| Used Operating Systems |
| 1 | 30975 | 67.76 | 276 | 3.87 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 6191 | 13.54 | 4658 | 65.36 | +http://www.baidu.com/search/spider.html |
| 3 | 2630 | 5.75 | 109 | 1.53 | +http://yandex.com/bots |
| 4 | 1763 | 3.86 | 617 | 8.66 | Windows NT |
| 5 | 1330 | 2.91 | 550 | 7.72 | +http://www.google.com/bot.html |
| 6 | 1230 | 2.69 | 501 | 7.03 | +http://www.bing.com/bingbot.htm |
| 7 | 384 | 0.84 | 77 | 1.08 | +http://www.linkdex.com/bots/ |
| 8 | 218 | 0.48 | 82 | 1.15 | http://www.opensiteexplorer.org/dotbot, ... |
| 9 | 218 | 0.48 | 5 | 0.07 | +http://napoveda.seznam.cz/en/seznambot-... |
| 10 | 161 | 0.35 | 44 | 0.62 | +http://www.semrush.com/bot.html |
| 11 | 68 | 0.15 | 30 | 0.42 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 12 | 55 | 0.12 | 24 | 0.34 | http://help.yahoo.com/help/us/ysearch/sl... |
| 13 | 47 | 0.10 | 21 | 0.29 | Windows XP |
| 14 | 45 | 0.10 | 3 | 0.04 | +http://OpenLinkProfiler.org/bot |
| 15 | 36 | 0.08 | 9 | 0.13 | +http://www.profound.net/domainappender |
| 16 | 34 | 0.07 | 17 | 0.24 | +http://duckduckgo.com |
| 17 | 33 | 0.07 | 15 | 0.21 | +http://ahrefs.com/robot/ |
| 18 | 30 | 0.07 | 12 | 0.17 | Windows 98 |
| 19 | 21 | 0.05 | 6 | 0.08 | Windows 3.1 |
| 20 | 20 | 0.04 | 12 | 0.17 | Windows 95 |
| 21 | 20 | 0.04 | 7 | 0.10 | +http://www.exabot.com/go/robot |
| 22 | 19 | 0.04 | 3 | 0.04 | http://www.wise-guys.nl/ |
| 23 | 17 | 0.04 | 6 | 0.08 | MSIE 5.5; Windows NT 4.0 |
| 24 | 16 | 0.04 | 1 | 0.01 | +http://www.linkpad.ru |
| 25 | 15 | 0.03 | 5 | 0.07 | Windows CE |
| 26 | 14 | 0.03 | 1 | 0.01 | +http://megaindex.com/crawler |
| 27 | 13 | 0.03 | 1 | 0.01 | Linux [unknown version] |
| 28 | 13 | 0.03 | 1 | 0.01 | +https://www.aihitdata.com/about |
| 29 | 12 | 0.03 | 5 | 0.07 | Windows 2000 |
| 30 | 12 | 0.03 | 5 | 0.07 | +spider@seoscanners.net |
| 31 | 12 | 0.03 | 1 | 0.01 | +https://www.dataprovider.com/ |
| 32 | 10 | 0.02 | 4 | 0.06 | MSIE 5.5; Windows NT 5.0 |
| 33 | 8 | 0.02 | 0 | 0.00 | MSIE 5.5; Windows NT 5.1 |
| 34 | 6 | 0.01 | 2 | 0.03 | Windows ME |
| 35 | 5 | 0.01 | 3 | 0.04 | +https://gimmeusa.com/crawler.html |
| 36 | 4 | 0.01 | 1 | 0.01 | Intel Mac OS X 10.4 |
| 37 | 4 | 0.01 | 3 | 0.04 | +info@netcraft.com |
| 38 | 4 | 0.01 | 3 | 0.04 | +http://www.uptime.com/uptimebot |
| 39 | 3 | 0.01 | 0 | 0.00 | http://webagent.wise-guys.nl/ |
| 40 | 2 | 0.00 | 2 | 0.03 | http://nmap.org/book/nse.html |
| 41 | 2 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 42 | 2 | 0.00 | 0 | 0.00 | Windows Phone OS 7.5 |
| 43 | 2 | 0.00 | 1 | 0.01 | ) - BrowseX (2.0.0 Windows |
| 44 | 2 | 0.00 | 2 | 0.03 | +http://www.grapeshot.co.uk/crawler.php |
| 45 | 2 | 0.00 | 0 | 0.00 | +http://siteexplorer.info/ |
| 46 | 1 | 0.00 | 1 | 0.01 | Win32 |
| 47 | 1 | 0.00 | 1 | 0.01 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 48 | 1 | 0.00 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
