| Used Operating Systems |
| 1 | 8355 | 34.56 | 1951 | 49.63 | Windows NT |
| 2 | 4222 | 17.46 | 6 | 0.15 | http://crawler.sistrix.net/ |
| 3 | 3880 | 16.05 | 601 | 15.29 | +http://www.baidu.com/search/spider.html |
| 4 | 3338 | 13.81 | 1105 | 28.11 | +http://ahrefs.com/robot/ |
| 5 | 1807 | 7.47 | 24 | 0.61 | http://www.majestic12.co.uk/bot.php?+ |
| 6 | 1307 | 5.41 | 37 | 0.94 | +http://www.google.com/bot.html |
| 7 | 442 | 1.83 | 2 | 0.05 | +http://webmeup-crawler.com/ |
| 8 | 216 | 0.89 | 38 | 0.97 | +http://yandex.com/bots |
| 9 | 108 | 0.45 | 8 | 0.20 | +http://www.bing.com/bingbot.htm |
| 10 | 105 | 0.43 | 16 | 0.41 | Windows 98 |
| 11 | 54 | 0.22 | 20 | 0.51 | +http://www.linkdex.com/about/bots/ |
| 12 | 52 | 0.22 | 7 | 0.18 | X11 |
| 13 | 50 | 0.21 | 5 | 0.13 | ezooms.bot@gmail.com |
| 14 | 47 | 0.19 | 33 | 0.84 | Windows 95 |
| 15 | 29 | 0.12 | 10 | 0.25 | +http://www.exabot.com/go/robot |
| 16 | 24 | 0.10 | 6 | 0.15 | +http://www.meanpath.com/meanpathbot.htm... |
| 17 | 19 | 0.08 | 2 | 0.05 | Android 2.3.5 |
| 18 | 18 | 0.07 | 10 | 0.25 | Windows ME |
| 19 | 14 | 0.06 | 7 | 0.18 | Windows 2000 |
| 20 | 14 | 0.06 | 6 | 0.15 | MSIE 5.5; Windows NT 5.0 |
| 21 | 12 | 0.05 | 7 | 0.18 | Windows 3.1 |
| 22 | 11 | 0.05 | 6 | 0.15 | Windows CE |
| 23 | 10 | 0.04 | 6 | 0.15 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 24 | 10 | 0.04 | 6 | 0.15 | MSIE 5.5; Windows NT 4.0 |
| 25 | 6 | 0.02 | 0 | 0.00 | +http://www.yunyun.com/spider.html |
| 26 | 6 | 0.02 | 0 | 0.00 | +http://help.soso.com/webspider.htm |
| 27 | 6 | 0.02 | 1 | 0.03 | Windows XP |
| 28 | 6 | 0.02 | 5 | 0.13 | ) - BrowseX (2.0.0 Windows |
| 29 | 4 | 0.02 | 2 | 0.05 | http://www.searchmetrics.com/en/searchme... |
| 30 | 2 | 0.01 | 2 | 0.05 | Auto; Windows |
| 31 | 2 | 0.01 | 2 | 0.05 | +info@netcraft.com |
