| Used Operating Systems by Visits |
| 1 | 3665 | 4.94 | 3036 | 40.89 | +http://www.baidu.com/search/spider.html |
| 2 | 5550 | 7.48 | 1418 | 19.10 | +http://www.bing.com/bingbot.htm |
| 3 | 48862 | 65.85 | 1000 | 13.47 | Windows NT |
| 4 | 1147 | 1.55 | 701 | 9.44 | +http://ahrefs.com/robot/ |
| 5 | 2738 | 3.69 | 384 | 5.17 | +http://www.google.com/bot.html |
| 6 | 3558 | 4.79 | 254 | 3.42 | +http://yandex.com/bots |
| 7 | 979 | 1.32 | 146 | 1.97 | ezooms.bot@gmail.com |
| 8 | 1903 | 2.56 | 74 | 1.00 | http://www.majestic12.co.uk/bot.php?+ |
| 9 | 130 | 0.18 | 72 | 0.97 | +http://www.proximic.com/info/spider.php |
| 10 | 220 | 0.30 | 70 | 0.94 | +http://discoveryengine.com/discoverybot... |
| 11 | 3820 | 5.15 | 67 | 0.90 | http://help.yahoo.com/help/us/ysearch/sl... |
| 12 | 121 | 0.16 | 49 | 0.66 | +http://www.netseer.com/crawler.html; cr... |
| 13 | 84 | 0.11 | 40 | 0.54 | +http://www.exabot.com/go/robot |
| 14 | 26 | 0.04 | 26 | 0.35 | http://www.youdao.com/help/webmaster/spi... |
| 15 | 24 | 0.03 | 13 | 0.18 | Windows 98 |
| 16 | 903 | 1.22 | 12 | 0.16 | http://crawler.sistrix.net/ |
| 17 | 25 | 0.03 | 12 | 0.16 | Windows 95 |
| 18 | 43 | 0.06 | 10 | 0.13 | +http://shoulu.jike.com/spider.html |
| 19 | 18 | 0.02 | 9 | 0.12 | Auto; Windows |
| 20 | 4 | 0.01 | 4 | 0.05 | +http://pmoz.info/doc/botinfo.htm |
| 21 | 4 | 0.01 | 4 | 0.05 | +http://www.profound.net/sibot.html |
| 22 | 8 | 0.01 | 4 | 0.05 | ) - BrowseX (2.0.0 Windows |
| 23 | 5 | 0.01 | 3 | 0.04 | MSIE 5.5; Windows NT 5.0 |
| 24 | 105 | 0.14 | 3 | 0.04 | Linux i686 [unknown version] |
| 25 | 4 | 0.01 | 3 | 0.04 | +http://www.grapeshot.co.uk/crawler.php |
| 26 | 164 | 0.22 | 2 | 0.03 | +http://www.warebay.com/bot.html |
| 27 | 4 | 0.01 | 2 | 0.03 | +http://botw.org |
| 28 | 4 | 0.01 | 2 | 0.03 | Intel Mac OS X 10.6 |
| 29 | 11 | 0.01 | 1 | 0.01 | Intel Mac OS X 10.4 |
| 30 | 2 | 0.00 | 1 | 0.01 | Windows 3.1 |
| 31 | 1 | 0.00 | 1 | 0.01 | +info@netcraft.com |
| 32 | 1 | 0.00 | 1 | 0.01 | +http://domains.checkparams.com/ |
| 33 | 51 | 0.07 | 1 | 0.01 | X11 |
| 34 | 5 | 0.01 | 0 | 0.00 | http://desktop.google.com/ |
| 35 | 10 | 0.01 | 0 | 0.00 | Macintosh PPC |
| 36 | 2 | 0.00 | 0 | 0.00 | Solaris 2.4.x |
| 37 | 4 | 0.01 | 0 | 0.00 | PPC Mac OS X Mach-O |
