| Used Operating Systems |
| 1 | 30915 | 74.54 | 330 | 11.03 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 4441 | 10.71 | 1914 | 63.95 | Windows NT |
| 3 | 3044 | 7.34 | 12 | 0.40 | +https://www.megaindex.ru/?tab=linkAnaly... |
| 4 | 530 | 1.28 | 25 | 0.84 | Linux [unknown version] |
| 5 | 461 | 1.11 | 227 | 7.58 | +http://www.baidu.com/search/spider.html |
| 6 | 406 | 0.98 | 2 | 0.07 | +http://megaindex.com/crawler |
| 7 | 378 | 0.91 | 2 | 0.07 | +http://OpenLinkProfiler.org/bot |
| 8 | 364 | 0.88 | 100 | 3.34 | +http://www.linkdex.com/bots/ |
| 9 | 298 | 0.72 | 125 | 4.18 | +http://www.google.com/bot.html |
| 10 | 228 | 0.55 | 67 | 2.24 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 11 | 103 | 0.25 | 29 | 0.97 | +http://yandex.com/bots |
| 12 | 84 | 0.20 | 30 | 1.00 | +http://www.bing.com/bingbot.htm |
| 13 | 75 | 0.18 | 47 | 1.57 | Linux i686 [unknown version] |
| 14 | 32 | 0.08 | 22 | 0.74 | Windows 98 |
| 15 | 25 | 0.06 | 17 | 0.57 | J2ME/MIDP |
| 16 | 16 | 0.04 | 6 | 0.20 | Win32 |
| 17 | 16 | 0.04 | 8 | 0.27 | Windows 95 |
| 18 | 16 | 0.04 | 14 | 0.47 | X11 |
| 19 | 12 | 0.03 | 6 | 0.20 | Windows ME |
| 20 | 12 | 0.03 | 4 | 0.13 | MSIE 5.5; Windows NT 5.0 |
| 21 | 6 | 0.01 | 3 | 0.10 | MSIE 5.5; Windows NT 4.0 |
| 22 | 4 | 0.01 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 23 | 2 | 0.00 | 0 | 0.00 | +http://ahrefs.com/robot/ |
| 24 | 2 | 0.00 | 2 | 0.07 | Intel Mac OS X |
| 25 | 1 | 0.00 | 0 | 0.00 | +http://www.easou.com/search/spider.html |
| 26 | 1 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 27 | 1 | 0.00 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 28 | 1 | 0.00 | 1 | 0.03 | +info@netcraft.com |
