| Used Operating Systems |
| 1 | 21068 | 61.19 | 180 | 2.43 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 5166 | 15.00 | 4329 | 58.33 | +http://www.baidu.com/search/spider.html |
| 3 | 3439 | 9.99 | 1733 | 23.35 | Windows NT |
| 4 | 1382 | 4.01 | 438 | 5.90 | +http://www.bing.com/bingbot.htm |
| 5 | 1252 | 3.64 | 5 | 0.07 | Windows XP |
| 6 | 902 | 2.62 | 377 | 5.08 | +http://www.google.com/bot.html |
| 7 | 392 | 1.14 | 41 | 0.55 | +http://yandex.com/bots |
| 8 | 284 | 0.82 | 60 | 0.81 | +http://www.linkdex.com/bots/ |
| 9 | 164 | 0.48 | 75 | 1.01 | http://www.opensiteexplorer.org/dotbot, ... |
| 10 | 47 | 0.14 | 11 | 0.15 | +http://fulltext.sblog.cz/ |
| 11 | 43 | 0.12 | 42 | 0.57 | http://www.openfos.com |
| 12 | 42 | 0.12 | 42 | 0.57 | http://www.topicway.com |
| 13 | 41 | 0.12 | 19 | 0.26 | http://help.yahoo.com/help/us/ysearch/sl... |
| 14 | 26 | 0.08 | 16 | 0.22 | +http://ahrefs.com/robot/ |
| 15 | 19 | 0.06 | 10 | 0.13 | http://www.bing.com/bingbot.htm |
| 16 | 18 | 0.05 | 2 | 0.03 | +http://www.seograph.net/bot.html |
| 17 | 16 | 0.05 | 1 | 0.01 | +http://www.warebay.com/bot.html |
| 18 | 16 | 0.05 | 8 | 0.11 | +http://duckduckgo.com |
| 19 | 15 | 0.04 | 1 | 0.01 | +http://webmeup-crawler.com/ |
| 20 | 14 | 0.04 | 1 | 0.01 | +http://megaindex.com/crawler |
| 21 | 14 | 0.04 | 7 | 0.09 | +http://www.exabot.com/go/robot |
| 22 | 12 | 0.03 | 1 | 0.01 | +https://www.lipperhey.com/en/about/ |
| 23 | 12 | 0.03 | 6 | 0.08 | +http://www.meanpath.com/meanpathbot.htm... |
| 24 | 11 | 0.03 | 1 | 0.01 | +http://filterdb.iss.net/crawler/ |
| 25 | 6 | 0.02 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 26 | 4 | 0.01 | 1 | 0.01 | +http://www.profound.net/domainappender |
| 27 | 3 | 0.01 | 2 | 0.03 | http://nmap.org/book/nse.html |
| 28 | 3 | 0.01 | 2 | 0.03 | +info@netcraft.com |
| 29 | 3 | 0.01 | 1 | 0.01 | X11 |
| 30 | 2 | 0.01 | 1 | 0.01 | +https://deusu.de/robot.html |
| 31 | 2 | 0.01 | 2 | 0.03 | +http://tobbot.com/ |
| 32 | 2 | 0.01 | 1 | 0.01 | Macintosh |
| 33 | 1 | 0.00 | 1 | 0.01 | Windows 2000 |
| 34 | 1 | 0.00 | 1 | 0.01 | Intel Mac OS X 10.4 |
| 35 | 1 | 0.00 | 1 | 0.01 | Windows 3.1 |
| 36 | 1 | 0.00 | 1 | 0.01 | Linux [unknown version] |
| 37 | 1 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 38 | 1 | 0.00 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 39 | 1 | 0.00 | 0 | 0.00 | FreeBSD 3.x |
| 40 | 1 | 0.00 | 1 | 0.01 | +http://www.grapeshot.co.uk/crawler.php |
| 41 | 1 | 0.00 | 0 | 0.00 | Windows 98 |
| 42 | 1 | 0.00 | 1 | 0.01 | +http://www.tbn.com/bot |
