FWTLogstat1 is a free tool that that does a good work when counting visitors. Here is a sample: Ranking by users ---------------- Number of days : 17 Total users : 2940 Average users per day: 173.0 Users for each day 15-10-2009 20 16-10-2009 260 17-10-2009 220 18-10-2009 310 19-10-2009 320 20-10-2009 160 21-10-2009 110 22-10-2009 170 23-10-2009 170 24-10-2009 220 25-10-2009 280 26-10-2009 140 27-10-2009 130 28-10-2009 120 29-10-2009 130 30-10-2009 100 31-10-2009 80 Code (markup): It can also categorize the visitors according to the number of page hits: Ranking by hits --------------- Total users : 271 Total hits : 961 Average hits/user : 3.5 Hits per user 1) 53 hits: 1 users ( 0.4%) 2) 46 hits: 1 users ( 0.4%) 3) 41 hits: 1 users ( 0.4%) 4) 37 hits: 1 users ( 0.4%) 5) 23 hits: 1 users ( 0.4%) 6) 21 hits: 2 users ( 0.7%) 7) 18 hits: 2 users ( 0.7%) 8) 17 hits: 1 users ( 0.4%) 9) 16 hits: 1 users ( 0.4%) 10) 15 hits: 2 users ( 0.7%) 11) 14 hits: 1 users ( 0.4%) 12) 13 hits: 1 users ( 0.4%) 13) 12 hits: 2 users ( 0.7%) 14) 11 hits: 2 users ( 0.7%) 15) 10 hits: 1 users ( 0.4%) 16) 9 hits: 7 users ( 2.6%) 17) 8 hits: 4 users ( 1.5%) 18) 7 hits: 3 users ( 1.1%) 19) 6 hits: 6 users ( 2.2%) 20) 5 hits: 8 users ( 3.0%) 21) 4 hits: 13 users ( 4.8%) 22) 3 hits: 19 users ( 7.0%) 23) 2 hits: 45 users (16.6%) 24) 1 hits: 146 users (53.9%) Code (markup): and also tell you the number of visits made by the users. Ranking by visits ----------------- Total users : 271 Total visits : 294 Average visits/user : 1.08 Visits per user 1 visits: 263 users 2 visits: 6 users 3 visits: 0 users 4 visits: 0 users More than 4 visits: 2 users Code (markup):
Google Analytics is the popular one, from the drop-down at the right top of your website profile you will get the option to view your traffic on the required interval and from the left you can set the Visitors to view required data.