| Used Operating Systems |
| 1 | 11060 | 43.19 | 6104 | 80.19 | +http://www.baidu.com/search/spider.html |
| 2 | 10200 | 39.83 | 464 | 6.10 | http://www.opensiteexplorer.org/dotbot, ... |
| 3 | 1357 | 5.30 | 223 | 2.93 | +http://www.linkdex.com/bots/ |
| 4 | 752 | 2.94 | 39 | 0.51 | +http://yandex.com/bots |
| 5 | 646 | 2.52 | 431 | 5.66 | +http://ahrefs.com/robot/ |
| 6 | 510 | 1.99 | 200 | 2.63 | Windows NT |
| 7 | 427 | 1.67 | 1 | 0.01 | +http://www.bing.com/bingbot.htm |
| 8 | 217 | 0.85 | 55 | 0.72 | +http://www.google.com/bot.html |
| 9 | 76 | 0.30 | 20 | 0.26 | +http://siteexplorer.info/Backlink-Check... |
| 10 | 64 | 0.25 | 19 | 0.25 | +http://napoveda.seznam.cz/en/seznambot-... |
| 11 | 61 | 0.24 | 19 | 0.25 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 12 | 58 | 0.23 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 13 | 51 | 0.20 | 0 | 0.00 | Crawler; +http://www.google.com/bot.html |
| 14 | 13 | 0.05 | 3 | 0.04 | Windows 98 |
| 15 | 12 | 0.05 | 0 | 0.00 | +http://OpenLinkProfiler.org/bot |
| 16 | 12 | 0.05 | 0 | 0.00 | +http://www.seokicks.de/robot.html |
| 17 | 10 | 0.04 | 0 | 0.00 | https://nmap.org/book/nse.html |
| 18 | 10 | 0.04 | 8 | 0.11 | Windows 95 |
| 19 | 8 | 0.03 | 0 | 0.00 | Mail.RU_Bot/Robots/2.0; +http://go.mail.... |
| 20 | 8 | 0.03 | 0 | 0.00 | Linux i686 [unknown version] |
| 21 | 8 | 0.03 | 0 | 0.00 | +http://alphaseobot.com/bot.html |
| 22 | 6 | 0.02 | 5 | 0.07 | Windows 3.1 |
| 23 | 5 | 0.02 | 5 | 0.07 | Auto; Windows |
| 24 | 5 | 0.02 | 0 | 0.00 | +http://www.uptime.com/uptimebot |
| 25 | 5 | 0.02 | 4 | 0.05 | ) - BrowseX (2.0.0 Windows |
| 26 | 4 | 0.02 | 3 | 0.04 | Windows CE |
| 27 | 4 | 0.02 | 1 | 0.01 | http://mj12bot.com/ |
| 28 | 4 | 0.02 | 2 | 0.03 | +http://www.exabot.com/go/robot |
| 29 | 3 | 0.01 | 2 | 0.03 | Windows XP |
| 30 | 3 | 0.01 | 3 | 0.04 | MSIE 5.5; Windows NT 5.0 |
| 31 | 3 | 0.01 | 0 | 0.00 | +info@netcraft.com |
| 32 | 2 | 0.01 | 0 | 0.00 | http://help.yahoo.com/help/us/ysearch/sl... |
| 33 | 2 | 0.01 | 0 | 0.00 | Intel Mac OS X 10.4 |
| 34 | 1 | 0.00 | 0 | 0.00 | http://www.yama.info.waseda.ac.jp/~crawl... |
| 35 | 1 | 0.00 | 0 | 0.00 | +http://megaindex.com/crawler |
| 36 | 1 | 0.00 | 0 | 0.00 | +http://duckduckgo.com |
| 37 | 1 | 0.00 | 1 | 0.01 | Windows ME |
