| Used Operating Systems |
| 1 | 24338 | 62.75 | 230 | 7.88 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 7741 | 19.96 | 1241 | 42.51 | Windows NT |
| 3 | 1252 | 3.23 | 509 | 17.44 | +http://www.baidu.com/search/spider.html |
| 4 | 1228 | 3.17 | 2 | 0.07 | +http://archive-no.com/bot |
| 5 | 1180 | 3.04 | 348 | 11.92 | +http://www.google.com/bot.html |
| 6 | 848 | 2.19 | 200 | 6.85 | +http://ahrefs.com/robot/ |
| 7 | 476 | 1.23 | 12 | 0.41 | +http://OpenLinkProfiler.org/bot |
| 8 | 425 | 1.10 | 59 | 2.02 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 9 | 326 | 0.84 | 35 | 1.20 | +http://www.bing.com/bingbot.htm |
| 10 | 203 | 0.52 | 69 | 2.36 | +http://www.linkdex.com/bots/ |
| 11 | 180 | 0.46 | 4 | 0.14 | +http://siteexplorer.info/ |
| 12 | 134 | 0.35 | 53 | 1.82 | +http://yandex.com/bots |
| 13 | 83 | 0.21 | 28 | 0.96 | http://help.yahoo.com/help/us/ysearch/sl... |
| 14 | 80 | 0.21 | 14 | 0.48 | +http://www.exabot.com/go/robot |
| 15 | 59 | 0.15 | 59 | 2.02 | +http://warifort.moykrest.ru/ |
| 16 | 38 | 0.10 | 17 | 0.58 | http://www.opensiteexplorer.org/dotbot, ... |
| 17 | 28 | 0.07 | 0 | 0.00 | http://filterdb.iss.net/crawler/ |
| 18 | 25 | 0.06 | 1 | 0.03 | +http://www.seokicks.de/robot.html |
| 19 | 24 | 0.06 | 2 | 0.07 | +https://www.lipperhey.com/en/about/ |
| 20 | 16 | 0.04 | 4 | 0.14 | Linux i686 [unknown version] |
| 21 | 16 | 0.04 | 16 | 0.55 | +http://monasterytea.spbdyet.ru |
| 22 | 14 | 0.04 | 7 | 0.24 | +http://www.meanpath.com/meanpathbot.htm... |
| 23 | 12 | 0.03 | 2 | 0.07 | +http://www.seograph.net/bot.html |
| 24 | 9 | 0.02 | 1 | 0.03 | +http://filterdb.iss.net/crawler/ |
| 25 | 9 | 0.02 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 26 | 7 | 0.02 | 1 | 0.03 | crawler@mixrank.com |
| 27 | 6 | 0.02 | 0 | 0.00 | +http://www.xovibot.net/ |
| 28 | 6 | 0.02 | 2 | 0.07 | Windows 98 |
| 29 | 5 | 0.01 | 1 | 0.03 | Linux [unknown version] |
| 30 | 4 | 0.01 | 2 | 0.07 | +https://www.mojeek.com/bot.html |
| 31 | 4 | 0.01 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 32 | 4 | 0.01 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 33 | 2 | 0.01 | 0 | 0.00 | J2ME/MIDP |
| 34 | 2 | 0.01 | 0 | 0.00 | S60 |
| 35 | 2 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 36 | 2 | 0.01 | 0 | 0.00 | Windows 9x |
