| Used Operating Systems |
| 1 | 27823 | 71.80 | 282 | 6.61 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 2745 | 7.08 | 576 | 13.50 | +http://www.google.com/bot.html |
| 3 | 2281 | 5.89 | 1929 | 45.22 | +http://www.baidu.com/search/spider.html |
| 4 | 2100 | 5.42 | 572 | 13.41 | Windows NT |
| 5 | 1178 | 3.04 | 281 | 6.59 | +http://www.bing.com/bingbot.htm |
| 6 | 671 | 1.73 | 191 | 4.48 | +http://yandex.com/bots |
| 7 | 498 | 1.29 | 73 | 1.71 | +http://napoveda.seznam.cz/en/seznambot-... |
| 8 | 463 | 1.19 | 76 | 1.78 | +http://www.linkdex.com/bots/ |
| 9 | 130 | 0.34 | 2 | 0.05 | +https://www.aihitdata.com/about |
| 10 | 120 | 0.31 | 33 | 0.77 | Windows XP |
| 11 | 104 | 0.27 | 24 | 0.56 | http://www.opensiteexplorer.org/dotbot, ... |
| 12 | 75 | 0.19 | 26 | 0.61 | Windows 95 |
| 13 | 70 | 0.18 | 51 | 1.20 | +http://ahrefs.com/robot/ |
| 14 | 56 | 0.14 | 19 | 0.45 | Windows 98 |
| 15 | 46 | 0.12 | 8 | 0.19 | Windows CE |
| 16 | 46 | 0.12 | 24 | 0.56 | +http://www.semrush.com/bot.html |
| 17 | 45 | 0.12 | 5 | 0.12 | +http://www.seokicks.de/robot.html |
| 18 | 36 | 0.09 | 14 | 0.33 | +http://help.coccoc.com/searchengine |
| 19 | 34 | 0.09 | 4 | 0.09 | +http://OpenLinkProfiler.org/bot |
| 20 | 31 | 0.08 | 1 | 0.02 | +http://megaindex.com/crawler |
| 21 | 29 | 0.07 | 7 | 0.16 | Auto; Windows |
| 22 | 25 | 0.06 | 7 | 0.16 | Windows 2000 |
| 23 | 19 | 0.05 | 9 | 0.21 | http://help.yahoo.com/help/us/ysearch/sl... |
| 24 | 18 | 0.05 | 8 | 0.19 | +http://www.uptime.com/uptimebot |
| 25 | 18 | 0.05 | 8 | 0.19 | +http://www.exabot.com/go/robot |
| 26 | 14 | 0.04 | 5 | 0.12 | Windows ME |
| 27 | 12 | 0.03 | 1 | 0.02 | +https://www.dataprovider.com/ |
| 28 | 11 | 0.03 | 4 | 0.09 | Windows 3.1 |
| 29 | 10 | 0.03 | 4 | 0.09 | MSIE 5.5; Windows NT 4.0 |
| 30 | 6 | 0.02 | 3 | 0.07 | +https://www.mojeek.com/bot.html |
| 31 | 6 | 0.02 | 1 | 0.02 | +spider@seoscanners.net |
| 32 | 5 | 0.01 | 2 | 0.05 | +info@netcraft.com |
| 33 | 4 | 0.01 | 2 | 0.05 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 34 | 4 | 0.01 | 4 | 0.09 | http://nmap.org/book/nse.html |
| 35 | 4 | 0.01 | 2 | 0.05 | Macintosh |
| 36 | 3 | 0.01 | 1 | 0.02 | crawler@mixrank.com |
| 37 | 3 | 0.01 | 1 | 0.02 | ) - BrowseX (2.0.0 Windows |
| 38 | 2 | 0.01 | 2 | 0.05 | Linux [unknown version] |
| 39 | 2 | 0.01 | 2 | 0.05 | +http://www.grapeshot.co.uk/crawler.php |
| 40 | 1 | 0.00 | 0 | 0.00 | https://nmap.org/book/nse.html |
| 41 | 1 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 42 | 1 | 0.00 | 1 | 0.02 | +http://www.xovibot.net/ |
| 43 | 1 | 0.00 | 1 | 0.02 | MSIE 5.5; Windows NT 5.0 |
