9. Don’t forget Your Sitemap file must be UTF-8. As with all XML files, any data values (including URLs) must use entity escape codes for the characters listed in the table below.
11. Letting Search Engines Know Robots.txt “Sitemap: http://www.news24.com/sitemapindex.xml” Ping the search engines… www.google.com/ping?sitemap=http%3A%2F%2Fwww.news24.com%2Fsitemapindex.xml (URL encode everything after the /ping?sitemap=) Google Webmaster Tools, Bing Webmaster Center, Yahoo! Site Explorer