| Used Operating Systems |
| 1 | 4457 | 52.49 | 2767 | 55.00 | Windows NT |
| 2 | 1574 | 18.54 | 1459 | 29.00 | +http://www.baidu.com/search/spider.html |
| 3 | 828 | 9.75 | 220 | 4.37 | +http://www.google.com/bot.html |
| 4 | 658 | 7.75 | 235 | 4.67 | +http://www.bing.com/bingbot.htm |
| 5 | 387 | 4.56 | 110 | 2.19 | +http://yandex.com/bots |
| 6 | 210 | 2.47 | 40 | 0.80 | http://www.majestic12.co.uk/bot.php?+ |
| 7 | 109 | 1.28 | 106 | 2.11 | MSIE 5.5; Windows NT 5.0 |
| 8 | 50 | 0.59 | 16 | 0.32 | +http://ahrefs.com/robot/ |
| 9 | 32 | 0.38 | 11 | 0.22 | Windows 95 |
| 10 | 28 | 0.33 | 6 | 0.12 | MirrorDetector; +http://yandex.com/bots |
| 11 | 26 | 0.31 | 12 | 0.24 | Windows 98 |
| 12 | 26 | 0.31 | 12 | 0.24 | +http://www.exabot.com/go/robot |
| 13 | 24 | 0.28 | 12 | 0.24 | http://crawler.sistrix.net/ |
| 14 | 16 | 0.19 | 1 | 0.02 | +http://filterdb.iss.net/crawler/ |
| 15 | 12 | 0.14 | 2 | 0.04 | +info@netcraft.com |
| 16 | 9 | 0.11 | 3 | 0.06 | Windows 3.1 |
| 17 | 8 | 0.09 | 2 | 0.04 | ezooms.bot@gmail.com |
| 18 | 6 | 0.07 | 2 | 0.04 | Windows CE |
| 19 | 6 | 0.07 | 2 | 0.04 | MSIE 5.5; Windows NT 4.0 |
| 20 | 4 | 0.05 | 2 | 0.04 | Windows 2000 |
| 21 | 4 | 0.05 | 0 | 0.00 | +http://go.mail.ru/help/robots |
| 22 | 4 | 0.05 | 2 | 0.04 | Windows XP |
| 23 | 4 | 0.05 | 4 | 0.08 | +http://shoulu.jike.com/spider.html |
| 24 | 2 | 0.02 | 0 | 0.00 | http://desktop.google.com/ |
| 25 | 2 | 0.02 | 0 | 0.00 | Mac_PowerPC; en |
| 26 | 2 | 0.02 | 2 | 0.04 | PPC; Trident/3.0 |
| 27 | 2 | 0.02 | 2 | 0.04 | Intel Mac OS X 10.6 |
| 28 | 1 | 0.01 | 1 | 0.02 | X11 |
