Adsense Calculator Google AdSense affiliates can use this calculator to gain a better understanding of what affects their earnings by experimenting with values. AdSense Preview This preview utility will give you a sense of which ads would be placed on a given page. Advanced Meta Tag Generator This tool helps you to add meta tags to your site. Alexa Rank Comparison Tool The Alexa Traffic History Graph allows you to create a traffic history graph for any site. Check Server Headers Check your server to make sure the proper HTTP Status Codes (200, 301, 302, 304, 307, 404, 410) are being returned in the server headers. Class C Checker This Class C Checker tool allows you to find out whether some sites are hosted on the same Class C IP Range. Code to Text Ratio This tool will help you discover the percentage of text in a web page (as compared to the combined text and code). CPM Calculator This calculator measures the ROI (return on investment) of the CPM (cost per thousand) impressions advertising model. Domain Age Check Use this tool to find the age of a domain. Domain Typo Generator Enter a domain name into the box, and this tool will generate a list of suggestions of likely human misspellings and typos for the given domain. Future PageRank This tool will query Google's various data centers to check for any changes in PageRank values for a given URL. Google Dance This tool will query Google's three main web servers, showing the different statuses during updates. Watch Google Dance. Google Keyword Suggestions The keyword suggestion tool for Google will help you choose relevant and popular terms related to your selected key term. Google Search for Multiple Datacenter This tool searches your keyword/phrase in different Google data centers. Google Suggest Scraper Shows frequently search for phrases starting with the words and letters in your query. Google vs Yahoo This tool will run a search query in Google and Yahoo search engines and then graphically compare the results. Indexed Pages This tool will return the total link count for each URL from major search engines (Google, Yahoo, MSN, Alta Vista, and AlltheWeb). Keyword Cloud This tool provides a visual representation of keywords used on a website. Keyword Density This tool will analyze your chosen URL, and return a table of keyword density values for one-, two-, or three-word key terms. Keyword Difficulty Check Use the Keyword Difficulty Check Tool to see how difficult it would be to rank for specific keywords or keyword phrases. Keyword Optimizer Enter a list of keywords and this tool will remove any duplicate entries and re-order the list alphabetically. Keyword Position Check for Multiple Datacenter This tool will help you to find the position of your site in Google for a specific keyword/phrase. Keyword Typo Generator Enter a keyword or key term into the box above and this tool will generate a list of suggestions for likely human misspellings and typos. Link Popularity Enter a valid URL, and this tool will query all the major search engines (Google, Yahoo, MSN, and Teoma) and then return that URL's total link count for each one. Link Price Calculator This tool can help you determine the approximate amount you should be paying per month for a text link. Meta Analyzer This tool will analyze a website's meta tags. Analyzing a competitor's keyword and description meta values is a good way to find ideas for key terms and more effective copy for your site. Meta Tag Generator If you're new to web development and search engine optimization, you may find this tool useful to ensure that your meta tags are correctly formed. Multiple Datacenter Link Popularity Check This tool will give a back link count for a URL from multiple Google data centers. Page Comparison Compares the page titles, meta information, and common phrases occurring on different pages. Page Size This tool will help you to determine HTML web page size. PageRank Lookup This tool streamlines the process of checking PageRank for your sites. Enter a list of URLs and it will return the PageRank value for each one. PageRank Search Enter your Google search here, and our tool will search Google and display the PageRank next to each resulting answer. Robots.txt Generator Use this tool to generate a simple robots.txt file for your website, which allows you to hide files or directories that you don’t wish to be spidered. ROI Calculator This calculator measures the ROI (return on investment) of a CPC (cost per click) campaign. Search Engine Comparison This tool allows you to perform your own comparisons, and displays the results visually, making it easy to see both the rankings and comparative positions of pages in search engine results. Search Engine Keyword Position This tool checks the search engine result pages of Google, Yahoo, and MSN to see what position your site holds for a particular keyword phrase. Site Link Analyzer This tool will analyze a given web