There is absolutely no point in building an internet site unless there are visitors to arrive. A major source of traffic for some sites on the Internet is search engines like Google, Yahoo!, MSN, Altavista and so on. Hence, by designing a search engine friendly site, you'll be able to rank easily browsing engines and obtain more visitors.
Major search engines use programs called crawlers or robots to index websites to list on their search result pages. They follow links to a page, reads this content of the page and record it in their own database, pulling up the listing as people seek out it.
If you want to make your website indexed easily, you should stay away from frames on your website. Frames will only confuse search engine robots and they might even abandon your internet site because of that. Moreover, frames make it difficult for users to bookmark a specific page on your site without using long, complicated scripts.
Do not present important information in Flash movies or in images. Internet search engine robots can only read text on your source code if you present important words in Flash movies and pictures rather than textual form, your search engine ranking will be affected dramatically.
Use meta tags accordingly on each and every page of your site so that internet search engine robots know at first glance what that particular page is about and whether or not to index it. By using meta tags, you are making the internet search engine robot's job easier so they will crawl and index your site more frequently.
Stop using wrong HTML tags like <font> to create your page. Use CSS (Cascading Style Sheets) instead because they are more effective and efficient. By using CSS, you can eradicate redundant HTML tags and make your pages much lighter and faster to load.