| Used Operating Systems |
| 1 | 13388 | 44.66 | 175 | 2.63 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 7022 | 23.42 | 2388 | 35.94 | +http://ahrefs.com/robot/ |
| 3 | 4117 | 13.73 | 2739 | 41.23 | +http://www.baidu.com/search/spider.html |
| 4 | 1905 | 6.35 | 462 | 6.95 | Windows NT |
| 5 | 1290 | 4.30 | 269 | 4.05 | +http://www.google.com/bot.html |
| 6 | 908 | 3.03 | 317 | 4.77 | +http://www.bing.com/bingbot.htm |
| 7 | 606 | 2.02 | 3 | 0.05 | +http://webmeup-crawler.com/ |
| 8 | 265 | 0.88 | 116 | 1.75 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 9 | 211 | 0.70 | 49 | 0.74 | +http://www.linkdex.com/bots/ |
| 10 | 113 | 0.38 | 39 | 0.59 | +http://yandex.com/bots |
| 11 | 31 | 0.10 | 14 | 0.21 | +http://www.semrush.com/bot.html |
| 12 | 24 | 0.08 | 19 | 0.29 | Windows 95 |
| 13 | 20 | 0.07 | 4 | 0.06 | +http://OpenLinkProfiler.org/bot |
| 14 | 10 | 0.03 | 5 | 0.08 | +http://www.meanpath.com/meanpathbot.htm... |
| 15 | 9 | 0.03 | 6 | 0.09 | Windows 98 |
| 16 | 8 | 0.03 | 2 | 0.03 | +https://www.lipperhey.com/en/about/ |
| 17 | 5 | 0.02 | 5 | 0.08 | Auto; Windows |
| 18 | 5 | 0.02 | 4 | 0.06 | Windows 3.1 |
| 19 | 4 | 0.01 | 4 | 0.06 | Windows ME |
| 20 | 4 | 0.01 | 2 | 0.03 | +http://duckduckgo.com |
| 21 | 3 | 0.01 | 3 | 0.05 | Windows 2000 |
| 22 | 3 | 0.01 | 1 | 0.02 | Windows XP |
| 23 | 3 | 0.01 | 1 | 0.02 | +https://www.aihitdata.com/about |
| 24 | 2 | 0.01 | 2 | 0.03 | http://nmap.org/book/nse.html |
| 25 | 2 | 0.01 | 1 | 0.02 | http://www.opensiteexplorer.org/dotbot, ... |
| 26 | 2 | 0.01 | 1 | 0.02 | +https://gimmeusa.com/crawler.html |
| 27 | 2 | 0.01 | 1 | 0.02 | http://www.botje.com/plukkie.htm |
| 28 | 2 | 0.01 | 2 | 0.03 | MSIE 5.5; Windows NT 5.0 |
| 29 | 2 | 0.01 | 1 | 0.02 | +info@netcraft.com |
| 30 | 2 | 0.01 | 2 | 0.03 | +http://www.uptime.com/uptimebot |
| 31 | 2 | 0.01 | 2 | 0.03 | X11 |
| 32 | 2 | 0.01 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 33 | 2 | 0.01 | 2 | 0.03 | MSIE 5.5; Windows NT 4.0 |
| 34 | 1 | 0.00 | 1 | 0.02 | +http://www.privacyaware.org |
| 35 | 1 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 36 | 1 | 0.00 | 1 | 0.02 | +http://www.grapeshot.co.uk/crawler.php |
| 37 | 1 | 0.00 | 0 | 0.00 | Android 2.3.5 |
| 38 | 1 | 0.00 | 1 | 0.02 | Linux i686 [unknown version] |
