That was almost the original intent behind sitemap.xml, (http://sitemaps.org http://sitemaps.org). Except of course, that they were being used erroneously and c

That was almost the original intent behind sitemap.xml, (http://sitemaps.org http://sitemaps.org). Except of course, that they were being used erroneously and changes published when no content was changed, and so the spiders stopped using them as canon.