| Used Operating Systems |
| 1 | 2306 | 39.22 | 2082 | 51.18 | +http://www.baidu.com/search/spider.html |
| 2 | 1667 | 28.36 | 1435 | 35.28 | Windows NT |
| 3 | 975 | 16.58 | 207 | 5.09 | +http://www.bing.com/bingbot.htm |
| 4 | 228 | 3.88 | 58 | 1.43 | +http://yandex.com/bots |
| 5 | 178 | 3.03 | 88 | 2.16 | +http://www.google.com/bot.html |
| 6 | 121 | 2.06 | 60 | 1.47 | http://www.majestic12.co.uk/bot.php?+ |
| 7 | 110 | 1.87 | 0 | 0.00 | http://www.opensiteexplorer.org/dotbot, ... |
| 8 | 67 | 1.14 | 29 | 0.71 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 9 | 27 | 0.46 | 24 | 0.59 | +http://www.easou.com/search/spider.html |
| 10 | 21 | 0.36 | 0 | 0.00 | +http://ahrefs.com/robot/ |
| 11 | 21 | 0.36 | 8 | 0.20 | http://help.yahoo.com/help/us/ysearch/sl... |
| 12 | 21 | 0.36 | 11 | 0.27 | +http://www.exabot.com/go/robot |
| 13 | 16 | 0.27 | 4 | 0.10 | Linux [unknown version] |
| 14 | 12 | 0.20 | 4 | 0.10 | +http://OpenLinkProfiler.org/bot |
| 15 | 12 | 0.20 | 4 | 0.10 | ScoutJet; +http://blekko.com/about/blekk... |
| 16 | 8 | 0.14 | 5 | 0.12 | +http://getdownload.ws |
| 17 | 8 | 0.14 | 4 | 0.10 | http://crawler.sistrix.net/ |
| 18 | 8 | 0.14 | 6 | 0.15 | +http://wmaid.com/explore/ |
| 19 | 6 | 0.10 | 4 | 0.10 | +http://downloaflare.biz |
| 20 | 6 | 0.10 | 4 | 0.10 | +info@netcraft.com |
| 21 | 6 | 0.10 | 0 | 0.00 | http://filterdb.iss.net/crawler/ |
| 22 | 5 | 0.09 | 5 | 0.12 | Win32 |
| 23 | 5 | 0.09 | 1 | 0.02 | +http://www.warebay.com/bot.html |
| 24 | 5 | 0.09 | 4 | 0.10 | Intel Mac OS X 10.4 |
| 25 | 4 | 0.07 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 26 | 4 | 0.07 | 4 | 0.10 | Linux 2.4.x |
| 27 | 4 | 0.07 | 4 | 0.10 | +http://www.xovibot.net/ |
| 28 | 4 | 0.07 | 2 | 0.05 | +http://endb-consolidated.aihit.com/ |
| 29 | 4 | 0.07 | 2 | 0.05 | +http://overx50.com/ |
| 30 | 3 | 0.05 | 0 | 0.00 | Android |
| 31 | 3 | 0.05 | 1 | 0.02 | +http://webmeup-crawler.com/ |
| 32 | 2 | 0.03 | 2 | 0.05 | +http://fb02itsscan.fh-muenster.de |
| 33 | 2 | 0.03 | 0 | 0.00 | +http://wiki.github.com/bixo/bixo/bixocr... |
| 34 | 2 | 0.03 | 2 | 0.05 | SunOS |
| 35 | 2 | 0.03 | 0 | 0.00 | +http://www.meanpath.com/meanpathbot.htm... |
| 36 | 2 | 0.03 | 1 | 0.02 | +http://fulltext.sblog.cz/ |
| 37 | 2 | 0.03 | 1 | 0.02 | +http://mydownloadengine.com |
| 38 | 1 | 0.02 | 1 | 0.02 | +http://overx50.com |
| 39 | 1 | 0.02 | 1 | 0.02 | AOL 9.7; AOLBuild 4343.55; Windows NT 6.... |
