| Used Operating Systems |
| 1 | 33971 | 58.27 | 472 | 4.37 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 7289 | 12.50 | 4621 | 42.82 | +http://www.baidu.com/search/spider.html |
| 3 | 5678 | 9.74 | 898 | 8.32 | Windows NT |
| 4 | 5025 | 8.62 | 2794 | 25.89 | +http://ahrefs.com/robot/ |
| 5 | 1842 | 3.16 | 127 | 1.18 | +http://yandex.com/bots |
| 6 | 1228 | 2.11 | 348 | 3.22 | +http://www.bing.com/bingbot.htm |
| 7 | 902 | 1.55 | 411 | 3.81 | +http://www.google.com/bot.html |
| 8 | 640 | 1.10 | 235 | 2.18 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 9 | 586 | 1.01 | 334 | 3.10 | +http://www.linkdex.com/bots/ |
| 10 | 312 | 0.54 | 257 | 2.38 | +http://www.xovibot.net/ |
| 11 | 125 | 0.21 | 31 | 0.29 | +http://www.semrush.com/bot.html |
| 12 | 122 | 0.21 | 30 | 0.28 | +http://napoveda.seznam.cz/en/seznambot-... |
| 13 | 64 | 0.11 | 36 | 0.33 | Windows 95 |
| 14 | 63 | 0.11 | 12 | 0.11 | +spider@seoscanners.net |
| 15 | 56 | 0.10 | 23 | 0.21 | http://help.yahoo.com/help/us/ysearch/sl... |
| 16 | 48 | 0.08 | 22 | 0.20 | Windows XP |
| 17 | 44 | 0.08 | 21 | 0.19 | Windows 98 |
| 18 | 40 | 0.07 | 4 | 0.04 | +http://OpenLinkProfiler.org/bot |
| 19 | 36 | 0.06 | 4 | 0.04 | +http://www.seokicks.de/robot.html |
| 20 | 34 | 0.06 | 17 | 0.16 | +http://duckduckgo.com |
| 21 | 20 | 0.03 | 2 | 0.02 | +https://www.aihitdata.com/about |
| 22 | 18 | 0.03 | 10 | 0.09 | Windows CE |
| 23 | 18 | 0.03 | 12 | 0.11 | Auto; Windows |
| 24 | 17 | 0.03 | 6 | 0.06 | Windows 3.1 |
| 25 | 16 | 0.03 | 7 | 0.06 | +http://www.findxbot.com |
| 26 | 14 | 0.02 | 4 | 0.04 | +http://siteexplorer.info/ |
| 27 | 11 | 0.02 | 6 | 0.06 | Windows 2000 |
| 28 | 11 | 0.02 | 6 | 0.06 | MSIE 5.5; Windows NT 4.0 |
| 29 | 10 | 0.02 | 8 | 0.07 | ) - BrowseX (2.0.0 Windows |
| 30 | 10 | 0.02 | 2 | 0.02 | +http://www.profound.net/domainappender |
| 31 | 10 | 0.02 | 5 | 0.05 | +http://www.exabot.com/go/robot |
| 32 | 8 | 0.01 | 4 | 0.04 | +https://www.mojeek.com/bot.html |
| 33 | 7 | 0.01 | 4 | 0.04 | MSIE 5.5; Windows NT 5.0 |
| 34 | 6 | 0.01 | 2 | 0.02 | +https://www.dataprovider.com/ |
| 35 | 4 | 0.01 | 4 | 0.04 | Windows ME |
| 36 | 4 | 0.01 | 2 | 0.02 | +info@netcraft.com |
| 37 | 2 | 0.00 | 2 | 0.02 | +http://pmoz.info/doc/botinfo.htm |
| 38 | 2 | 0.00 | 2 | 0.02 | http://nmap.org/book/nse.html |
| 39 | 2 | 0.00 | 1 | 0.01 | +http://webmeup-crawler.com/ |
| 40 | 2 | 0.00 | 2 | 0.02 | +http://www.grapeshot.co.uk/crawler.php |
| 41 | 2 | 0.00 | 0 | 0.00 | +http://www.pdffiller.com/en/support.htm |
| 42 | 1 | 0.00 | 1 | 0.01 | +http://sur.ly/bot.html |
| 43 | 1 | 0.00 | 1 | 0.01 | FreeBSD [unknown version] |
| 44 | 1 | 0.00 | 1 | 0.01 | Windows 2006 |
| 45 | 1 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
