| Used Operating Systems |
| 1 | 10960 | 69.70 | 1397 | 33.45 | Windows NT |
| 2 | 1478 | 9.40 | 1467 | 35.13 | +http://www.baidu.com/search/spider.html |
| 3 | 511 | 3.25 | 238 | 5.70 | +http://www.bing.com/bingbot.htm |
| 4 | 437 | 2.78 | 147 | 3.52 | +http://www.google.com/bot.html |
| 5 | 369 | 2.35 | 119 | 2.85 | http://www.majestic12.co.uk/bot.php?+ |
| 6 | 290 | 1.84 | 72 | 1.72 | Intel Mac OS X 10.4 |
| 7 | 169 | 1.07 | 125 | 2.99 | +http://ahrefs.com/robot/ |
| 8 | 153 | 0.97 | 29 | 0.69 | +http://yandex.com/bots |
| 9 | 126 | 0.80 | 72 | 1.72 | Linux i386 [unknown version] |
| 10 | 126 | 0.80 | 126 | 3.02 | http://www.yodao.com/help/webmaster/spid... |
| 11 | 125 | 0.79 | 5 | 0.12 | http://crawler.sistrix.net/ |
| 12 | 115 | 0.73 | 56 | 1.34 | ezooms.bot@gmail.com |
| 13 | 74 | 0.47 | 48 | 1.15 | +http://www.openfos.com |
| 14 | 69 | 0.44 | 21 | 0.50 | Windows 95 |
| 15 | 64 | 0.41 | 19 | 0.45 | MirrorDetector; +http://yandex.com/bots |
| 16 | 47 | 0.30 | 47 | 1.13 | +http://www.mfgpages.com |
| 17 | 46 | 0.29 | 37 | 0.89 | +http://www.easou.com/search/spider.html |
| 18 | 45 | 0.29 | 2 | 0.05 | +http://filterdb.iss.net/crawler/ |
| 19 | 44 | 0.28 | 8 | 0.19 | Windows 98 |
| 20 | 43 | 0.27 | 0 | 0.00 | +http://www-935.ibm.com/services/us/inde... |
| 21 | 41 | 0.26 | 20 | 0.48 | +http://www.exabot.com/go/robot |
| 22 | 40 | 0.25 | 7 | 0.17 | +http://go.mail.ru/help/robots |
| 23 | 35 | 0.22 | 1 | 0.02 | +http://www.aihit.com/ |
| 24 | 35 | 0.22 | 35 | 0.84 | +http://shoulu.jike.com/spider.html |
| 25 | 33 | 0.21 | 1 | 0.02 | +http://www.warebay.com/bot.html |
| 26 | 32 | 0.20 | 1 | 0.02 | X11 |
| 27 | 27 | 0.17 | 4 | 0.10 | +http://siteexplorer.info/ |
| 28 | 25 | 0.16 | 1 | 0.02 | +http://fulltext.sblog.cz/screenshot/ |
| 29 | 24 | 0.15 | 12 | 0.29 | +http://www.career-x.de/bot.html |
| 30 | 23 | 0.15 | 1 | 0.02 | J2ME/MIDP |
| 31 | 21 | 0.13 | 21 | 0.50 | http://www.youdao.com/help/webmaster/spi... |
| 32 | 15 | 0.10 | 0 | 0.00 | http://help.yahoo.com/help/us/ysearch/sl... |
| 33 | 11 | 0.07 | 5 | 0.12 | +http://www.semrush.com/bot.html |
| 34 | 10 | 0.06 | 4 | 0.10 | MSIE 5.5; Windows NT 4.0 |
| 35 | 9 | 0.06 | 8 | 0.19 | Linux i686 [unknown version] |
| 36 | 7 | 0.04 | 1 | 0.02 | Windows |
| 37 | 6 | 0.04 | 3 | 0.07 | http://www.searchmetrics.com/en/searchme... |
| 38 | 6 | 0.04 | 1 | 0.02 | http://www.mojeek.com/bot.html |
| 39 | 4 | 0.03 | 2 | 0.05 | +http://wiki.github.com/bixo/bixo/bixocr... |
| 40 | 4 | 0.03 | 0 | 0.00 | LBBROWSER |
| 41 | 3 | 0.02 | 2 | 0.05 | http://help.zum.com/inquiry |
| 42 | 3 | 0.02 | 1 | 0.02 | MSIE 5.5; Windows NT 5.0 |
| 43 | 3 | 0.02 | 1 | 0.02 | Windows 3.1 |
| 44 | 2 | 0.01 | 0 | 0.00 | http://desktop.google.com/ |
| 45 | 2 | 0.01 | 2 | 0.05 | +http://www.netseer.com/crawler.html; cr... |
| 46 | 2 | 0.01 | 2 | 0.05 | +http://pmoz.info/doc/botinfo.htm |
| 47 | 2 | 0.01 | 0 | 0.00 | Windows XP |
| 48 | 2 | 0.01 | 1 | 0.02 | +info@netcraft.com |
| 49 | 2 | 0.01 | 1 | 0.02 | ScoutJet; +http://blekko.com/about/blekk... |
| 50 | 1 | 0.01 | 1 | 0.02 | Intel Mac OS X |
| 51 | 1 | 0.01 | 0 | 0.00 | +http://4seohunt.biz/about.html |
| 52 | 1 | 0.01 | 1 | 0.02 | Intel Mac OS X 10.6 |
| 53 | 1 | 0.01 | 1 | 0.02 | +http://www.wmtips.com/tools/ |
| 54 | 1 | 0.01 | 0 | 0.00 | +http://4seohunt.biz/bot.html |
