| Used Operating Systems |
| 1 | 20633 | 71.96 | 4579 | 79.41 | Windows NT |
| 2 | 2300 | 8.02 | 62 | 1.08 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 1549 | 5.40 | 22 | 0.38 | Windows 98 |
| 4 | 1164 | 4.06 | 582 | 10.09 | +http://www.baidu.com/search/spider.html |
| 5 | 1011 | 3.53 | 9 | 0.16 | +http://OpenLinkProfiler.org/bot |
| 6 | 581 | 2.03 | 30 | 0.52 | +http://yandex.com/bots |
| 7 | 502 | 1.75 | 214 | 3.71 | +http://www.bing.com/bingbot.htm |
| 8 | 280 | 0.98 | 115 | 1.99 | +http://www.google.com/bot.html |
| 9 | 236 | 0.82 | 62 | 1.08 | +http://www.linkdex.com/about/bots/ |
| 10 | 131 | 0.46 | 12 | 0.21 | X11 |
| 11 | 64 | 0.22 | 6 | 0.10 | +http://filterdb.iss.net/crawler/ |
| 12 | 48 | 0.17 | 3 | 0.05 | Android 2.3.5 |
| 13 | 44 | 0.15 | 10 | 0.17 | help@moz.com |
| 14 | 19 | 0.07 | 2 | 0.03 | J2ME/MIDP |
| 15 | 15 | 0.05 | 13 | 0.23 | +http://www.easou.com/search/spider.html |
| 16 | 12 | 0.04 | 12 | 0.21 | Windows 95 |
| 17 | 8 | 0.03 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 18 | 7 | 0.02 | 0 | 0.00 | Win32 |
| 19 | 7 | 0.02 | 3 | 0.05 | +http://www.compspy.com/spider.html |
| 20 | 6 | 0.02 | 5 | 0.09 | Windows CE |
| 21 | 6 | 0.02 | 4 | 0.07 | Windows ME |
| 22 | 6 | 0.02 | 4 | 0.07 | Windows 3.1 |
| 23 | 5 | 0.02 | 0 | 0.00 | Linux [unknown version] |
| 24 | 5 | 0.02 | 0 | 0.00 | Linux 2.4.x |
| 25 | 4 | 0.01 | 0 | 0.00 | Macintosh PPC |
| 26 | 4 | 0.01 | 2 | 0.03 | Wayback Machine Live Record; +http://arc... |
| 27 | 4 | 0.01 | 2 | 0.03 | +info@netcraft.com |
| 28 | 4 | 0.01 | 1 | 0.02 | +http://endb-consolidated.aihit.com/ |
| 29 | 4 | 0.01 | 2 | 0.03 | +http://www.meanpath.com/meanpathbot.htm... |
| 30 | 2 | 0.01 | 2 | 0.03 | http://crawler.sistrix.net/ |
| 31 | 2 | 0.01 | 0 | 0.00 | Windows XP |
| 32 | 2 | 0.01 | 2 | 0.03 | MSIE 5.5; Windows NT 5.0 |
| 33 | 2 | 0.01 | 2 | 0.03 | ) - BrowseX (2.0.0 Windows |
| 34 | 2 | 0.01 | 2 | 0.03 | MSIE 5.5; Windows NT 4.0 |
| 35 | 1 | 0.00 | 1 | 0.02 | Windows 2000 |
| 36 | 1 | 0.00 | 1 | 0.02 | Auto; Windows |
