top free ping websites 
top free ping submission websites along with a short note and their web addresses:
Pingomatic (http://pingomatic.com/): Pingomatic is a popular ping submission service that allows you to notify multiple search engines and blog directories about your website updates.
PingMyLinks (https://www.pingmylinks.com): PingMyLinks is a comprehensive ping service that helps you notify search engines, blog directories, and social networks about your website updates, ensuring faster indexing.
Ping Feedburner (http://ping.feedburner.com): Feedburner is a service by Google that enables you to submit your blog or RSS feed for pinging, notifying various web services about new content updates.
PingMyBlog (http://pingmyblog.com/): PingMyBlog is a simple ping submission service that helps you notify search engines and blog directories about your website updates.
BacklinkPing (http://www.backlinkping.com): BacklinkPing is a ping submission service that allows you to notify search engines and directories about your website or blog updates, potentially improving your search engine visibility.
TotalPing (http://totalping.com): TotalPing is a comprehensive ping service that notifies search engines and blog directories about your website updates, helping improve your website's visibility and indexing.
Ping Sitemap (http://pingsitemap.com): Ping Sitemap is a ping submission service that focuses on notifying search engines about updates to your website's sitemap, ensuring that your content is indexed quickly.
Pingler (https://pingler.com/): Pingler is a popular ping submission service that allows you to notify search engines and blog directories about your website updates, ensuring faster indexing.
PingFarm (http://www.pingfarm.com/): PingFarm is a free ping service that allows you to notify search engines and blog directories about your website updates, helping improve your website's visibility.
IndexKings (http://indexkings.com/): IndexKings is a fast and efficient ping submission service that helps you notify various search engines, blog directories, and website statistics services about your website updates.
MyPageRank (http://mypagerank.net/): MyPageRank provides a ping service that allows you to notify search engines and blog directories about updates to your website, potentially improving your search engine ranking.
Twingly (https://ping.twingly.com/): Twingly is a ping service that focuses on notifying blog search engines and directories about updates to your blog, increasing your chances of being discovered by a wider audience.
Ping.in (https://ping.in/): Ping.in is a simple and efficient ping submission service that helps you notify search engines and blog directories about your website updates.
PingOat (http://pingoat.net/): PingOat is a ping submission service that allows you to notify search engines and blog directories about updates to your website, helping improve your website's visibility.
Pingates (http://pingates.com/): Pingates is a comprehensive ping service that helps you notify search engines, blog directories, and news aggregators about your website updates, ensuring faster indexing.
AddURL (http://www.addurl.nu/): AddURL is a submission service that helps you notify search engines and blog directories about your website updates, increasing your chances of being indexed quickly.
MassPing (https://massping.org/): MassPing is a bulk ping submission service that allows you to notify multiple search engines and blog directories about your website updates simultaneously.
PingBomb (https://pingbomb.com/): PingBomb is a ping submission service that helps you notify search engines and blog directories about updates to your website, potentially improving your search engine visibility.
FreeWebSubmission (https://www.freewebsubmission.com/): FreeWebSubmission is a comprehensive submission service that allows you to submit your website to search engines, directories, and other online platforms, increasing your website's visibility.
SubmitX (https://submitx.com/): SubmitX is a free submission service that allows you to submit your website to search engines and directories, helping improve your website's visibility and indexing.
feedburner.com: Feedburner is a popular service that allows you to manage and optimize RSS feeds for your blog or website.
ping.feedburner.com: Ping.Feedburner.com is a specific endpoint provided by Feedburner for ping submission, notifying various web services about new content updates.
blogs.yandex.ru: Yandex Blogs is a platform where users can create and manage their own blogs, and it offers a ping service to notify search engines and directories about updates.
bitacoras.com: Bitacoras.com is a Spanish-language blog directory and community where users can discover and share blog posts. It provides a ping service for notifying about new content.
blogsearch.google.com/ping: Google Blog Search is a search engine specifically for blogs. The ping endpoint allows you to notify Google about new or updated content on your blog.
blogsearch.google.com: Google Blog Search is a search engine dedicated to finding blog posts. While it doesn't have a specific ping service, it automatically discovers and indexes new content.
ping.bitacoras.com: Bitacoras.com offers a ping service for notifying search engines and blog directories about new or updated content on your blog.
icerocket.com: IceRocket is a blog search engine and social media monitoring tool. It provides a ping service for notifying about new blog posts.
weblogs.com: Weblogs.com is a website that provides a ping service for notifying blog directories and search engines about updates to your blog.
