| Used Operating Systems |
| 1 | 23785 | 43.60 | 350 | 3.48 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 12021 | 22.03 | 5267 | 52.40 | +http://ahrefs.com/robot/ |
| 3 | 6017 | 11.03 | 6 | 0.06 | +http://webmeup-crawler.com/ |
| 4 | 4983 | 9.13 | 5 | 0.05 | +http://OpenLinkProfiler.org/bot |
| 5 | 2287 | 4.19 | 2120 | 21.09 | +http://www.baidu.com/search/spider.html |
| 6 | 2130 | 3.90 | 1530 | 15.22 | Windows NT |
| 7 | 946 | 1.73 | 157 | 1.56 | +http://yandex.com/bots |
| 8 | 818 | 1.50 | 1 | 0.01 | http://crawler.007ac9.net/ |
| 9 | 524 | 0.96 | 211 | 2.10 | +http://www.google.com/bot.html |
| 10 | 488 | 0.89 | 206 | 2.05 | +http://www.bing.com/bingbot.htm |
| 11 | 212 | 0.39 | 71 | 0.71 | +http://www.linkdex.com/bots/ |
| 12 | 56 | 0.10 | 26 | 0.26 | +http://www.exabot.com/go/robot |
| 13 | 53 | 0.10 | 20 | 0.20 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 14 | 45 | 0.08 | 0 | 0.00 | http://filterdb.iss.net/crawler/ |
| 15 | 31 | 0.06 | 10 | 0.10 | Windows 95 |
| 16 | 30 | 0.05 | 15 | 0.15 | http://www.opensiteexplorer.org/dotbot, ... |
| 17 | 18 | 0.03 | 6 | 0.06 | Windows 98 |
| 18 | 11 | 0.02 | 10 | 0.10 | X11 |
| 19 | 10 | 0.02 | 1 | 0.01 | Windows 92 |
| 20 | 10 | 0.02 | 4 | 0.04 | Windows 3.1 |
| 21 | 10 | 0.02 | 6 | 0.06 | +http://wmaid.com/explore/ |
| 22 | 9 | 0.02 | 3 | 0.03 | Windows CE |
| 23 | 9 | 0.02 | 3 | 0.03 | Auto; Windows |
| 24 | 7 | 0.01 | 3 | 0.03 | Windows XP |
| 25 | 6 | 0.01 | 3 | 0.03 | MSIE 5.5; Windows NT 5.0 |
| 26 | 6 | 0.01 | 6 | 0.06 | Android 2.3.5 |
| 27 | 6 | 0.01 | 2 | 0.02 | ) - BrowseX (2.0.0 Windows |
| 28 | 5 | 0.01 | 0 | 0.00 | Linux [unknown version] |
| 29 | 4 | 0.01 | 2 | 0.02 | +http://www.meanpath.com/meanpathbot.htm... |
| 30 | 3 | 0.01 | 1 | 0.01 | +http://getdownload.ws |
| 31 | 3 | 0.01 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 32 | 3 | 0.01 | 2 | 0.02 | +info@netcraft.com |
| 33 | 3 | 0.01 | 1 | 0.01 | +http://inload.in |
| 34 | 3 | 0.01 | 1 | 0.01 | MSIE 5.5; Windows NT 4.0 |
| 35 | 3 | 0.01 | 1 | 0.01 | +http://overx50.com/ |
| 36 | 2 | 0.00 | 1 | 0.01 | Windows 2000 |
| 37 | 1 | 0.00 | 0 | 0.00 | Macintosh PPC |
| 38 | 1 | 0.00 | 1 | 0.01 | Linux i686 [unknown version] |
