| Used Operating Systems |
| 1 | 20397 | 43.45 | 5261 | 46.19 | Windows NT |
| 2 | 7722 | 16.45 | 274 | 2.41 | +http://ahrefs.com/robot/ |
| 3 | 3100 | 6.60 | 1134 | 9.96 | +http://www.google.com/bot.html |
| 4 | 3087 | 6.58 | 133 | 1.17 | +http://yandex.com/bots |
| 5 | 2660 | 5.67 | 2457 | 21.57 | +http://www.baidu.com/search/spider.html |
| 6 | 2064 | 4.40 | 675 | 5.93 | +http://www.bing.com/bingbot.htm |
| 7 | 2027 | 4.32 | 95 | 0.83 | http://www.majestic12.co.uk/bot.php?+ |
| 8 | 1218 | 2.59 | 286 | 2.51 | http://www.opensiteexplorer.org/dotbot, ... |
| 9 | 1102 | 2.35 | 2 | 0.02 | http://crawler.007ac9.net/ |
| 10 | 944 | 2.01 | 465 | 4.08 | http://help.yahoo.com/help/us/ysearch/sl... |
| 11 | 739 | 1.57 | 1 | 0.01 | +http://OpenLinkProfiler.org/bot |
| 12 | 460 | 0.98 | 1 | 0.01 | +http://webmeup-crawler.com/ |
| 13 | 295 | 0.63 | 258 | 2.27 | +http://www.easou.com/search/spider.html |
| 14 | 237 | 0.50 | 79 | 0.69 | +http://www.linkdex.com/bots/ |
| 15 | 64 | 0.14 | 10 | 0.09 | +http://www.profound.net/domainappender |
| 16 | 61 | 0.13 | 51 | 0.45 | +http://www.xovibot.net/ |
| 17 | 57 | 0.12 | 7 | 0.06 | Android |
| 18 | 57 | 0.12 | 27 | 0.24 | Windows 95 |
| 19 | 52 | 0.11 | 23 | 0.20 | +http://www.exabot.com/go/robot |
| 20 | 40 | 0.09 | 1 | 0.01 | http://www.lipperhey.com/ |
| 21 | 37 | 0.08 | 0 | 0.00 | +http://help.naver.com/robots/ |
| 22 | 30 | 0.06 | 15 | 0.13 | +http://www.semrush.com/bot.html |
| 23 | 30 | 0.06 | 15 | 0.13 | +http://www.meanpath.com/meanpathbot.htm... |
| 24 | 29 | 0.06 | 1 | 0.01 | Windows Phone OS 7.5 |
| 25 | 29 | 0.06 | 2 | 0.02 | +http://fulltext.sblog.cz/ |
| 26 | 26 | 0.06 | 8 | 0.07 | Windows 98 |
| 27 | 24 | 0.05 | 6 | 0.05 | X11 |
| 28 | 23 | 0.05 | 1 | 0.01 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 29 | 22 | 0.05 | 10 | 0.09 | MSIE 5.5; Windows NT 5.0 |
| 30 | 21 | 0.04 | 0 | 0.00 | J2ME/MIDP |
| 31 | 19 | 0.04 | 7 | 0.06 | Windows 3.1 |
| 32 | 19 | 0.04 | 7 | 0.06 | Android 2.3.5 |
| 33 | 18 | 0.04 | 0 | 0.00 | Windows 9. |
| 34 | 18 | 0.04 | 9 | 0.08 | +http://help.coccoc.com/ |
| 35 | 15 | 0.03 | 2 | 0.02 | http://www.searchmetrics.com/en/searchme... |
| 36 | 14 | 0.03 | 2 | 0.02 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 37 | 13 | 0.03 | 4 | 0.04 | Windows 2000 |
| 38 | 13 | 0.03 | 4 | 0.04 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 39 | 13 | 0.03 | 5 | 0.04 | ) - BrowseX (2.0.0 Windows |
| 40 | 12 | 0.03 | 5 | 0.04 | MSIE 5.5; Windows NT 4.0 |
| 41 | 12 | 0.03 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 42 | 10 | 0.02 | 3 | 0.03 | Windows XP |
| 43 | 9 | 0.02 | 3 | 0.03 | Auto; Windows |
| 44 | 9 | 0.02 | 1 | 0.01 | Intel Mac OS X 10.4 |
| 45 | 8 | 0.02 | 2 | 0.02 | http://filterdb.iss.net/crawler/ |
| 46 | 7 | 0.01 | 6 | 0.05 | Linux i686 [unknown version] |
| 47 | 7 | 0.01 | 1 | 0.01 | +http://siteexplorer.info/ |
| 48 | 6 | 0.01 | 4 | 0.04 | Windows CE |
| 49 | 6 | 0.01 | 3 | 0.03 | Windows ME |
| 50 | 5 | 0.01 | 5 | 0.04 | Linux [unknown version] |
| 51 | 5 | 0.01 | 2 | 0.02 | Intel Mac OS X 10.6 |
| 52 | 4 | 0.01 | 1 | 0.01 | +http://getdownload.ws |
| 53 | 4 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 54 | 4 | 0.01 | 1 | 0.01 | +http://galaxydownloads.co |
| 55 | 4 | 0.01 | 1 | 0.01 | +http://r4downloads.co |
| 56 | 3 | 0.01 | 1 | 0.01 | PPC Mac OS X 10.4 |
| 57 | 3 | 0.01 | 1 | 0.01 | +http://mono.name |
| 58 | 3 | 0.01 | 1 | 0.01 | +http://plus5files.net |
| 59 | 3 | 0.01 | 1 | 0.01 | +http://opendownload.pw |
| 60 | 2 | 0.00 | 0 | 0.00 | Macintosh PPC |
| 61 | 2 | 0.00 | 1 | 0.01 | +http://www.netseer.com/crawler.html; cr... |
| 62 | 2 | 0.00 | 2 | 0.02 | +http://fb02itsscan.fh-muenster.de |
| 63 | 2 | 0.00 | 1 | 0.01 | http://crawler.sistrix.net/ |
| 64 | 2 | 0.00 | 1 | 0.01 | iPhone |
| 65 | 2 | 0.00 | 1 | 0.01 | +info@netcraft.com |
| 66 | 2 | 0.00 | 1 | 0.01 | +http://www.grapeshot.co.uk/crawler.php |
| 67 | 1 | 0.00 | 0 | 0.00 | documents; +http://docs.google.com |
| 68 | 1 | 0.00 | 1 | 0.01 | OpenBSD [unknown version] |
| 69 | 1 | 0.00 | 0 | 0.00 | +http://www.proximic.com/info/spider.php |
| 70 | 1 | 0.00 | 1 | 0.01 | Trident/6.0; Windows 98; Zango 9.5.91; M... |
| 71 | 1 | 0.00 | 1 | 0.01 | +http://domainsigma.com/robot |
| 72 | 1 | 0.00 | 0 | 0.00 | PPC Mac OS X Mach-O |
