its benefitial for the websites and SEO. Google know about the updates on the site due to the ping. The main goal is to increase the probability of your website getting index by bing , Google and the likes.
Kelly Burby! First thanks so much... Second, I just want to get a clear conception about this brief
"Using the Ping services is a way for you to inform the search engines to Index your newly added or updated Blog post pages into their database.
As a result of all this search engines are able to count your blog back-links quickly, which in turn is useful to your site ranking; besides Ping is also helpful to your blog SEO. Pinging sites are used to complete your blog indexing process quickly."