rpc.weblogs.com: Rpc.weblogs.com is an XML-RPC endpoint provided by Weblogs.com for ping submission.
moreover.com: Moreover Technologies is a news aggregation and syndication service. It offers a ping service for notifying about updates to your blog or website.
api.moreover.com/RPC2: Api.moreover.com/RPC2 is an XML-RPC endpoint provided by Moreover Technologies for ping submission.
api.moreover.com/ping: Api.moreover.com/ping is a specific endpoint provided by Moreover Technologies for ping submission.
twingly.com: Twingly is a blog search engine and ping service that notifies blog directories and search engines about updates to your blog.
feedster.com: Feedster was a popular blog search engine. While it is no longer active, it used to offer a ping service for notifying about new blog posts.
twingly.com/ping: Twingly provides a specific ping endpoint for notifying blog directories and search engines about updates to your blog.
api.feedster.com/ping: Api.feedster.com/ping is a specific endpoint provided by Feedster for ping submission.
pingomatic.com: Pingomatic is a popular ping submission service that allows you to notify multiple search engines and blog directories about your website updates.
blogdigger.com: Blogdigger is a blog search engine and directory. It provides a ping service for notifying about updates to your blog.
blogdigger.com/RPC2: Blogdigger provides an XML-RPC endpoint for ping submission.
blogg.de: Blogg.de is a German-language blog directory and community. It offers a ping service for notifying about updates to your blog.
xmlrpc.blogg.de: Xmlrpc.blogg.de is an XML-RPC endpoint provided by Blogg.de for ping submission.
blogshares.com/rpc.php: Blogshares.com is a website focused on virtual trading of blog shares. It provides an XML-RPC endpoint for ping submission.
mypagerank.net: MyPageRank.net is a website that provides information about website rankings and statistics. It also offers a ping service for notifying about updates.
blo.gs: Blo.gs is a blog directory and ping service. It allows you to notify about updates to your blog and helps track changes in blogrolls.
ping.blo.gs: Ping.blo.gs is a specific endpoint provided by Blo.gs for ping submission.
mypagerank.net/: MyPageRank.net offers a ping service through its website for notifying about updates to your blog.
pingler.com: Pingler is a popular ping submission service that allows you to notify search engines and blog directories about your website updates.
pingmyurl.com: PingMyUrl.com is a ping service that allows you to notify search engines and blog directories about your website updates.
coreblog.org: Coreblog.org is a blog search engine and directory. It offers a ping service for notifying about updates to your blog.
geourl.org/ping: Geourl.org provides a ping service for notifying search engines and directories about updates to your blog or website.
coreblog.org/ping: Coreblog.org provides a specific ping endpoint for notifying about updates to your blog.
totalping.com: TotalPing is a comprehensive ping service that notifies search engines and blog directories about your website updates, helping improve your website's visibility and indexing.
weblogalot.com/ping: Weblogalot.com is a blog search engine and directory. It offers a ping service for notifying about updates to your blog.
brainbliss.com: Brainbliss.com offers various online tools and services, including a ping service for notifying search engines and directories about updates to your blog.
feedshark.brainbliss.com: Feedshark.brainbliss.com is a specific endpoint provided by Brainbliss.com for ping submission.
bulkfeeds.net/rpc: Bulkfeeds.net is a blog and RSS feed aggregation service. It provides an XML-RPC endpoint for ping submission.
addurl.nu: AddURL.nu is a submission service that helps you notify search engines and blog directories about your website updates, increasing your chances of being indexed quickly.
bulkping.com: BulkPing.com is a bulk ping submission service that allows you to notify multiple search engines and blog directories about your website updates simultaneously.
pingfarm.com: PingFarm is a free ping service that allows you to notify search engines and blog directories about your website updates, helping improve your website's visibility.
autopinger.com: Autopinger.com is a ping service that automatically pings search engines and blog directories about updates to your blog.
blogsnow.com: Blogsnow.com is a blog search engine that provides real-time search results. While it no longer offers a ping service, it used to provide one for notifying about updates.
blogsnow.com/ping: Blogsnow.com/ping was a specific endpoint provided by Blogsnow.com for ping submission.
auto-ping.com: Auto-Ping.com is a ping submission service that allows you to notify search engines and blog directories about your website updates automatically.
indexkings.com: IndexKings is a fast and efficient ping submission service that helps you notify various search engines, blog directories, and website statistics services about your website updates.
allpodcasts.com: AllPodcasts.com is a directory of podcasts. It offers a ping service for notifying about updates to your podcast.
