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Summary
Building a site is only half the battle; keeping it working and up-to-date requires constant vigilance. Web developers should make sure their markup supports maintenance activities by using the <meta> tag properly and being aware of link usage. However, the maintenance requirements of a site will far exceed correct use of XHTML. Monitoring the server, upgrading software, adding content, and analyzing log files can require significant time. In fact, for most sites, maintenance duties may have to be shared among many individuals. As we conclude the book, we turn to the future of markup-XML.
