| Used Operating Systems |
| 1 | 17427 | 63.52 | 5375 | 64.95 | Windows NT |
| 2 | 5204 | 18.97 | 65 | 0.79 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 1526 | 5.56 | 1450 | 17.52 | +http://www.baidu.com/search/spider.html |
| 4 | 468 | 1.71 | 107 | 1.29 | help@moz.com |
| 5 | 459 | 1.67 | 159 | 1.92 | +http://www.google.com/bot.html |
| 6 | 418 | 1.52 | 209 | 2.53 | +http://www.bing.com/bingbot.htm |
| 7 | 383 | 1.40 | 303 | 3.66 | Windows 95 |
| 8 | 289 | 1.05 | 52 | 0.63 | Windows 98 |
| 9 | 204 | 0.74 | 28 | 0.34 | +http://yandex.com/bots |
| 10 | 145 | 0.53 | 5 | 0.06 | +http://www.seoprofiler.com/bot |
| 11 | 80 | 0.29 | 68 | 0.82 | MSIE 5.5; Windows NT 5.0 |
| 12 | 78 | 0.28 | 14 | 0.17 | X11 |
| 13 | 73 | 0.27 | 2 | 0.02 | Windows XP |
| 14 | 69 | 0.25 | 65 | 0.79 | Windows CE |
| 15 | 64 | 0.23 | 32 | 0.39 | +http://help.coccoc.com/ |
| 16 | 60 | 0.22 | 56 | 0.68 | ) - BrowseX (2.0.0 Windows |
| 17 | 59 | 0.22 | 56 | 0.68 | Windows 2000 |
| 18 | 54 | 0.20 | 38 | 0.46 | Windows ME |
| 19 | 51 | 0.19 | 50 | 0.60 | MSIE 5.5; Windows NT 4.0 |
| 20 | 50 | 0.18 | 20 | 0.24 | +http://www.linkdex.com/about/bots/ |
| 21 | 49 | 0.18 | 46 | 0.56 | Auto; Windows |
| 22 | 49 | 0.18 | 45 | 0.54 | Windows 3.1 |
| 23 | 37 | 0.13 | 1 | 0.01 | +http://endb-consolidated.aihit.com/ |
| 24 | 36 | 0.13 | 6 | 0.07 | Android 2.3.5 |
| 25 | 33 | 0.12 | 3 | 0.04 | +http://www.profound.net/urlappendbot.ht... |
| 26 | 30 | 0.11 | 9 | 0.11 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 27 | 16 | 0.06 | 4 | 0.05 | +http://www.meanpath.com/meanpathbot.htm... |
| 28 | 6 | 0.02 | 3 | 0.04 | http://crawler.sistrix.net/ |
| 29 | 4 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 30 | 4 | 0.01 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 31 | 3 | 0.01 | 2 | 0.02 | +info@netcraft.com |
| 32 | 3 | 0.01 | 2 | 0.02 | +http://www.semrush.com/bot.html |
| 33 | 2 | 0.01 | 0 | 0.00 | Macintosh PPC |
| 34 | 2 | 0.01 | 0 | 0.00 | Linux 2.4.x |
| 35 | 1 | 0.00 | 0 | 0.00 | Win32 |
| 36 | 1 | 0.00 | 1 | 0.01 | http://help.yahoo.com/help/us/ysearch/sl... |
