| Used Operating Systems |
| 1 | 35346 | 53.14 | 451 | 4.09 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 9347 | 14.05 | 586 | 5.32 | Windows NT |
| 3 | 7530 | 11.32 | 4644 | 42.15 | +http://www.baidu.com/search/spider.html |
| 4 | 6829 | 10.27 | 3541 | 32.14 | +http://ahrefs.com/robot/ |
| 5 | 2631 | 3.96 | 402 | 3.65 | +http://www.google.com/bot.html |
| 6 | 1850 | 2.78 | 182 | 1.65 | +http://yandex.com/bots |
| 7 | 1003 | 1.51 | 447 | 4.06 | +http://www.bing.com/bingbot.htm |
| 8 | 577 | 0.87 | 328 | 2.98 | +http://www.linkdex.com/bots/ |
| 9 | 320 | 0.48 | 40 | 0.36 | http://www.opensiteexplorer.org/dotbot, ... |
| 10 | 236 | 0.35 | 9 | 0.08 | +http://napoveda.seznam.cz/en/seznambot-... |
| 11 | 234 | 0.35 | 193 | 1.75 | +http://www.xovibot.net/ |
| 12 | 123 | 0.18 | 31 | 0.28 | +http://www.semrush.com/bot.html |
| 13 | 77 | 0.12 | 32 | 0.29 | http://help.yahoo.com/help/us/ysearch/sl... |
| 14 | 73 | 0.11 | 25 | 0.23 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 15 | 50 | 0.08 | 5 | 0.05 | +http://OpenLinkProfiler.org/bot |
| 16 | 46 | 0.07 | 2 | 0.02 | +http://webmeup-crawler.com/ |
| 17 | 35 | 0.05 | 14 | 0.13 | Windows 98 |
| 18 | 32 | 0.05 | 12 | 0.11 | +http://duckduckgo.com |
| 19 | 27 | 0.04 | 3 | 0.03 | +http://www.seokicks.de/robot.html |
| 20 | 20 | 0.03 | 4 | 0.04 | +http://www.profound.net/domainappender |
| 21 | 19 | 0.03 | 10 | 0.09 | Windows 95 |
| 22 | 14 | 0.02 | 13 | 0.12 | Windows XP |
| 23 | 10 | 0.02 | 6 | 0.05 | Windows CE |
| 24 | 10 | 0.02 | 1 | 0.01 | +https://www.aihitdata.com/about |
| 25 | 10 | 0.02 | 1 | 0.01 | +http://megaindex.com/crawler |
| 26 | 9 | 0.01 | 2 | 0.02 | +spider@seoscanners.net |
| 27 | 6 | 0.01 | 2 | 0.02 | Windows ME |
| 28 | 6 | 0.01 | 2 | 0.02 | WinHttp.WinHttpRequest.5 |
| 29 | 6 | 0.01 | 2 | 0.02 | +https://www.dataprovider.com/ |
| 30 | 4 | 0.01 | 2 | 0.02 | https://nmap.org/book/nse.html |
| 31 | 4 | 0.01 | 2 | 0.02 | Windows 2000 |
| 32 | 4 | 0.01 | 4 | 0.04 | Auto; Windows |
| 33 | 4 | 0.01 | 2 | 0.02 | Windows 3.1 |
| 34 | 4 | 0.01 | 2 | 0.02 | +http://www.exabot.com/go/robot |
| 35 | 3 | 0.00 | 2 | 0.02 | +info@netcraft.com |
| 36 | 2 | 0.00 | 2 | 0.02 | +http://glutenfreepleasure.com/ |
| 37 | 2 | 0.00 | 2 | 0.02 | http://nmap.org/book/nse.html |
| 38 | 2 | 0.00 | 1 | 0.01 | +https://www.mojeek.com/bot.html |
| 39 | 2 | 0.00 | 1 | 0.01 | MSIE 5.5; Windows NT 5.0 |
| 40 | 2 | 0.00 | 2 | 0.02 | MSIE 5.5; Windows NT 4.0 |
| 41 | 2 | 0.00 | 2 | 0.02 | +http://www.grapeshot.co.uk/crawler.php |
| 42 | 2 | 0.00 | 0 | 0.00 | +http://siteexplorer.info/ |
| 43 | 1 | 0.00 | 1 | 0.01 | +http://pmoz.info/doc/botinfo.htm |
| 44 | 1 | 0.00 | 1 | 0.01 | FreeBSD [unknown version] |
| 45 | 1 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 46 | 1 | 0.00 | 1 | 0.01 | Linux i586 [unknown version] |
| 47 | 1 | 0.00 | 1 | 0.01 | Macintosh |