| Used Operating Systems |
| 1 | 16156 | 48.77 | 207 | 4.23 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 7490 | 22.61 | 188 | 3.85 | +http://ahrefs.com/robot/ |
| 3 | 3830 | 11.56 | 2748 | 56.21 | +http://www.baidu.com/search/spider.html |
| 4 | 3149 | 9.51 | 820 | 16.77 | Windows NT |
| 5 | 1038 | 3.13 | 331 | 6.77 | +http://www.google.com/bot.html |
| 6 | 737 | 2.22 | 265 | 5.42 | +http://www.bing.com/bingbot.htm |
| 7 | 241 | 0.73 | 140 | 2.86 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 8 | 232 | 0.70 | 94 | 1.92 | +http://yandex.com/bots |
| 9 | 101 | 0.30 | 37 | 0.76 | +http://www.linkdex.com/bots/ |
| 10 | 35 | 0.11 | 2 | 0.04 | +http://webmeup-crawler.com/ |
| 11 | 22 | 0.07 | 11 | 0.22 | http://www.opensiteexplorer.org/dotbot, ... |
| 12 | 20 | 0.06 | 11 | 0.22 | +https://gimmeusa.com/pages/crawler |
| 13 | 13 | 0.04 | 3 | 0.06 | +http://OpenLinkProfiler.org/bot |
| 14 | 8 | 0.02 | 2 | 0.04 | +https://www.lipperhey.com/en/about/ |
| 15 | 8 | 0.02 | 4 | 0.08 | +http://www.meanpath.com/meanpathbot.htm... |
| 16 | 6 | 0.02 | 2 | 0.04 | +https://www.aihitdata.com/about |
| 17 | 6 | 0.02 | 3 | 0.06 | +http://duckduckgo.com |
| 18 | 5 | 0.02 | 3 | 0.06 | Linux i686 [unknown version] |
| 19 | 4 | 0.01 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 20 | 3 | 0.01 | 3 | 0.06 | http://nmap.org/book/nse.html |
| 21 | 3 | 0.01 | 3 | 0.06 | +http://www.domaintuno.com/robot |
| 22 | 3 | 0.01 | 2 | 0.04 | +info@netcraft.com |
| 23 | 3 | 0.01 | 3 | 0.06 | +http://domainsigma.com/robot |
| 24 | 2 | 0.01 | 0 | 0.00 | http://desktop.google.com/ |
| 25 | 2 | 0.01 | 2 | 0.04 | Windows 2000 |
| 26 | 2 | 0.01 | 0 | 0.00 | Windows 98 |
| 27 | 2 | 0.01 | 2 | 0.04 | +http://www.grapeshot.co.uk/crawler.php |
| 28 | 2 | 0.01 | 0 | 0.00 | +http://fulltext.sblog.cz/ |
| 29 | 1 | 0.00 | 1 | 0.02 | Windows 95 |
| 30 | 1 | 0.00 | 0 | 0.00 | Windows ME |
| 31 | 1 | 0.00 | 1 | 0.02 | Linux [unknown version] |
| 32 | 1 | 0.00 | 1 | 0.02 | SunOS i86pc |
| 33 | 1 | 0.00 | 0 | 0.00 | +http://www.semrush.com/bot.html |
