| Used Operating Systems |
| 1 | 36028 | 39.65 | 287 | 1.05 | http://mj12bot.com/ |
| 2 | 25107 | 27.63 | 21107 | 77.53 | +http://ahrefs.com/robot/ |
| 3 | 15167 | 16.69 | 835 | 3.07 | http://www.opensiteexplorer.org/dotbot, ... |
| 4 | 5026 | 5.53 | 1138 | 4.18 | Windows NT |
| 5 | 2779 | 3.06 | 3 | 0.01 | +http://OpenLinkProfiler.org/bot |
| 6 | 2450 | 2.70 | 2072 | 7.61 | +http://www.baidu.com/search/spider.html |
| 7 | 1376 | 1.51 | 373 | 1.37 | +http://www.linkdex.com/bots/ |
| 8 | 908 | 1.00 | 524 | 1.92 | +http://www.google.com/bot.html |
| 9 | 791 | 0.87 | 412 | 1.51 | http://help.yahoo.com/help/us/ysearch/sl... |
| 10 | 403 | 0.44 | 94 | 0.35 | +http://yandex.com/bots |
| 11 | 248 | 0.27 | 143 | 0.53 | +http://www.bing.com/bingbot.htm |
| 12 | 84 | 0.09 | 17 | 0.06 | +http://siteexplorer.info/Backlink-Check... |
| 13 | 83 | 0.09 | 58 | 0.21 | Windows 95 |
| 14 | 82 | 0.09 | 19 | 0.07 | +http://www.semrush.com/bot.html |
| 15 | 69 | 0.08 | 23 | 0.08 | Windows XP |
| 16 | 54 | 0.06 | 15 | 0.06 | Windows 98 |
| 17 | 44 | 0.05 | 10 | 0.04 | +http://napoveda.seznam.cz/en/seznambot-... |
| 18 | 26 | 0.03 | 13 | 0.05 | Windows ME |
| 19 | 20 | 0.02 | 10 | 0.04 | Windows CE |
| 20 | 17 | 0.02 | 9 | 0.03 | Windows 3.1 |
| 21 | 14 | 0.02 | 8 | 0.03 | Windows 2000 |
| 22 | 11 | 0.01 | 9 | 0.03 | Auto; Windows |
| 23 | 11 | 0.01 | 8 | 0.03 | MSIE 5.5; Windows NT 5.0 |
| 24 | 10 | 0.01 | 1 | 0.00 | +http://www.findxbot.com |
| 25 | 10 | 0.01 | 6 | 0.02 | MSIE 5.5; Windows NT 4.0 |
| 26 | 8 | 0.01 | 6 | 0.02 | ) - BrowseX (2.0.0 Windows |
| 27 | 7 | 0.01 | 1 | 0.00 | http://filterdb.iss.net/crawler/ |
| 28 | 4 | 0.00 | 1 | 0.00 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 29 | 4 | 0.00 | 3 | 0.01 | AyeAyeBot |
| 30 | 4 | 0.00 | 2 | 0.01 | +http://sur.ly/bot.html |
| 31 | 4 | 0.00 | 1 | 0.00 | +https://www.aihitdata.com/about |
| 32 | 3 | 0.00 | 3 | 0.01 | +http://glutenfreepleasure.com/ |
| 33 | 3 | 0.00 | 2 | 0.01 | +info@netcraft.com |
| 34 | 3 | 0.00 | 2 | 0.01 | X11 |
| 35 | 2 | 0.00 | 2 | 0.01 | Intel Mac OS X 10.4 |
| 36 | 2 | 0.00 | 1 | 0.00 | +http://www.seodiver.com/bot |
| 37 | 2 | 0.00 | 1 | 0.00 | Linux i686 [unknown version] |
| 38 | 2 | 0.00 | 1 | 0.00 | http://www.majestic12.co.uk/bot.php?+ |
| 39 | 2 | 0.00 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 40 | 2 | 0.00 | 1 | 0.00 | +http://www.exabot.com/go/robot |
| 41 | 1 | 0.00 | 1 | 0.00 | https://nmap.org/book/nse.html |
| 42 | 1 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 43 | 1 | 0.00 | 1 | 0.00 | +http://eripp.com |
