Mirroring the W3C Web Site

In order to promote efficient access to W3C content the W3C Webmaster Team has deployed mirrors on several continents: North America, Asia, Europe, Africa. Presently all mirrors are under the control of the W3C. If you believe a geographic region could be better served by an additional mirror, or you would like to volunteer to administer such a mirror you must contact the W3C Webmaster Team for the following reasons.

• Mirroring the W3C Site with tools such as wget is inadequate: documents are constantly changing and that would mean that the mirror would constantly be out-of-date.
• Changes on the site should appear on all the mirrors at the same time. This can only be guaranteed with a particular setup described in the Mirroring Activity Public Home Page.
• The W3C must ensure that content is up to date and served in accordance with W3C trademark, copyright, privacy, and administrative policies. Furthermore, the W3C will clearly define the responsibilities and liabilities associated with those policies -- and their abuse. As an example, sites that don't abide by our privacy policies may be subject to civil or even criminal prosecution in some jurisdictions.
• We will be happy to provide you documentation or assistance in deploying the mirror.

Caching of W3C materials

Caching of W3C materials should comply with the "maximum time to live" information provided with the materials. After such materials have expired they should not be served from shared caches without first validating the contents of the W3C Site.

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