| Used Operating Systems |
| 1 | 20039 | 45.45 | 302 | 4.71 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 5360 | 12.16 | 7 | 0.11 | +http://OpenLinkProfiler.org/bot |
| 3 | 4952 | 11.23 | 1545 | 24.08 | +http://ahrefs.com/robot/ |
| 4 | 3487 | 7.91 | 2063 | 32.16 | Windows NT |
| 5 | 3201 | 7.26 | 8 | 0.12 | +https://www.megaindex.ru/?tab=linkAnaly... |
| 6 | 2006 | 4.55 | 2 | 0.03 | http://crawler.007ac9.net/ |
| 7 | 1936 | 4.39 | 1014 | 15.81 | +http://www.google.com/bot.html |
| 8 | 1121 | 2.54 | 299 | 4.66 | +http://yandex.com/bots |
| 9 | 726 | 1.65 | 560 | 8.73 | +http://www.baidu.com/search/spider.html |
| 10 | 604 | 1.37 | 250 | 3.90 | +http://www.bing.com/bingbot.htm |
| 11 | 230 | 0.52 | 76 | 1.18 | +http://www.linkdex.com/bots/ |
| 12 | 84 | 0.19 | 42 | 0.65 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 13 | 71 | 0.16 | 69 | 1.08 | Windows 95 |
| 14 | 42 | 0.10 | 24 | 0.37 | +http://www.exabot.com/go/robot |
| 15 | 40 | 0.09 | 20 | 0.31 | +http://duckduckgo.com |
| 16 | 33 | 0.07 | 11 | 0.17 | Windows 98 |
| 17 | 19 | 0.04 | 16 | 0.25 | MSIE 5.5; Windows NT 5.0 |
| 18 | 19 | 0.04 | 19 | 0.30 | Linux i686 [unknown version] |
| 19 | 16 | 0.04 | 16 | 0.25 | MSIE 5.5; Windows NT 4.0 |
| 20 | 14 | 0.03 | 7 | 0.11 | +http://www.meanpath.com/meanpathbot.htm... |
| 21 | 11 | 0.02 | 11 | 0.17 | Windows CE |
| 22 | 11 | 0.02 | 0 | 0.00 | http://filterdb.iss.net/crawler/ |
| 23 | 9 | 0.02 | 9 | 0.14 | Windows ME |
| 24 | 9 | 0.02 | 8 | 0.12 | Windows 3.1 |
| 25 | 8 | 0.02 | 8 | 0.12 | Windows 2000 |
| 26 | 6 | 0.01 | 6 | 0.09 | FreeBSD [unknown version] |
| 27 | 5 | 0.01 | 5 | 0.08 | Linux [unknown version] |
| 28 | 3 | 0.01 | 3 | 0.05 | +http://www.seograph.net/bot.html |
| 29 | 3 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 30 | 3 | 0.01 | 3 | 0.05 | +http://www.domaintuno.com/robot |
| 31 | 3 | 0.01 | 1 | 0.02 | Windows XP |
| 32 | 3 | 0.01 | 2 | 0.03 | +info@netcraft.com |
| 33 | 3 | 0.01 | 3 | 0.05 | Linux i586 [unknown version] |
| 34 | 2 | 0.00 | 1 | 0.02 | http://nmap.org/book/nse.html |
| 35 | 2 | 0.00 | 1 | 0.02 | http://help.yahoo.com/help/us/ysearch/sl... |
| 36 | 2 | 0.00 | 2 | 0.03 | +https://www.domaintuno.com/robot |
| 37 | 1 | 0.00 | 1 | 0.02 | Auto; Windows |
| 38 | 1 | 0.00 | 1 | 0.02 | ) - BrowseX (2.0.0 Windows |
| 39 | 1 | 0.00 | 0 | 0.00 | X11 |
