| Used Operating Systems |
| 1 | 65498 | 45.47 | 314 | 3.90 | http://mj12bot.com/ |
| 2 | 57469 | 39.90 | 1294 | 16.06 | +http://yandex.com/bots |
| 3 | 6811 | 4.73 | 4623 | 57.39 | +http://www.baidu.com/search/spider.html |
| 4 | 6785 | 4.71 | 29 | 0.36 | http://www.majestic12.co.uk/bot.php?+ |
| 5 | 1659 | 1.15 | 665 | 8.26 | Windows NT |
| 6 | 1254 | 0.87 | 277 | 3.44 | +http://www.linkdex.com/bots/ |
| 7 | 1204 | 0.84 | 2 | 0.02 | +http://OpenLinkProfiler.org/bot |
| 8 | 1040 | 0.72 | 8 | 0.10 | +http://www.warebay.com/bot.html |
| 9 | 987 | 0.69 | 467 | 5.80 | +http://www.google.com/bot.html |
| 10 | 845 | 0.59 | 240 | 2.98 | +http://www.bing.com/bingbot.htm |
| 11 | 158 | 0.11 | 26 | 0.32 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 12 | 143 | 0.10 | 5 | 0.06 | +http://siteexplorer.info/Backlink-Check... |
| 13 | 68 | 0.05 | 61 | 0.76 | +http://www.uptime.com/uptimebot |
| 14 | 27 | 0.02 | 4 | 0.05 | +spider@seoscanners.net |
| 15 | 20 | 0.01 | 6 | 0.07 | http://help.yahoo.com/help/us/ysearch/sl... |
| 16 | 17 | 0.01 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 17 | 16 | 0.01 | 2 | 0.02 | http://nmap.org/book/nse.html |
| 18 | 11 | 0.01 | 11 | 0.14 | Windows 95 |
| 19 | 5 | 0.00 | 4 | 0.05 | +info@netcraft.com |
| 20 | 3 | 0.00 | 1 | 0.01 | +http://ahrefs.com/robot/ |
| 21 | 3 | 0.00 | 3 | 0.04 | Windows XP |
| 22 | 3 | 0.00 | 3 | 0.04 | Windows 98 |
| 23 | 2 | 0.00 | 2 | 0.02 | Windows CE |
| 24 | 2 | 0.00 | 2 | 0.02 | Auto; Windows |
| 25 | 2 | 0.00 | 1 | 0.01 | http://www.botje.com/plukkie.htm |
| 26 | 2 | 0.00 | 2 | 0.02 | MSIE 5.5; Windows NT 4.0 |
| 27 | 2 | 0.00 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 28 | 1 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 29 | 1 | 0.00 | 1 | 0.01 | MSIE 5.5; Windows NT 5.0 |
| 30 | 1 | 0.00 | 1 | 0.01 | Windows 3.1 |
| 31 | 1 | 0.00 | 1 | 0.01 | Windows ME |
