| Used Operating Systems |
| 1 | 19112 | 55.75 | 140 | 2.93 | http://mj12bot.com/ |
| 2 | 3750 | 10.94 | 1 | 0.02 | +http://megaindex.com/crawler |
| 3 | 2198 | 6.41 | 1969 | 41.17 | +http://www.baidu.com/search/spider.html |
| 4 | 1942 | 5.67 | 994 | 20.78 | Windows NT |
| 5 | 1923 | 5.61 | 237 | 4.96 | http://www.opensiteexplorer.org/dotbot, ... |
| 6 | 1214 | 3.54 | 261 | 5.46 | +http://ahrefs.com/robot/ |
| 7 | 1085 | 3.17 | 178 | 3.72 | +http://napoveda.seznam.cz/en/seznambot-... |
| 8 | 582 | 1.70 | 180 | 3.76 | +http://yandex.com/bots |
| 9 | 445 | 1.30 | 117 | 2.45 | +http://www.google.com/bot.html |
| 10 | 273 | 0.80 | 192 | 4.01 | Linux i686 [unknown version] |
| 11 | 229 | 0.67 | 3 | 0.06 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 12 | 228 | 0.67 | 109 | 2.28 | +http://www.bing.com/bingbot.htm |
| 13 | 219 | 0.64 | 59 | 1.23 | +http://www.linkdex.com/bots/ |
| 14 | 204 | 0.60 | 1 | 0.02 | Linux [unknown version] |
| 15 | 136 | 0.40 | 4 | 0.08 | +http://OpenLinkProfiler.org/bot |
| 16 | 99 | 0.29 | 81 | 1.69 | Windows 95 |
| 17 | 95 | 0.28 | 45 | 0.94 | Windows 98 |
| 18 | 68 | 0.20 | 2 | 0.04 | +https://www.aihitdata.com/about |
| 19 | 47 | 0.14 | 10 | 0.21 | +http://www.exabot.com/go/robot |
| 20 | 46 | 0.13 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 21 | 42 | 0.12 | 26 | 0.54 | Windows CE |
| 22 | 34 | 0.10 | 18 | 0.38 | Auto; Windows |
| 23 | 33 | 0.10 | 22 | 0.46 | Windows ME |
| 24 | 30 | 0.09 | 20 | 0.42 | MSIE 5.5; Windows NT 5.0 |
| 25 | 28 | 0.08 | 14 | 0.29 | http://www.tkl.iis.u-tokyo.ac.jp/~crawle... |
| 26 | 26 | 0.08 | 23 | 0.48 | +http://www.uptime.com/uptimebot |
| 27 | 24 | 0.07 | 12 | 0.25 | Windows XP |
| 28 | 21 | 0.06 | 12 | 0.25 | MSIE 5.5; Windows NT 4.0 |
| 29 | 20 | 0.06 | 1 | 0.02 | +http://filterdb.iss.net/crawler/ |
| 30 | 19 | 0.06 | 18 | 0.38 | ) - BrowseX (2.0.0 Windows |
| 31 | 18 | 0.05 | 2 | 0.04 | +http://www.seokicks.de/robot.html |
| 32 | 15 | 0.04 | 12 | 0.25 | Windows 2000 |
| 33 | 12 | 0.04 | 4 | 0.08 | http://help.yahoo.com/help/us/ysearch/sl... |
| 34 | 12 | 0.04 | 0 | 0.00 | http://yooz.ir; info@yooz.ir |
| 35 | 12 | 0.04 | 0 | 0.00 | +http://www.xovibot.net/ |
| 36 | 9 | 0.03 | 5 | 0.10 | Windows 3.1 |
| 37 | 6 | 0.02 | 0 | 0.00 | +https://www.mojeek.com/bot.html |
| 38 | 4 | 0.01 | 0 | 0.00 | +http://siteexplorer.info/Backlink-Check... |
| 39 | 4 | 0.01 | 2 | 0.04 | +info@netcraft.com |
| 40 | 4 | 0.01 | 2 | 0.04 | http://www.majestic12.co.uk/bot.php?+ |
| 41 | 2 | 0.01 | 1 | 0.02 | +http://cliqz.com/company/cliqzbot |
| 42 | 2 | 0.01 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 43 | 1 | 0.00 | 1 | 0.02 | https://nmap.org/book/nse.html |
| 44 | 1 | 0.00 | 1 | 0.02 | +https://github.com/AliasIO/Wappalyzer |
| 45 | 1 | 0.00 | 0 | 0.00 | Macintosh PPC |
| 46 | 1 | 0.00 | 1 | 0.02 | Macintosh; Intel Mac OS X 10_7_3; Triden... |
| 47 | 1 | 0.00 | 1 | 0.02 | +http://www.id-search.xyz/bot.html |
| 48 | 1 | 0.00 | 1 | 0.02 | X11 |
| 49 | 1 | 0.00 | 1 | 0.02 | Macintosh |
