| Used Operating Systems |
| 1 | 13564 | 60.96 | 370 | 7.93 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 3177 | 14.28 | 662 | 14.19 | Windows NT |
| 3 | 3033 | 13.63 | 2398 | 51.39 | +http://www.baidu.com/search/spider.html |
| 4 | 842 | 3.78 | 400 | 8.57 | +http://www.bing.com/bingbot.htm |
| 5 | 621 | 2.79 | 380 | 8.14 | +http://www.linkdex.com/bots/ |
| 6 | 341 | 1.53 | 126 | 2.70 | +http://www.google.com/bot.html |
| 7 | 169 | 0.76 | 30 | 0.64 | +http://yandex.com/bots |
| 8 | 97 | 0.44 | 67 | 1.44 | Windows 95 |
| 9 | 61 | 0.27 | 57 | 1.22 | +http://www.uptime.com/uptimebot |
| 10 | 60 | 0.27 | 16 | 0.34 | Windows 98 |
| 11 | 33 | 0.15 | 21 | 0.45 | Windows CE |
| 12 | 24 | 0.11 | 16 | 0.34 | Windows 3.1 |
| 13 | 21 | 0.09 | 3 | 0.06 | Windows XP |
| 14 | 19 | 0.09 | 16 | 0.34 | MSIE 5.5; Windows NT 4.0 |
| 15 | 18 | 0.08 | 7 | 0.15 | +http://www.exabot.com/go/robot |
| 16 | 16 | 0.07 | 15 | 0.32 | Auto; Windows |
| 17 | 16 | 0.07 | 8 | 0.17 | http://help.yahoo.com/help/us/ysearch/sl... |
| 18 | 16 | 0.07 | 2 | 0.04 | +http://webmeup-crawler.com/ |
| 19 | 15 | 0.07 | 14 | 0.30 | Windows 2000 |
| 20 | 15 | 0.07 | 5 | 0.11 | +http://www.seokicks.de/robot.html |
| 21 | 12 | 0.05 | 4 | 0.09 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 22 | 12 | 0.05 | 6 | 0.13 | +http://OpenLinkProfiler.org/bot |
| 23 | 12 | 0.05 | 10 | 0.21 | Windows ME |
| 24 | 12 | 0.05 | 10 | 0.21 | ) - BrowseX (2.0.0 Windows |
| 25 | 10 | 0.04 | 4 | 0.09 | +info@netcraft.com |
| 26 | 9 | 0.04 | 9 | 0.19 | MSIE 5.5; Windows NT 5.0 |
| 27 | 8 | 0.04 | 2 | 0.04 | +https://www.dataprovider.com/ |
| 28 | 4 | 0.02 | 2 | 0.04 | http://www.botje.com/plukkie.htm |
| 29 | 4 | 0.02 | 0 | 0.00 | +http://siteexplorer.info/ |
| 30 | 2 | 0.01 | 0 | 0.00 | +http://ahrefs.com/robot/ |
| 31 | 2 | 0.01 | 2 | 0.04 | http://nmap.org/book/nse.html |
| 32 | 2 | 0.01 | 2 | 0.04 | Linux i586 [unknown version] |
| 33 | 2 | 0.01 | 2 | 0.04 | +http://megaindex.com/crawler |
| 34 | 2 | 0.01 | 0 | 0.00 | +http://www.semrush.com/bot.html |
