| Used Operating Systems |
| 1 | 2826 | 47.88 | 2332 | 76.81 | +http://www.baidu.com/search/spider.html |
| 2 | 1007 | 17.06 | 145 | 4.78 | +http://www.google.com/bot.html |
| 3 | 585 | 9.91 | 128 | 4.22 | +http://yandex.com/bots |
| 4 | 434 | 7.35 | 173 | 5.70 | +http://www.bing.com/bingbot.htm |
| 5 | 375 | 6.35 | 133 | 4.38 | Windows NT |
| 6 | 201 | 3.41 | 5 | 0.16 | http://mj12bot.com/ |
| 7 | 171 | 2.90 | 59 | 1.94 | +http://www.linkdex.com/bots/ |
| 8 | 83 | 1.41 | 2 | 0.07 | http://www.majestic12.co.uk/bot.php?+ |
| 9 | 56 | 0.95 | 4 | 0.13 | +http://OpenLinkProfiler.org/bot |
| 10 | 45 | 0.76 | 3 | 0.10 | +https://www.aihitdata.com/about |
| 11 | 34 | 0.58 | 10 | 0.33 | +spider@seoscanners.net |
| 12 | 24 | 0.41 | 11 | 0.36 | +http://ahrefs.com/robot/ |
| 13 | 24 | 0.41 | 10 | 0.33 | http://help.yahoo.com/help/us/ysearch/sl... |
| 14 | 15 | 0.25 | 1 | 0.03 | +http://www.warebay.com/bot.html |
| 15 | 6 | 0.10 | 6 | 0.20 | Windows 95 |
| 16 | 5 | 0.08 | 3 | 0.10 | +info@netcraft.com |
| 17 | 2 | 0.03 | 2 | 0.07 | Windows CE |
| 18 | 2 | 0.03 | 2 | 0.07 | http://nmap.org/book/nse.html |
| 19 | 2 | 0.03 | 2 | 0.07 | Windows XP |
| 20 | 2 | 0.03 | 2 | 0.07 | Windows 98 |
| 21 | 1 | 0.02 | 1 | 0.03 | Auto; Windows |
| 22 | 1 | 0.02 | 1 | 0.03 | Linux [unknown version] |
| 23 | 1 | 0.02 | 1 | 0.03 | +http://www.grapeshot.co.uk/crawler.php |
