TSW lets your users know how much traffic you have on your blog. It counts pages visited, hits and unique IPs on your blog and shows it in a widget. I
TSW shows the number of visitors / hits / unique IPs in the past 24 hours, 7 days and 30 days. It also shows the number of users currently online.
It provides a robots filter, but the automatic traffic could also be considered.
Traffic Stats Widget offers language support and automatic log deletion.