googleping.com: GooglePing.com is a ping service specifically designed for notifying Google about updates to your blog or website.
pingoat.net: PingOat.net is a ping submission service that allows you to notify search engines and blog directories about updates to your website, helping improve your website's visibility.
blogmatcher.com/u.php: BlogMatcher.com is a blog search engine and directory. While it no longer offers a ping service, it used to provide one for notifying about updates.
pingsitemap.com: PingSitemap.com is a ping service that allows you to notify search engines and blog directories about updates to your website, including sitemap updates.
ping.amagle.com: Ping.Amagle.com is a ping submission service that helps you notify search engines and blog directories about your website updates, assisting in improving your website's visibility.
weblogues.com/RPC: Weblogues.com provides an XML-RPC endpoint for ping submission, allowing you to notify about updates to your blog.
ping.in: Ping.in is a ping submission service that allows you to notify search engines and blog directories about your website updates, improving your website's visibility and indexing.
pingmyblog.com: PingMyBlog.com is a ping submission service that helps you notify search engines and blog directories about updates to your website, increasing your website's visibility.
blogbuzzer.com: BlogBuzzer.com is a ping service that allows you to notify search engines and blog directories about updates to your blog or website.
pingerati.net: Pingerati.net is a ping aggregation service that collects and distributes pings from various blogs, notifying search engines and blog directories about updates.
pingates.com: Pingates.com is a ping service that allows you to notify search engines and blog directories about updates to your website, helping improve your website's visibility.
pingbomb.com: PingBomb.com is a ping submission service that enables you to notify search engines and blog directories about your website updates, assisting in improving your website's visibility and indexing.
pingmylink.com: PingMyLink.com is a ping service that allows you to notify search engines and blog directories about updates to your website, helping improve your website's visibility.
blogpingtool.com: BlogPingTool.com is a ping submission service that enables you to notify search engines and blog directories about your website updates, helping improve your website's visibility and indexing.
ipings.com: iPings.com is a ping service that allows you to notify search engines and blog directories about updates to your website, assisting in improving your website's visibility.
pingmylinks.com: PingMyLinks.com is a ping submission service that helps you notify search engines and blog directories about updates to your website, improving your website's visibility and indexing.
nimtools.com: NimTools.com is a collection of online tools, including a ping service that allows you to notify search engines and blog directories about updates to your website.
feedsubmitter.com: FeedSubmitter.com is a ping service that allows you to notify search engines and blog directories about updates to your RSS feeds and podcasts.
backlinkping.com: BacklinkPing.com is a ping service that allows you to notify search engines and blog directories about updates to your website, particularly focused on backlinks.
Twingly: Twingly is a blog search engine and ping service that allows you to notify blog directories and search engines about updates to your blog, helping improve your blog's visibility.
Googleping: Googleping is a ping service specifically designed for notifying Google about updates to your blog or website, assisting in faster indexing.
Pingler: Pingler is a popular ping submission service that allows you to notify search engines and blog directories about your website updates, helping improve your website's visibility.
Pingdom: Pingdom is a website monitoring service that checks the availability and performance of websites. It doesn't provide a ping submission service.
Pingmyurl: Pingmyurl is a ping service that allows you to notify search engines and blog directories about updates to your website, assisting in improving your website's visibility.
http://pingomatic.com
http://pingler.com
http://indexkings.com
http://totalping.com
http://pingfarm.com
http://pingmyurl.com
http://addurl.nu/
http://googleping.com
http://pingsitemap.com
http://pingbomb.com
http://mypagerank.net
http://twingly.com/ping
http://ping.in
http://coreblog.org/ping
http://feedshark.brainbliss.com
http://pingoat.net
http://backlinkping.com
http://nimtools.com/online-ping-website-tool
http://blo.gs/ping.php
http://blogbuzzer.com
http://weblogs.com
http://pingmyblog.com
http://bulkping.com
http://auto-ping.com
http://rpc.weblogs.com
http://autopinger.com
http://icerocket.com
http://blogsnow.com/ping
http://weblogalot.com/ping
http://bulkfeeds.net/rpc
http://ipings.com
http://feedsubmitter.com
http://pingerati.net
http://pingmylink.com
http://syncr.com
http://blogpingtool.com
http://blogmatcher.com
http://pinggator.com
http://geourl.org/ping
http://pingates.com
Please note that while ping submission can be useful in some cases, search engines nowadays are capable of discovering and indexing new content on their own. It's important to focus on creating high-quality, relevant content and utilizing other SEO strategies to improve your website's visibility in search engine results.