| Used Operating Systems |
| 1 | 60374 | 87.31 | 526 | 12.75 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 4890 | 7.07 | 2285 | 55.39 | Windows NT |
| 3 | 1128 | 1.63 | 187 | 4.53 | +http://ahrefs.com/robot/ |
| 4 | 1014 | 1.47 | 185 | 4.48 | +http://www.linkdex.com/bots/ |
| 5 | 343 | 0.50 | 112 | 2.72 | +http://www.google.com/bot.html |
| 6 | 328 | 0.47 | 248 | 6.01 | +http://www.baidu.com/search/spider.html |
| 7 | 245 | 0.35 | 91 | 2.21 | +http://yandex.com/bots |
| 8 | 225 | 0.33 | 97 | 2.35 | +http://www.bing.com/bingbot.htm |
| 9 | 131 | 0.19 | 114 | 2.76 | Windows 95 |
| 10 | 65 | 0.09 | 5 | 0.12 | +http://OpenLinkProfiler.org/bot |
| 11 | 58 | 0.08 | 33 | 0.80 | Windows 98 |
| 12 | 35 | 0.05 | 29 | 0.70 | Windows 2000 |
| 13 | 33 | 0.05 | 33 | 0.80 | MSIE 5.5; Windows NT 4.0 |
| 14 | 28 | 0.04 | 27 | 0.65 | Windows CE |
| 15 | 28 | 0.04 | 27 | 0.65 | Linux i686 [unknown version] |
| 16 | 25 | 0.04 | 13 | 0.32 | Windows XP |
| 17 | 24 | 0.03 | 22 | 0.53 | MSIE 5.5; Windows NT 5.0 |
| 18 | 24 | 0.03 | 0 | 0.00 | http://filterdb.iss.net/crawler/ |
| 19 | 23 | 0.03 | 19 | 0.46 | Windows ME |
| 20 | 22 | 0.03 | 1 | 0.02 | +https://www.aihitdata.com/about |
| 21 | 22 | 0.03 | 11 | 0.27 | +http://www.meanpath.com/meanpathbot.htm... |
| 22 | 21 | 0.03 | 18 | 0.44 | Windows 3.1 |
| 23 | 14 | 0.02 | 13 | 0.32 | Linux [unknown version] |
| 24 | 13 | 0.02 | 1 | 0.02 | WinHttp.WinHttpRequest.5 |
| 25 | 10 | 0.01 | 9 | 0.22 | ) - BrowseX (2.0.0 Windows |
| 26 | 9 | 0.01 | 9 | 0.22 | Auto; Windows |
| 27 | 4 | 0.01 | 2 | 0.05 | http://help.yahoo.com/help/us/ysearch/sl... |
| 28 | 4 | 0.01 | 2 | 0.05 | +info@netcraft.com |
| 29 | 4 | 0.01 | 2 | 0.05 | +; |
| 30 | 3 | 0.00 | 3 | 0.07 | Linux i586 [unknown version] |
| 31 | 1 | 0.00 | 1 | 0.02 | X11 |
