Search Engines: Keyword Density This tool determines how often keywords appear on your website. Keyword Suggestion Find related keywords matching your website's content. Link Popularity Check your link's popularity on Google, MSN and Yahoo. Search Engine Position Check your ranking on Google, MSN and Yahoo in Search Engine Result Pages (SERPS). Multiple Domain Position Analyze keywords on search engines for multiple domains. Multiple Keyword Domain Position Check the position for keywords in search engines on multiple domains. Search Engine Spider View View how search engine spiders see your website. Search Engine Saturation Check the saturation of a website on multiple search engines. Other Tools: Page Rank Detection Looks up a domain's PageRank and determines whether it is valid or fake. Reciprocal Link Check Check for reciprocal links. This tool allows you to see if the website's you are linking to are linking back to you as well. Multi-Rank Checker Check a domain's PageRank and Alexa Ranking. This tool can query up to ten domains at once. View HTTP Headers Extract the HTTP Headers of a web page.