| Used Operating Systems |
| 1 | 8444 | 48.08 | 171 | 3.60 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 2826 | 16.09 | 2353 | 49.56 | +http://www.baidu.com/search/spider.html |
| 3 | 1188 | 6.76 | 345 | 7.27 | Windows NT |
| 4 | 982 | 5.59 | 254 | 5.35 | +http://www.bing.com/bingbot.htm |
| 5 | 886 | 5.05 | 417 | 8.78 | +http://www.google.com/bot.html |
| 6 | 606 | 3.45 | 30 | 0.63 | http://mj12bot.com/ |
| 7 | 496 | 2.82 | 129 | 2.72 | +http://www.linkdex.com/bots/ |
| 8 | 231 | 1.32 | 43 | 0.91 | +http://www.semrush.com/bot.html |
| 9 | 148 | 0.84 | 60 | 1.26 | +http://yandex.com/bots |
| 10 | 141 | 0.80 | 19 | 0.40 | +http://napoveda.seznam.cz/en/seznambot-... |
| 11 | 135 | 0.77 | 30 | 0.63 | http://www.opensiteexplorer.org/dotbot, ... |
| 12 | 100 | 0.57 | 91 | 1.92 | Windows 9 |
| 13 | 99 | 0.56 | 87 | 1.83 | Windows 2005 |
| 14 | 98 | 0.56 | 92 | 1.94 | Windows 2004 |
| 15 | 93 | 0.53 | 35 | 0.74 | http://help.yahoo.com/help/us/ysearch/sl... |
| 16 | 89 | 0.51 | 83 | 1.75 | Windows 2003 |
| 17 | 84 | 0.48 | 8 | 0.17 | +http://webmeup-crawler.com/ |
| 18 | 83 | 0.47 | 70 | 1.47 | Windows 2008 |
| 19 | 82 | 0.47 | 77 | 1.62 | Windows 2006 |
| 20 | 80 | 0.46 | 75 | 1.58 | Windows 2007 |
| 21 | 75 | 0.43 | 25 | 0.53 | Windows XP |
| 22 | 74 | 0.42 | 69 | 1.45 | Windows 2002 |
| 23 | 69 | 0.39 | 47 | 0.99 | +http://www.uptime.com/uptimebot |
| 24 | 51 | 0.29 | 25 | 0.53 | +http://ahrefs.com/robot/ |
| 25 | 50 | 0.28 | 10 | 0.21 | +http://www.profound.net/domainappender |
| 26 | 45 | 0.26 | 5 | 0.11 | +http://www.seokicks.de/robot.html |
| 27 | 28 | 0.16 | 9 | 0.19 | Windows 95 |
| 28 | 24 | 0.14 | 6 | 0.13 | Windows 2000 |
| 29 | 24 | 0.14 | 8 | 0.17 | ) - BrowseX (2.0.0 Windows |
| 30 | 22 | 0.13 | 2 | 0.04 | +https://www.dataprovider.com/ |
| 31 | 22 | 0.13 | 11 | 0.23 | +http://www.exabot.com/go/robot |
| 32 | 21 | 0.12 | 7 | 0.15 | Windows 98 |
| 33 | 20 | 0.11 | 2 | 0.04 | +http://OpenLinkProfiler.org/bot |
| 34 | 20 | 0.11 | 2 | 0.04 | +http://megaindex.com/crawler |
| 35 | 18 | 0.10 | 5 | 0.11 | MSIE 5.5; Windows NT 5.0 |
| 36 | 15 | 0.09 | 5 | 0.11 | Auto; Windows |
| 37 | 14 | 0.08 | 5 | 0.11 | Windows CE |
| 38 | 12 | 0.07 | 4 | 0.08 | Windows 3.1 |
| 39 | 10 | 0.06 | 2 | 0.04 | +http://siteexplorer.info/ |
| 40 | 6 | 0.03 | 1 | 0.02 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 41 | 6 | 0.03 | 3 | 0.06 | +https://deusu.de/robot.html |
| 42 | 6 | 0.03 | 6 | 0.13 | +http://pmoz.info/doc/botinfo.htm |
| 43 | 6 | 0.03 | 2 | 0.04 | Windows ME |
| 44 | 6 | 0.03 | 4 | 0.08 | +info@netcraft.com |
| 45 | 5 | 0.03 | 2 | 0.04 | MSIE 5.5; Windows NT 4.0 |
| 46 | 4 | 0.02 | 2 | 0.04 | OSF1 V5.1 alpha |
| 47 | 4 | 0.02 | 2 | 0.04 | +http://duckduckgo.com |
| 48 | 2 | 0.01 | 1 | 0.02 | +http://www.scoutjet.com/ |
| 49 | 2 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 50 | 2 | 0.01 | 2 | 0.04 | http://nmap.org/book/nse.html |
| 51 | 2 | 0.01 | 2 | 0.04 | FreeBSD [unknown version] |
| 52 | 2 | 0.01 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 53 | 2 | 0.01 | 2 | 0.04 | +http://www.grapeshot.co.uk/crawler.php |
| 54 | 1 | 0.01 | 1 | 0.02 | Linux i686 [unknown version] |
