| Used Operating Systems |
| 1 | 18023 | 24.92 | 11448 | 69.45 | +http://ahrefs.com/robot/ |
| 2 | 17779 | 24.58 | 195 | 1.18 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 11738 | 16.23 | 691 | 4.19 | Windows NT |
| 4 | 6550 | 9.06 | 2 | 0.01 | +http://megaindex.com/crawler |
| 5 | 5839 | 8.07 | 495 | 3.00 | +http://www.bing.com/bingbot.htm |
| 6 | 3028 | 4.19 | 514 | 3.12 | +http://www.google.com/bot.html |
| 7 | 2854 | 3.95 | 2081 | 12.62 | +http://www.baidu.com/search/spider.html |
| 8 | 2514 | 3.48 | 299 | 1.81 | +http://yandex.com/bots |
| 9 | 1212 | 1.68 | 271 | 1.64 | +http://www.linkdex.com/bots/ |
| 10 | 679 | 0.94 | 48 | 0.29 | +http://napoveda.seznam.cz/en/seznambot-... |
| 11 | 448 | 0.62 | 4 | 0.02 | +http://siteexplorer.info/ |
| 12 | 350 | 0.48 | 61 | 0.37 | +http://www.semrush.com/bot.html |
| 13 | 245 | 0.34 | 92 | 0.56 | http://help.yahoo.com/help/us/ysearch/sl... |
| 14 | 202 | 0.28 | 3 | 0.02 | +http://OpenLinkProfiler.org/bot |
| 15 | 172 | 0.24 | 2 | 0.01 | +http://filterdb.iss.net/crawler/ |
| 16 | 125 | 0.17 | 112 | 0.68 | +http://www.xovibot.net/ |
| 17 | 95 | 0.13 | 30 | 0.18 | Windows XP |
| 18 | 85 | 0.12 | 18 | 0.11 | Windows 98 |
| 19 | 73 | 0.10 | 18 | 0.11 | Windows 95 |
| 20 | 60 | 0.08 | 15 | 0.09 | +http://www.profound.net/domainappender |
| 21 | 31 | 0.04 | 7 | 0.04 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 22 | 26 | 0.04 | 7 | 0.04 | MSIE 5.5; Windows NT 5.0 |
| 23 | 24 | 0.03 | 3 | 0.02 | +http://www.seokicks.de/robot.html |
| 24 | 22 | 0.03 | 11 | 0.07 | +http://www.exabot.com/go/robot |
| 25 | 21 | 0.03 | 7 | 0.04 | Auto; Windows |
| 26 | 20 | 0.03 | 10 | 0.06 | +http://duckduckgo.com |
| 27 | 17 | 0.02 | 5 | 0.03 | Windows 3.1 |
| 28 | 14 | 0.02 | 5 | 0.03 | +spider@seoscanners.net |
| 29 | 12 | 0.02 | 1 | 0.01 | +https://www.dataprovider.com/ |
| 30 | 11 | 0.02 | 6 | 0.04 | ) - BrowseX (2.0.0 Windows |
| 31 | 8 | 0.01 | 0 | 0.00 | MSIE 5.5; Windows NT 5.1 |
| 32 | 6 | 0.01 | 1 | 0.01 | Linux [unknown version] |
| 33 | 5 | 0.01 | 3 | 0.02 | Windows CE |
| 34 | 5 | 0.01 | 4 | 0.02 | Windows ME |
| 35 | 4 | 0.01 | 3 | 0.02 | WinHttp.WinHttpRequest.5 |
| 36 | 3 | 0.00 | 2 | 0.01 | +http://sur.ly/bot.html |
| 37 | 3 | 0.00 | 1 | 0.01 | +http://prlog.ru/ |
| 38 | 3 | 0.00 | 1 | 0.01 | X11 |
| 39 | 3 | 0.00 | 1 | 0.01 | MSIE 5.5; Windows NT 4.0 |
| 40 | 2 | 0.00 | 2 | 0.01 | Windows 2000 |
| 41 | 2 | 0.00 | 0 | 0.00 | +https://www.mojeek.com/bot.html |
| 42 | 2 | 0.00 | 1 | 0.01 | +info@netcraft.com |
| 43 | 1 | 0.00 | 1 | 0.01 | J2ME/MIDP |
| 44 | 1 | 0.00 | 1 | 0.01 | http://nmap.org/book/nse.html |
| 45 | 1 | 0.00 | 1 | 0.01 | X11; Linux i686; de |
| 46 | 1 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 47 | 1 | 0.00 | 1 | 0.01 | S60 |
