| Used Operating Systems by Visits |
| 1 | 3211 | 15.01 | 1596 | 37.35 | +http://www.baidu.com/search/spider.html |
| 2 | 5165 | 24.14 | 1202 | 28.13 | Windows NT |
| 3 | 1631 | 7.62 | 426 | 9.97 | +http://www.bing.com/bingbot.htm |
| 4 | 2055 | 9.60 | 393 | 9.20 | +http://www.google.com/bot.html |
| 5 | 6352 | 29.69 | 224 | 5.24 | http://www.majestic12.co.uk/bot.php?+ |
| 6 | 432 | 2.02 | 60 | 1.40 | http://www.opensiteexplorer.org/dotbot, ... |
| 7 | 424 | 1.98 | 58 | 1.36 | help@moz.com |
| 8 | 458 | 2.14 | 55 | 1.29 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 9 | 810 | 3.79 | 48 | 1.12 | +http://yandex.com/bots |
| 10 | 161 | 0.75 | 48 | 1.12 | +http://www.exabot.com/go/robot |
| 11 | 131 | 0.61 | 47 | 1.10 | +http://www.linkdex.com/bots/ |
| 12 | 252 | 1.18 | 30 | 0.70 | http://help.yahoo.com/help/us/ysearch/sl... |
| 13 | 42 | 0.20 | 14 | 0.33 | +http://www.linkdex.com/about/bots/ |
| 14 | 32 | 0.15 | 9 | 0.21 | MSIE 5.5; Windows NT 5.0 |
| 15 | 16 | 0.07 | 8 | 0.19 | http://crawler.sistrix.net/ |
| 16 | 18 | 0.08 | 6 | 0.14 | +http://www.profound.net/urlappendbot.ht... |
| 17 | 6 | 0.03 | 5 | 0.12 | +http://pmoz.info/doc/botinfo.htm |
| 18 | 15 | 0.07 | 5 | 0.12 | +http://fulltext.sblog.cz/ |
| 19 | 10 | 0.05 | 4 | 0.09 | +info@netcraft.com |
| 20 | 16 | 0.07 | 4 | 0.09 | Linux i686 [unknown version] |
| 21 | 6 | 0.03 | 3 | 0.07 | +http://OpenLinkProfiler.org/bot |
| 22 | 3 | 0.01 | 2 | 0.05 | Windows 2000 |
| 23 | 14 | 0.07 | 2 | 0.05 | +http://p4load.com/ |
| 24 | 16 | 0.07 | 2 | 0.05 | +http://ahrefs.com/robot/ |
| 25 | 2 | 0.01 | 2 | 0.05 | Linux [unknown version] |
| 26 | 23 | 0.11 | 2 | 0.05 | Windows 99 |
| 27 | 2 | 0.01 | 2 | 0.05 | Windows 95 |
| 28 | 4 | 0.02 | 2 | 0.05 | +http://www.seokicks.de/robot.html |
| 29 | 4 | 0.02 | 2 | 0.05 | +http://botw.org |
| 30 | 5 | 0.02 | 2 | 0.05 | ScoutJet; +http://blekko.com/about/blekk... |
| 31 | 4 | 0.02 | 2 | 0.05 | +http://www.meanpath.com/meanpathbot.htm... |
| 32 | 14 | 0.07 | 2 | 0.05 | +http://u12files.com/ |
| 33 | 4 | 0.02 | 1 | 0.02 | Linux 2.4.x |
| 34 | 2 | 0.01 | 1 | 0.02 | http://webagent.wise-guys.nl/ |
| 35 | 21 | 0.10 | 1 | 0.02 | +http://endb-consolidated.aihit.com/ |
| 36 | 3 | 0.01 | 1 | 0.02 | +http://webmeup-crawler.com/ |
| 37 | 1 | 0.00 | 1 | 0.02 | ) - BrowseX (2.0.0 Windows |
| 38 | 2 | 0.01 | 1 | 0.02 | +http://www.grapeshot.co.uk/crawler.php |
| 39 | 1 | 0.00 | 0 | 0.00 | +http://www.proximic.com/info/spider.php |
| 40 | 4 | 0.02 | 0 | 0.00 | Win32 |
| 41 | 2 | 0.01 | 0 | 0.00 | Intel Mac OS X 10.4 |
| 42 | 14 | 0.07 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 43 | 6 | 0.03 | 0 | 0.00 | Windows 9. |
| 44 | 3 | 0.01 | 0 | 0.00 | Windows 98 |
| 45 | 1 | 0.00 | 0 | 0.00 | PPC Mac OS X Mach-O |
