| Used Operating Systems |
| 1 | 21115 | 35.37 | 729 | 8.02 | +http://yandex.com/bots |
| 2 | 12113 | 20.29 | 424 | 4.66 | http://www.opensiteexplorer.org/dotbot, ... |
| 3 | 11785 | 19.74 | 147 | 1.62 | http://mj12bot.com/ |
| 4 | 3340 | 5.59 | 885 | 9.73 | Windows NT |
| 5 | 2808 | 4.70 | 2559 | 28.14 | +http://www.baidu.com/search/spider.html |
| 6 | 1978 | 3.31 | 1068 | 11.74 | +http://www.google.com/bot.html |
| 7 | 1169 | 1.96 | 12 | 0.13 | http://www.majestic12.co.uk/bot.php?+ |
| 8 | 827 | 1.39 | 299 | 3.29 | +http://www.bing.com/bingbot.htm |
| 9 | 387 | 0.65 | 110 | 1.21 | +http://www.linkdex.com/bots/ |
| 10 | 320 | 0.54 | 306 | 3.36 | Windows 2005 |
| 11 | 303 | 0.51 | 292 | 3.21 | Windows 2002 |
| 12 | 296 | 0.50 | 284 | 3.12 | Windows 2007 |
| 13 | 294 | 0.49 | 279 | 3.07 | Windows 2006 |
| 14 | 288 | 0.48 | 274 | 3.01 | Windows 9 |
| 15 | 285 | 0.48 | 273 | 3.00 | Windows 2008 |
| 16 | 283 | 0.47 | 273 | 3.00 | Windows 2004 |
| 17 | 278 | 0.47 | 268 | 2.95 | Windows 2003 |
| 18 | 251 | 0.42 | 123 | 1.35 | http://help.yahoo.com/help/us/ysearch/sl... |
| 19 | 221 | 0.37 | 18 | 0.20 | +http://www.semrush.com/bot.html |
| 20 | 192 | 0.32 | 3 | 0.03 | +http://OpenLinkProfiler.org/bot |
| 21 | 138 | 0.23 | 80 | 0.88 | Windows 95 |
| 22 | 132 | 0.22 | 7 | 0.08 | +http://siteexplorer.info/Backlink-Check... |
| 23 | 126 | 0.21 | 2 | 0.02 | +http://megaindex.com/crawler |
| 24 | 122 | 0.20 | 92 | 1.01 | +http://ahrefs.com/robot/ |
| 25 | 69 | 0.12 | 64 | 0.70 | +http://www.uptime.com/uptimebot |
| 26 | 67 | 0.11 | 21 | 0.23 | +https://www.mojeek.com/bot.html |
| 27 | 65 | 0.11 | 15 | 0.16 | Windows 98 |
| 28 | 61 | 0.10 | 30 | 0.33 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 29 | 60 | 0.10 | 1 | 0.01 | +http://www.linkpad.ru |
| 30 | 55 | 0.09 | 13 | 0.14 | Windows XP |
| 31 | 28 | 0.05 | 17 | 0.19 | Windows 2000 |
| 32 | 27 | 0.05 | 16 | 0.18 | MSIE 5.5; Windows NT 5.0 |
| 33 | 26 | 0.04 | 19 | 0.21 | MSIE 5.5; Windows NT 4.0 |
| 34 | 24 | 0.04 | 2 | 0.02 | J2ME/MIDP |
| 35 | 23 | 0.04 | 19 | 0.21 | ) - BrowseX (2.0.0 Windows |
| 36 | 21 | 0.04 | 15 | 0.16 | Windows 3.1 |
| 37 | 19 | 0.03 | 13 | 0.14 | Windows ME |
| 38 | 18 | 0.03 | 2 | 0.02 | +http://www.seokicks.de/robot.html |
| 39 | 17 | 0.03 | 12 | 0.13 | Auto; Windows |
| 40 | 16 | 0.03 | 0 | 0.00 | +http://napoveda.seznam.cz/en/seznambot-... |
| 41 | 13 | 0.02 | 7 | 0.08 | +http://www.exabot.com/go/robot |
| 42 | 11 | 0.02 | 8 | 0.09 | Windows CE |
| 43 | 7 | 0.01 | 4 | 0.04 | +https://deusu.de/robot.html |
| 44 | 6 | 0.01 | 3 | 0.03 | +http://duckduckgo.com |
| 45 | 6 | 0.01 | 2 | 0.02 | +http://www.profound.net/domainappender |
| 46 | 2 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 47 | 2 | 0.00 | 1 | 0.01 | http://www.botje.com/plukkie.htm |
| 48 | 2 | 0.00 | 1 | 0.01 | +info@netcraft.com |
| 49 | 1 | 0.00 | 1 | 0.01 | +http://sur.ly/bot.html |
| 50 | 1 | 0.00 | 1 | 0.01 | http://nmap.org/book/nse.html |
| 51 | 1 | 0.00 | 0 | 0.00 | Linux i686 [unknown version] |
