| Used Operating Systems |
| 1 | 4361 | 25.41 | 1795 | 55.76 | Windows NT |
| 2 | 3984 | 23.22 | 4 | 0.12 | http://www.nerdbynature.net/bot |
| 3 | 3330 | 19.41 | 407 | 12.64 | +http://www.bing.com/bingbot.htm |
| 4 | 2741 | 15.97 | 322 | 10.00 | ezooms.bot@gmail.com |
| 5 | 662 | 3.86 | 2 | 0.06 | http://crawler.sistrix.net/ |
| 6 | 502 | 2.93 | 156 | 4.85 | +http://yandex.com/bots |
| 7 | 490 | 2.86 | 169 | 5.25 | +http://www.google.com/bot.html |
| 8 | 250 | 1.46 | 1 | 0.03 | +http://www.warebay.com/bot.html |
| 9 | 230 | 1.34 | 144 | 4.47 | +http://www.baidu.com/search/spider.html |
| 10 | 208 | 1.21 | 38 | 1.18 | http://www.majestic12.co.uk/bot.php?+ |
| 11 | 123 | 0.72 | 19 | 0.59 | Windows 98 |
| 12 | 88 | 0.51 | 58 | 1.80 | Windows 95 |
| 13 | 37 | 0.22 | 2 | 0.06 | Windows XP |
| 14 | 24 | 0.14 | 18 | 0.56 | MSIE 5.5; Windows NT 5.0 |
| 15 | 22 | 0.13 | 17 | 0.53 | Windows CE |
| 16 | 18 | 0.10 | 14 | 0.43 | Windows 2000 |
| 17 | 15 | 0.09 | 11 | 0.34 | Windows ME |
| 18 | 14 | 0.08 | 2 | 0.06 | +http://ahrefs.com/robot/ |
| 19 | 14 | 0.08 | 14 | 0.43 | MSIE 5.5; Windows NT 4.0 |
| 20 | 12 | 0.07 | 8 | 0.25 | Windows 3.1 |
| 21 | 12 | 0.07 | 5 | 0.16 | +http://www.exabot.com/go/robot |
| 22 | 10 | 0.06 | 2 | 0.06 | +http://filterdb.iss.net/crawler/ |
| 23 | 6 | 0.03 | 4 | 0.12 | Intel Mac OS X |
| 24 | 4 | 0.02 | 4 | 0.12 | PPC Mac OS X Mach-O |
| 25 | 2 | 0.01 | 2 | 0.06 | Linux i686 [unknown version] |
| 26 | 1 | 0.01 | 1 | 0.03 | +info@netcraft.com |
