| Used Operating Systems |
| 1 | 30857 | 34.63 | 41 | 0.98 | +http://ahrefs.com/robot/ |
| 2 | 28287 | 31.75 | 232 | 5.56 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 13308 | 14.94 | 3 | 0.07 | +http://megaindex.com/crawler |
| 4 | 7107 | 7.98 | 1548 | 37.13 | +http://www.baidu.com/search/spider.html |
| 5 | 5507 | 6.18 | 1423 | 34.13 | Windows NT |
| 6 | 949 | 1.07 | 40 | 0.96 | +http://www.bing.com/bingbot.htm |
| 7 | 670 | 0.75 | 2 | 0.05 | +http://OpenLinkProfiler.org/bot |
| 8 | 474 | 0.53 | 98 | 2.35 | +http://www.linkdex.com/bots/ |
| 9 | 391 | 0.44 | 155 | 3.72 | +http://www.google.com/bot.html |
| 10 | 261 | 0.29 | 79 | 1.89 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 11 | 211 | 0.24 | 94 | 2.25 | http://help.yahoo.com/help/us/ysearch/sl... |
| 12 | 211 | 0.24 | 59 | 1.42 | +http://yandex.com/bots |
| 13 | 209 | 0.23 | 156 | 3.74 | Windows 95 |
| 14 | 196 | 0.22 | 2 | 0.05 | Linux i586 [unknown version] |
| 15 | 122 | 0.14 | 26 | 0.62 | Windows 98 |
| 16 | 42 | 0.05 | 32 | 0.77 | ) - BrowseX (2.0.0 Windows |
| 17 | 35 | 0.04 | 29 | 0.70 | MSIE 5.5; Windows NT 4.0 |
| 18 | 29 | 0.03 | 23 | 0.55 | MSIE 5.5; Windows NT 5.0 |
| 19 | 28 | 0.03 | 3 | 0.07 | Windows XP |
| 20 | 28 | 0.03 | 22 | 0.53 | Windows 3.1 |
| 21 | 26 | 0.03 | 20 | 0.48 | Windows CE |
| 22 | 25 | 0.03 | 7 | 0.17 | +http://www.exabot.com/go/robot |
| 23 | 24 | 0.03 | 18 | 0.43 | Auto; Windows |
| 24 | 21 | 0.02 | 18 | 0.43 | Windows 2000 |
| 25 | 16 | 0.02 | 2 | 0.05 | +http://www.semrush.com/bot.html |
| 26 | 13 | 0.01 | 11 | 0.26 | Windows ME |
| 27 | 8 | 0.01 | 4 | 0.10 | +http://www.meanpath.com/meanpathbot.htm... |
| 28 | 7 | 0.01 | 3 | 0.07 | Linux [unknown version] |
| 29 | 4 | 0.00 | 2 | 0.05 | support.orangebot@orange.com |
| 30 | 4 | 0.00 | 4 | 0.10 | +http://www.xovibot.net/ |
| 31 | 3 | 0.00 | 3 | 0.07 | +http://domainsigma.com/robot |
| 32 | 2 | 0.00 | 1 | 0.02 | Trident/6.0; Windows NT 4.1; SV1; Alexa ... |
| 33 | 2 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 34 | 2 | 0.00 | 0 | 0.00 | Trident/6.0; Windows 98; Zango 2.1.92; Z... |
| 35 | 2 | 0.00 | 2 | 0.05 | Trident/6.0; Windows 98; Crazy Browser 8... |
| 36 | 2 | 0.00 | 2 | 0.05 | Trident/6.0; Windows NT 5.0; FDM; MyIE2 |
| 37 | 2 | 0.00 | 0 | 0.00 | Trident/6.0; Windows 98; IEMB3 |
| 38 | 2 | 0.00 | 2 | 0.05 | Linux i686 [unknown version] |
| 39 | 2 | 0.00 | 0 | 0.00 | Trident/6.0; Windows 98; Avant Browser;G... |
| 40 | 2 | 0.00 | 1 | 0.02 | Trident/6.0; Windows NT 5.0; Zango 9.2.8... |
| 41 | 2 | 0.00 | 0 | 0.00 | Trident/6.0; Windows NT 5.0; .NET CLR 4.... |
| 42 | 1 | 0.00 | 1 | 0.02 | SunOS i86pc |
| 43 | 1 | 0.00 | 1 | 0.02 | +info@netcraft.com |
