| Used Operating Systems |
| 1 | 13266 | 83.94 | 3293 | 71.70 | Windows NT |
| 2 | 632 | 4.00 | 204 | 4.44 | +http://www.google.com/bot.html |
| 3 | 470 | 2.97 | 286 | 6.23 | +http://www.bing.com/bingbot.htm |
| 4 | 230 | 1.46 | 166 | 3.61 | +http://www.baidu.com/search/spider.html |
| 5 | 191 | 1.21 | 171 | 3.72 | Windows 95 |
| 6 | 142 | 0.90 | 31 | 0.67 | +http://yandex.com/bots |
| 7 | 137 | 0.87 | 45 | 0.98 | Windows 98 |
| 8 | 78 | 0.49 | 22 | 0.48 | +http://ahrefs.com/robot/ |
| 9 | 66 | 0.42 | 22 | 0.48 | http://help.yahoo.com/help/us/ysearch/sl... |
| 10 | 45 | 0.28 | 43 | 0.94 | Windows 3.1 |
| 11 | 45 | 0.28 | 39 | 0.85 | ) - BrowseX (2.0.0 Windows |
| 12 | 36 | 0.23 | 1 | 0.02 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 13 | 36 | 0.23 | 5 | 0.11 | +http://fulltext.sblog.cz/ |
| 14 | 33 | 0.21 | 33 | 0.72 | Auto; Windows |
| 15 | 33 | 0.21 | 32 | 0.70 | Windows ME |
| 16 | 32 | 0.20 | 31 | 0.67 | Windows 2000 |
| 17 | 32 | 0.20 | 10 | 0.22 | Windows XP |
| 18 | 29 | 0.18 | 29 | 0.63 | MSIE 5.5; Windows NT 4.0 |
| 19 | 26 | 0.16 | 25 | 0.54 | Windows CE |
| 20 | 26 | 0.16 | 2 | 0.04 | +https://www.aihitdata.com/about |
| 21 | 24 | 0.15 | 2 | 0.04 | +http://OpenLinkProfiler.org/bot |
| 22 | 24 | 0.15 | 24 | 0.52 | MSIE 5.5; Windows NT 5.0 |
| 23 | 24 | 0.15 | 2 | 0.04 | http://crawler.007ac9.net/ |
| 24 | 22 | 0.14 | 11 | 0.24 | +http://www.xovibot.net/ |
| 25 | 22 | 0.14 | 4 | 0.09 | +http://www.findxbot.com |
| 26 | 22 | 0.14 | 11 | 0.24 | +http://www.exabot.com/go/robot |
| 27 | 13 | 0.08 | 9 | 0.20 | http://www.bing.com/bingbot.htm |
| 28 | 12 | 0.08 | 1 | 0.02 | http://www.lipperhey.com/ |
| 29 | 10 | 0.06 | 5 | 0.11 | +http://www.meanpath.com/meanpathbot.htm... |
| 30 | 8 | 0.05 | 8 | 0.17 | Linux i686 [unknown version] |
| 31 | 8 | 0.05 | 2 | 0.04 | http://www.majestic12.co.uk/bot.php?+ |
| 32 | 7 | 0.04 | 7 | 0.15 | Linux i586 [unknown version] |
| 33 | 6 | 0.04 | 6 | 0.13 | +http://domainsigma.com/robot |
| 34 | 5 | 0.03 | 4 | 0.09 | +http://www.seograph.net/bot.html |
| 35 | 4 | 0.03 | 4 | 0.09 | Linux [unknown version] |
| 36 | 3 | 0.02 | 0 | 0.00 | +http://www.easou.com/search/spider.html |
| 37 | 2 | 0.01 | 1 | 0.02 | +info@netcraft.com |
| 38 | 1 | 0.01 | 1 | 0.02 | SunOS 4.1.x |
| 39 | 1 | 0.01 | 0 | 0.00 | apps-presentations; +http://docs.google.... |
| 40 | 1 | 0.01 | 1 | 0.02 | OSF1 V5.1 alpha |
