he top 4 search engines now support Sitemaps auto submission
In November 2006, Google, Yahoo and Microsoft agreed to support the Sitemap protocol. The Sitemap protocol is a standard that can help you to submit all of your web pages to search engines.
Last week, Ask.com joined the team so that now all four major search engines support the Sitemap protocol. In addition, search engines can now automatically detect your Sitemaps file.
Control the level of spidering, searching and indexing a search engine can do on your pages through a set of rules as defined by a Robots file or Robots META Tag. Let our Robots tool take the hassle out of creating robot rules through this easy to use wizard.
A robots.txt file is a short text file that resides in your home directory. Before search engines spider your site, they look into this file to see which files/file types and/or directories they are not allowed to see. This tool will make your robots.txt file.
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This robots.txt syntax checker checks the contents of a site's robots.txt against that contained in the latest specification, along with providing warnings on the use of new features that are not yet widely deployed.