| Used Operating Systems |
| 1 | 19534 | 64.01 | 150 | 3.11 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 5633 | 18.46 | 1244 | 25.76 | Windows NT |
| 3 | 3669 | 12.02 | 2955 | 61.18 | +http://www.baidu.com/search/spider.html |
| 4 | 872 | 2.86 | 206 | 4.27 | +http://www.bing.com/bingbot.htm |
| 5 | 363 | 1.19 | 159 | 3.29 | +http://www.google.com/bot.html |
| 6 | 275 | 0.90 | 73 | 1.51 | +http://yandex.com/bots |
| 7 | 51 | 0.17 | 14 | 0.29 | +http://ahrefs.com/robot/ |
| 8 | 45 | 0.15 | 18 | 0.37 | +http://www.linkdex.com/bots/ |
| 9 | 25 | 0.08 | 1 | 0.02 | +http://OpenLinkProfiler.org/bot |
| 10 | 21 | 0.07 | 4 | 0.08 | +http://www.exabot.com/go/robot |
| 11 | 8 | 0.03 | 1 | 0.02 | crawler@mixrank.com |
| 12 | 6 | 0.02 | 0 | 0.00 | Windows 98 |
| 13 | 5 | 0.02 | 0 | 0.00 | Linux [unknown version] |
| 14 | 2 | 0.01 | 1 | 0.02 | +info@netcraft.com |
| 15 | 2 | 0.01 | 1 | 0.02 | +http://www.meanpath.com/meanpathbot.htm... |
| 16 | 1 | 0.00 | 1 | 0.02 | http://nmap.org/book/nse.html |
| 17 | 1 | 0.00 | 1 | 0.02 | Windows 95 |
| 18 | 1 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 19 | 1 | 0.00 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 20 | 1 | 0.00 | 1 | 0.02 | Linux i686 [unknown version] |
