| Used Operating Systems |
| 1 | 9807 | 50.11 | 125 | 3.28 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 4317 | 22.06 | 1191 | 31.27 | Windows NT |
| 3 | 1522 | 7.78 | 361 | 9.48 | +http://www.bing.com/bingbot.htm |
| 4 | 1280 | 6.54 | 1052 | 27.62 | +http://www.baidu.com/search/spider.html |
| 5 | 1026 | 5.24 | 438 | 11.50 | +http://www.google.com/bot.html |
| 6 | 553 | 2.83 | 199 | 5.22 | +http://ahrefs.com/robot/ |
| 7 | 318 | 1.63 | 172 | 4.52 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 8 | 196 | 1.00 | 60 | 1.58 | +http://www.linkdex.com/bots/ |
| 9 | 97 | 0.50 | 46 | 1.21 | +http://yandex.com/bots |
| 10 | 60 | 0.31 | 10 | 0.26 | +http://www.profound.net/domainappender |
| 11 | 48 | 0.25 | 21 | 0.55 | http://www.opensiteexplorer.org/dotbot, ... |
| 12 | 43 | 0.22 | 19 | 0.50 | +http://www.exabot.com/go/robot |
| 13 | 39 | 0.20 | 13 | 0.34 | http://help.yahoo.com/help/us/ysearch/sl... |
| 14 | 30 | 0.15 | 12 | 0.32 | +http://www.semrush.com/bot.html |
| 15 | 28 | 0.14 | 24 | 0.63 | +http://www.xovibot.net/ |
| 16 | 28 | 0.14 | 5 | 0.13 | +http://fulltext.sblog.cz/ |
| 17 | 26 | 0.13 | 4 | 0.11 | +http://OpenLinkProfiler.org/bot |
| 18 | 19 | 0.10 | 15 | 0.39 | Windows 95 |
| 19 | 15 | 0.08 | 1 | 0.03 | http://www.searchmetrics.com/en/searchme... |
| 20 | 14 | 0.07 | 7 | 0.18 | +http://www.meanpath.com/meanpathbot.htm... |
| 21 | 13 | 0.07 | 1 | 0.03 | +https://www.lipperhey.com/en/about/ |
| 22 | 11 | 0.06 | 1 | 0.03 | Windows 98 |
| 23 | 10 | 0.05 | 2 | 0.05 | +https://www.mojeek.com/bot.html |
| 24 | 10 | 0.05 | 5 | 0.13 | +http://duckduckgo.com |
| 25 | 8 | 0.04 | 0 | 0.00 | MSIE 5.5; Windows NT 5.1 |
| 26 | 8 | 0.04 | 0 | 0.00 | http://filterdb.iss.net/crawler/ |
| 27 | 4 | 0.02 | 4 | 0.11 | +http://www.domaintuno.com/robot |
| 28 | 3 | 0.02 | 0 | 0.00 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 29 | 3 | 0.02 | 3 | 0.08 | Auto; Windows |
| 30 | 3 | 0.02 | 3 | 0.08 | Windows ME |
| 31 | 3 | 0.02 | 3 | 0.08 | MSIE 5.5; Windows NT 5.0 |
| 32 | 3 | 0.02 | 3 | 0.08 | ) - BrowseX (2.0.0 Windows |
| 33 | 3 | 0.02 | 0 | 0.00 | X11 |
| 34 | 3 | 0.02 | 2 | 0.05 | MSIE 5.5; Windows NT 4.0 |
| 35 | 2 | 0.01 | 2 | 0.05 | Windows CE |
| 36 | 2 | 0.01 | 1 | 0.03 | +http://crawler.seolytics.net/ |
| 37 | 2 | 0.01 | 0 | 0.00 | Windows XP |
| 38 | 2 | 0.01 | 1 | 0.03 | PPC Mac OS X Mach-O |
| 39 | 2 | 0.01 | 1 | 0.03 | +info@netcraft.com |
| 40 | 1 | 0.01 | 1 | 0.03 | Windows 2000 |
| 41 | 1 | 0.01 | 1 | 0.03 | OpenBSD [unknown version] |
| 42 | 1 | 0.01 | 0 | 0.00 | Windows 92 |
| 43 | 1 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 44 | 1 | 0.01 | 0 | 0.00 | NT4.0 |
| 45 | 1 | 0.01 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 46 | 1 | 0.01 | 0 | 0.00 | +http://siteexplorer.info/ |
| 47 | 1 | 0.01 | 0 | 0.00 | Android 2.3.5 |
