| Used Operating Systems |
| 1 | 5392 | 23.95 | 475 | 7.88 | http://www.opensiteexplorer.org/dotbot, ... |
| 2 | 4952 | 22.00 | 104 | 1.72 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 4206 | 18.68 | 1515 | 25.13 | Windows NT |
| 4 | 2477 | 11.00 | 2364 | 39.21 | +http://www.baidu.com/search/spider.html |
| 5 | 1171 | 5.20 | 198 | 3.28 | +http://yandex.com/bots |
| 6 | 1137 | 5.05 | 448 | 7.43 | +http://www.bing.com/bingbot.htm |
| 7 | 960 | 4.26 | 457 | 7.58 | +http://www.google.com/bot.html |
| 8 | 477 | 2.12 | 138 | 2.29 | http://help.yahoo.com/help/us/ysearch/sl... |
| 9 | 262 | 1.16 | 56 | 0.93 | +http://www.linkdex.com/bots/ |
| 10 | 256 | 1.14 | 4 | 0.07 | +http://OpenLinkProfiler.org/bot |
| 11 | 195 | 0.87 | 88 | 1.46 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 12 | 174 | 0.77 | 6 | 0.10 | J2ME/MIDP |
| 13 | 151 | 0.67 | 2 | 0.03 | Linux [unknown version] |
| 14 | 136 | 0.60 | 2 | 0.03 | +http://webmeup-crawler.com/ |
| 15 | 128 | 0.57 | 3 | 0.05 | +http://megaindex.com/crawler |
| 16 | 107 | 0.48 | 10 | 0.17 | Windows Phone OS 7.5 |
| 17 | 39 | 0.17 | 33 | 0.55 | +http://ahrefs.com/robot/ |
| 18 | 32 | 0.14 | 4 | 0.07 | Android |
| 19 | 30 | 0.13 | 16 | 0.27 | Windows 98 |
| 20 | 25 | 0.11 | 18 | 0.30 | Windows 95 |
| 21 | 24 | 0.11 | 12 | 0.20 | +http://help.coccoc.com/ |
| 22 | 24 | 0.11 | 3 | 0.05 | +http://fulltext.sblog.cz/ |
| 23 | 23 | 0.10 | 8 | 0.13 | Windows XP |
| 24 | 22 | 0.10 | 4 | 0.07 | X11 |
| 25 | 21 | 0.09 | 12 | 0.20 | +http://www.exabot.com/go/robot |
| 26 | 11 | 0.05 | 3 | 0.05 | Android 2.3.5 |
| 27 | 10 | 0.04 | 5 | 0.08 | +http://duckduckgo.com |
| 28 | 8 | 0.04 | 4 | 0.07 | MSIE 5.5; Windows NT 4.0 |
| 29 | 8 | 0.04 | 4 | 0.07 | +http://www.meanpath.com/meanpathbot.htm... |
| 30 | 6 | 0.03 | 3 | 0.05 | http://www.botje.com/plukkie.htm |
| 31 | 6 | 0.03 | 4 | 0.07 | Windows 3.1 |
| 32 | 6 | 0.03 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 33 | 4 | 0.02 | 2 | 0.03 | Windows 2000 |
| 34 | 4 | 0.02 | 2 | 0.03 | Windows CE |
| 35 | 4 | 0.02 | 2 | 0.03 | +https://deusu.de/robot.html |
| 36 | 4 | 0.02 | 2 | 0.03 | MSIE 5.5; Windows NT 5.0 |
| 37 | 4 | 0.02 | 4 | 0.07 | ) - BrowseX (2.0.0 Windows |
| 38 | 3 | 0.01 | 3 | 0.05 | +http://www.uptime.com/uptimebot |
| 39 | 2 | 0.01 | 2 | 0.03 | +http://www.privacyaware.org |
| 40 | 2 | 0.01 | 2 | 0.03 | Windows ME |
| 41 | 2 | 0.01 | 1 | 0.02 | +info@netcraft.com |
| 42 | 2 | 0.01 | 1 | 0.02 | +http://www.findxbot.com |
| 43 | 1 | 0.00 | 1 | 0.02 | Auto; Windows |
| 44 | 1 | 0.00 | 1 | 0.02 | +http://pmoz.info/doc/botinfo.htm |
| 45 | 1 | 0.00 | 1 | 0.02 | +https://www.wslta.com/WoTBoT.html |
| 46 | 1 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 47 | 1 | 0.00 | 1 | 0.02 | http://nmap.org/book/nse.html |
| 48 | 1 | 0.00 | 1 | 0.02 | Linux i686 [unknown version] |
