| Used Operating Systems |
| 1 | 23380 | 51.86 | 136 | 3.36 | http://mj12bot.com/ |
| 2 | 9280 | 20.58 | 747 | 18.48 | http://www.opensiteexplorer.org/dotbot, ... |
| 3 | 4539 | 10.07 | 1 | 0.02 | +http://megaindex.com/crawler |
| 4 | 2262 | 5.02 | 1039 | 25.71 | Windows NT |
| 5 | 1498 | 3.32 | 404 | 10.00 | +http://ahrefs.com/robot/ |
| 6 | 810 | 1.80 | 644 | 15.93 | +http://www.baidu.com/search/spider.html |
| 7 | 500 | 1.11 | 84 | 2.08 | +http://yandex.com/bots |
| 8 | 489 | 1.08 | 68 | 1.68 | +http://napoveda.seznam.cz/en/seznambot-... |
| 9 | 408 | 0.91 | 82 | 2.03 | +http://www.linkdex.com/bots/ |
| 10 | 347 | 0.77 | 202 | 5.00 | +http://www.bing.com/bingbot.htm |
| 11 | 339 | 0.75 | 149 | 3.69 | +http://www.google.com/bot.html |
| 12 | 277 | 0.61 | 158 | 3.91 | Linux i686 [unknown version] |
| 13 | 181 | 0.40 | 5 | 0.12 | +http://OpenLinkProfiler.org/bot |
| 14 | 131 | 0.29 | 99 | 2.45 | Windows 95 |
| 15 | 104 | 0.23 | 4 | 0.10 | +http://www.semrush.com/bot.html |
| 16 | 96 | 0.21 | 35 | 0.87 | Windows 98 |
| 17 | 45 | 0.10 | 5 | 0.12 | +http://www.seokicks.de/robot.html |
| 18 | 44 | 0.10 | 1 | 0.02 | +http://www.linkpad.ru |
| 19 | 42 | 0.09 | 21 | 0.52 | http://www.tkl.iis.u-tokyo.ac.jp/~crawle... |
| 20 | 36 | 0.08 | 0 | 0.00 | http://yooz.ir; info@yooz.ir |
| 21 | 25 | 0.06 | 21 | 0.52 | MSIE 5.5; Windows NT 5.0 |
| 22 | 23 | 0.05 | 6 | 0.15 | Windows XP |
| 23 | 23 | 0.05 | 17 | 0.42 | Windows 3.1 |
| 24 | 23 | 0.05 | 19 | 0.47 | Windows ME |
| 25 | 22 | 0.05 | 4 | 0.10 | +http://cliqz.com/company/cliqzbot |
| 26 | 17 | 0.04 | 15 | 0.37 | Windows 2000 |
| 27 | 17 | 0.04 | 15 | 0.37 | ) - BrowseX (2.0.0 Windows |
| 28 | 16 | 0.04 | 14 | 0.35 | Windows CE |
| 29 | 14 | 0.03 | 0 | 0.00 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 30 | 14 | 0.03 | 14 | 0.35 | MSIE 5.5; Windows NT 4.0 |
| 31 | 14 | 0.03 | 2 | 0.05 | +http://www.exabot.com/go/robot |
| 32 | 12 | 0.03 | 12 | 0.30 | Auto; Windows |
| 33 | 10 | 0.02 | 0 | 0.00 | +http://www.xovibot.net/ |
| 34 | 9 | 0.02 | 1 | 0.02 | +http://filterdb.iss.net/crawler/ |
| 35 | 6 | 0.01 | 3 | 0.07 | http://help.yahoo.com/help/us/ysearch/sl... |
| 36 | 6 | 0.01 | 4 | 0.10 | +info@netcraft.com |
| 37 | 4 | 0.01 | 2 | 0.05 | Mail.RU_Bot/Robots/2.0; +http://go.mail.... |
| 38 | 4 | 0.01 | 0 | 0.00 | MSIE 5.5; Windows NT 5.1 |
| 39 | 4 | 0.01 | 2 | 0.05 | http://www.majestic12.co.uk/bot.php?+ |
| 40 | 2 | 0.00 | 2 | 0.05 | https://nmap.org/book/nse.html |
| 41 | 2 | 0.00 | 2 | 0.05 | Linux [unknown version] |
| 42 | 2 | 0.00 | 0 | 0.00 | +http://siteexplorer.info/Backlink-Check... |
| 43 | 2 | 0.00 | 2 | 0.05 | +http://eripp.com |
| 44 | 2 | 0.00 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 45 | 1 | 0.00 | 1 | 0.02 | Intel Mac OS X 10.4 |
