First off what is spider friendly navigation? Basically it is how easily search engines can read your website. This ultimately depends on the search engine that is reading your site. Some have the patience to dig deep into your site and promise to follow every link. Others may get bored before they finish indexing a whole page. Carefully organize your page content and Web site to ensure that spiders index the whole thing - not just bits and pieces. Here are some tips that will help you to do this: Use Keywords/phrases that best describe the target page. Avoid using image maps, if needed make sure to add text links at the bottom of all pages. Do not use long text; limit 40-50 characters in a text link Avoid using JavaScript links Create text links and use a common navigational menu for all pages For best results try to limit the number of links per page to 20. (Only a recommendation) Include a site map if you have more than 20 pages. If you are using flash navigation, always have text links as a supplement to the flash Try to use keyword phrases in the HTML and image file names Keep your file names hyphenated (e.g. use this-page.html instead of thispage.html) General Tips and Tricks Make sure your website is completely finished, spell checked, online and all links are working before submitting to Search Engines'. Try to include .robots.txt. to prevent spiders from crawling certain directories. (For more info, visit www.robotstxt.org) If the site was designed in something other than HTML, make sure there is some static content for the spider to read. Try and get on DMOZ if you are not already there. Read each search engines. guidelines and follow them closely. Use meta tags in all places For getting proper keywords that are commonly used visit: a) http://www.wordtracker.com b) http://inventory.goto.com/searchinventory/suggestion/ c) https://adwords.google.com/select/m...=KeywordSandbox For checking keyword density use the following sites: a) http://www.keyworddensity.com/ b) http://www.ranks.nl When using frames, make sure to include keyword rich content between the <noframe> </noframe> tags, on the main frameset page. Keep all content in root directory if possible. Make sure your home page can load within 8-10 seconds on a 56k modem Try to use CSS data as an external file and call it using <link> tag Optimize your images and keep the page size low Update your more important pages at a regular interval Check your site for broken links periodically Things to Avoid Here are some things to avoid when creating your website: Avoid strange color combinations, as this can make it hard to read for a viewer Text that is too small to read will also cause the reader to leave Unrelated Advertisements will distract viewers Hidden text, which is text the same color as the background Submitting your site to FFA sites Duplicate pages, doorway pages and cloaked pages Re-direction from the homepage to another Automated submission to search engines Submitting to search engines more than once a month Use of <meta refresh> tag in HTML page header Using trademarks or company names other than yours in Meta tags. Instance of 5 or 6 keywords being repeated in one row