The HeadCounters WordPress plugin adds a widget that displays how many visitors are on your site at that moment. Now Configurable!
Q: Are you sure this is totally, absolutely free? You never get something for nothing...
A: Yes, HeadCounters is totally, absolutely free to the end user. Share and enjoy!
Q: How does HeadCounters tell one visitor apart from another?
A: The HeadCounters application detects the number of visitors from unique IP addresses. This means multiple people from the same IP address (like on a shared internet connection} will be only counted as one visitor.
Q: Does HeadCounters display visitors by page or by site?
A: HeadCounters counts ALL your current visitors and displays the total number.