What is the right way of letting Google's crawler know about new  Atom/RSS updates?The documentation about sitemap is clear about how to ping the crawler, but when it comes to  Atom/RSS, there is only a vague reference to PubSubHubbub in their docs here:In order for Google to not miss updates, the RSS/Atom feed should have  all updates in it since at least the last time Google downloaded it.  The best way to achieve this is by using PubSubHubbub. The hub will  propagate the content of your feed to all interested parties (RSS  readers, search engines, etc.) in the fastest and most efficient way  possible.How can I ping PubSubHubbub? Is sending post requests to https://pubsubhubbub.appspot.com the official way of letting Google know about these updates?
How to let Google's crawler know about new Atom/RSS updates?
seo;sitemap;googlebot;rss
The official way of letting Google know of your updates is your sitemap. Submitting your Google Site's sitemap to Google Webmaster ToolsOn your Webmaster Tools home page, select your site.In the left sidebar, click Site configuration and then Sitemaps.Click the Add/Test Sitemap button in the top right.Enter /system/feeds/sitemap into the text box that appears.Click Submit Sitemap.You will need to change system/feeds/sitemap to the URL for your RSS. You will not need to add the http://sitename.domain/Here's the link for Google Webmaster Tools:https://www.google.com/webmasters/tools/And for Bing and Yahoo:https://www.bing.com/webmaster/