| Used Operating Systems |
| 1 | 36881 | 35.21 | 392 | 1.93 | http://mj12bot.com/ |
| 2 | 26206 | 25.02 | 14710 | 72.53 | +http://ahrefs.com/robot/ |
| 3 | 12000 | 11.46 | 920 | 4.54 | Windows NT |
| 4 | 4626 | 4.42 | 1182 | 5.83 | +http://www.bing.com/bingbot.htm |
| 5 | 3669 | 3.50 | 1230 | 6.06 | +http://www.google.com/bot.html |
| 6 | 3101 | 2.96 | 21 | 0.10 | +http://www.baidu.com/search/spider.html |
| 7 | 3047 | 2.91 | 27 | 0.13 | http://www.majestic12.co.uk/bot.php?+ |
| 8 | 2803 | 2.68 | 506 | 2.49 | +http://yandex.com/bots |
| 9 | 2204 | 2.10 | 18 | 0.09 | +http://OpenLinkProfiler.org/bot |
| 10 | 2143 | 2.05 | 3 | 0.01 | +http://megaindex.com/crawler |
| 11 | 1640 | 1.57 | 40 | 0.20 | +http://www.semrush.com/bot.html |
| 12 | 1585 | 1.51 | 2 | 0.01 | crawler@goodzer.com |
| 13 | 738 | 0.70 | 137 | 0.68 | +http://www.linkdex.com/bots/ |
| 14 | 734 | 0.70 | 111 | 0.55 | +http://napoveda.seznam.cz/en/seznambot-... |
| 15 | 564 | 0.54 | 2 | 0.01 | X11 |
| 16 | 506 | 0.48 | 430 | 2.12 | +http://www.uptime.com/uptimebot |
| 17 | 429 | 0.41 | 201 | 0.99 | http://help.yahoo.com/help/us/ysearch/sl... |
| 18 | 429 | 0.41 | 3 | 0.01 | +http://webmeup-crawler.com/ |
| 19 | 372 | 0.36 | 11 | 0.05 | +http://siteexplorer.info/Backlink-Check... |
| 20 | 189 | 0.18 | 21 | 0.10 | +http://www.profound.net/domainappender |
| 21 | 142 | 0.14 | 58 | 0.29 | +http://duckduckgo.com |
| 22 | 126 | 0.12 | 8 | 0.04 | +https://www.aihitdata.com/about |
| 23 | 103 | 0.10 | 34 | 0.17 | Windows XP |
| 24 | 61 | 0.06 | 33 | 0.16 | +https://gimmeusa.com/crawler.html |
| 25 | 52 | 0.05 | 22 | 0.11 | Windows 95 |
| 26 | 51 | 0.05 | 28 | 0.14 | +http://www.exabot.com/go/robot |
| 27 | 37 | 0.04 | 21 | 0.10 | Windows 98 |
| 28 | 36 | 0.03 | 17 | 0.08 | +spider@seoscanners.net |
| 29 | 32 | 0.03 | 16 | 0.08 | +https://www.mojeek.com/bot.html |
| 30 | 24 | 0.02 | 4 | 0.02 | +http://www.seokicks.de/robot.html |
| 31 | 22 | 0.02 | 6 | 0.03 | Linux [unknown version] |
| 32 | 21 | 0.02 | 3 | 0.01 | http://filterdb.iss.net/crawler/ |
| 33 | 20 | 0.02 | 9 | 0.04 | Windows 2000 |
| 34 | 17 | 0.02 | 2 | 0.01 | +http://filterdb.iss.net/crawler/ |
| 35 | 16 | 0.02 | 7 | 0.03 | http://www.botje.com/plukkie.htm |
| 36 | 15 | 0.01 | 3 | 0.01 | MSIE 5.5; Windows NT 4.0 |
| 37 | 12 | 0.01 | 3 | 0.01 | +http://www.warebay.com/bot.html |
| 38 | 12 | 0.01 | 5 | 0.02 | http://www.opensiteexplorer.org/dotbot, ... |
| 39 | 11 | 0.01 | 10 | 0.05 | +info@netcraft.com |
| 40 | 8 | 0.01 | 4 | 0.02 | Windows 3.1 |
| 41 | 8 | 0.01 | 2 | 0.01 | Linux i686 [unknown version] |
| 42 | 8 | 0.01 | 5 | 0.02 | +http://www.grapeshot.co.uk/crawler.php |
| 43 | 4 | 0.00 | 0 | 0.00 | Auto; Windows |
| 44 | 4 | 0.00 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 45 | 3 | 0.00 | 1 | 0.00 | http://nmap.org/book/nse.html |
| 46 | 3 | 0.00 | 0 | 0.00 | +http://www.similartech.com/smtbot |
| 47 | 3 | 0.00 | 1 | 0.00 | MSIE 5.5; Windows NT 5.0 |
| 48 | 3 | 0.00 | 3 | 0.01 | ) - BrowseX (2.0.0 Windows |
| 49 | 3 | 0.00 | 1 | 0.00 | https://help.yahoo.com/kb/mail/yahoo-lin... |
| 50 | 2 | 0.00 | 2 | 0.01 | crawler@mixrank.com |
| 51 | 2 | 0.00 | 1 | 0.00 | Windows ME |
| 52 | 2 | 0.00 | 2 | 0.01 | Linux i586 [unknown version] |
| 53 | 2 | 0.00 | 2 | 0.01 | U; 32bit |
| 54 | 2 | 0.00 | 1 | 0.00 | +http://prlog.ru/ |
