| Used Operating Systems |
| 1 | 25997 | 34.69 | 314 | 1.79 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 19124 | 25.52 | 1327 | 7.55 | Windows NT |
| 3 | 14926 | 19.91 | 10414 | 59.22 | +http://ahrefs.com/robot/ |
| 4 | 4825 | 6.44 | 3706 | 21.08 | +http://www.baidu.com/search/spider.html |
| 5 | 3334 | 4.45 | 1 | 0.01 | +http://megaindex.com/crawler |
| 6 | 3064 | 4.09 | 493 | 2.80 | +http://www.bing.com/bingbot.htm |
| 7 | 796 | 1.06 | 4 | 0.02 | +http://OpenLinkProfiler.org/bot |
| 8 | 722 | 0.96 | 342 | 1.94 | +http://www.google.com/bot.html |
| 9 | 534 | 0.71 | 332 | 1.89 | +http://www.xovibot.net/ |
| 10 | 341 | 0.45 | 73 | 0.42 | +http://yandex.com/bots |
| 11 | 284 | 0.38 | 114 | 0.65 | +http://www.linkdex.com/bots/ |
| 12 | 154 | 0.21 | 66 | 0.38 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 13 | 149 | 0.20 | 102 | 0.58 | Windows 95 |
| 14 | 133 | 0.18 | 38 | 0.22 | Windows 98 |
| 15 | 67 | 0.09 | 4 | 0.02 | http://www.opensiteexplorer.org/dotbot, ... |
| 16 | 67 | 0.09 | 16 | 0.09 | Windows XP |
| 17 | 53 | 0.07 | 24 | 0.14 | MSIE 5.5; Windows NT 4.0 |
| 18 | 47 | 0.06 | 9 | 0.05 | http://help.yahoo.com/help/us/ysearch/sl... |
| 19 | 41 | 0.05 | 11 | 0.06 | +http://www.semrush.com/bot.html |
| 20 | 40 | 0.05 | 39 | 0.22 | +http://www.uptime.com/uptimebot |
| 21 | 28 | 0.04 | 21 | 0.12 | Windows ME |
| 22 | 28 | 0.04 | 0 | 0.00 | +http://napoveda.seznam.cz/en/seznambot-... |
| 23 | 27 | 0.04 | 18 | 0.10 | Windows CE |
| 24 | 25 | 0.03 | 22 | 0.13 | Auto; Windows |
| 25 | 25 | 0.03 | 17 | 0.10 | Windows 3.1 |
| 26 | 19 | 0.03 | 19 | 0.11 | actually this is http://ismyblogworking.... |
| 27 | 18 | 0.02 | 16 | 0.09 | MSIE 5.5; Windows NT 5.0 |
| 28 | 18 | 0.02 | 15 | 0.09 | ) - BrowseX (2.0.0 Windows |
| 29 | 17 | 0.02 | 15 | 0.09 | Windows 2000 |
| 30 | 16 | 0.02 | 1 | 0.01 | +https://www.dataprovider.com/ |
| 31 | 5 | 0.01 | 1 | 0.01 | +http://sur.ly/bot.html |
| 32 | 4 | 0.01 | 1 | 0.01 | +https://teeraid.com/bot/ |
| 33 | 4 | 0.01 | 1 | 0.01 | +http://siteexplorer.info/ |
| 34 | 3 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 35 | 3 | 0.00 | 2 | 0.01 | Linux [unknown version] |
| 36 | 3 | 0.00 | 2 | 0.01 | +info@netcraft.com |
| 37 | 2 | 0.00 | 0 | 0.00 | OpenBSD [unknown version] |
| 38 | 2 | 0.00 | 1 | 0.01 | http://www.botje.com/plukkie.htm |
| 39 | 1 | 0.00 | 1 | 0.01 | +https://gimmeusa.com/crawler.html |
| 40 | 1 | 0.00 | 1 | 0.01 | http://nmap.org/book/nse.html |
| 41 | 1 | 0.00 | 0 | 0.00 | X11 |
| 42 | 1 | 0.00 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 43 | 1 | 0.00 | 1 | 0.01 | Android 2.3.5 |
| 44 | 1 | 0.00 | 0 | 0.00 | Linux i686 [unknown version] |
