| Used Operating Systems |
| 1 | 3442 | 34.72 | 2074 | 43.98 | Windows NT |
| 2 | 1360 | 13.72 | 939 | 19.91 | +http://www.baidu.com/search/spider.html |
| 3 | 1271 | 12.82 | 61 | 1.29 | http://www.majestic12.co.uk/bot.php?+ |
| 4 | 1049 | 10.58 | 405 | 8.59 | +http://www.bing.com/bingbot.htm |
| 5 | 1007 | 10.16 | 546 | 11.58 | +http://www.google.com/bot.html |
| 6 | 477 | 4.81 | 82 | 1.74 | +http://yandex.com/bots |
| 7 | 408 | 4.12 | 125 | 2.65 | +http://www.linkdex.com/bots/ |
| 8 | 205 | 2.07 | 86 | 1.82 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 9 | 86 | 0.87 | 36 | 0.76 | http://www.opensiteexplorer.org/dotbot, ... |
| 10 | 65 | 0.66 | 59 | 1.25 | Windows 95 |
| 11 | 58 | 0.59 | 40 | 0.85 | +http://ahrefs.com/robot/ |
| 12 | 40 | 0.40 | 39 | 0.83 | http://www.openfos.com |
| 13 | 38 | 0.38 | 37 | 0.78 | http://www.topicway.com |
| 14 | 36 | 0.36 | 9 | 0.19 | +http://www.profound.net/domainappender |
| 15 | 32 | 0.32 | 10 | 0.21 | Windows 98 |
| 16 | 30 | 0.30 | 2 | 0.04 | +http://OpenLinkProfiler.org/bot |
| 17 | 29 | 0.29 | 2 | 0.04 | http://crawler.007ac9.net/ |
| 18 | 28 | 0.28 | 14 | 0.30 | +http://www.meanpath.com/meanpathbot.htm... |
| 19 | 26 | 0.26 | 2 | 0.04 | +https://www.aihitdata.com/about |
| 20 | 18 | 0.18 | 9 | 0.19 | +http://duckduckgo.com |
| 21 | 17 | 0.17 | 10 | 0.21 | +http://www.exabot.com/go/robot |
| 22 | 16 | 0.16 | 5 | 0.11 | Windows XP |
| 23 | 14 | 0.14 | 1 | 0.02 | http://www.lipperhey.com/ |
| 24 | 14 | 0.14 | 1 | 0.02 | +http://www.similartech.com/smtbot |
| 25 | 14 | 0.14 | 13 | 0.28 | Windows 3.1 |
| 26 | 13 | 0.13 | 12 | 0.25 | +http://www.seograph.net/bot.html |
| 27 | 11 | 0.11 | 11 | 0.23 | Windows CE |
| 28 | 11 | 0.11 | 5 | 0.11 | http://help.yahoo.com/help/us/ysearch/sl... |
| 29 | 11 | 0.11 | 11 | 0.23 | MSIE 5.5; Windows NT 5.0 |
| 30 | 11 | 0.11 | 10 | 0.21 | Linux i586 [unknown version] |
| 31 | 10 | 0.10 | 10 | 0.21 | Windows 2000 |
| 32 | 10 | 0.10 | 9 | 0.19 | +http://www.xovibot.net/ |
| 33 | 9 | 0.09 | 9 | 0.19 | Linux [unknown version] |
| 34 | 9 | 0.09 | 9 | 0.19 | Linux i686 [unknown version] |
| 35 | 6 | 0.06 | 5 | 0.11 | Windows ME |
| 36 | 5 | 0.05 | 5 | 0.11 | MSIE 5.5; Windows NT 4.0 |
| 37 | 4 | 0.04 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 38 | 4 | 0.04 | 4 | 0.08 | +http://www.domaintuno.com/robot |
| 39 | 3 | 0.03 | 0 | 0.00 | Android |
| 40 | 3 | 0.03 | 2 | 0.04 | +info@netcraft.com |
| 41 | 2 | 0.02 | 0 | 0.00 | Macintosh PPC |
| 42 | 2 | 0.02 | 0 | 0.00 | +http://help.coccoc.com/ |
| 43 | 2 | 0.02 | 2 | 0.04 | +https://www.domaintuno.com/robot |
| 44 | 2 | 0.02 | 1 | 0.02 | +; |
| 45 | 1 | 0.01 | 1 | 0.02 | +http://www.seograph.com/bot.html |
| 46 | 1 | 0.01 | 1 | 0.02 | Intel Mac OS X 10.6 |
| 47 | 1 | 0.01 | 1 | 0.02 | +http://www.grapeshot.co.uk/crawler.php |
| 48 | 1 | 0.01 | 1 | 0.02 | ) - BrowseX (2.0.0 Windows |
| 49 | 1 | 0.01 | 0 | 0.00 | X11 |
