| Used Operating Systems |
| 1 | 24705 | 43.72 | 372 | 5.91 | +http://www.semrush.com/bot.html |
| 2 | 15126 | 26.77 | 124 | 1.97 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 6597 | 11.67 | 1 | 0.02 | +http://megaindex.com/crawler |
| 4 | 4430 | 7.84 | 3508 | 55.77 | +http://www.baidu.com/search/spider.html |
| 5 | 1638 | 2.90 | 843 | 13.40 | Windows NT |
| 6 | 995 | 1.76 | 410 | 6.52 | +http://www.bing.com/bingbot.htm |
| 7 | 751 | 1.33 | 366 | 5.82 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 8 | 723 | 1.28 | 361 | 5.74 | +http://www.google.com/bot.html |
| 9 | 533 | 0.94 | 1 | 0.02 | +http://OpenLinkProfiler.org/bot |
| 10 | 385 | 0.68 | 55 | 0.87 | +http://yandex.com/bots |
| 11 | 267 | 0.47 | 60 | 0.95 | +http://www.linkdex.com/bots/ |
| 12 | 67 | 0.12 | 38 | 0.60 | +http://www.exabot.com/go/robot |
| 13 | 61 | 0.11 | 33 | 0.52 | http://help.yahoo.com/help/us/ysearch/sl... |
| 14 | 36 | 0.06 | 22 | 0.35 | Windows 95 |
| 15 | 34 | 0.06 | 13 | 0.21 | Windows 98 |
| 16 | 24 | 0.04 | 8 | 0.13 | Windows XP |
| 17 | 18 | 0.03 | 12 | 0.19 | Windows 2000 |
| 18 | 18 | 0.03 | 18 | 0.29 | +http://www.xovibot.net/ |
| 19 | 12 | 0.02 | 1 | 0.02 | +https://www.lipperhey.com/en/about/ |
| 20 | 10 | 0.02 | 5 | 0.08 | +http://www.meanpath.com/meanpathbot.htm... |
| 21 | 9 | 0.02 | 0 | 0.00 | +http://ahrefs.com/robot/ |
| 22 | 8 | 0.01 | 5 | 0.08 | http://www.botje.com/plukkie.htm |
| 23 | 8 | 0.01 | 3 | 0.05 | Windows 3.1 |
| 24 | 7 | 0.01 | 2 | 0.03 | Linux [unknown version] |
| 25 | 7 | 0.01 | 6 | 0.10 | Windows ME |
| 26 | 6 | 0.01 | 4 | 0.06 | Auto; Windows |
| 27 | 5 | 0.01 | 2 | 0.03 | X11 |
| 28 | 4 | 0.01 | 2 | 0.03 | http://www.opensiteexplorer.org/dotbot, ... |
| 29 | 3 | 0.01 | 3 | 0.05 | Windows CE |
| 30 | 3 | 0.01 | 2 | 0.03 | MSIE 5.5; Windows NT 5.0 |
| 31 | 2 | 0.00 | 0 | 0.00 | J2ME/MIDP |
| 32 | 2 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 33 | 2 | 0.00 | 1 | 0.02 | +info@netcraft.com |
| 34 | 2 | 0.00 | 2 | 0.03 | ) - BrowseX (2.0.0 Windows |
| 35 | 2 | 0.00 | 2 | 0.03 | +http://www.grapeshot.co.uk/crawler.php |
| 36 | 1 | 0.00 | 1 | 0.02 | http://nmap.org/book/nse.html |
| 37 | 1 | 0.00 | 1 | 0.02 | +http://www.privacyaware.org |
| 38 | 1 | 0.00 | 1 | 0.02 | MSIE 5.5; Windows NT 4.0 |
| 39 | 1 | 0.00 | 1 | 0.02 | +http://www.uptime.com/uptimebot |
| 40 | 1 | 0.00 | 1 | 0.02 | Linux i686 [unknown version] |
| 41 | 1 | 0.00 | 0 | 0.00 | Android 2.3.5 |
