| Used Operating Systems |
| 1 | 20632 | 42.15 | 278 | 7.98 | http://www.opensiteexplorer.org/dotbot, ... |
| 2 | 19998 | 40.85 | 247 | 7.09 | http://mj12bot.com/ |
| 3 | 3229 | 6.60 | 489 | 14.04 | +http://yandex.com/bots |
| 4 | 2225 | 4.55 | 1007 | 28.91 | Windows NT |
| 5 | 803 | 1.64 | 648 | 18.60 | +http://www.baidu.com/search/spider.html |
| 6 | 594 | 1.21 | 210 | 6.03 | +http://www.bing.com/bingbot.htm |
| 7 | 409 | 0.84 | 145 | 4.16 | +http://www.linkdex.com/bots/ |
| 8 | 334 | 0.68 | 192 | 5.51 | +http://www.google.com/bot.html |
| 9 | 265 | 0.54 | 104 | 2.99 | +http://www.semrush.com/bot.html |
| 10 | 72 | 0.15 | 18 | 0.52 | +http://ahrefs.com/robot/ |
| 11 | 63 | 0.13 | 25 | 0.72 | Windows 95 |
| 12 | 54 | 0.11 | 17 | 0.49 | Windows 98 |
| 13 | 22 | 0.04 | 2 | 0.06 | +http://www.proximic.com/info/spider.php |
| 14 | 22 | 0.04 | 6 | 0.17 | Windows XP |
| 15 | 18 | 0.04 | 6 | 0.17 | Windows CE |
| 16 | 18 | 0.04 | 7 | 0.20 | Windows 3.1 |
| 17 | 14 | 0.03 | 14 | 0.40 | +http://alphaseobot.com/bot.html |
| 18 | 14 | 0.03 | 2 | 0.06 | +http://napoveda.seznam.cz/en/seznambot-... |
| 19 | 11 | 0.02 | 5 | 0.14 | MSIE 5.5; Windows NT 4.0 |
| 20 | 10 | 0.02 | 0 | 0.00 | Mail.RU_Bot/Robots/2.0; +http://go.mail.... |
| 21 | 10 | 0.02 | 5 | 0.14 | +http://OpenLinkProfiler.org/bot |
| 22 | 10 | 0.02 | 5 | 0.14 | +http://www.seokicks.de/robot.html |
| 23 | 8 | 0.02 | 4 | 0.11 | Auto; Windows |
| 24 | 8 | 0.02 | 2 | 0.06 | +http://www.pinterest.com/bot.html |
| 25 | 8 | 0.02 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 26 | 8 | 0.02 | 4 | 0.11 | +http://duckduckgo.com |
| 27 | 7 | 0.01 | 2 | 0.06 | +http://siteexplorer.info/Backlink-Check... |
| 28 | 7 | 0.01 | 7 | 0.20 | +https://www.comscore.com/Web-Crawler |
| 29 | 6 | 0.01 | 2 | 0.06 | Windows 2000 |
| 30 | 6 | 0.01 | 0 | 0.00 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 31 | 6 | 0.01 | 3 | 0.09 | http://www.botje.com/plukkie.htm |
| 32 | 6 | 0.01 | 3 | 0.09 | ) - BrowseX (2.0.0 Windows |
| 33 | 6 | 0.01 | 6 | 0.17 | http://www.majestic12.co.uk/bot.php?+ |
| 34 | 5 | 0.01 | 1 | 0.03 | +https://blog.vebidoo.de/vebidoobot/ |
| 35 | 5 | 0.01 | 2 | 0.06 | Windows ME |
| 36 | 4 | 0.01 | 0 | 0.00 | http://nmap.org/book/nse.html |
| 37 | 4 | 0.01 | 2 | 0.06 | +https://www.mojeek.com/bot.html |
| 38 | 4 | 0.01 | 2 | 0.06 | http://yooz.ir; info@yooz.ir |
| 39 | 4 | 0.01 | 2 | 0.06 | +http://cliqz.com/company/cliqzbot |
| 40 | 4 | 0.01 | 1 | 0.03 | +info@netcraft.com |
| 41 | 4 | 0.01 | 2 | 0.06 | +http://megaindex.com/crawler |
| 42 | 4 | 0.01 | 2 | 0.06 | WinHttp.WinHttpRequest.5 |
| 43 | 4 | 0.01 | 0 | 0.00 | +http://mappydata.net/bot/ |
| 44 | 2 | 0.00 | 0 | 0.00 | +http://www.tineye.com/crawler.html |
| 45 | 2 | 0.00 | 2 | 0.06 | X11 |
| 46 | 2 | 0.00 | 1 | 0.03 | +http://www.exabot.com/go/robot |
| 47 | 1 | 0.00 | 1 | 0.03 | +http://glutenfreepleasure.com/ |
| 48 | 1 | 0.00 | 0 | 0.00 | +https://extlinks.com/Bot.html |
