| Used Operating Systems |
| 1 | 25455 | 56.65 | 5312 | 51.09 | Windows NT |
| 2 | 5659 | 12.59 | 233 | 2.24 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 5293 | 11.78 | 367 | 3.53 | ezooms.bot@gmail.com |
| 4 | 2094 | 4.66 | 1974 | 18.99 | +http://www.baidu.com/search/spider.html |
| 5 | 1294 | 2.88 | 645 | 6.20 | Windows 95 |
| 6 | 878 | 1.95 | 156 | 1.50 | +http://yandex.com/bots |
| 7 | 831 | 1.85 | 32 | 0.31 | Windows 98 |
| 8 | 731 | 1.63 | 197 | 1.89 | +http://www.google.com/bot.html |
| 9 | 299 | 0.67 | 87 | 0.84 | +http://www.bing.com/bingbot.htm |
| 10 | 272 | 0.61 | 205 | 1.97 | MSIE 5.5; Windows NT 5.0 |
| 11 | 245 | 0.55 | 168 | 1.62 | Windows 2000 |
| 12 | 244 | 0.54 | 166 | 1.60 | MSIE 5.5; Windows NT 4.0 |
| 13 | 225 | 0.50 | 156 | 1.50 | ) - BrowseX (2.0.0 Windows |
| 14 | 215 | 0.48 | 149 | 1.43 | Windows CE |
| 15 | 211 | 0.47 | 103 | 0.99 | Windows 3.1 |
| 16 | 209 | 0.47 | 101 | 0.97 | Windows ME |
| 17 | 202 | 0.45 | 0 | 0.00 | Windows XP |
| 18 | 190 | 0.42 | 140 | 1.35 | Auto; Windows |
| 19 | 73 | 0.16 | 40 | 0.38 | +http://www.easou.com/search/spider.html |
| 20 | 63 | 0.14 | 63 | 0.61 | http://www.yodao.com/help/webmaster/spid... |
| 21 | 29 | 0.06 | 4 | 0.04 | +http://ahrefs.com/robot/ |
| 22 | 28 | 0.06 | 4 | 0.04 | MirrorDetector; +http://yandex.com/bots |
| 23 | 24 | 0.05 | 12 | 0.12 | +http://www.career-x.de/bot.html |
| 24 | 20 | 0.04 | 10 | 0.10 | +http://www.exabot.com/go/robot |
| 25 | 19 | 0.04 | 16 | 0.15 | +http://shoulu.jike.com/spider.html |
| 26 | 16 | 0.04 | 1 | 0.01 | Android 2.3.6 |
| 27 | 14 | 0.03 | 14 | 0.13 | +http://help.soso.com/webspider.htm |
| 28 | 14 | 0.03 | 1 | 0.01 | +http://fulltext.sblog.cz/screenshot/ |
| 29 | 10 | 0.02 | 5 | 0.05 | http://crawler.sistrix.net/ |
| 30 | 9 | 0.02 | 1 | 0.01 | +http://go.mail.ru/help/robots |
| 31 | 9 | 0.02 | 8 | 0.08 | X11 |
| 32 | 8 | 0.02 | 0 | 0.00 | PPC Mac OS X 10.5 |
| 33 | 8 | 0.02 | 4 | 0.04 | +http://siteexplorer.info/ |
| 34 | 6 | 0.01 | 3 | 0.03 | +http://www.acoon.de/robot.asp |
| 35 | 5 | 0.01 | 0 | 0.00 | Series 60 |
| 36 | 4 | 0.01 | 2 | 0.02 | +http://snipebot.com/bot.html |
| 37 | 3 | 0.01 | 1 | 0.01 | http://help.yahoo.com/help/us/ysearch/sl... |
| 38 | 2 | 0.00 | 1 | 0.01 | http://www.searchmetrics.com/en/searchme... |
| 39 | 2 | 0.00 | 2 | 0.02 | Linux [unknown version] |
| 40 | 2 | 0.00 | 1 | 0.01 | crawler@nigma.ru |
| 41 | 2 | 0.00 | 1 | 0.01 | Android 2.3.5 |
| 42 | 2 | 0.00 | 2 | 0.02 | +http://www.semrush.com/bot.html |
| 43 | 2 | 0.00 | 1 | 0.01 | +info@netcraft.com |
| 44 | 2 | 0.00 | 2 | 0.02 | +http://vk.com/dev/Share |
| 45 | 2 | 0.00 | 0 | 0.00 | +http://discoveryengine.com/discoverybot... |
| 46 | 2 | 0.00 | 1 | 0.01 | ScoutJet; +http://blekko.com/about/blekk... |
| 47 | 2 | 0.00 | 1 | 0.01 | Android 2.2.1 |
| 48 | 2 | 0.00 | 2 | 0.02 | Macintosh |
| 49 | 1 | 0.00 | 1 | 0.01 | +http://www.netseer.com/crawler.html; cr... |
| 50 | 1 | 0.00 | 1 | 0.01 | PPC; Trident/1.0 |
| 51 | 1 | 0.00 | 1 | 0.01 | Linux i686 [unknown version] |