Frequency of Visits
If you have not set a crawl-delay in your robots.txt file, then the default frequency of visits from our indexing bots is 1 page every 1 minute.
If you have set a crawl-delay in your robots.txt file, then the frequency of visits from our indexing bots is 1 page per your crawl-delay settings.
Pages that have already been indexed: Updated a minimum of every 90 days, except if you are using the lastmod tag, then pages in your website are re-indexed based on when the lastmod date changes.
Pages that have been tagged as noindex: Updated a minimum of every 180 days. These pages are deemed to be low priorty.
Pages that have been tagged as having a canonical link not pointing to itself: Updated a minimum of every 180 days. These pages are deemed to be low priorty.
Home page: Updated every 14 days.
Robots.txt: Updated every 7 days.
Sitemaps: Updated every 30 days, except if you are using the lastmod tag, then your sitemaps files are re-processed based on when the lastmod date changes.