| Used Operating Systems |
| 1 | 7880 | 42.36 | 63 | 1.51 | http://mj12bot.com/ |
| 2 | 3642 | 19.58 | 1051 | 25.17 | Windows NT |
| 3 | 2152 | 11.57 | 1980 | 47.41 | +http://www.baidu.com/search/spider.html |
| 4 | 1038 | 5.58 | 7 | 0.17 | +http://www.warebay.com/bot.html |
| 5 | 698 | 3.75 | 116 | 2.78 | +http://ahrefs.com/robot/ |
| 6 | 650 | 3.49 | 130 | 3.11 | +http://napoveda.seznam.cz/en/seznambot-... |
| 7 | 413 | 2.22 | 115 | 2.75 | +http://yandex.com/bots |
| 8 | 383 | 2.06 | 2 | 0.05 | http://www.majestic12.co.uk/bot.php?+ |
| 9 | 264 | 1.42 | 140 | 3.35 | +http://www.bing.com/bingbot.htm |
| 10 | 259 | 1.39 | 96 | 2.30 | +http://www.google.com/bot.html |
| 11 | 191 | 1.03 | 54 | 1.29 | +http://www.linkdex.com/bots/ |
| 12 | 173 | 0.93 | 115 | 2.75 | Windows 95 |
| 13 | 122 | 0.66 | 17 | 0.41 | Windows 98 |
| 14 | 83 | 0.45 | 17 | 0.41 | Windows XP |
| 15 | 78 | 0.42 | 61 | 1.46 | +http://www.uptime.com/uptimebot |
| 16 | 68 | 0.37 | 0 | 0.00 | http://filterdb.iss.net/crawler/ |
| 17 | 60 | 0.32 | 2 | 0.05 | +http://OpenLinkProfiler.org/bot |
| 18 | 39 | 0.21 | 12 | 0.29 | +http://www.exabot.com/go/robot |
| 19 | 36 | 0.19 | 28 | 0.67 | MSIE 5.5; Windows NT 5.0 |
| 20 | 35 | 0.19 | 29 | 0.69 | Windows CE |
| 21 | 34 | 0.18 | 1 | 0.02 | +https://www.aihitdata.com/about |
| 22 | 34 | 0.18 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 23 | 31 | 0.17 | 7 | 0.17 | http://help.yahoo.com/help/us/ysearch/sl... |
| 24 | 31 | 0.17 | 23 | 0.55 | Windows 3.1 |
| 25 | 29 | 0.16 | 22 | 0.53 | MSIE 5.5; Windows NT 4.0 |
| 26 | 26 | 0.14 | 22 | 0.53 | ) - BrowseX (2.0.0 Windows |
| 27 | 24 | 0.13 | 13 | 0.31 | Windows ME |
| 28 | 22 | 0.12 | 19 | 0.45 | Auto; Windows |
| 29 | 18 | 0.10 | 2 | 0.05 | +http://www.seokicks.de/robot.html |
| 30 | 18 | 0.10 | 6 | 0.14 | +http://www.profound.net/domainappender |
| 31 | 16 | 0.09 | 13 | 0.31 | Windows 2000 |
| 32 | 14 | 0.08 | 0 | 0.00 | +http://www.xovibot.net/ |
| 33 | 9 | 0.05 | 2 | 0.05 | +http://siteexplorer.info/Backlink-Check... |
| 34 | 8 | 0.04 | 2 | 0.05 | +spider@seoscanners.net |
| 35 | 5 | 0.03 | 1 | 0.02 | http://www.opensiteexplorer.org/dotbot, ... |
| 36 | 4 | 0.02 | 1 | 0.02 | +https://www.mojeek.com/bot.html |
| 37 | 4 | 0.02 | 0 | 0.00 | http://yooz.ir; info@yooz.ir |
| 38 | 3 | 0.02 | 2 | 0.05 | +info@netcraft.com |
| 39 | 2 | 0.01 | 1 | 0.02 | http://www.botje.com/plukkie.htm |
| 40 | 2 | 0.01 | 0 | 0.00 | Android 2.3.5 |
| 41 | 2 | 0.01 | 1 | 0.02 | X11 |
| 42 | 1 | 0.01 | 1 | 0.02 | http://nmap.org/book/nse.html |
| 43 | 1 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 44 | 1 | 0.01 | 1 | 0.02 | Linux [unknown version] |
| 45 | 1 | 0.01 | 1 | 0.02 | WinHttp.WinHttpRequest.5 |
