| Used Operating Systems |
| 1 | 9247 | 48.38 | 166 | 4.32 | http://mj12bot.com/ |
| 2 | 2663 | 13.93 | 559 | 14.56 | +http://www.google.com/bot.html |
| 3 | 2144 | 11.22 | 1878 | 48.91 | +http://www.baidu.com/search/spider.html |
| 4 | 1374 | 7.19 | 453 | 11.80 | Windows NT |
| 5 | 919 | 4.81 | 200 | 5.21 | +http://yandex.com/bots |
| 6 | 910 | 4.76 | 229 | 5.96 | +http://www.bing.com/bingbot.htm |
| 7 | 501 | 2.62 | 6 | 0.16 | http://www.majestic12.co.uk/bot.php?+ |
| 8 | 358 | 1.87 | 88 | 2.29 | +http://www.linkdex.com/bots/ |
| 9 | 316 | 1.65 | 93 | 2.42 | +http://napoveda.seznam.cz/en/seznambot-... |
| 10 | 68 | 0.36 | 10 | 0.26 | +http://www.semrush.com/bot.html |
| 11 | 68 | 0.36 | 17 | 0.44 | +http://www.profound.net/domainappender |
| 12 | 65 | 0.34 | 1 | 0.03 | +https://www.aihitdata.com/about |
| 13 | 49 | 0.26 | 5 | 0.13 | +http://siteexplorer.info/Backlink-Check... |
| 14 | 44 | 0.23 | 11 | 0.29 | +http://help.coccoc.com/searchengine |
| 15 | 38 | 0.20 | 18 | 0.47 | +http://duckduckgo.com |
| 16 | 33 | 0.17 | 14 | 0.36 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 17 | 31 | 0.16 | 25 | 0.65 | +http://ahrefs.com/robot/ |
| 18 | 31 | 0.16 | 1 | 0.03 | +http://megaindex.com/crawler |
| 19 | 30 | 0.16 | 1 | 0.03 | Linux i586 [unknown version] |
| 20 | 27 | 0.14 | 9 | 0.23 | Windows XP |
| 21 | 27 | 0.14 | 3 | 0.08 | +http://www.seokicks.de/robot.html |
| 22 | 25 | 0.13 | 0 | 0.00 | http://filterdb.iss.net/crawler/ |
| 23 | 23 | 0.12 | 3 | 0.08 | +http://OpenLinkProfiler.org/bot |
| 24 | 18 | 0.09 | 5 | 0.13 | Windows 95 |
| 25 | 18 | 0.09 | 9 | 0.23 | +http://www.exabot.com/go/robot |
| 26 | 15 | 0.08 | 5 | 0.13 | Windows 98 |
| 27 | 12 | 0.06 | 5 | 0.13 | http://help.yahoo.com/help/us/ysearch/sl... |
| 28 | 12 | 0.06 | 2 | 0.05 | +http://www.smabbler.com/bot.html |
| 29 | 8 | 0.04 | 2 | 0.05 | +spider@seoscanners.net |
| 30 | 6 | 0.03 | 2 | 0.05 | Windows ME |
| 31 | 6 | 0.03 | 3 | 0.08 | +http://www.uptime.com/uptimebot |
| 32 | 4 | 0.02 | 2 | 0.05 | Windows 2000 |
| 33 | 4 | 0.02 | 2 | 0.05 | Macintosh |
| 34 | 3 | 0.02 | 1 | 0.03 | +info@netcraft.com |
| 35 | 2 | 0.01 | 2 | 0.05 | Win32 |
| 36 | 2 | 0.01 | 1 | 0.03 | http://www.opensiteexplorer.org/dotbot, ... |
| 37 | 2 | 0.01 | 1 | 0.03 | Wayback Machine Live Record; +http://arc... |
| 38 | 2 | 0.01 | 1 | 0.03 | http://www.botje.com/plukkie.htm |
| 39 | 2 | 0.01 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 40 | 2 | 0.01 | 2 | 0.05 | MSIE 5.5; Windows NT 4.0 |
| 41 | 2 | 0.01 | 2 | 0.05 | Linux 2.6.x |
| 42 | 1 | 0.01 | 1 | 0.03 | Windows CE |
| 43 | 1 | 0.01 | 1 | 0.03 | http://nmap.org/book/nse.html |
| 44 | 1 | 0.01 | 1 | 0.03 | +http://www.grapeshot.co.uk/crawler.php |
