| Used Operating Systems |
| 1 | 10104 | 38.63 | 5550 | 65.48 | Windows NT |
| 2 | 8635 | 33.01 | 155 | 1.83 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 1667 | 6.37 | 87 | 1.03 | Windows 98 |
| 4 | 1557 | 5.95 | 1439 | 16.98 | +http://www.baidu.com/search/spider.html |
| 5 | 1173 | 4.48 | 2 | 0.02 | +http://OpenLinkProfiler.org/bot |
| 6 | 759 | 2.90 | 347 | 4.09 | +http://www.google.com/bot.html |
| 7 | 641 | 2.45 | 204 | 2.41 | +http://yandex.com/bots |
| 8 | 384 | 1.47 | 124 | 1.46 | +http://www.linkdex.com/bots/ |
| 9 | 289 | 1.10 | 143 | 1.69 | +http://www.bing.com/bingbot.htm |
| 10 | 278 | 1.06 | 85 | 1.00 | http://www.opensiteexplorer.org/dotbot, ... |
| 11 | 97 | 0.37 | 89 | 1.05 | Windows 95 |
| 12 | 87 | 0.33 | 31 | 0.37 | http://help.yahoo.com/help/us/ysearch/sl... |
| 13 | 72 | 0.28 | 24 | 0.28 | +http://www.profound.net/urlappendbot.ht... |
| 14 | 48 | 0.18 | 1 | 0.01 | +http://endb-consolidated.aihit.com/ |
| 15 | 37 | 0.14 | 17 | 0.20 | +http://www.exabot.com/go/robot |
| 16 | 33 | 0.13 | 8 | 0.09 | +http://gimme60.com |
| 17 | 28 | 0.11 | 12 | 0.14 | +http://ahrefs.com/robot/ |
| 18 | 28 | 0.11 | 9 | 0.11 | X11 |
| 19 | 22 | 0.08 | 10 | 0.12 | Windows XP |
| 20 | 20 | 0.08 | 19 | 0.22 | MSIE 5.5; Windows NT 4.0 |
| 21 | 17 | 0.06 | 16 | 0.19 | Windows CE |
| 22 | 16 | 0.06 | 15 | 0.18 | MSIE 5.5; Windows NT 5.0 |
| 23 | 15 | 0.06 | 0 | 0.00 | Linux [unknown version] |
| 24 | 15 | 0.06 | 14 | 0.17 | Windows ME |
| 25 | 15 | 0.06 | 15 | 0.18 | Windows 3.1 |
| 26 | 14 | 0.05 | 13 | 0.15 | Windows 2000 |
| 27 | 12 | 0.05 | 12 | 0.14 | Auto; Windows |
| 28 | 12 | 0.05 | 8 | 0.09 | +http://www.semrush.com/bot.html |
| 29 | 10 | 0.04 | 2 | 0.02 | Android 2.3.5 |
| 30 | 9 | 0.03 | 1 | 0.01 | +http://www.linkpad.ru |
| 31 | 7 | 0.03 | 5 | 0.06 | ) - BrowseX (2.0.0 Windows |
| 32 | 6 | 0.02 | 3 | 0.04 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 33 | 6 | 0.02 | 3 | 0.04 | http://crawler.sistrix.net/ |
| 34 | 6 | 0.02 | 2 | 0.02 | +http://freedlf.com/ |
| 35 | 5 | 0.02 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 36 | 5 | 0.02 | 1 | 0.01 | +http://u12files.com/ |
| 37 | 4 | 0.02 | 1 | 0.01 | http://www.lipperhey.com/ |
| 38 | 4 | 0.02 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 39 | 4 | 0.02 | 3 | 0.04 | Linux i686 [unknown version] |
| 40 | 2 | 0.01 | 1 | 0.01 | http://www.searchmetrics.com/en/searchme... |
| 41 | 2 | 0.01 | 2 | 0.02 | +http://136.186.231.16 |
| 42 | 2 | 0.01 | 0 | 0.00 | Trident/6.0; Windows NT 5.2; Maxthon |
| 43 | 2 | 0.01 | 1 | 0.01 | +info@netcraft.com |
| 44 | 2 | 0.01 | 1 | 0.01 | +http://www.meanpath.com/meanpathbot.htm... |
| 45 | 1 | 0.00 | 0 | 0.00 | J2ME/MIDP |
| 46 | 1 | 0.00 | 0 | 0.00 | Linux 2.4.x |
| 47 | 1 | 0.00 | 0 | 0.00 | http://blog.wasalive.com/wasalive-bots/ |
| 48 | 1 | 0.00 | 1 | 0.01 | +http://wmaid.com/explore/ |
