| Used Operating Systems |
| 1 | 5180 | 56.08 | 2285 | 46.28 | Windows NT |
| 2 | 1507 | 16.32 | 1449 | 29.35 | +http://www.baidu.com/search/spider.html |
| 3 | 533 | 5.77 | 197 | 3.99 | +http://www.bing.com/bingbot.htm |
| 4 | 394 | 4.27 | 159 | 3.22 | http://www.majestic12.co.uk/bot.php?+ |
| 5 | 320 | 3.46 | 119 | 2.41 | +http://www.google.com/bot.html |
| 6 | 299 | 3.24 | 22 | 0.45 | +http://yandex.com/bots |
| 7 | 216 | 2.34 | 162 | 3.28 | Windows 95 |
| 8 | 199 | 2.15 | 198 | 4.01 | http://www.yodao.com/help/webmaster/spid... |
| 9 | 61 | 0.66 | 25 | 0.51 | Windows 98 |
| 10 | 49 | 0.53 | 32 | 0.65 | Windows ME |
| 11 | 48 | 0.52 | 41 | 0.83 | MSIE 5.5; Windows NT 5.0 |
| 12 | 42 | 0.45 | 16 | 0.32 | Windows XP |
| 13 | 40 | 0.43 | 10 | 0.20 | http://crawler.sistrix.net/ |
| 14 | 40 | 0.43 | 20 | 0.41 | ezooms.bot@gmail.com |
| 15 | 38 | 0.41 | 27 | 0.55 | +http://ahrefs.com/robot/ |
| 16 | 36 | 0.39 | 33 | 0.67 | MSIE 5.5; Windows NT 4.0 |
| 17 | 33 | 0.36 | 32 | 0.65 | Windows CE |
| 18 | 32 | 0.35 | 24 | 0.49 | Windows 3.1 |
| 19 | 26 | 0.28 | 13 | 0.26 | +http://www.career-x.de/bot.html |
| 20 | 24 | 0.26 | 22 | 0.45 | +http://shoulu.jike.com/spider.html |
| 21 | 18 | 0.19 | 18 | 0.36 | Windows 2000 |
| 22 | 18 | 0.19 | 1 | 0.02 | Intel Mac OS X 10.8 |
| 23 | 16 | 0.17 | 4 | 0.08 | MirrorDetector; +http://yandex.com/bots |
| 24 | 16 | 0.17 | 7 | 0.14 | +http://www.exabot.com/go/robot |
| 25 | 12 | 0.13 | 7 | 0.14 | +http://www.easou.com/search/spider.html |
| 26 | 11 | 0.12 | 1 | 0.02 | PPC Mac OS X 10.4 |
| 27 | 7 | 0.08 | 1 | 0.02 | +http://go.mail.ru/help/robots |
| 28 | 5 | 0.05 | 3 | 0.06 | http://www.youdao.com/help/webmaster/spi... |
| 29 | 4 | 0.04 | 2 | 0.04 | Auto; Windows |
| 30 | 3 | 0.03 | 1 | 0.02 | +info@netcraft.com |
| 31 | 2 | 0.02 | 2 | 0.04 | +http://www.netseer.com/crawler.html; cr... |
| 32 | 2 | 0.02 | 0 | 0.00 | +http://www.proximic.com/info/spider.php |
| 33 | 2 | 0.02 | 1 | 0.02 | +http://www.acoon.de/robot.asp |
| 34 | 1 | 0.01 | 1 | 0.02 | Linux [unknown version] |
| 35 | 1 | 0.01 | 1 | 0.02 | Windows 9x |
| 36 | 1 | 0.01 | 1 | 0.02 | Linux i686 [unknown version] |
