| Used Operating Systems |
| 1 | 5336 | 32.63 | 73 | 2.31 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 2221 | 13.58 | 1924 | 60.91 | +http://www.baidu.com/search/spider.html |
| 3 | 1750 | 10.70 | 2 | 0.06 | http://crawler.007ac9.net/ |
| 4 | 1708 | 10.44 | 520 | 16.46 | Windows NT |
| 5 | 1065 | 6.51 | 1 | 0.03 | +http://megaindex.com/crawler |
| 6 | 807 | 4.93 | 85 | 2.69 | +http://yandex.com/bots |
| 7 | 647 | 3.96 | 180 | 5.70 | +http://www.bing.com/bingbot.htm |
| 8 | 634 | 3.88 | 0 | 0.00 | +http://ahrefs.com/robot/ |
| 9 | 459 | 2.81 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 10 | 434 | 2.65 | 160 | 5.06 | +http://www.google.com/bot.html |
| 11 | 373 | 2.28 | 56 | 1.77 | +http://napoveda.seznam.cz/en/seznambot-... |
| 12 | 133 | 0.81 | 26 | 0.82 | http://help.yahoo.com/help/us/ysearch/sl... |
| 13 | 108 | 0.66 | 28 | 0.89 | +http://www.linkdex.com/bots/ |
| 14 | 97 | 0.59 | 4 | 0.13 | +http://OpenLinkProfiler.org/bot |
| 15 | 86 | 0.53 | 1 | 0.03 | Linux i586 [unknown version] |
| 16 | 60 | 0.37 | 0 | 0.00 | +http://fulltext.sblog.cz/ |
| 17 | 51 | 0.31 | 12 | 0.38 | Windows XP |
| 18 | 45 | 0.28 | 5 | 0.16 | +http://www.seokicks.de/robot.html |
| 19 | 41 | 0.25 | 0 | 0.00 | http://yooz.ir; info@yooz.ir |
| 20 | 40 | 0.24 | 8 | 0.25 | +http://www.exabot.com/go/robot |
| 21 | 37 | 0.23 | 34 | 1.08 | +http://www.uptime.com/uptimebot |
| 22 | 34 | 0.21 | 1 | 0.03 | +https://www.aihitdata.com/about |
| 23 | 27 | 0.17 | 5 | 0.16 | Windows 95 |
| 24 | 23 | 0.14 | 3 | 0.09 | Windows 98 |
| 25 | 20 | 0.12 | 0 | 0.00 | MSIE 5.5; Windows NT 5.1 |
| 26 | 16 | 0.10 | 4 | 0.13 | +http://webmeup-crawler.com/ |
| 27 | 13 | 0.08 | 1 | 0.03 | +http://filterdb.iss.net/crawler/ |
| 28 | 12 | 0.07 | 4 | 0.13 | MSIE 5.5; Windows NT 5.0 |
| 29 | 12 | 0.07 | 1 | 0.03 | +https://www.dataprovider.com/ |
| 30 | 9 | 0.06 | 2 | 0.06 | Windows 3.1 |
| 31 | 8 | 0.05 | 1 | 0.03 | Auto; Windows |
| 32 | 6 | 0.04 | 0 | 0.00 | Windows CE |
| 33 | 6 | 0.04 | 4 | 0.13 | +info@netcraft.com |
| 34 | 6 | 0.04 | 0 | 0.00 | X11 |
| 35 | 6 | 0.04 | 3 | 0.09 | +http://duckduckgo.com |
| 36 | 5 | 0.03 | 0 | 0.00 | +http://siteexplorer.info/ |
| 37 | 3 | 0.02 | 2 | 0.06 | Linux i686 [unknown version] |
| 38 | 3 | 0.02 | 1 | 0.03 | ) - BrowseX (2.0.0 Windows |
| 39 | 2 | 0.01 | 1 | 0.03 | https://nmap.org/book/nse.html |
| 40 | 2 | 0.01 | 1 | 0.03 | http://www.botje.com/plukkie.htm |
| 41 | 2 | 0.01 | 1 | 0.03 | Windows ME |
| 42 | 2 | 0.01 | 0 | 0.00 | MSIE 5.5; Windows NT 4.0 |
| 43 | 1 | 0.01 | 1 | 0.03 | +https://gimmeusa.com/crawler.html |
| 44 | 1 | 0.01 | 1 | 0.03 | http://nmap.org/book/nse.html |
| 45 | 1 | 0.01 | 1 | 0.03 | +http://www.parsijoo.ir/; crawler@parsij... |
| 46 | 1 | 0.01 | 1 | 0.03 | Linux [unknown version] |
| 47 | 1 | 0.01 | 1 | 0.03 | Android 2.3.5 |
