Just a toolbar button that shows if a server is up or not.
What is ping?
Ping is a Firefox add-on that allows you to check the status of a server by sending an HTTP request. With a simple toolbar button, you can quickly determine if a server is up or down. Stay informed about the availability of your favorite websites or online services.
A firefox addon that pings (over http) a server you configure, and shows an icon for up status, and a different icon for down status.
ping is risky to use as it requires a number of sensitive permissions that can potentially harm your browser and steal your data. Exercise caution when installing this add-on. Review carefully before installing. We recommend that you only install ping if you trust the publisher.
ping has earned a fairly good reputation and likely can be trusted.