| Used Operating Systems |
| 1 | 10834 | 44.83 | 121 | 2.20 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 5337 | 22.09 | 3442 | 62.56 | +http://ahrefs.com/robot/ |
| 3 | 4116 | 17.03 | 732 | 13.30 | http://www.opensiteexplorer.org/dotbot, ... |
| 4 | 1859 | 7.69 | 883 | 16.05 | +http://www.baidu.com/search/spider.html |
| 5 | 555 | 2.30 | 95 | 1.73 | Windows NT |
| 6 | 400 | 1.66 | 67 | 1.22 | +http://www.google.com/bot.html |
| 7 | 272 | 1.13 | 2 | 0.04 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 8 | 198 | 0.82 | 53 | 0.96 | +http://www.bing.com/bingbot.htm |
| 9 | 155 | 0.64 | 31 | 0.56 | +http://yandex.com/bots |
| 10 | 111 | 0.46 | 0 | 0.00 | +http://fulltext.sblog.cz/ |
| 11 | 89 | 0.37 | 10 | 0.18 | http://help.yahoo.com/help/us/ysearch/sl... |
| 12 | 69 | 0.29 | 8 | 0.15 | Windows 98 |
| 13 | 46 | 0.19 | 36 | 0.65 | +http://www.uptime.com/uptimebot |
| 14 | 24 | 0.10 | 1 | 0.02 | +http://www.privacyaware.org |
| 15 | 22 | 0.09 | 3 | 0.05 | +http://www.exabot.com/go/robot |
| 16 | 20 | 0.08 | 1 | 0.02 | +https://www.aihitdata.com/about |
| 17 | 17 | 0.07 | 2 | 0.04 | FreeBSD [unknown version] |
| 18 | 16 | 0.07 | 4 | 0.07 | +http://OpenLinkProfiler.org/bot |
| 19 | 9 | 0.04 | 2 | 0.04 | +http://webmeup-crawler.com/ |
| 20 | 4 | 0.02 | 2 | 0.04 | +info@netcraft.com |
| 21 | 2 | 0.01 | 2 | 0.04 | http://nmap.org/book/nse.html |
| 22 | 2 | 0.01 | 1 | 0.02 | +http://www.linkpad.ru |
| 23 | 2 | 0.01 | 0 | 0.00 | +https://www.mojeek.com/bot.html |
| 24 | 2 | 0.01 | 2 | 0.04 | Intel Mac OS X 10.6 |
| 25 | 2 | 0.01 | 2 | 0.04 | +http://megaindex.com/crawler |
| 26 | 2 | 0.01 | 0 | 0.00 | +http://www.semrush.com/bot.html |
