| Used Operating Systems |
| 1 | 3466 | 43.82 | 1395 | 36.16 | Windows NT |
| 2 | 1849 | 23.38 | 1702 | 44.12 | +http://www.baidu.com/search/spider.html |
| 3 | 909 | 11.49 | 249 | 6.45 | +http://www.bing.com/bingbot.htm |
| 4 | 469 | 5.93 | 1 | 0.03 | Windows 98 |
| 5 | 352 | 4.45 | 202 | 5.24 | +http://www.google.com/bot.html |
| 6 | 243 | 3.07 | 101 | 2.62 | http://www.majestic12.co.uk/bot.php?+ |
| 7 | 124 | 1.57 | 71 | 1.84 | +http://yandex.com/bots |
| 8 | 81 | 1.02 | 8 | 0.21 | +http://www.semrush.com/bot.html |
| 9 | 67 | 0.85 | 26 | 0.67 | http://help.yahoo.com/help/us/ysearch/sl... |
| 10 | 43 | 0.54 | 4 | 0.10 | +http://ahrefs.com/robot/ |
| 11 | 42 | 0.53 | 14 | 0.36 | Windows XP |
| 12 | 40 | 0.51 | 19 | 0.49 | +http://duckduckgo.com |
| 13 | 36 | 0.46 | 9 | 0.23 | +http://www.profound.net/domainappender |
| 14 | 32 | 0.40 | 3 | 0.08 | +http://www.warebay.com/bot.html |
| 15 | 29 | 0.37 | 12 | 0.31 | +http://help.coccoc.com/ |
| 16 | 16 | 0.20 | 4 | 0.10 | Windows 95 |
| 17 | 15 | 0.19 | 4 | 0.10 | ) - BrowseX (2.0.0 Windows |
| 18 | 14 | 0.18 | 3 | 0.08 | Android 2.3.5 |
| 19 | 13 | 0.16 | 5 | 0.13 | Windows 2000 |
| 20 | 11 | 0.14 | 3 | 0.08 | X11 |
| 21 | 10 | 0.13 | 1 | 0.03 | +http://import.io |
| 22 | 8 | 0.10 | 1 | 0.03 | +http://webmeup-crawler.com/ |
| 23 | 8 | 0.10 | 4 | 0.10 | +http://www.meanpath.com/meanpathbot.htm... |
| 24 | 4 | 0.05 | 1 | 0.03 | +http://fulltext.sblog.cz/ |
| 25 | 3 | 0.04 | 2 | 0.05 | S60 |
| 26 | 3 | 0.04 | 1 | 0.03 | +http://megaindex.com/crawler |
| 27 | 3 | 0.04 | 1 | 0.03 | MSIE 5.5; Windows NT 4.0 |
| 28 | 3 | 0.04 | 2 | 0.05 | +http://www.exabot.com/go/robot |
| 29 | 2 | 0.03 | 1 | 0.03 | +https://www.mojeek.com/bot.html |
| 30 | 2 | 0.03 | 0 | 0.00 | apps-presentations; +http://docs.google.... |
| 31 | 2 | 0.03 | 1 | 0.03 | http://www.botje.com/plukkie.htm |
| 32 | 2 | 0.03 | 2 | 0.05 | MSIE 5.5; Windows NT 5.0 |
| 33 | 2 | 0.03 | 1 | 0.03 | +info@netcraft.com |
| 34 | 1 | 0.01 | 0 | 0.00 | http://www.opensiteexplorer.org/dotbot, ... |
| 35 | 1 | 0.01 | 1 | 0.03 | http://nmap.org/book/nse.html |
| 36 | 1 | 0.01 | 1 | 0.03 | +http://glutenfreepleasure.com/ |
| 37 | 1 | 0.01 | 1 | 0.03 | Windows ME |
| 38 | 1 | 0.01 | 1 | 0.03 | Intel Mac OS X 10.4 |
| 39 | 1 | 0.01 | 1 | 0.03 | Linux i686 [unknown version] |
