Did you really mean www.port80software.com/products but you just forgot the 's'? Now it doesn't matter. With URLSpellCheck for IIS you can fix small typos such as missing characters, transposed characters, wrong characters, and extra characters very easily and redirect users to the correct URL automatically avoid annoying 404 pages. Complex matches that substitute file names such as filename.htm to filename.asp are also possible with URLSpellCheck allowing developers to switch site technologies quickly without manual redirects all over the place. When multiple matches for a URL are possible, a template showing users the various probably pages is provided rather than a standard 404 page. You can even map filenames without extensions to their correct pages allowing you to present very clean and easy to remember deep URLs in your marketing literature. URLSpellCheck can also track common typos so you can figure out where to add permanent redirects or change page names in your site. Best of all URLSpellCheck doesn't require major configuration or monitoring. A simple two minute installation and configuration and you've improved your site with a better customer experience.