| Used Operating Systems |
| 1 | 5511 | 55.48 | 2370 | 45.04 | Windows NT |
| 2 | 2223 | 22.38 | 2111 | 40.12 | +http://www.baidu.com/search/spider.html |
| 3 | 833 | 8.39 | 339 | 6.44 | +http://www.google.com/bot.html |
| 4 | 363 | 3.65 | 54 | 1.03 | +http://yandex.com/bots |
| 5 | 151 | 1.52 | 69 | 1.31 | +http://www.bing.com/bingbot.htm |
| 6 | 80 | 0.81 | 30 | 0.57 | http://www.majestic12.co.uk/bot.php?+ |
| 7 | 76 | 0.77 | 22 | 0.42 | +http://fulltext.sblog.cz/ |
| 8 | 65 | 0.65 | 19 | 0.36 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 9 | 60 | 0.60 | 46 | 0.87 | Windows 95 |
| 10 | 54 | 0.54 | 10 | 0.19 | http://help.yahoo.com/help/us/ysearch/sl... |
| 11 | 42 | 0.42 | 20 | 0.38 | +http://www.easou.com/search/spider.html |
| 12 | 42 | 0.42 | 6 | 0.11 | +http://webmeup-crawler.com/ |
| 13 | 42 | 0.42 | 20 | 0.38 | +http://www.exabot.com/go/robot |
| 14 | 37 | 0.37 | 17 | 0.32 | help@moz.com |
| 15 | 34 | 0.34 | 19 | 0.36 | +http://www.linkdex.com/bots/ |
| 16 | 30 | 0.30 | 14 | 0.27 | X11 |
| 17 | 22 | 0.22 | 2 | 0.04 | Intel Mac OS X 10.4 |
| 18 | 22 | 0.22 | 1 | 0.02 | +http://www.softlist.us/ |
| 19 | 20 | 0.20 | 2 | 0.04 | +null; null |
| 20 | 19 | 0.19 | 9 | 0.17 | http://www.opensiteexplorer.org/dotbot, ... |
| 21 | 18 | 0.18 | 6 | 0.11 | +http://help.coccoc.com/ |
| 22 | 18 | 0.18 | 2 | 0.04 | +http://endb-consolidated.aihit.com/ |
| 23 | 17 | 0.17 | 7 | 0.13 | Android 2.3.5 |
| 24 | 16 | 0.16 | 0 | 0.00 | Windows 9. |
| 25 | 11 | 0.11 | 9 | 0.17 | MSIE 5.5; Windows NT 5.0 |
| 26 | 11 | 0.11 | 4 | 0.08 | Windows 98 |
| 27 | 10 | 0.10 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 28 | 8 | 0.08 | 1 | 0.02 | http://www.searchmetrics.com/en/searchme... |
| 29 | 8 | 0.08 | 1 | 0.02 | +http://OpenLinkProfiler.org/bot |
| 30 | 7 | 0.07 | 3 | 0.06 | ) - BrowseX (2.0.0 Windows |
| 31 | 6 | 0.06 | 1 | 0.02 | +http://ahrefs.com/robot/ |
| 32 | 6 | 0.06 | 4 | 0.08 | Windows 3.1 |
| 33 | 5 | 0.05 | 0 | 0.00 | Macintosh PPC |
| 34 | 5 | 0.05 | 3 | 0.06 | Windows XP |
| 35 | 5 | 0.05 | 4 | 0.08 | http://www.youdao.com/help/webmaster/spi... |
| 36 | 5 | 0.05 | 4 | 0.08 | +http://www.linkdex.com/about/bots/ |
| 37 | 4 | 0.04 | 4 | 0.08 | Windows CE |
| 38 | 4 | 0.04 | 1 | 0.02 | +http://www.proximic.com/info/spider.php |
| 39 | 4 | 0.04 | 2 | 0.04 | +http://www.yunyun.com/spider.html |
| 40 | 4 | 0.04 | 2 | 0.04 | +http://www.openhose.org/bot.html |
| 41 | 4 | 0.04 | 2 | 0.04 | ScoutJet; +http://blekko.com/about/blekk... |
| 42 | 3 | 0.03 | 0 | 0.00 | Linux 2.4.x |
| 43 | 3 | 0.03 | 3 | 0.06 | +http://www.loadtime.net/bot.html |
| 44 | 3 | 0.03 | 3 | 0.06 | MSIE 5.5; Windows NT 4.0 |
| 45 | 2 | 0.02 | 1 | 0.02 | http://linkfluence.net/; bot@linkfluence... |
| 46 | 2 | 0.02 | 1 | 0.02 | http://crawler.sistrix.net/ |
| 47 | 2 | 0.02 | 2 | 0.04 | Linux [unknown version] |
| 48 | 2 | 0.02 | 2 | 0.04 | Windows ME |
| 49 | 2 | 0.02 | 1 | 0.02 | +info@netcraft.com |
| 50 | 2 | 0.02 | 1 | 0.02 | Intel Mac OS X 10.6 |
| 51 | 2 | 0.02 | 1 | 0.02 | +http://www.meanpath.com/meanpathbot.htm... |
| 52 | 1 | 0.01 | 1 | 0.02 | Auto; Windows |
| 53 | 1 | 0.01 | 1 | 0.02 | Windows 2000 |
| 54 | 1 | 0.01 | 0 | 0.00 | +http://www.netseer.com/crawler.html; cr... |
| 55 | 1 | 0.01 | 1 | 0.02 | +http://www.linkpad.ru |
| 56 | 1 | 0.01 | 1 | 0.02 | +http://tweetmeme.com/ |
| 57 | 1 | 0.01 | 1 | 0.02 | Trident/6.0; Windows 98; SpamBlockerUtil... |
| 58 | 1 | 0.01 | 1 | 0.02 | +http://www.grapeshot.co.uk/crawler.php |
| 59 | 1 | 0.01 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 60 | 1 | 0.01 | 1 | 0.02 | Linux i686 [unknown version] |
