| Used Operating Systems |
| 1 | 2864 | 25.99 | 983 | 21.19 | Windows NT |
| 2 | 1740 | 15.79 | 1678 | 36.16 | +http://www.baidu.com/search/spider.html |
| 3 | 1223 | 11.10 | 633 | 13.64 | +http://www.google.com/bot.html |
| 4 | 899 | 8.16 | 327 | 7.05 | http://www.opensiteexplorer.org/dotbot, ... |
| 5 | 872 | 7.91 | 338 | 7.28 | +http://www.bing.com/bingbot.htm |
| 6 | 460 | 4.17 | 58 | 1.25 | http://www.majestic12.co.uk/bot.php?+ |
| 7 | 347 | 3.15 | 216 | 4.66 | http://help.yahoo.com/help/us/ysearch/sl... |
| 8 | 319 | 2.89 | 127 | 2.74 | +http://ahrefs.com/robot/ |
| 9 | 295 | 2.68 | 79 | 1.70 | +http://yandex.com/bots |
| 10 | 238 | 2.16 | 15 | 0.32 | +http://www.semrush.com/bot.html |
| 11 | 230 | 2.09 | 1 | 0.02 | +http://www.seokicks.de/robot.html |
| 12 | 227 | 2.06 | 1 | 0.02 | +http://OpenLinkProfiler.org/bot |
| 13 | 227 | 2.06 | 1 | 0.02 | +http://megaindex.com/crawler |
| 14 | 217 | 1.97 | 4 | 0.09 | Linux [unknown version] |
| 15 | 164 | 1.49 | 35 | 0.75 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 16 | 133 | 1.21 | 2 | 0.04 | Android |
| 17 | 124 | 1.13 | 1 | 0.02 | +http://webmeup-crawler.com/ |
| 18 | 117 | 1.06 | 13 | 0.28 | http://www.searchmetrics.com/en/searchme... |
| 19 | 97 | 0.88 | 46 | 0.99 | +http://www.linkdex.com/bots/ |
| 20 | 39 | 0.35 | 11 | 0.24 | Windows XP |
| 21 | 28 | 0.25 | 10 | 0.22 | Windows 95 |
| 22 | 26 | 0.24 | 14 | 0.30 | +http://www.exabot.com/go/robot |
| 23 | 25 | 0.23 | 7 | 0.15 | Windows 98 |
| 24 | 25 | 0.23 | 1 | 0.02 | +http://fulltext.sblog.cz/ |
| 25 | 12 | 0.11 | 7 | 0.15 | +https://deusu.de/robot.html |
| 26 | 9 | 0.08 | 2 | 0.04 | MSIE 5.5; Windows NT 5.0 |
| 27 | 7 | 0.06 | 3 | 0.06 | Linux i686 [unknown version] |
| 28 | 6 | 0.05 | 5 | 0.11 | Linux i586 [unknown version] |
| 29 | 6 | 0.05 | 3 | 0.06 | +http://duckduckgo.com |
| 30 | 5 | 0.05 | 2 | 0.04 | Windows CE |
| 31 | 5 | 0.05 | 2 | 0.04 | Auto; Windows |
| 32 | 5 | 0.05 | 0 | 0.00 | Windows 9x |
| 33 | 5 | 0.05 | 2 | 0.04 | MSIE 5.5; Windows NT 4.0 |
| 34 | 4 | 0.04 | 4 | 0.09 | +http://www.xovibot.net/ |
| 35 | 4 | 0.04 | 2 | 0.04 | +http://www.meanpath.com/meanpathbot.htm... |
| 36 | 3 | 0.03 | 1 | 0.02 | Windows ME |
| 37 | 2 | 0.02 | 2 | 0.04 | http://nmap.org/book/nse.html |
| 38 | 2 | 0.02 | 1 | 0.02 | +info@netcraft.com |
| 39 | 2 | 0.02 | 0 | 0.00 | +http://corp.sputnik.ru/webmaster |
| 40 | 2 | 0.02 | 0 | 0.00 | HP-UX 9000/785 |
| 41 | 2 | 0.02 | 2 | 0.04 | +http://domainsigma.com/robot |
| 42 | 1 | 0.01 | 0 | 0.00 | OpenBSD [unknown version] |
| 43 | 1 | 0.01 | 1 | 0.02 | +http://glutenfreepleasure.com/ |
| 44 | 1 | 0.01 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 45 | 1 | 0.01 | 0 | 0.00 | +http://nlp.fi.muni.cz/projects/biwec/ |
