Here is a list of tools from iwebtool.com. We came across this site the other day and there are loads of nifty gadgets to make your life easier so being the conscientious site that we are we thought we’d post them up to make your lives easier. We’re nice like that you know 
For some of these tools you get limited to 5 requests an hour unless you buy a pro account but 5 should be plenty, right 
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Backlink Checker Find a list of backlinks linking to a specific website. |
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Cloaking Checker Cloaking Checker |
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Google Banned Checker Discover whether a website is banned on Google. |
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Google Datacentre Search Search keywords/phrase through different Google data centres. |
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Google PageRank Prediction Predict your future Google PageRank. |
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Index Checker Check for the total number of pages of a specific website which are present on search engines. |
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Keyword Density Checker Analyze a websites to view the optimum keyword distribution. |
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Keyword Suggestion Find related keywords matching your search. |
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Link Popularity Retrieve a number of backlinks of a specific website from search engines. |
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Multi-Rank Checker View multiple Google PageRank and Alexa Ranking in bulk. |
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PageRank Checker View Google PageRank on different Google servers. |
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Rank Checker Get an overview of a website’s ranking. |
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Search Engine Position Check your search engine positions on Google Search Engine. |
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Search Listings Preview Preview your website on Google, MSN and Yahoo! Search. |
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Spider View This tool enables you to view a perpective from a search engine spider. |
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URL Redirect Checker Check whether a redirect link is Search Engine Friendly. |
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Visual PageRank View the PageRank of links visually rather than in text. |