| Used Operating Systems by Visits |
| 1 | 6619 | 12.97 | 4287 | 54.40 | +http://www.baidu.com/search/spider.html |
| 2 | 7038 | 13.79 | 1582 | 20.08 | Windows NT |
| 3 | 5499 | 10.78 | 400 | 5.08 | +http://ahrefs.com/robot/ |
| 4 | 1378 | 2.70 | 306 | 3.88 | +http://www.google.com/bot.html |
| 5 | 884 | 1.73 | 297 | 3.77 | +http://www.bing.com/bingbot.htm |
| 6 | 26950 | 52.81 | 285 | 3.62 | http://www.majestic12.co.uk/bot.php?+ |
| 7 | 387 | 0.76 | 271 | 3.44 | +http://www.linkdex.com/bots/ |
| 8 | 1589 | 3.11 | 178 | 2.26 | +http://yandex.com/bots |
| 9 | 231 | 0.45 | 77 | 0.98 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 10 | 56 | 0.11 | 35 | 0.44 | Windows 95 |
| 11 | 60 | 0.12 | 26 | 0.33 | http://help.yahoo.com/help/us/ysearch/sl... |
| 12 | 36 | 0.07 | 13 | 0.16 | Windows XP |
| 13 | 30 | 0.06 | 12 | 0.15 | +http://duckduckgo.com |
| 14 | 29 | 0.06 | 11 | 0.14 | Windows 98 |
| 15 | 20 | 0.04 | 8 | 0.10 | +http://help.coccoc.com/ |
| 16 | 7 | 0.01 | 7 | 0.09 | Windows 2000 |
| 17 | 11 | 0.02 | 7 | 0.09 | MSIE 5.5; Windows NT 4.0 |
| 18 | 6 | 0.01 | 6 | 0.08 | Linux [unknown version] |
| 19 | 6 | 0.01 | 6 | 0.08 | MSIE 5.5; Windows NT 5.0 |
| 20 | 20 | 0.04 | 6 | 0.08 | +http://www.exabot.com/go/robot |
| 21 | 5 | 0.01 | 5 | 0.06 | +http://pmoz.info/doc/botinfo.htm |
| 22 | 10 | 0.02 | 5 | 0.06 | X11 |
| 23 | 21 | 0.04 | 5 | 0.06 | +http://fulltext.sblog.cz/ |
| 24 | 8 | 0.02 | 4 | 0.05 | Windows CE |
| 25 | 6 | 0.01 | 4 | 0.05 | Auto; Windows |
| 26 | 4 | 0.01 | 4 | 0.05 | http://nmap.org/book/nse.html |
| 27 | 5 | 0.01 | 4 | 0.05 | +info@netcraft.com |
| 28 | 11 | 0.02 | 4 | 0.05 | +http://www.semrush.com/bot.html |
| 29 | 13 | 0.03 | 4 | 0.05 | +http://www.findxbot.com |
| 30 | 4 | 0.01 | 2 | 0.03 | +http://www.openhose.org/bot.html |
| 31 | 4 | 0.01 | 2 | 0.03 | http://www.botje.com/plukkie.htm |
| 32 | 2 | 0.00 | 2 | 0.03 | apps-spreadsheets; +http://docs.google.c... |
| 33 | 20 | 0.04 | 2 | 0.03 | +https://www.aihitdata.com/about |
| 34 | 2 | 0.00 | 2 | 0.03 | +http://www.wmtips.com/tools/ |
| 35 | 4 | 0.01 | 2 | 0.03 | +http://www.meanpath.com/meanpathbot.htm... |
| 36 | 2 | 0.00 | 2 | 0.03 | +http://domainmacro.com |
| 37 | 11 | 0.02 | 1 | 0.01 | +http://www.warebay.com/bot.html |
| 38 | 1 | 0.00 | 1 | 0.01 | Windows 3.1 |
| 39 | 10 | 0.02 | 1 | 0.01 | +http://OpenLinkProfiler.org/bot |
| 40 | 3 | 0.01 | 1 | 0.01 | Android 2.3.5 |
| 41 | 3 | 0.01 | 1 | 0.01 | +https://www.lipperhey.com/en/about/ |
| 42 | 10 | 0.02 | 1 | 0.01 | +http://megaindex.com/crawler |
| 43 | 1 | 0.00 | 1 | 0.01 | +http://www.grapeshot.co.uk/crawler.php |
| 44 | 4 | 0.01 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 45 | 10 | 0.02 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
