Sitemeter is a fair web analytics tool. Not as cool as Google Analytics, but it does provide things like public statistics where users can see the number of visitors for your website. They actually started as a web counter, migrating towards a web analytics tool afterwards.
If you wish to track number of visitors for your website and make it public, as well as use other services of SiteMeter (keep in mind this is not a review of SiteMeter), here's what you have to do.
You can check how SiteMeter logo looks on this page by scrolling down.