| Used Operating Systems |
| 1 | 9040 | 39.03 | 1637 | 23.05 | Windows NT |
| 2 | 2702 | 11.67 | 2496 | 35.14 | +http://www.baidu.com/search/spider.html |
| 3 | 2261 | 9.76 | 713 | 10.04 | +http://www.bing.com/bingbot.htm |
| 4 | 1759 | 7.59 | 326 | 4.59 | ezooms.bot@gmail.com |
| 5 | 1625 | 7.02 | 523 | 7.36 | +http://www.google.com/bot.html |
| 6 | 1464 | 6.32 | 417 | 5.87 | http://www.majestic12.co.uk/bot.php?+ |
| 7 | 1022 | 4.41 | 20 | 0.28 | http://crawler.sistrix.net/ |
| 8 | 716 | 3.09 | 213 | 3.00 | +http://ahrefs.com/robot/ |
| 9 | 528 | 2.28 | 64 | 0.90 | +http://yandex.com/bots |
| 10 | 329 | 1.42 | 8 | 0.11 | +http://siteexplorer.info/ |
| 11 | 291 | 1.26 | 89 | 1.25 | +http://www.acoon.de/robot.asp |
| 12 | 248 | 1.07 | 122 | 1.72 | +http://help.soso.com/webspider.htm |
| 13 | 189 | 0.82 | 90 | 1.27 | +http://discoveryengine.com/discoverybot... |
| 14 | 169 | 0.73 | 48 | 0.68 | Windows 98 |
| 15 | 101 | 0.44 | 63 | 0.89 | +http://shoulu.jike.com/spider.html |
| 16 | 62 | 0.27 | 28 | 0.39 | +http://www.career-x.de/bot.html |
| 17 | 61 | 0.26 | 61 | 0.86 | http://www.yodao.com/help/webmaster/spid... |
| 18 | 61 | 0.26 | 31 | 0.44 | +http://www.exabot.com/go/robot |
| 19 | 59 | 0.25 | 3 | 0.04 | X11 |
| 20 | 52 | 0.22 | 18 | 0.25 | Windows 95 |
| 21 | 43 | 0.19 | 20 | 0.28 | +http://www.easou.com/search/spider.html |
| 22 | 43 | 0.19 | 18 | 0.25 | +http://www.semrush.com/bot.html |
| 23 | 42 | 0.18 | 2 | 0.03 | iPad |
| 24 | 37 | 0.16 | 10 | 0.14 | http://www.searchmetrics.com/en/searchme... |
| 25 | 36 | 0.16 | 2 | 0.03 | bot@language-tools.com |
| 26 | 32 | 0.14 | 1 | 0.01 | http://help.yahoo.com/help/us/ysearch/sl... |
| 27 | 20 | 0.09 | 1 | 0.01 | +http://fulltext.sblog.cz/screenshot/ |
| 28 | 18 | 0.08 | 12 | 0.17 | +http://go.mail.ru/help/robots |
| 29 | 16 | 0.07 | 2 | 0.03 | +http://www.compspy.com/spider.html |
| 30 | 12 | 0.05 | 4 | 0.06 | Windows 3.1 |
| 31 | 10 | 0.04 | 5 | 0.07 | ScoutJet; +http://blekko.com/about/blekk... |
| 32 | 8 | 0.03 | 2 | 0.03 | +http://filterdb.iss.net/crawler/ |
| 33 | 8 | 0.03 | 6 | 0.08 | MSIE 5.5; Windows NT 5.0 |
| 34 | 8 | 0.03 | 4 | 0.06 | +http://botw.org |
| 35 | 6 | 0.03 | 0 | 0.00 | http://desktop.google.com/ |
| 36 | 6 | 0.03 | 2 | 0.03 | +http://www.yunyun.com/spider.html |
| 37 | 6 | 0.03 | 2 | 0.03 | +http://awcheck.com/en/about |
| 38 | 5 | 0.02 | 5 | 0.07 | +http://pmoz.info/doc/botinfo.htm |
| 39 | 5 | 0.02 | 1 | 0.01 | Trident 4.0; Windows 98; FDM; MSN Optimi... |
| 40 | 5 | 0.02 | 5 | 0.07 | WinHttp.WinHttpRequest.5 |
| 41 | 4 | 0.02 | 1 | 0.01 | J2ME/MIDP |
| 42 | 4 | 0.02 | 2 | 0.03 | http://www.mojeek.com/bot.html |
| 43 | 4 | 0.02 | 2 | 0.03 | Intel Mac OS X 10.4 |
| 44 | 4 | 0.02 | 2 | 0.03 | +http://help.coccoc.com/ |
| 45 | 4 | 0.02 | 2 | 0.03 | MSIE 5.5; Windows NT 4.0 |
| 46 | 4 | 0.02 | 2 | 0.03 | Intel Mac OS X 10.6 |
| 47 | 4 | 0.02 | 2 | 0.03 | +http://www.procog.com/ |
| 48 | 3 | 0.01 | 1 | 0.01 | Windows 2000 |
| 49 | 3 | 0.01 | 3 | 0.04 | Linux [unknown version] |
| 50 | 3 | 0.01 | 1 | 0.01 | Windows ME |
| 51 | 2 | 0.01 | 2 | 0.03 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 52 | 2 | 0.01 | 0 | 0.00 | Windows 92 |
| 53 | 2 | 0.01 | 0 | 0.00 | Windows 9. |
| 54 | 2 | 0.01 | 0 | 0.00 | +http://tweetmeme.com/ |
| 55 | 2 | 0.01 | 1 | 0.01 | +info@netcraft.com |
| 56 | 2 | 0.01 | 1 | 0.01 | +http://spider.socialbm.net |
| 57 | 2 | 0.01 | 2 | 0.03 | PPC Mac OS X 10.5 |
| 58 | 2 | 0.01 | 2 | 0.03 | +http://www.wmtips.com/tools/ |
| 59 | 1 | 0.00 | 1 | 0.01 | Windows CE |
| 60 | 1 | 0.00 | 0 | 0.00 | +http://images.weserv.nl/ |
| 61 | 1 | 0.00 | 1 | 0.01 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 62 | 1 | 0.00 | 1 | 0.01 | Linux i686 [unknown version] |
