| Used Operating Systems |
| 1 | 4727 | 42.41 | 2822 | 47.18 | Windows NT |
| 2 | 2016 | 18.09 | 1839 | 30.75 | +http://www.baidu.com/search/spider.html |
| 3 | 1359 | 12.19 | 826 | 13.81 | +http://www.easou.com/search/spider.html |
| 4 | 974 | 8.74 | 51 | 0.85 | http://www.majestic12.co.uk/bot.php?+ |
| 5 | 713 | 6.40 | 24 | 0.40 | Windows 98 |
| 6 | 483 | 4.33 | 238 | 3.98 | +http://www.bing.com/bingbot.htm |
| 7 | 284 | 2.55 | 3 | 0.05 | +http://OpenLinkProfiler.org/bot |
| 8 | 146 | 1.31 | 43 | 0.72 | +http://yandex.com/bots |
| 9 | 102 | 0.92 | 34 | 0.57 | +http://www.linkdex.com/bots/ |
| 10 | 82 | 0.74 | 23 | 0.38 | +http://www.google.com/bot.html |
| 11 | 72 | 0.65 | 2 | 0.03 | http://crawler.sistrix.net/ |
| 12 | 39 | 0.35 | 12 | 0.20 | http://help.yahoo.com/help/us/ysearch/sl... |
| 13 | 18 | 0.16 | 6 | 0.10 | Linux i686 [unknown version] |
| 14 | 15 | 0.13 | 14 | 0.23 | Windows 95 |
| 15 | 13 | 0.12 | 9 | 0.15 | MSIE 5.5; Windows NT 5.0 |
| 16 | 12 | 0.11 | 4 | 0.07 | +http://www.linkdex.com/about/bots/ |
| 17 | 10 | 0.09 | 1 | 0.02 | Linux [unknown version] |
| 18 | 8 | 0.07 | 8 | 0.13 | Windows 2000 |
| 19 | 7 | 0.06 | 0 | 0.00 | +http://ahrefs.com/robot/ |
| 20 | 7 | 0.06 | 2 | 0.03 | X11 |
| 21 | 5 | 0.04 | 2 | 0.03 | Android 2.3.5 |
| 22 | 4 | 0.04 | 1 | 0.02 | Macintosh PPC |
| 23 | 4 | 0.04 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 24 | 4 | 0.04 | 4 | 0.07 | Windows 3.1 |
| 25 | 3 | 0.03 | 3 | 0.05 | Windows CE |
| 26 | 3 | 0.03 | 0 | 0.00 | MSIE 5.5; Windows NT 5.1 |
| 27 | 3 | 0.03 | 0 | 0.00 | Linux 2.4.x |
| 28 | 2 | 0.02 | 0 | 0.00 | http://www.searchme.com/support/ |
| 29 | 2 | 0.02 | 0 | 0.00 | Win32 |
| 30 | 2 | 0.02 | 0 | 0.00 | Android |
| 31 | 2 | 0.02 | 0 | 0.00 | +http://about.depspid.net |
| 32 | 2 | 0.02 | 2 | 0.03 | Windows ME |
| 33 | 2 | 0.02 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 34 | 2 | 0.02 | 1 | 0.02 | +info@netcraft.com |
| 35 | 2 | 0.02 | 1 | 0.02 | http://nlp.fi.muni.cz/projects/biwec/ |
| 36 | 2 | 0.02 | 0 | 0.00 | MSIE 5.5; Windows NT 4.0 |
| 37 | 2 | 0.02 | 1 | 0.02 | +http://www.meanpath.com/meanpathbot.htm... |
| 38 | 2 | 0.02 | 1 | 0.02 | +http://ego.ms.mff.cuni.cz/ |
| 39 | 1 | 0.01 | 1 | 0.02 | rotate |
| 40 | 1 | 0.01 | 0 | 0.00 | http://www.tkl.iis.u-tokyo.ac.jp/~crawle... |
| 41 | 1 | 0.01 | 0 | 0.00 | http://www.yoono.com/ |
| 42 | 1 | 0.01 | 0 | 0.00 | +http://www.openindex.io/en/webmasters/s... |
| 43 | 1 | 0.01 | 1 | 0.02 | +http://www.infohelfer.de/crawler.php |
| 44 | 1 | 0.01 | 1 | 0.02 | +http://page2rss.com/ |
| 45 | 1 | 0.01 | 0 | 0.00 | ActiveXperts.Http.3.1 |
| 46 | 1 | 0.01 | 0 | 0.00 | +http://www.blinka.jp/crawler/ |
| 47 | 1 | 0.01 | 0 | 0.00 | +http://begun.ru/begun/technology/indexe... |
| 48 | 1 | 0.01 | 1 | 0.02 | Windows XP |
