| Used Operating Systems by Visits |
| 1 | 21901 | 6.87 | 5387 | 49.51 | +http://www.baidu.com/search/spider.html |
| 2 | 8126 | 2.55 | 1158 | 10.64 | +http://www.bing.com/bingbot.htm |
| 3 | 4713 | 1.48 | 967 | 8.89 | +http://ahrefs.com/robot/ |
| 4 | 4655 | 1.46 | 814 | 7.48 | Windows NT |
| 5 | 257509 | 80.76 | 802 | 7.37 | http://mj12bot.com/ |
| 6 | 1247 | 0.39 | 503 | 4.62 | +http://www.google.com/bot.html |
| 7 | 1523 | 0.48 | 359 | 3.30 | +http://yandex.com/bots |
| 8 | 13029 | 4.09 | 307 | 2.82 | http://www.opensiteexplorer.org/dotbot, ... |
| 9 | 829 | 0.26 | 219 | 2.01 | +http://napoveda.seznam.cz/en/seznambot-... |
| 10 | 705 | 0.22 | 127 | 1.17 | +http://duckduckgo.com |
| 11 | 2283 | 0.72 | 93 | 0.85 | +http://www.semrush.com/bot.html |
| 12 | 305 | 0.10 | 33 | 0.30 | +http://www.linkdex.com/bots/ |
| 13 | 61 | 0.02 | 24 | 0.22 | Windows 95 |
| 14 | 62 | 0.02 | 15 | 0.14 | +http://www.exabot.com/go/robot |
| 15 | 19 | 0.01 | 10 | 0.09 | MSIE 5.5; Windows NT 4.0 |
| 16 | 21 | 0.01 | 7 | 0.06 | +http://alphaseobot.com/bot.html |
| 17 | 17 | 0.01 | 7 | 0.06 | Windows 98 |
| 18 | 9 | 0.00 | 5 | 0.05 | +info@netcraft.com |
| 19 | 8 | 0.00 | 4 | 0.04 | Auto; Windows |
| 20 | 27 | 0.01 | 4 | 0.04 | +http://cliqz.com/company/cliqzbot |
| 21 | 15 | 0.00 | 4 | 0.04 | Windows XP |
| 22 | 9 | 0.00 | 4 | 0.04 | Windows ME |
| 23 | 7 | 0.00 | 3 | 0.03 | Windows CE |
| 24 | 1164 | 0.37 | 3 | 0.03 | +http://OpenLinkProfiler.org/bot |
| 25 | 5 | 0.00 | 3 | 0.03 | Linux i686 [unknown version] |
| 26 | 3 | 0.00 | 2 | 0.02 | Linux [unknown version] |
| 27 | 70 | 0.02 | 2 | 0.02 | +https://www.aihitdata.com/about |
| 28 | 120 | 0.04 | 2 | 0.02 | Linux i586 [unknown version] |
| 29 | 9 | 0.00 | 2 | 0.02 | +https://extlinks.com/Bot.html |
| 30 | 1 | 0.00 | 1 | 0.01 | J2ME/MIDP |
| 31 | 2 | 0.00 | 1 | 0.01 | Android |
| 32 | 2 | 0.00 | 1 | 0.01 | Meta_Bot/1.1 |
| 33 | 5 | 0.00 | 1 | 0.01 | +https://blog.vebidoo.de/vebidoobot/ |
| 34 | 4 | 0.00 | 1 | 0.01 | +http://siteexplorer.info/Backlink-Check... |
| 35 | 2 | 0.00 | 1 | 0.01 | http://www.botje.com/plukkie.htm |
| 36 | 192 | 0.06 | 1 | 0.01 | +http://megaindex.com/crawler |
| 37 | 1 | 0.00 | 1 | 0.01 | http://www.majestic12.co.uk/bot.php?+ |
| 38 | 69 | 0.02 | 1 | 0.01 | X11 |
| 39 | 6 | 0.00 | 1 | 0.01 | Windows Seven |
| 40 | 12 | 0.00 | 0 | 0.00 | Mail.RU_Bot/Robots/2.0; +http://go.mail.... |
| 41 | 50 | 0.02 | 0 | 0.00 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 42 | 2 | 0.00 | 0 | 0.00 | +http://cs.daum.net/faq/15/4118.html?faq... |
| 43 | 2 | 0.00 | 0 | 0.00 | +http://www.tineye.com/crawler.html |
| 44 | 2 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 45 | 2 | 0.00 | 0 | 0.00 | http://nmap.org/book/nse.html |
| 46 | 6 | 0.00 | 0 | 0.00 | Windows 9x |
| 47 | 10 | 0.00 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 48 | 18 | 0.01 | 0 | 0.00 | http://filterdb.iss.net/crawler/ |
