| Used Operating Systems |
| 1 | 214424 | 95.19 | 2948 | 43.13 | Windows NT |
| 2 | 2458 | 1.09 | 2275 | 33.28 | +http://www.baidu.com/search/spider.html |
| 3 | 1660 | 0.74 | 12 | 0.18 | Windows Phone OS 7.5 |
| 4 | 954 | 0.42 | 388 | 5.68 | +http://www.bing.com/bingbot.htm |
| 5 | 703 | 0.31 | 216 | 3.16 | +http://www.google.com/bot.html |
| 6 | 466 | 0.21 | 4 | 0.06 | BREW |
| 7 | 448 | 0.20 | 2 | 0.03 | J2ME/MIDP |
| 8 | 444 | 0.20 | 201 | 2.94 | +http://ahrefs.com/robot/ |
| 9 | 380 | 0.17 | 20 | 0.29 | +http://www.creativeresearchindexer.com |
| 10 | 296 | 0.13 | 16 | 0.23 | http://crawler.sistrix.net/ |
| 11 | 290 | 0.13 | 18 | 0.26 | Linux i686 [unknown version] |
| 12 | 282 | 0.13 | 4 | 0.06 | Intel Mac OS X 10.6 |
| 13 | 270 | 0.12 | 92 | 1.35 | http://www.majestic12.co.uk/bot.php?+ |
| 14 | 267 | 0.12 | 27 | 0.40 | +http://yandex.com/bots |
| 15 | 246 | 0.11 | 93 | 1.36 | ezooms.bot@gmail.com |
| 16 | 209 | 0.09 | 1 | 0.01 | Windows Phone OS 7.0 |
| 17 | 202 | 0.09 | 200 | 2.93 | http://www.yodao.com/help/webmaster/spid... |
| 18 | 169 | 0.08 | 51 | 0.75 | MirrorDetector; +http://yandex.com/bots |
| 19 | 146 | 0.06 | 28 | 0.41 | Intel Mac OS X 10.4 |
| 20 | 142 | 0.06 | 2 | 0.03 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 21 | 130 | 0.06 | 0 | 0.00 | +http://www-935.ibm.com/services/us/inde... |
| 22 | 86 | 0.04 | 1 | 0.01 | +http://filterdb.iss.net/crawler/ |
| 23 | 73 | 0.03 | 1 | 0.01 | X11 |
| 24 | 64 | 0.03 | 6 | 0.09 | +http://siteexplorer.info/ |
| 25 | 64 | 0.03 | 54 | 0.79 | +http://shoulu.jike.com/spider.html |
| 26 | 55 | 0.02 | 25 | 0.37 | +http://www.exabot.com/go/robot |
| 27 | 49 | 0.02 | 31 | 0.45 | 0.1.1; +http://h.wrttn.me/human_curl |
| 28 | 40 | 0.02 | 4 | 0.06 | http://www.searchmetrics.com/en/searchme... |
| 29 | 39 | 0.02 | 36 | 0.53 | +http://www.easou.com/search/spider.html |
| 30 | 38 | 0.02 | 2 | 0.03 | +http://www.aihit.com/ |
| 31 | 30 | 0.01 | 10 | 0.15 | +http://go.mail.ru/help/robots |
| 32 | 22 | 0.01 | 22 | 0.32 | http://www.youdao.com/help/webmaster/spi... |
| 33 | 16 | 0.01 | 8 | 0.12 | MSIE 5.5; Windows NT 5.0 |
| 34 | 14 | 0.01 | 0 | 0.00 | http://desktop.google.com/ |
| 35 | 14 | 0.01 | 2 | 0.03 | Windows 98 |
| 36 | 12 | 0.01 | 4 | 0.06 | +http://www.semrush.com/bot.html |
| 37 | 6 | 0.00 | 4 | 0.06 | +info@netcraft.com |
| 38 | 6 | 0.00 | 3 | 0.04 | +http://discoveryengine.com/discoverybot... |
| 39 | 4 | 0.00 | 2 | 0.03 | http://help.zum.com/inquiry |
| 40 | 4 | 0.00 | 2 | 0.03 | +http://wiki.github.com/bixo/bixo/bixocr... |
| 41 | 4 | 0.00 | 2 | 0.03 | ScoutJet; +http://blekko.com/about/blekk... |
| 42 | 4 | 0.00 | 1 | 0.01 | +http://www.acoon.de/robot.asp |
| 43 | 3 | 0.00 | 1 | 0.01 | +http://www.proximic.com/info/spider.php |
| 44 | 3 | 0.00 | 3 | 0.04 | +http://www.netseer.com/crawler.html; cr... |
| 45 | 3 | 0.00 | 3 | 0.04 | +http://www.career-x.de/bot.html |
| 46 | 2 | 0.00 | 2 | 0.03 | Linux [unknown version] |
| 47 | 2 | 0.00 | 0 | 0.00 | Windows 9. |
| 48 | 2 | 0.00 | 1 | 0.01 | Windows 95 |
| 49 | 2 | 0.00 | 2 | 0.03 | +http://www.wmtips.com/tools/ |
| 50 | 2 | 0.00 | 2 | 0.03 | Macintosh |
| 51 | 2 | 0.00 | 1 | 0.01 | +http://www.grapeshot.co.uk/crawler.php |
| 52 | 1 | 0.00 | 1 | 0.01 | Intel Mac OS X |
| 53 | 1 | 0.00 | 1 | 0.01 | Windows XP |
