| Used Operating Systems |
| 1 | 24622 | 42.69 | 3622 | 38.95 | Windows NT |
| 2 | 17368 | 30.11 | 175 | 1.88 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 6604 | 11.45 | 3997 | 42.98 | +http://www.baidu.com/search/spider.html |
| 4 | 4638 | 8.04 | 273 | 2.94 | +http://ahrefs.com/robot/ |
| 5 | 1003 | 1.74 | 268 | 2.88 | +http://www.bing.com/bingbot.htm |
| 6 | 838 | 1.45 | 39 | 0.42 | Windows XP |
| 7 | 752 | 1.30 | 247 | 2.66 | http://www.opensiteexplorer.org/dotbot, ... |
| 8 | 621 | 1.08 | 306 | 3.29 | +http://www.google.com/bot.html |
| 9 | 208 | 0.36 | 63 | 0.68 | +http://www.linkdex.com/bots/ |
| 10 | 190 | 0.33 | 26 | 0.28 | +http://yandex.com/bots |
| 11 | 185 | 0.32 | 87 | 0.94 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 12 | 129 | 0.22 | 22 | 0.24 | +http://www.profound.net/domainappender |
| 13 | 89 | 0.15 | 34 | 0.37 | http://help.yahoo.com/help/us/ysearch/sl... |
| 14 | 64 | 0.11 | 42 | 0.45 | Windows 95 |
| 15 | 53 | 0.09 | 16 | 0.17 | Windows 98 |
| 16 | 52 | 0.09 | 2 | 0.02 | Linux i686 [unknown version] |
| 17 | 51 | 0.09 | 1 | 0.01 | Linux [unknown version] |
| 18 | 29 | 0.05 | 7 | 0.08 | +http://fulltext.sblog.cz/ |
| 19 | 23 | 0.04 | 5 | 0.05 | +http://www.semrush.com/bot.html |
| 20 | 19 | 0.03 | 1 | 0.01 | +http://www.seokicks.de/robot.html |
| 21 | 17 | 0.03 | 1 | 0.01 | +http://OpenLinkProfiler.org/bot |
| 22 | 16 | 0.03 | 1 | 0.01 | +http://megaindex.com/crawler |
| 23 | 15 | 0.03 | 7 | 0.08 | Windows 3.1 |
| 24 | 13 | 0.02 | 9 | 0.10 | Windows CE |
| 25 | 12 | 0.02 | 6 | 0.06 | +http://www.exabot.com/go/robot |
| 26 | 10 | 0.02 | 7 | 0.08 | MSIE 5.5; Windows NT 4.0 |
| 27 | 8 | 0.01 | 4 | 0.04 | ) - BrowseX (2.0.0 Windows |
| 28 | 8 | 0.01 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 29 | 8 | 0.01 | 4 | 0.04 | +http://duckduckgo.com |
| 30 | 5 | 0.01 | 5 | 0.05 | Windows 2000 |
| 31 | 5 | 0.01 | 5 | 0.05 | Windows ME |
| 32 | 5 | 0.01 | 5 | 0.05 | MSIE 5.5; Windows NT 5.0 |
| 33 | 4 | 0.01 | 2 | 0.02 | +http://sur.ly/bot.html |
| 34 | 4 | 0.01 | 3 | 0.03 | +info@netcraft.com |
| 35 | 4 | 0.01 | 0 | 0.00 | http://filterdb.iss.net/crawler/ |
| 36 | 3 | 0.01 | 3 | 0.03 | Auto; Windows |
| 37 | 2 | 0.00 | 2 | 0.02 | http://nmap.org/book/nse.html |
| 38 | 2 | 0.00 | 1 | 0.01 | +https://www.mojeek.com/bot.html |
| 39 | 2 | 0.00 | 1 | 0.01 | +http://www.meanpath.com/meanpathbot.htm... |
| 40 | 1 | 0.00 | 0 | 0.00 | AOL 9.7; AOLBuild 4346.13; Windows NT 6.... |
| 41 | 1 | 0.00 | 0 | 0.00 | AOL 9.7; AOLBuild 4346.1014; Windows NT ... |
