| Used Operating Systems |
| 1 | 9174 | 58.26 | 218 | 5.81 | http://mj12bot.com/ |
| 2 | 945 | 6.00 | 310 | 8.26 | Windows NT |
| 3 | 762 | 4.84 | 248 | 6.61 | +http://www.bing.com/bingbot.htm |
| 4 | 713 | 4.53 | 542 | 14.44 | +http://www.baidu.com/search/spider.html |
| 5 | 402 | 2.55 | 174 | 4.64 | +http://www.google.com/bot.html |
| 6 | 321 | 2.04 | 111 | 2.96 | +http://yandex.com/bots |
| 7 | 285 | 1.81 | 93 | 2.48 | +http://www.linkdex.com/bots/ |
| 8 | 242 | 1.54 | 227 | 6.05 | Windows 2008 |
| 9 | 231 | 1.47 | 222 | 5.92 | Windows 2003 |
| 10 | 231 | 1.47 | 217 | 5.78 | Windows 2005 |
| 11 | 230 | 1.46 | 214 | 5.70 | Windows 2007 |
| 12 | 221 | 1.40 | 84 | 2.24 | +http://www.pinterest.com/bot.html |
| 13 | 221 | 1.40 | 17 | 0.45 | +http://napoveda.seznam.cz/en/seznambot-... |
| 14 | 217 | 1.38 | 203 | 5.41 | Windows 2002 |
| 15 | 199 | 1.26 | 190 | 5.06 | Windows 9 |
| 16 | 191 | 1.21 | 71 | 1.89 | http://www.opensiteexplorer.org/dotbot, ... |
| 17 | 182 | 1.16 | 174 | 4.64 | Windows 2006 |
| 18 | 180 | 1.14 | 171 | 4.56 | Windows 2004 |
| 19 | 140 | 0.89 | 35 | 0.93 | +http://www.semrush.com/bot.html |
| 20 | 117 | 0.74 | 39 | 1.04 | Windows XP |
| 21 | 78 | 0.50 | 33 | 0.88 | Windows 95 |
| 22 | 60 | 0.38 | 6 | 0.16 | +http://OpenLinkProfiler.org/bot |
| 23 | 56 | 0.36 | 25 | 0.67 | +http://ahrefs.com/robot/ |
| 24 | 45 | 0.29 | 5 | 0.13 | +http://www.seokicks.de/robot.html |
| 25 | 30 | 0.19 | 10 | 0.27 | Windows 98 |
| 26 | 29 | 0.18 | 11 | 0.29 | Windows 2000 |
| 27 | 20 | 0.13 | 6 | 0.16 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 28 | 20 | 0.13 | 3 | 0.08 | +centurybot9@gmail.com |
| 29 | 18 | 0.11 | 7 | 0.19 | http://help.yahoo.com/help/us/ysearch/sl... |
| 30 | 17 | 0.11 | 7 | 0.19 | MSIE 5.5; Windows NT 5.0 |
| 31 | 16 | 0.10 | 7 | 0.19 | Windows 3.1 |
| 32 | 14 | 0.09 | 7 | 0.19 | +http://duckduckgo.com |
| 33 | 12 | 0.08 | 4 | 0.11 | MSIE 5.5; Windows NT 4.0 |
| 34 | 10 | 0.06 | 4 | 0.11 | Windows CE |
| 35 | 10 | 0.06 | 10 | 0.27 | +http://glutenfreepleasure.com/ |
| 36 | 9 | 0.06 | 9 | 0.24 | +http://www.uptime.com/uptimebot |
| 37 | 9 | 0.06 | 1 | 0.03 | Linux i586 [unknown version] |
| 38 | 8 | 0.05 | 4 | 0.11 | +https://deusu.de/robot.html |
| 39 | 8 | 0.05 | 4 | 0.11 | +http://cliqz.com/company/cliqzbot |
| 40 | 8 | 0.05 | 4 | 0.11 | +info@netcraft.com |
| 41 | 8 | 0.05 | 8 | 0.21 | +http://alphaseobot.com/bot.html |
| 42 | 8 | 0.05 | 0 | 0.00 | X11 |
| 43 | 7 | 0.04 | 0 | 0.00 | +http://siteexplorer.info/Backlink-Check... |
| 44 | 6 | 0.04 | 3 | 0.08 | +https://www.mojeek.com/bot.html |
| 45 | 6 | 0.04 | 2 | 0.05 | +http://prlog.ru/ |
| 46 | 4 | 0.03 | 2 | 0.05 | Windows ME |
| 47 | 4 | 0.03 | 2 | 0.05 | +http://www.findxbot.com |
| 48 | 4 | 0.03 | 4 | 0.11 | WinHttp.WinHttpRequest.5 |
| 49 | 4 | 0.03 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 50 | 4 | 0.03 | 2 | 0.05 | +http://www.grapeshot.co.uk/crawler.php |
| 51 | 3 | 0.02 | 0 | 0.00 | https://nmap.org/book/nse.html |
| 52 | 3 | 0.02 | 0 | 0.00 | +https://extlinks.com/Bot.html |
| 53 | 2 | 0.01 | 0 | 0.00 | Windows CE; Trident/3.1 |
| 54 | 2 | 0.01 | 1 | 0.03 | Linux i686 [unknown version] |
| 55 | 1 | 0.01 | 1 | 0.03 | +http://pmoz.info/doc/botinfo.htm |
| 56 | 1 | 0.01 | 1 | 0.03 | Auto; Windows |
