Autopinger is described as 'free service to help you ping your blogs and podcasts to most available blog/podcast search engines and aggregators remotely and automatically'. There are five alternatives to Autopinger, not only websites but also apps for Self-Hosted solutions and Wordpress. The best alternative is WordPress Ping Optimizer, which is both free and Open Source. Other great sites and apps similar to Autopinger are Ping-O-Matic (Free), TotalPing! (Free), pingoat (Free) and Ping.in (Free).
Do you know your WordPress blog pings unnecessarily every time you edit a post? Think how many times you click on “Save and Continue Editing” or “Save” button. Your blog will ping unnecessarily that many times you click on those buttons.
Blog ping service that pings or notifies Weblog Services such as Blog Search Engines and blog directories that your blog has been updated. Thus enabling them to index your blog fast and make your content available for a larger audience.