Internet - Browsers

robotstxt analytics tool 1.0

This robots.txt analysis tool can easily verify the content of "robots.txt" of an arbitrary web server (file that specifies behavior on the server for the robot of the search engine etc.) from online.

robot simulator 1.0

This search engine robot simulator is a free tool that can see the Web page in the aspect of the search engine robot.

Header information tool 1.0

I think that you can check the source code and redirecting with this tool.

PageRank check tool 1.0

PageRank can be examined even if there is no toolbar. Page rank is understood only from putting URL of the site that wants to search and pushing the button.