| Used Operating Systems |
| 1 | 5257 | 60.06 | 2372 | 66.57 | Windows NT |
| 2 | 1504 | 17.18 | 65 | 1.82 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 262 | 2.99 | 84 | 2.36 | +http://yandex.com/bots |
| 4 | 253 | 2.89 | 230 | 6.46 | +http://www.baidu.com/search/spider.html |
| 5 | 251 | 2.87 | 76 | 2.13 | +http://www.linkdex.com/bots/ |
| 6 | 200 | 2.28 | 169 | 4.74 | Windows 95 |
| 7 | 195 | 2.23 | 97 | 2.72 | +http://www.bing.com/bingbot.htm |
| 8 | 164 | 1.87 | 57 | 1.60 | +http://www.google.com/bot.html |
| 9 | 116 | 1.33 | 31 | 0.87 | Windows 98 |
| 10 | 73 | 0.83 | 34 | 0.95 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 11 | 58 | 0.66 | 25 | 0.70 | http://www.opensiteexplorer.org/dotbot, ... |
| 12 | 44 | 0.50 | 41 | 1.15 | Windows 2000 |
| 13 | 38 | 0.43 | 32 | 0.90 | Windows ME |
| 14 | 34 | 0.39 | 33 | 0.93 | Windows 3.1 |
| 15 | 31 | 0.35 | 30 | 0.84 | Auto; Windows |
| 16 | 30 | 0.34 | 27 | 0.76 | MSIE 5.5; Windows NT 4.0 |
| 17 | 29 | 0.33 | 8 | 0.22 | Windows XP |
| 18 | 28 | 0.32 | 26 | 0.73 | Windows CE |
| 19 | 28 | 0.32 | 27 | 0.76 | ) - BrowseX (2.0.0 Windows |
| 20 | 25 | 0.29 | 24 | 0.67 | MSIE 5.5; Windows NT 5.0 |
| 21 | 23 | 0.26 | 11 | 0.31 | +http://www.exabot.com/go/robot |
| 22 | 15 | 0.17 | 15 | 0.42 | Linux i686 [unknown version] |
| 23 | 14 | 0.16 | 7 | 0.20 | +http://www.meanpath.com/meanpathbot.htm... |
| 24 | 10 | 0.11 | 10 | 0.28 | Linux [unknown version] |
| 25 | 8 | 0.09 | 2 | 0.06 | +http://ahrefs.com/robot/ |
| 26 | 8 | 0.09 | 4 | 0.11 | http://help.yahoo.com/help/us/ysearch/sl... |
| 27 | 8 | 0.09 | 2 | 0.06 | http://filterdb.iss.net/crawler/ |
| 28 | 6 | 0.07 | 1 | 0.03 | +http://filterdb.iss.net/crawler/ |
| 29 | 6 | 0.07 | 2 | 0.06 | +http://OpenLinkProfiler.org/bot |
| 30 | 6 | 0.07 | 2 | 0.06 | http://crawler.007ac9.net/ |
| 31 | 6 | 0.07 | 6 | 0.17 | Linux i586 [unknown version] |
| 32 | 6 | 0.07 | 6 | 0.17 | +http://domainsigma.com/robot |
| 33 | 4 | 0.05 | 3 | 0.08 | +http://www.xovibot.net/ |
| 34 | 4 | 0.05 | 0 | 0.00 | +http://fulltext.sblog.cz/ |
| 35 | 3 | 0.03 | 1 | 0.03 | +info@netcraft.com |
| 36 | 2 | 0.02 | 0 | 0.00 | http://drive.google.com |
| 37 | 1 | 0.01 | 1 | 0.03 | +http://www.seograph.net/bot.html |
| 38 | 1 | 0.01 | 0 | 0.00 | Android |
| 39 | 1 | 0.01 | 1 | 0.03 | +http://advbot.org/bot.html |
| 40 | 1 | 0.01 | 1 | 0.03 | X11 |
