| Used Operating Systems by Visits |
| 1 | 6752 | 13.98 | 790 | 21.47 | http://www.opensiteexplorer.org/dotbot, ... |
| 2 | 924 | 1.91 | 783 | 21.28 | +http://www.baidu.com/search/spider.html |
| 3 | 1369 | 2.83 | 737 | 20.03 | Windows NT |
| 4 | 1066 | 2.21 | 236 | 6.41 | +http://ahrefs.com/robot/ |
| 5 | 35044 | 72.55 | 199 | 5.41 | http://mj12bot.com/ |
| 6 | 179 | 0.37 | 141 | 3.83 | Linux i686 [unknown version] |
| 7 | 273 | 0.57 | 141 | 3.83 | +http://www.bing.com/bingbot.htm |
| 8 | 520 | 1.08 | 132 | 3.59 | +http://yandex.com/bots |
| 9 | 751 | 1.55 | 127 | 3.45 | +http://napoveda.seznam.cz/en/seznambot-... |
| 10 | 302 | 0.63 | 83 | 2.26 | +http://www.google.com/bot.html |
| 11 | 83 | 0.17 | 69 | 1.88 | Windows 95 |
| 12 | 191 | 0.40 | 56 | 1.52 | +http://www.linkdex.com/bots/ |
| 13 | 40 | 0.08 | 28 | 0.76 | Windows 98 |
| 14 | 40 | 0.08 | 27 | 0.73 | +http://www.uptime.com/uptimebot |
| 15 | 15 | 0.03 | 15 | 0.41 | MSIE 5.5; Windows NT 5.0 |
| 16 | 28 | 0.06 | 14 | 0.38 | http://www.tkl.iis.u-tokyo.ac.jp/~crawle... |
| 17 | 14 | 0.03 | 14 | 0.38 | MSIE 5.5; Windows NT 4.0 |
| 18 | 15 | 0.03 | 12 | 0.33 | Windows CE |
| 19 | 13 | 0.03 | 11 | 0.30 | ) - BrowseX (2.0.0 Windows |
| 20 | 11 | 0.02 | 10 | 0.27 | Auto; Windows |
| 21 | 25 | 0.05 | 7 | 0.19 | Windows XP |
| 22 | 24 | 0.05 | 6 | 0.16 | +http://www.exabot.com/go/robot |
| 23 | 5 | 0.01 | 5 | 0.14 | Windows ME |
| 24 | 7 | 0.01 | 5 | 0.14 | Windows 3.1 |
| 25 | 8 | 0.02 | 4 | 0.11 | Windows 2000 |
| 26 | 116 | 0.24 | 3 | 0.08 | +http://OpenLinkProfiler.org/bot |
| 27 | 2 | 0.00 | 2 | 0.05 | +https://github.com/AliasIO/Wappalyzer |
| 28 | 10 | 0.02 | 2 | 0.05 | http://help.yahoo.com/help/us/ysearch/sl... |
| 29 | 205 | 0.42 | 2 | 0.05 | Linux [unknown version] |
| 30 | 9 | 0.02 | 2 | 0.05 | +http://siteexplorer.info/Backlink-Check... |
| 31 | 20 | 0.04 | 2 | 0.05 | +http://cliqz.com/company/cliqzbot |
| 32 | 2 | 0.00 | 2 | 0.05 | PPC Mac OS X Mach-O |
| 33 | 3 | 0.01 | 2 | 0.05 | +info@netcraft.com |
| 34 | 18 | 0.04 | 2 | 0.05 | +http://www.seokicks.de/robot.html |
| 35 | 1 | 0.00 | 1 | 0.03 | https://nmap.org/book/nse.html |
| 36 | 1 | 0.00 | 1 | 0.03 | OpenBSD [unknown version] |
| 37 | 2 | 0.00 | 1 | 0.03 | Mail.RU_Bot/Robots/2.0; +http://go.mail.... |
| 38 | 18 | 0.04 | 1 | 0.03 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 39 | 113 | 0.23 | 1 | 0.03 | +http://www.similartech.com/smtbot |
| 40 | 1 | 0.00 | 1 | 0.03 | http://www.similartech.com/smtbot |
| 41 | 34 | 0.07 | 1 | 0.03 | +https://www.aihitdata.com/about |
| 42 | 2 | 0.00 | 1 | 0.03 | http://www.majestic12.co.uk/bot.php?+ |
| 43 | 1 | 0.00 | 1 | 0.03 | WinHttp.WinHttpRequest.5 |
| 44 | 1 | 0.00 | 0 | 0.00 | Macintosh PPC |
| 45 | 1 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 46 | 2 | 0.00 | 0 | 0.00 | +https://www.mojeek.com/bot.html |
| 47 | 39 | 0.08 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 48 | 4 | 0.01 | 0 | 0.00 | +http://www.xovibot.net/ |
