| Used Operating Systems |
| 1 | 23589 | 73.66 | 166 | 3.08 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 3889 | 12.14 | 3020 | 55.95 | +http://www.baidu.com/search/spider.html |
| 3 | 2564 | 8.01 | 1201 | 22.25 | Windows NT |
| 4 | 1075 | 3.36 | 610 | 11.30 | +http://www.google.com/bot.html |
| 5 | 386 | 1.21 | 196 | 3.63 | +http://www.bing.com/bingbot.htm |
| 6 | 178 | 0.56 | 96 | 1.78 | +http://ahrefs.com/robot/ |
| 7 | 63 | 0.20 | 18 | 0.33 | +http://www.linkdex.com/bots/ |
| 8 | 57 | 0.18 | 19 | 0.35 | +http://OpenLinkProfiler.org/bot |
| 9 | 41 | 0.13 | 19 | 0.35 | +http://yandex.com/bots |
| 10 | 37 | 0.12 | 12 | 0.22 | Windows 95 |
| 11 | 22 | 0.07 | 1 | 0.02 | +http://filterdb.iss.net/crawler/ |
| 12 | 18 | 0.06 | 4 | 0.07 | http://www.opensiteexplorer.org/dotbot, ... |
| 13 | 12 | 0.04 | 1 | 0.02 | Intel Mac OS X 10.6 |
| 14 | 10 | 0.03 | 3 | 0.06 | X11 |
| 15 | 10 | 0.03 | 4 | 0.07 | MSIE 5.5; Windows NT 4.0 |
| 16 | 9 | 0.03 | 3 | 0.06 | Auto; Windows |
| 17 | 8 | 0.02 | 4 | 0.07 | +http://www.meanpath.com/meanpathbot.htm... |
| 18 | 6 | 0.02 | 2 | 0.04 | Windows 2000 |
| 19 | 6 | 0.02 | 1 | 0.02 | Linux [unknown version] |
| 20 | 6 | 0.02 | 2 | 0.04 | Windows XP |
| 21 | 6 | 0.02 | 2 | 0.04 | Windows 3.1 |
| 22 | 4 | 0.01 | 1 | 0.02 | +http://www.warebay.com/bot.html |
| 23 | 4 | 0.01 | 1 | 0.02 | PPC Mac OS X Mach-O |
| 24 | 4 | 0.01 | 1 | 0.02 | Android 2.3.5 |
| 25 | 3 | 0.01 | 1 | 0.02 | Wayback Machine Live Record; +http://arc... |
| 26 | 3 | 0.01 | 1 | 0.02 | Windows ME |
| 27 | 3 | 0.01 | 1 | 0.02 | MSIE 5.5; Windows NT 5.0 |
| 28 | 3 | 0.01 | 1 | 0.02 | +https://www.lipperhey.com/en/about/ |
| 29 | 3 | 0.01 | 2 | 0.04 | ) - BrowseX (2.0.0 Windows |
| 30 | 2 | 0.01 | 1 | 0.02 | +info@netcraft.com |
| 31 | 2 | 0.01 | 1 | 0.02 | +http://duckduckgo.com |
| 32 | 2 | 0.01 | 2 | 0.04 | Windows 98 |
| 33 | 1 | 0.00 | 1 | 0.02 | Intel Mac OS X 10.4 |
