Until now, detail pages have always been listed in the automatically generated “sitemap.xml” file for search engines, even if they contain no content. This allows these pages to be found by search engines such as Google and indexed as empty pages.
However, OpenCms can now be configured so that only the detail content is listed in the “sitemap.xml” file, rather than the detail pages themselves.
In addition, the Mercury template sets a meta tag in empty detail pages to instruct search engines not to index these pages:
<meta name="robots" content="noindex,follow">