| Used Operating Systems |
| 1 | 39424 | 40.68 | 911 | 5.93 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 15751 | 16.25 | 9061 | 58.97 | +http://ahrefs.com/robot/ |
| 3 | 7559 | 7.80 | 703 | 4.58 | Windows NT |
| 4 | 6629 | 6.84 | 706 | 4.59 | http://www.opensiteexplorer.org/dotbot, ... |
| 5 | 5112 | 5.28 | 23 | 0.15 | +http://OpenLinkProfiler.org/bot |
| 6 | 4772 | 4.92 | 547 | 3.56 | +http://yandex.com/bots |
| 7 | 3816 | 3.94 | 1667 | 10.85 | +http://www.google.com/bot.html |
| 8 | 3636 | 3.75 | 960 | 6.25 | +http://www.bing.com/bingbot.htm |
| 9 | 2545 | 2.63 | 0 | 0.00 | +http://www.baidu.com/search/spider.html |
| 10 | 2061 | 2.13 | 128 | 0.83 | +http://www.semrush.com/bot.html |
| 11 | 1686 | 1.74 | 2 | 0.01 | +http://megaindex.com/crawler |
| 12 | 927 | 0.96 | 1 | 0.01 | crawler@goodzer.com |
| 13 | 617 | 0.64 | 136 | 0.89 | +http://www.linkdex.com/bots/ |
| 14 | 470 | 0.49 | 242 | 1.57 | http://help.yahoo.com/help/us/ysearch/sl... |
| 15 | 448 | 0.46 | 1 | 0.01 | +http://www.linkpad.ru |
| 16 | 393 | 0.41 | 4 | 0.03 | +http://www.warebay.com/bot.html |
| 17 | 188 | 0.19 | 37 | 0.24 | +http://napoveda.seznam.cz/en/seznambot-... |
| 18 | 120 | 0.12 | 12 | 0.08 | +http://www.profound.net/domainappender |
| 19 | 111 | 0.11 | 11 | 0.07 | Windows 95 |
| 20 | 108 | 0.11 | 46 | 0.30 | +http://duckduckgo.com |
| 21 | 70 | 0.07 | 7 | 0.05 | +https://www.aihitdata.com/about |
| 22 | 57 | 0.06 | 17 | 0.11 | Windows XP |
| 23 | 44 | 0.05 | 26 | 0.17 | +http://www.exabot.com/go/robot |
| 24 | 40 | 0.04 | 5 | 0.03 | +http://www.seokicks.de/robot.html |
| 25 | 37 | 0.04 | 4 | 0.03 | Windows 98 |
| 26 | 36 | 0.04 | 34 | 0.22 | +http://www.xovibot.net/ |
| 27 | 35 | 0.04 | 5 | 0.03 | http://filterdb.iss.net/crawler/ |
| 28 | 30 | 0.03 | 15 | 0.10 | +spider@seoscanners.net |
| 29 | 30 | 0.03 | 6 | 0.04 | +https://www.dataprovider.com/ |
| 30 | 24 | 0.02 | 4 | 0.03 | +http://siteexplorer.info/ |
| 31 | 19 | 0.02 | 2 | 0.01 | MSIE 5.5; Windows NT 4.0 |
| 32 | 15 | 0.02 | 2 | 0.01 | Windows 3.1 |
| 33 | 13 | 0.01 | 2 | 0.01 | crawler@mixrank.com |
| 34 | 12 | 0.01 | 4 | 0.03 | ) - BrowseX (2.0.0 Windows |
| 35 | 9 | 0.01 | 2 | 0.01 | MSIE 5.5; Windows NT 5.0 |
| 36 | 8 | 0.01 | 7 | 0.05 | +info@netcraft.com |
| 37 | 7 | 0.01 | 1 | 0.01 | Auto; Windows |
| 38 | 7 | 0.01 | 5 | 0.03 | +http://www.grapeshot.co.uk/crawler.php |
| 39 | 4 | 0.00 | 0 | 0.00 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 40 | 4 | 0.00 | 4 | 0.03 | Linux [unknown version] |
| 41 | 4 | 0.00 | 1 | 0.01 | +http://webmeup-crawler.com/ |
| 42 | 4 | 0.00 | 3 | 0.02 | Linux i586 [unknown version] |
| 43 | 3 | 0.00 | 1 | 0.01 | Windows CE |
| 44 | 3 | 0.00 | 1 | 0.01 | Windows 2000 |
| 45 | 3 | 0.00 | 1 | 0.01 | http://nmap.org/book/nse.html |
| 46 | 2 | 0.00 | 1 | 0.01 | +https://www.mojeek.com/bot.html |
| 47 | 2 | 0.00 | 1 | 0.01 | Windows ME |
| 48 | 2 | 0.00 | 2 | 0.01 | MSIE 9.0; WIndows NT 9.0; en-US |
| 49 | 2 | 0.00 | 1 | 0.01 | https://help.yahoo.com/kb/mail/yahoo-lin... |
| 50 | 2 | 0.00 | 1 | 0.01 | +http://domainsigma.com/robot |
| 51 | 1 | 0.00 | 1 | 0.01 | +https://gimmeusa.com/crawler.html |
| 52 | 1 | 0.00 | 1 | 0.01 | S60 |
| 53 | 1 | 0.00 | 0 | 0.00 | +http://www.domainoptima.com/robot |
| 54 | 1 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 55 | 1 | 0.00 | 1 | 0.01 | Macintosh |
