| Used Operating Systems |
| 1 | 10624 | 56.38 | 20 | 1.09 | http://crawler.sistrix.net/ |
| 2 | 2476 | 13.14 | 140 | 7.64 | Windows NT |
| 3 | 1636 | 8.68 | 784 | 42.79 | +http://www.baidu.com/search/spider.html |
| 4 | 1008 | 5.35 | 3 | 0.16 | http://www.nerdbynature.net/bot |
| 5 | 821 | 4.36 | 193 | 10.53 | ezooms.bot@gmail.com |
| 6 | 623 | 3.31 | 216 | 11.79 | +http://www.bing.com/bingbot.htm |
| 7 | 435 | 2.31 | 137 | 7.48 | +http://www.google.com/bot.html |
| 8 | 362 | 1.92 | 188 | 10.26 | +http://ahrefs.com/robot/ |
| 9 | 211 | 1.12 | 67 | 3.66 | +http://yandex.com/bots |
| 10 | 160 | 0.85 | 35 | 1.91 | http://www.majestic12.co.uk/bot.php?+ |
| 11 | 100 | 0.53 | 0 | 0.00 | http://help.yahoo.com/help/us/ysearch/sl... |
| 12 | 96 | 0.51 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 13 | 72 | 0.38 | 0 | 0.00 | i686 Linux; 20020515 |
| 14 | 72 | 0.38 | 0 | 0.00 | Windows 95 |
| 15 | 56 | 0.30 | 19 | 1.04 | +http://www.exabot.com/go/robot |
| 16 | 24 | 0.13 | 5 | 0.27 | +http://www.openindex.io/en/webmasters/s... |
| 17 | 24 | 0.13 | 2 | 0.11 | +http://www.forumseek.net |
| 18 | 22 | 0.12 | 14 | 0.76 | Windows 98 |
| 19 | 13 | 0.07 | 5 | 0.27 | +http://www.sparky.ch/ |
| 20 | 4 | 0.02 | 0 | 0.00 | crawler@unister.de |
| 21 | 2 | 0.01 | 2 | 0.11 | Intel Mac OS X 10.6 |
| 22 | 2 | 0.01 | 2 | 0.11 | MSIE 5.5; Windows NT 5.0 |
