| Used Operating Systems |
| 1 | 11081 | 68.66 | 2154 | 48.83 | Windows NT |
| 2 | 1765 | 10.94 | 1517 | 34.39 | +http://www.baidu.com/search/spider.html |
| 3 | 707 | 4.38 | 4 | 0.09 | http://crawler.sistrix.net/ |
| 4 | 567 | 3.51 | 338 | 7.66 | +http://www.google.com/bot.html |
| 5 | 545 | 3.38 | 152 | 3.45 | +http://www.bing.com/bingbot.htm |
| 6 | 359 | 2.22 | 12 | 0.27 | http://www.majestic12.co.uk/bot.php?+ |
| 7 | 348 | 2.16 | 73 | 1.65 | +http://ahrefs.com/robot/ |
| 8 | 173 | 1.07 | 35 | 0.79 | +http://yandex.com/bots |
| 9 | 63 | 0.39 | 37 | 0.84 | http://help.yahoo.com/help/us/ysearch/sl... |
| 10 | 58 | 0.36 | 2 | 0.05 | +http://www.warebay.com/bot.html |
| 11 | 56 | 0.35 | 2 | 0.05 | +http://advbot.net/bot.html |
| 12 | 54 | 0.33 | 2 | 0.05 | +http://OpenLinkProfiler.org/bot |
| 13 | 53 | 0.33 | 4 | 0.09 | +http://fulltext.sblog.cz/ |
| 14 | 51 | 0.32 | 13 | 0.29 | X11 |
| 15 | 40 | 0.25 | 18 | 0.41 | +http://www.semrush.com/bot.html |
| 16 | 30 | 0.19 | 2 | 0.05 | http://www.searchmetrics.com/en/searchme... |
| 17 | 30 | 0.19 | 1 | 0.02 | +http://www.aihitdata.com/about |
| 18 | 21 | 0.13 | 8 | 0.18 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 19 | 19 | 0.12 | 4 | 0.09 | Android 2.3.5 |
| 20 | 18 | 0.11 | 0 | 0.00 | http://filterdb.iss.net/crawler/ |
| 21 | 12 | 0.07 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 22 | 11 | 0.07 | 4 | 0.09 | +http://www.exabot.com/go/robot |
| 23 | 10 | 0.06 | 0 | 0.00 | Linux [unknown version] |
| 24 | 10 | 0.06 | 5 | 0.11 | +http://duckduckgo.com |
| 25 | 8 | 0.05 | 2 | 0.05 | Windows 98 |
| 26 | 7 | 0.04 | 3 | 0.07 | +http://www.linkdex.com/bots/ |
| 27 | 7 | 0.04 | 3 | 0.07 | +http://help.coccoc.com/ |
| 28 | 6 | 0.04 | 1 | 0.02 | http://www.opensiteexplorer.org/dotbot, ... |
| 29 | 6 | 0.04 | 1 | 0.02 | +http://www.profound.net/domainappender |
| 30 | 4 | 0.02 | 3 | 0.07 | Windows 95 |
| 31 | 4 | 0.02 | 2 | 0.05 | +http://www.meanpath.com/meanpathbot.htm... |
| 32 | 4 | 0.02 | 1 | 0.02 | +http://get4dl.net |
| 33 | 3 | 0.02 | 1 | 0.02 | +http://gimme60.com |
| 34 | 2 | 0.01 | 2 | 0.05 | Windows ME |
| 35 | 2 | 0.01 | 1 | 0.02 | +info@netcraft.com |
| 36 | 1 | 0.01 | 1 | 0.02 | Windows 2000 |
| 37 | 1 | 0.01 | 1 | 0.02 | Macintosh; Intel Mac OS X 10_7_3; Triden... |
| 38 | 1 | 0.01 | 1 | 0.02 | Linux i686 [unknown version] |
| 39 | 1 | 0.01 | 1 | 0.02 | +http://www.grapeshot.co.uk/crawler.php |
