| Used Operating Systems |
| 1 | 44552 | 35.54 | 920 | 5.15 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 23087 | 18.42 | 10332 | 57.80 | +http://ahrefs.com/robot/ |
| 3 | 13477 | 10.75 | 705 | 3.94 | Windows NT |
| 4 | 10914 | 8.71 | 1240 | 6.94 | http://www.opensiteexplorer.org/dotbot, ... |
| 5 | 5098 | 4.07 | 21 | 0.12 | +http://OpenLinkProfiler.org/bot |
| 6 | 4885 | 3.90 | 2022 | 11.31 | +http://www.google.com/bot.html |
| 7 | 4402 | 3.51 | 1128 | 6.31 | +http://www.bing.com/bingbot.htm |
| 8 | 4211 | 3.36 | 5 | 0.03 | +http://megaindex.com/crawler |
| 9 | 3708 | 2.96 | 4 | 0.02 | crawler@goodzer.com |
| 10 | 2960 | 2.36 | 173 | 0.97 | +http://www.semrush.com/bot.html |
| 11 | 2632 | 2.10 | 0 | 0.00 | +http://www.baidu.com/search/spider.html |
| 12 | 2586 | 2.06 | 543 | 3.04 | +http://yandex.com/bots |
| 13 | 809 | 0.65 | 368 | 2.06 | http://help.yahoo.com/help/us/ysearch/sl... |
| 14 | 599 | 0.48 | 122 | 0.68 | +http://www.linkdex.com/bots/ |
| 15 | 254 | 0.20 | 21 | 0.12 | +http://napoveda.seznam.cz/en/seznambot-... |
| 16 | 250 | 0.20 | 1 | 0.01 | Linux i586 [unknown version] |
| 17 | 106 | 0.08 | 6 | 0.03 | +https://www.aihitdata.com/about |
| 18 | 106 | 0.08 | 48 | 0.27 | +http://duckduckgo.com |
| 19 | 80 | 0.06 | 8 | 0.04 | +http://www.profound.net/domainappender |
| 20 | 78 | 0.06 | 27 | 0.15 | Windows XP |
| 21 | 78 | 0.06 | 12 | 0.07 | Windows 95 |
| 22 | 53 | 0.04 | 13 | 0.07 | Windows 98 |
| 23 | 42 | 0.03 | 24 | 0.13 | +http://www.exabot.com/go/robot |
| 24 | 40 | 0.03 | 7 | 0.04 | Windows CE |
| 25 | 36 | 0.03 | 16 | 0.09 | +spider@seoscanners.net |
| 26 | 35 | 0.03 | 5 | 0.03 | http://filterdb.iss.net/crawler/ |
| 27 | 33 | 0.03 | 8 | 0.04 | +https://www.dataprovider.com/ |
| 28 | 30 | 0.02 | 29 | 0.16 | +http://www.xovibot.net/ |
| 29 | 25 | 0.02 | 0 | 0.00 | snap; +http://support.embed.ly/ |
| 30 | 24 | 0.02 | 3 | 0.02 | +http://www.seokicks.de/robot.html |
| 31 | 22 | 0.02 | 3 | 0.02 | Windows 3.1 |
| 32 | 15 | 0.01 | 7 | 0.04 | +http://www.uptime.com/uptimebot |
| 33 | 12 | 0.01 | 2 | 0.01 | MSIE 5.5; Windows NT 5.0 |
| 34 | 12 | 0.01 | 11 | 0.06 | +info@netcraft.com |
| 35 | 10 | 0.01 | 0 | 0.00 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 36 | 10 | 0.01 | 5 | 0.03 | +http://www.grapeshot.co.uk/crawler.php |
| 37 | 9 | 0.01 | 3 | 0.02 | +http://siteexplorer.info/ |
| 38 | 8 | 0.01 | 0 | 0.00 | https://nmap.org/book/nse.html |
| 39 | 8 | 0.01 | 4 | 0.02 | Linux i686 [unknown version] |
| 40 | 8 | 0.01 | 4 | 0.02 | WinHttp.WinHttpRequest.5 |
| 41 | 7 | 0.01 | 4 | 0.02 | Windows 2000 |
| 42 | 6 | 0.00 | 3 | 0.02 | +https://www.mojeek.com/bot.html |
| 43 | 6 | 0.00 | 3 | 0.02 | +http://www.apple.com/go/applebot |
| 44 | 5 | 0.00 | 5 | 0.03 | +http://support.embed.ly/ |
| 45 | 5 | 0.00 | 5 | 0.03 | Linux [unknown version] |
| 46 | 4 | 0.00 | 1 | 0.01 | +http://webmeup-crawler.com/ |
| 47 | 3 | 0.00 | 1 | 0.01 | +https://gimmeusa.com/crawler.html |
| 48 | 3 | 0.00 | 1 | 0.01 | http://nmap.org/book/nse.html |
| 49 | 3 | 0.00 | 1 | 0.01 | Windows ME |
| 50 | 1 | 0.00 | 0 | 0.00 | MSIE 5.5; Windows 98 |
| 51 | 1 | 0.00 | 1 | 0.01 | FreeBSD [unknown version] |
| 52 | 1 | 0.00 | 1 | 0.01 | ) - BrowseX (2.0.0 Windows |
