Related PageRank ToolsnnBacklink Checker - counts up the PageRank of all your backlinks. You have to enter your URL and the Google API Key to be able to use this. Go get one API Key at http://www.google.com/apis for free if you don't have.nnGoogle PageRank Calculator - provides the number of incoming links for each URL you gave that links to the main page to get the PageRank estimation.nnGoogle PageRank Prediction - makes an effort to know the future Google PageRank of a specific website. Several calculations are made to come up with the figures.nnGoogle PageRank Report - displays the Google PageRank of many URLs in one strike.nnMulti DataCenter PageRank Checker - through submitting a query to multiple Google DataCenters, any alterations in PageRank values of a website are checked.nnPageRank Lookup - checks the Google PageRank values of several URLs at once that results to saving a lot of time.nnPageRank Search - is used to search Google with any keywords you want. The search engine results are showed according to relevance with PageRank values in a graphical bar.nnCode Validation ToolsnnAtom and RSS Feed Validator - the tool used to validate syndicated feeds. RSS 0.90, 0.91, 0.93, 0.94, 1.0, 1.1 and 2.0 are compatible with the tool. It can also validate Atom feeds. RSS is weakly implemented by several tools in spite of its practically simple nature. The aim of the validator is to let you know if the RSS is correctly produced or not through translating the text into code. It also supports the IETF standard Atom format for syndicated feeds.nnW3C Markup Validation Service - is a validator that checks the validity of the markup used in the web documents with HTML, XHTML, SMIL and MathML extensions. If you want to validate your CSS, there is available validator for it which is called W3C CSS Validation Service.nnSince popular search engines index clean-coded websites immediately, PageRank and code validation tool are also important when it comes to search engine optimization. nnThere's a great tendency of being unbanned by the search engines. Hand-coded website and guaranteed SEO service surely is the key to success.