamic sites, the data is generated on user requests, so as we webmaster you will never know what page is being used by users and what was crawled by the crawler. So crawler goes back with irrelevant title and Meta information. This will result in no keyword ranking on major search engines. Feed a meaningful data to crawler. Develop your pages such a way that keywords and description are meaningfully placed on each individual page. You can create a pool of good keywords related to each category and product. Fill your database with it. Then whenever a page is displayed on screen from such category, you should pull the keywords & description programmatic ally from database which is related to that category and fill title and Meta information on page. This way each time a category page or product is displayed, the title and Meta information is meaningful. Here you can get help from your SEO Company who can suggest the pool of keywords and write Meta information for your pages. I hope it helps