| Used Operating Systems |
| 1 | 6332 | 24.63 | 2838 | 33.70 | Windows NT |
| 2 | 5554 | 21.61 | 117 | 1.39 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 4321 | 16.81 | 3298 | 39.16 | +http://www.baidu.com/search/spider.html |
| 4 | 2647 | 10.30 | 306 | 3.63 | http://www.opensiteexplorer.org/dotbot, ... |
| 5 | 1310 | 5.10 | 20 | 0.24 | +http://OpenLinkProfiler.org/bot |
| 6 | 1240 | 4.82 | 310 | 3.68 | +http://ahrefs.com/robot/ |
| 7 | 1021 | 3.97 | 115 | 1.37 | +http://yandex.com/bots |
| 8 | 803 | 3.12 | 240 | 2.85 | +http://www.linkdex.com/bots/ |
| 9 | 745 | 2.90 | 499 | 5.93 | +http://www.easou.com/search/spider.html |
| 10 | 523 | 2.03 | 261 | 3.10 | +http://www.google.com/bot.html |
| 11 | 428 | 1.67 | 194 | 2.30 | +http://www.bing.com/bingbot.htm |
| 12 | 206 | 0.80 | 4 | 0.05 | Windows 98 |
| 13 | 174 | 0.68 | 45 | 0.53 | http://help.yahoo.com/help/us/ysearch/sl... |
| 14 | 148 | 0.58 | 47 | 0.56 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 15 | 54 | 0.21 | 18 | 0.21 | +http://www.exabot.com/go/robot |
| 16 | 54 | 0.21 | 27 | 0.32 | +http://www.meanpath.com/meanpathbot.htm... |
| 17 | 38 | 0.15 | 24 | 0.29 | X11 |
| 18 | 16 | 0.06 | 14 | 0.17 | +info@netcraft.com |
| 19 | 12 | 0.05 | 10 | 0.12 | Windows 95 |
| 20 | 10 | 0.04 | 3 | 0.04 | Android 2.3.5 |
| 21 | 8 | 0.03 | 2 | 0.02 | +http://dl2engine.net |
| 22 | 7 | 0.03 | 7 | 0.08 | Windows ME |
| 23 | 6 | 0.02 | 2 | 0.02 | +http://onlythegames.com |
| 24 | 4 | 0.02 | 1 | 0.01 | +http://getdownload.ws |
| 25 | 4 | 0.02 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 26 | 4 | 0.02 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 27 | 4 | 0.02 | 0 | 0.00 | +http://siteexplorer.info/ |
| 28 | 3 | 0.01 | 3 | 0.04 | Windows 2000 |
| 29 | 3 | 0.01 | 3 | 0.04 | Windows 3.1 |
| 30 | 3 | 0.01 | 0 | 0.00 | +http://www.xovibot.net/ |
| 31 | 3 | 0.01 | 2 | 0.02 | +http://wmaid.com/explore/ |
| 32 | 3 | 0.01 | 3 | 0.04 | ) - BrowseX (2.0.0 Windows |
| 33 | 3 | 0.01 | 1 | 0.01 | +http://a14download.com |
| 34 | 3 | 0.01 | 1 | 0.01 | +http://mydownloadengine.com |
| 35 | 2 | 0.01 | 2 | 0.02 | Windows CE |
| 36 | 2 | 0.01 | 1 | 0.01 | http://crawler.sistrix.net/ |
| 37 | 1 | 0.00 | 1 | 0.01 | http://www.lipperhey.com/ |
| 38 | 1 | 0.00 | 0 | 0.00 | Trident/6.0; Windows NT 5.0; FDM; Maxtho... |
| 39 | 1 | 0.00 | 0 | 0.00 | Trident/6.0; Windows 98; IEMB3; IEMB3; Z... |
| 40 | 1 | 0.00 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 41 | 1 | 0.00 | 1 | 0.01 | Linux i686 [unknown version] |
| 42 | 1 | 0.00 | 1 | 0.01 | MSIE 5.5; Windows NT 5.0 |
