| Used Operating Systems |
| 1 | 36808 | 55.86 | 229 | 2.04 | http://mj12bot.com/ |
| 2 | 8814 | 13.38 | 4858 | 43.21 | +http://ahrefs.com/robot/ |
| 3 | 6614 | 10.04 | 3 | 0.03 | +http://megaindex.com/crawler |
| 4 | 4660 | 7.07 | 1560 | 13.88 | Windows NT |
| 5 | 3931 | 5.97 | 3407 | 30.30 | +http://www.baidu.com/search/spider.html |
| 6 | 1239 | 1.88 | 255 | 2.27 | +http://www.linkdex.com/bots/ |
| 7 | 1225 | 1.86 | 4 | 0.04 | +http://OpenLinkProfiler.org/bot |
| 8 | 622 | 0.94 | 268 | 2.38 | +http://www.bing.com/bingbot.htm |
| 9 | 507 | 0.77 | 212 | 1.89 | +http://www.google.com/bot.html |
| 10 | 321 | 0.49 | 62 | 0.55 | +http://yandex.com/bots |
| 11 | 250 | 0.38 | 1 | 0.01 | Linux i586 [unknown version] |
| 12 | 188 | 0.29 | 104 | 0.93 | Windows 95 |
| 13 | 136 | 0.21 | 8 | 0.07 | Windows 98 |
| 14 | 113 | 0.17 | 45 | 0.40 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 15 | 63 | 0.10 | 24 | 0.21 | http://www.opensiteexplorer.org/dotbot, ... |
| 16 | 44 | 0.07 | 3 | 0.03 | Windows XP |
| 17 | 42 | 0.06 | 27 | 0.24 | Windows CE |
| 18 | 42 | 0.06 | 30 | 0.27 | ) - BrowseX (2.0.0 Windows |
| 19 | 38 | 0.06 | 15 | 0.13 | Windows ME |
| 20 | 37 | 0.06 | 29 | 0.26 | MSIE 5.5; Windows NT 4.0 |
| 21 | 34 | 0.05 | 12 | 0.11 | Windows 3.1 |
| 22 | 34 | 0.05 | 19 | 0.17 | MSIE 5.5; Windows NT 5.0 |
| 23 | 33 | 0.05 | 25 | 0.22 | Windows 2000 |
| 24 | 31 | 0.05 | 22 | 0.20 | Auto; Windows |
| 25 | 30 | 0.05 | 4 | 0.04 | +http://www.semrush.com/bot.html |
| 26 | 13 | 0.02 | 4 | 0.04 | +http://www.exabot.com/go/robot |
| 27 | 9 | 0.01 | 8 | 0.07 | +http://www.uptime.com/uptimebot |
| 28 | 7 | 0.01 | 1 | 0.01 | crawler@mixrank.com |
| 29 | 3 | 0.00 | 2 | 0.02 | +info@netcraft.com |
| 30 | 2 | 0.00 | 2 | 0.02 | X11 |
| 31 | 1 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
