| Used Operating Systems by Visits |
| 1 | 6884 | 16.82 | 5152 | 65.48 | +http://www.baidu.com/search/spider.html |
| 2 | 2020 | 4.93 | 878 | 11.16 | Windows NT |
| 3 | 1451 | 3.54 | 527 | 6.70 | +http://www.bing.com/bingbot.htm |
| 4 | 861 | 2.10 | 311 | 3.95 | +http://www.google.com/bot.html |
| 5 | 23170 | 56.60 | 229 | 2.91 | http://www.majestic12.co.uk/bot.php?+ |
| 6 | 4962 | 12.12 | 183 | 2.33 | +http://yandex.com/bots |
| 7 | 628 | 1.53 | 134 | 1.70 | +http://www.linkdex.com/bots/ |
| 8 | 177 | 0.43 | 98 | 1.25 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 9 | 45 | 0.11 | 41 | 0.52 | Windows 95 |
| 10 | 75 | 0.18 | 34 | 0.43 | +http://napoveda.seznam.cz/en/seznambot-... |
| 11 | 146 | 0.36 | 32 | 0.41 | +http://www.semrush.com/bot.html |
| 12 | 78 | 0.19 | 29 | 0.37 | http://www.opensiteexplorer.org/dotbot, ... |
| 13 | 35 | 0.09 | 29 | 0.37 | Windows 98 |
| 14 | 39 | 0.10 | 19 | 0.24 | +http://ahrefs.com/robot/ |
| 15 | 20 | 0.05 | 17 | 0.22 | +http://www.xovibot.net/ |
| 16 | 28 | 0.07 | 14 | 0.18 | +http://duckduckgo.com |
| 17 | 32 | 0.08 | 13 | 0.17 | http://help.yahoo.com/help/us/ysearch/sl... |
| 18 | 12 | 0.03 | 12 | 0.15 | ) - BrowseX (2.0.0 Windows |
| 19 | 21 | 0.05 | 11 | 0.14 | +http://www.exabot.com/go/robot |
| 20 | 11 | 0.03 | 10 | 0.13 | Windows 2000 |
| 21 | 12 | 0.03 | 10 | 0.13 | Windows XP |
| 22 | 11 | 0.03 | 10 | 0.13 | Windows ME |
| 23 | 10 | 0.02 | 10 | 0.13 | Windows 3.1 |
| 24 | 10 | 0.02 | 10 | 0.13 | MSIE 5.5; Windows NT 5.0 |
| 25 | 9 | 0.02 | 9 | 0.11 | MSIE 5.5; Windows NT 4.0 |
| 26 | 7 | 0.02 | 7 | 0.09 | Windows CE |
| 27 | 7 | 0.02 | 7 | 0.09 | Auto; Windows |
| 28 | 60 | 0.15 | 4 | 0.05 | +http://OpenLinkProfiler.org/bot |
| 29 | 8 | 0.02 | 4 | 0.05 | +http://www.uptime.com/uptimebot |
| 30 | 10 | 0.02 | 3 | 0.04 | +http://siteexplorer.info/ |
| 31 | 2 | 0.00 | 2 | 0.03 | http://nmap.org/book/nse.html |
| 32 | 2 | 0.00 | 2 | 0.03 | +https://rankval.com |
| 33 | 2 | 0.00 | 2 | 0.03 | Windows Phone OS 7.5 |
| 34 | 4 | 0.01 | 2 | 0.03 | +info@netcraft.com |
| 35 | 28 | 0.07 | 2 | 0.03 | +http://megaindex.com/crawler |
| 36 | 4 | 0.01 | 2 | 0.03 | Macintosh |
| 37 | 2 | 0.00 | 2 | 0.03 | +http://www.grapeshot.co.uk/crawler.php |
| 38 | 1 | 0.00 | 1 | 0.01 | Windows Mobile |
| 39 | 1 | 0.00 | 1 | 0.01 | RISC OS 4.02 |
| 40 | 1 | 0.00 | 1 | 0.01 | SunOS 4.1.x |
| 41 | 1 | 0.00 | 1 | 0.01 | Win16 |
| 42 | 1 | 0.00 | 1 | 0.01 | Linux i686 [unknown version] |
| 43 | 13 | 0.03 | 1 | 0.01 | +https://www.aihitdata.com/about |
| 44 | 12 | 0.03 | 1 | 0.01 | +https://www.dataprovider.com/ |
| 45 | 8 | 0.02 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 46 | 15 | 0.04 | 0 | 0.00 | +http://webmeup-crawler.com/ |
| 47 | 1 | 0.00 | 0 | 0.00 | FreeBSD 4.x |
