- https://useme.org/
- https://www.masspinger.org/
- https://pingomatic.com/
- http://www.pingfarm.com/
- http://www.blo.gs/ping.php
- http://www.indexkings.com/
- https://www.mypagerank.net/
- https://smallseotools.com/online-ping-website-tool/
- https://www.prepostseo.com/ping-multiple-urls-online
- https://www.duplichecker.com/search-engine-pinging-website-tool.php
