| Used Operating Systems |
| 1 | 46524 | 36.00 | 388 | 2.51 | +http://www.semrush.com/bot.html |
| 2 | 39525 | 30.59 | 279 | 1.80 | http://mj12bot.com/ |
| 3 | 12743 | 9.86 | 8922 | 57.65 | +http://ahrefs.com/robot/ |
| 4 | 9335 | 7.22 | 2 | 0.01 | +http://megaindex.com/crawler |
| 5 | 8811 | 6.82 | 1773 | 11.46 | Windows NT |
| 6 | 4095 | 3.17 | 3005 | 19.42 | +http://www.baidu.com/search/spider.html |
| 7 | 2732 | 2.11 | 4 | 0.03 | +http://OpenLinkProfiler.org/bot |
| 8 | 1959 | 1.52 | 302 | 1.95 | http://www.opensiteexplorer.org/dotbot, ... |
| 9 | 933 | 0.72 | 179 | 1.16 | +http://napoveda.seznam.cz/en/seznambot-... |
| 10 | 814 | 0.63 | 216 | 1.40 | +http://www.google.com/bot.html |
| 11 | 615 | 0.48 | 142 | 0.92 | +http://www.linkdex.com/bots/ |
| 12 | 482 | 0.37 | 99 | 0.64 | +http://yandex.com/bots |
| 13 | 210 | 0.16 | 51 | 0.33 | +http://www.bing.com/bingbot.htm |
| 14 | 164 | 0.13 | 38 | 0.25 | http://help.yahoo.com/help/us/ysearch/sl... |
| 15 | 96 | 0.07 | 20 | 0.13 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 16 | 58 | 0.04 | 9 | 0.06 | +http://siteexplorer.info/Backlink-Check... |
| 17 | 36 | 0.03 | 0 | 0.00 | X11 |
| 18 | 24 | 0.02 | 23 | 0.15 | +http://www.uptime.com/uptimebot |
| 19 | 20 | 0.02 | 2 | 0.01 | Windows 98 |
| 20 | 14 | 0.01 | 0 | 0.00 | Android 2.3.5 |
| 21 | 8 | 0.01 | 4 | 0.03 | Mail.RU_Bot/Robots/2.0; +http://go.mail.... |
| 22 | 8 | 0.01 | 6 | 0.04 | +http://sur.ly/bot.html |
| 23 | 6 | 0.00 | 0 | 0.00 | http://filterdb.iss.net/crawler/ |
| 24 | 4 | 0.00 | 4 | 0.03 | +http://alphaseobot.com/bot.html |
| 25 | 4 | 0.00 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 26 | 2 | 0.00 | 2 | 0.01 | OpenBSD [unknown version] |
| 27 | 2 | 0.00 | 2 | 0.01 | +http://www.id-search.xyz/bot.html |
| 28 | 2 | 0.00 | 2 | 0.01 | +info@netcraft.com |
| 29 | 2 | 0.00 | 1 | 0.01 | +http://www.exabot.com/go/robot |
| 30 | 1 | 0.00 | 1 | 0.01 | Intel Mac OS X 10.4 |
| 31 | 1 | 0.00 | 1 | 0.01 | NetBSD [unknown version] |
