CacheFile.net is an HTTP web server that contains common Internet resources that are frequently reused on other web sites. It exists to alleviate the need for a common root URL for web resources that are otherwise not directly linkable at their primary URLs.
For example, popular Javascript libraries may have a direct download link for a specific version of their script files, but may discourage the direct linking of these files on their site. People are instead encouraged to download the scripts and manage them on their own servers. But the problem with each web site retaining its own copy of the same resources is that web users must re-download them all over again as they navigate from site to site. Over browsing five different dojo-driven web sites using the same version of dojo, there may be five different copies of the script being seperately downloaded.
If all web sites used a common URI for each frequently used web resource, the user's browser would only download that resource once, until the user's cache is either cleared or expired.
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