| Used Operating Systems |
| 1 | 8264 | 33.70 | 115 | 1.93 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 4524 | 18.45 | 1960 | 32.95 | Windows NT |
| 3 | 3124 | 12.74 | 246 | 4.14 | +http://ahrefs.com/robot/ |
| 4 | 2653 | 10.82 | 2279 | 38.32 | +http://www.baidu.com/search/spider.html |
| 5 | 1451 | 5.92 | 304 | 5.11 | +http://www.bing.com/bingbot.htm |
| 6 | 1219 | 4.97 | 8 | 0.13 | +http://OpenLinkProfiler.org/bot |
| 7 | 627 | 2.56 | 23 | 0.39 | +http://fulltext.sblog.cz/ |
| 8 | 538 | 2.19 | 6 | 0.10 | +http://www.warebay.com/bot.html |
| 9 | 383 | 1.56 | 175 | 2.94 | +http://www.google.com/bot.html |
| 10 | 318 | 1.30 | 135 | 2.27 | +http://www.xovibot.net/ |
| 11 | 272 | 1.11 | 130 | 2.19 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 12 | 257 | 1.05 | 115 | 1.93 | http://help.yahoo.com/help/us/ysearch/sl... |
| 13 | 178 | 0.73 | 55 | 0.92 | +http://www.linkdex.com/bots/ |
| 14 | 137 | 0.56 | 89 | 1.50 | Windows 95 |
| 15 | 84 | 0.34 | 16 | 0.27 | Windows 98 |
| 16 | 58 | 0.24 | 23 | 0.39 | http://www.opensiteexplorer.org/dotbot, ... |
| 17 | 39 | 0.16 | 39 | 0.66 | +http://warifort.moykrest.ru/ |
| 18 | 34 | 0.14 | 17 | 0.29 | +http://duckduckgo.com |
| 19 | 33 | 0.13 | 19 | 0.32 | Windows 3.1 |
| 20 | 32 | 0.13 | 20 | 0.34 | Windows 2000 |
| 21 | 32 | 0.13 | 14 | 0.24 | +http://yandex.com/bots |
| 22 | 31 | 0.13 | 31 | 0.52 | +http://monasterytea.spbdyet.ru |
| 23 | 28 | 0.11 | 9 | 0.15 | Windows XP |
| 24 | 27 | 0.11 | 23 | 0.39 | MSIE 5.5; Windows NT 4.0 |
| 25 | 21 | 0.09 | 15 | 0.25 | Windows CE |
| 26 | 21 | 0.09 | 13 | 0.22 | Auto; Windows |
| 27 | 17 | 0.07 | 15 | 0.25 | Windows ME |
| 28 | 17 | 0.07 | 2 | 0.03 | X11 |
| 29 | 16 | 0.07 | 11 | 0.18 | ) - BrowseX (2.0.0 Windows |
| 30 | 15 | 0.06 | 13 | 0.22 | MSIE 5.5; Windows NT 5.0 |
| 31 | 13 | 0.05 | 4 | 0.07 | +http://www.semrush.com/bot.html |
| 32 | 10 | 0.04 | 5 | 0.08 | +http://www.meanpath.com/meanpathbot.htm... |
| 33 | 9 | 0.04 | 1 | 0.02 | +https://www.lipperhey.com/en/about/ |
| 34 | 6 | 0.02 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 35 | 5 | 0.02 | 3 | 0.05 | +http://www.exabot.com/go/robot |
| 36 | 4 | 0.02 | 2 | 0.03 | http://www.searchmetrics.com/en/searchme... |
| 37 | 4 | 0.02 | 2 | 0.03 | Android 2.3.5 |
| 38 | 4 | 0.02 | 4 | 0.07 | +http://domainsigma.com/robot |
| 39 | 2 | 0.01 | 2 | 0.03 | +https://gimmeusa.com/pages/crawler |
| 40 | 2 | 0.01 | 1 | 0.02 | +https://www.mojeek.com/bot.html |
| 41 | 2 | 0.01 | 1 | 0.02 | +info@netcraft.com |
| 42 | 2 | 0.01 | 0 | 0.00 | http://filterdb.iss.net/crawler/ |
| 43 | 1 | 0.00 | 0 | 0.00 | Android |
| 44 | 1 | 0.00 | 0 | 0.00 | +http://www.seograph.net/bot.html |
| 45 | 1 | 0.00 | 1 | 0.02 | Linux i686 [unknown version] |
| 46 | 1 | 0.00 | 1 | 0.02 | Linux [unknown version] |
| 47 | 1 | 0.00 | 0 | 0.00 | Nintendo Wii |
| 48 | 1 | 0.00 | 1 | 0.02 | +http://www.grapeshot.co.uk/crawler.php |
