| Used Operating Systems |
| 1 | 15110 | 37.41 | 6089 | 63.71 | +http://www.baidu.com/search/spider.html |
| 2 | 10681 | 26.45 | 107 | 1.12 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 4498 | 11.14 | 703 | 7.36 | Windows NT |
| 4 | 3290 | 8.15 | 564 | 5.90 | +http://www.bing.com/bingbot.htm |
| 5 | 1945 | 4.82 | 949 | 9.93 | +http://www.google.com/bot.html |
| 6 | 900 | 2.23 | 315 | 3.30 | http://help.yahoo.com/help/us/ysearch/sl... |
| 7 | 432 | 1.07 | 2 | 0.02 | +http://OpenLinkProfiler.org/bot |
| 8 | 392 | 0.97 | 170 | 1.78 | +http://www.xovibot.net/ |
| 9 | 386 | 0.96 | 108 | 1.13 | +http://ahrefs.com/robot/ |
| 10 | 373 | 0.92 | 69 | 0.72 | +http://www.semrush.com/bot.html |
| 11 | 372 | 0.92 | 31 | 0.32 | http://www.searchmetrics.com/en/searchme... |
| 12 | 341 | 0.84 | 3 | 0.03 | Linux [unknown version] |
| 13 | 301 | 0.75 | 114 | 1.19 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 14 | 289 | 0.72 | 75 | 0.78 | http://www.opensiteexplorer.org/dotbot, ... |
| 15 | 216 | 0.53 | 2 | 0.02 | +http://www.warebay.com/bot.html |
| 16 | 215 | 0.53 | 1 | 0.01 | +http://megaindex.com/crawler |
| 17 | 158 | 0.39 | 41 | 0.43 | +http://yandex.com/bots |
| 18 | 99 | 0.25 | 33 | 0.35 | +http://www.linkdex.com/bots/ |
| 19 | 80 | 0.20 | 37 | 0.39 | +http://duckduckgo.com |
| 20 | 62 | 0.15 | 20 | 0.21 | Windows XP |
| 21 | 55 | 0.14 | 18 | 0.19 | Windows 98 |
| 22 | 45 | 0.11 | 35 | 0.37 | Windows 95 |
| 23 | 34 | 0.08 | 14 | 0.15 | +http://www.exabot.com/go/robot |
| 24 | 17 | 0.04 | 6 | 0.06 | Windows CE |
| 25 | 15 | 0.04 | 7 | 0.07 | Windows ME |
| 26 | 12 | 0.03 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 27 | 9 | 0.02 | 6 | 0.06 | MSIE 5.5; Windows NT 4.0 |
| 28 | 8 | 0.02 | 6 | 0.06 | Auto; Windows |
| 29 | 8 | 0.02 | 6 | 0.06 | ) - BrowseX (2.0.0 Windows |
| 30 | 5 | 0.01 | 4 | 0.04 | Windows 3.1 |
| 31 | 5 | 0.01 | 4 | 0.04 | Linux i686 [unknown version] |
| 32 | 4 | 0.01 | 0 | 0.00 | http://drive.google.com |
| 33 | 4 | 0.01 | 4 | 0.04 | MSIE 5.5; Windows NT 5.0 |
| 34 | 4 | 0.01 | 2 | 0.02 | +http://www.meanpath.com/meanpathbot.htm... |
| 35 | 3 | 0.01 | 3 | 0.03 | +http://www.domaintuno.com/robot |
| 36 | 2 | 0.00 | 2 | 0.02 | Windows 2000 |
| 37 | 2 | 0.00 | 1 | 0.01 | +http://crawler.seolytics.net/ |
| 38 | 2 | 0.00 | 1 | 0.01 | +info@netcraft.com |
| 39 | 2 | 0.00 | 0 | 0.00 | +http://fulltext.sblog.cz/ |
| 40 | 1 | 0.00 | 0 | 0.00 | J2ME/MIDP |
| 41 | 1 | 0.00 | 1 | 0.01 | OpenBSD [unknown version] |
| 42 | 1 | 0.00 | 0 | 0.00 | Android |
| 43 | 1 | 0.00 | 1 | 0.01 | Intel Mac OS X |
| 44 | 1 | 0.00 | 0 | 0.00 | PPC Mac OS X 10.5 |
| 45 | 1 | 0.00 | 0 | 0.00 | Linux 2.6.x |
| 46 | 1 | 0.00 | 1 | 0.01 | Intel Mac OS X 10.6 |
| 47 | 1 | 0.00 | 0 | 0.00 | Android 2.3.5 |
| 48 | 1 | 0.00 | 1 | 0.01 | FreeBSD [unknown version] |
| 49 | 1 | 0.00 | 1 | 0.01 | PPC Mac OS X Mach-O |
