| Used Operating Systems |
| 1 | 8860 | 56.77 | 97 | 2.49 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 3961 | 25.38 | 2752 | 70.71 | +http://www.baidu.com/search/spider.html |
| 3 | 716 | 4.59 | 266 | 6.83 | +http://www.bing.com/bingbot.htm |
| 4 | 653 | 4.18 | 183 | 4.70 | Windows NT |
| 5 | 567 | 3.63 | 305 | 7.84 | +http://www.google.com/bot.html |
| 6 | 239 | 1.53 | 67 | 1.72 | +http://www.linkdex.com/bots/ |
| 7 | 122 | 0.78 | 53 | 1.36 | +http://yandex.com/bots |
| 8 | 91 | 0.58 | 41 | 1.05 | http://help.yahoo.com/help/us/ysearch/sl... |
| 9 | 78 | 0.50 | 33 | 0.85 | http://www.opensiteexplorer.org/dotbot, ... |
| 10 | 44 | 0.28 | 2 | 0.05 | MAUI Runtime |
| 11 | 29 | 0.19 | 10 | 0.26 | Windows XP |
| 12 | 22 | 0.14 | 2 | 0.05 | +http://www.seokicks.de/robot.html |
| 13 | 20 | 0.13 | 10 | 0.26 | +http://ahrefs.com/robot/ |
| 14 | 19 | 0.12 | 8 | 0.21 | +http://www.exabot.com/go/robot |
| 15 | 18 | 0.12 | 4 | 0.10 | Windows CE |
| 16 | 17 | 0.11 | 1 | 0.03 | +http://www.warebay.com/bot.html |
| 17 | 16 | 0.10 | 8 | 0.21 | +http://help.coccoc.com/ |
| 18 | 16 | 0.10 | 5 | 0.13 | Windows 98 |
| 19 | 15 | 0.10 | 2 | 0.05 | +http://fulltext.sblog.cz/ |
| 20 | 12 | 0.08 | 4 | 0.10 | ) - BrowseX (2.0.0 Windows |
| 21 | 10 | 0.06 | 1 | 0.03 | +http://OpenLinkProfiler.org/bot |
| 22 | 10 | 0.06 | 1 | 0.03 | +http://megaindex.com/crawler |
| 23 | 9 | 0.06 | 3 | 0.08 | Windows 95 |
| 24 | 8 | 0.05 | 5 | 0.13 | +https://deusu.de/robot.html |
| 25 | 8 | 0.05 | 4 | 0.10 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 26 | 6 | 0.04 | 3 | 0.08 | +http://www.meanpath.com/meanpathbot.htm... |
| 27 | 6 | 0.04 | 1 | 0.03 | +http://www.apple.com/go/applebot |
| 28 | 4 | 0.03 | 2 | 0.05 | +http://www.bigbozz.com/ |
| 29 | 4 | 0.03 | 2 | 0.05 | +http://duckduckgo.com |
| 30 | 3 | 0.02 | 3 | 0.08 | +http://glutenfreepleasure.com/ |
| 31 | 3 | 0.02 | 3 | 0.08 | +http://www.domaintuno.com/robot |
| 32 | 3 | 0.02 | 2 | 0.05 | +info@netcraft.com |
| 33 | 3 | 0.02 | 1 | 0.03 | MSIE 5.5; Windows NT 4.0 |
| 34 | 2 | 0.01 | 2 | 0.05 | +http://pmoz.info/doc/botinfo.htm |
| 35 | 2 | 0.01 | 1 | 0.03 | +http://www.scoutjet.com/ |
| 36 | 2 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 37 | 2 | 0.01 | 2 | 0.05 | +http://www.xovibot.net/ |
| 38 | 2 | 0.01 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 39 | 2 | 0.01 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 40 | 1 | 0.01 | 1 | 0.03 | Linux i686 [unknown version] |
| 41 | 1 | 0.01 | 1 | 0.03 | http://nmap.org/book/nse.html |
| 42 | 1 | 0.01 | 1 | 0.03 | +http://www.grapeshot.co.uk/crawler.php |
