| Used Operating Systems |
| 1 | 11565 | 47.49 | 376 | 6.37 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 7192 | 29.53 | 3143 | 53.21 | Windows NT |
| 3 | 1453 | 5.97 | 1207 | 20.43 | +http://www.baidu.com/search/spider.html |
| 4 | 988 | 4.06 | 54 | 0.91 | Windows 98 |
| 5 | 940 | 3.86 | 120 | 2.03 | +http://yandex.com/bots |
| 6 | 656 | 2.69 | 339 | 5.74 | +http://www.bing.com/bingbot.htm |
| 7 | 450 | 1.85 | 150 | 2.54 | +http://www.google.com/bot.html |
| 8 | 324 | 1.33 | 244 | 4.13 | +http://www.linkdex.com/bots/ |
| 9 | 271 | 1.11 | 96 | 1.63 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 10 | 145 | 0.60 | 55 | 0.93 | http://www.opensiteexplorer.org/dotbot, ... |
| 11 | 47 | 0.19 | 17 | 0.29 | X11 |
| 12 | 47 | 0.19 | 17 | 0.29 | +http://www.exabot.com/go/robot |
| 13 | 24 | 0.10 | 8 | 0.14 | http://help.yahoo.com/help/us/ysearch/sl... |
| 14 | 23 | 0.09 | 5 | 0.08 | +http://fulltext.sblog.cz/ |
| 15 | 22 | 0.09 | 7 | 0.12 | Android 2.3.5 |
| 16 | 20 | 0.08 | 2 | 0.03 | +http://www.profound.net/urlappendbot.ht... |
| 17 | 20 | 0.08 | 2 | 0.03 | +http://endb-consolidated.aihit.com/ |
| 18 | 18 | 0.07 | 1 | 0.02 | +http://www.easou.com/search/spider.html |
| 19 | 17 | 0.07 | 8 | 0.14 | +http://ahrefs.com/robot/ |
| 20 | 12 | 0.05 | 8 | 0.14 | MSIE 5.5; Windows NT 5.0 |
| 21 | 10 | 0.04 | 0 | 0.00 | Linux [unknown version] |
| 22 | 10 | 0.04 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 23 | 9 | 0.04 | 1 | 0.02 | +http://OpenLinkProfiler.org/bot |
| 24 | 8 | 0.03 | 4 | 0.07 | +http://botw.org |
| 25 | 7 | 0.03 | 7 | 0.12 | +http://pmoz.info/doc/botinfo.htm |
| 26 | 6 | 0.02 | 3 | 0.05 | http://crawler.sistrix.net/ |
| 27 | 6 | 0.02 | 0 | 0.00 | http://filterdb.iss.net/crawler/ |
| 28 | 5 | 0.02 | 1 | 0.02 | +http://p4load.com/ |
| 29 | 5 | 0.02 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 30 | 5 | 0.02 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 31 | 5 | 0.02 | 3 | 0.05 | Linux i686 [unknown version] |
| 32 | 4 | 0.02 | 2 | 0.03 | http://linkfluence.net/; bot@linkfluence... |
| 33 | 4 | 0.02 | 2 | 0.03 | Linux 2.4.x |
| 34 | 4 | 0.02 | 2 | 0.03 | +http://help.coccoc.com/ |
| 35 | 4 | 0.02 | 4 | 0.07 | +http://tweetmeme.com/ |
| 36 | 4 | 0.02 | 2 | 0.03 | +http://www.meanpath.com/meanpathbot.htm... |
| 37 | 3 | 0.01 | 1 | 0.02 | Windows 95 |
| 38 | 3 | 0.01 | 2 | 0.03 | +info@netcraft.com |
| 39 | 3 | 0.01 | 3 | 0.05 | MSIE 5.5; Windows NT 4.0 |
| 40 | 2 | 0.01 | 2 | 0.03 | Windows 2000 |
| 41 | 2 | 0.01 | 2 | 0.03 | Auto; Windows |
| 42 | 2 | 0.01 | 2 | 0.03 | +http://136.186.231.16 |
| 43 | 2 | 0.01 | 2 | 0.03 | +http://www.linkpad.ru |
| 44 | 2 | 0.01 | 1 | 0.02 | +http://www.semrush.com/bot.html |
| 45 | 2 | 0.01 | 1 | 0.02 | +http://zemlyaozer.com/bot |
| 46 | 1 | 0.00 | 0 | 0.00 | Macintosh PPC |
| 47 | 1 | 0.00 | 0 | 0.00 | Win32 |
| 48 | 1 | 0.00 | 1 | 0.02 | +http://wmaid.com/explore/ |
