| Used Operating Systems by Visits |
| 1 | 12275 | 53.46 | 3044 | 45.53 | Windows NT |
| 2 | 2511 | 10.93 | 2074 | 31.02 | +http://www.baidu.com/search/spider.html |
| 3 | 2101 | 9.15 | 1134 | 16.96 | +http://www.easou.com/search/spider.html |
| 4 | 618 | 2.69 | 135 | 2.02 | +http://www.bing.com/bingbot.htm |
| 5 | 4138 | 18.02 | 72 | 1.08 | http://www.majestic12.co.uk/bot.php?+ |
| 6 | 296 | 1.29 | 64 | 0.96 | +http://www.google.com/bot.html |
| 7 | 49 | 0.21 | 30 | 0.45 | +http://www.exabot.com/go/robot |
| 8 | 137 | 0.60 | 24 | 0.36 | +http://yandex.com/bots |
| 9 | 54 | 0.24 | 18 | 0.27 | +http://www.linkdex.com/bots/ |
| 10 | 22 | 0.10 | 18 | 0.27 | Linux i686 [unknown version] |
| 11 | 396 | 1.72 | 13 | 0.19 | Windows 98 |
| 12 | 21 | 0.09 | 9 | 0.13 | +http://www.linkdex.com/about/bots/ |
| 13 | 9 | 0.04 | 6 | 0.09 | Linux [unknown version] |
| 14 | 5 | 0.02 | 5 | 0.07 | Windows 95 |
| 15 | 43 | 0.19 | 4 | 0.06 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 16 | 53 | 0.23 | 4 | 0.06 | X11 |
| 17 | 3 | 0.01 | 3 | 0.04 | Windows ME |
| 18 | 1 | 0.00 | 1 | 0.01 | http://www.secretsearchenginelabs.com/se... |
| 19 | 1 | 0.00 | 1 | 0.01 | http://www.lipperhey.com/ |
| 20 | 1 | 0.00 | 1 | 0.01 | Windows CE |
| 21 | 1 | 0.00 | 1 | 0.01 | Windows 2000 |
| 22 | 2 | 0.01 | 1 | 0.01 | Macintosh; Intel Mac OS X 10_7_3; Triden... |
| 23 | 1 | 0.00 | 1 | 0.01 | Intel Mac OS X 10.5 |
| 24 | 5 | 0.02 | 1 | 0.01 | J2ME/MIDP |
| 25 | 1 | 0.00 | 1 | 0.01 | BeOS |
| 26 | 1 | 0.00 | 1 | 0.01 | +http://www.aport.ru/help |
| 27 | 1 | 0.00 | 1 | 0.01 | +http://support.embed.ly/ |
| 28 | 1 | 0.00 | 1 | 0.01 | +http://bixolabs.com/crawler/ptd/; crawl... |
| 29 | 12 | 0.05 | 1 | 0.01 | +http://filterdb.iss.net/crawler/ |
| 30 | 1 | 0.00 | 1 | 0.01 | Windows 92 |
| 31 | 2 | 0.01 | 1 | 0.01 | +http://www.infohelfer.de/crawler.php |
| 32 | 1 | 0.00 | 1 | 0.01 | Windows XP |
| 33 | 1 | 0.00 | 1 | 0.01 | Windows Phone OS 7.5 |
| 34 | 2 | 0.01 | 1 | 0.01 | PPC Mac OS X Mach-O |
| 35 | 33 | 0.14 | 1 | 0.01 | Android 2.3.5 |
| 36 | 1 | 0.00 | 1 | 0.01 | FreeBSD [unknown version] |
| 37 | 2 | 0.01 | 1 | 0.01 | +info@netcraft.com |
| 38 | 1 | 0.00 | 1 | 0.01 | Website Thumbnail Generator; +http://web... |
| 39 | 1 | 0.00 | 1 | 0.01 | Syllable |
| 40 | 1 | 0.00 | 1 | 0.01 | Intel Mac OS X Mach-O |
| 41 | 2 | 0.01 | 1 | 0.01 | ActiveXperts.Http.3.1 |
| 42 | 2 | 0.01 | 1 | 0.01 | +http://www.meanpath.com/meanpathbot.htm... |
| 43 | 1 | 0.00 | 1 | 0.01 | +http://www.dnsdigger.com |
| 44 | 5 | 0.02 | 1 | 0.01 | +http://u12files.com/ |
| 45 | 1 | 0.00 | 1 | 0.01 | +http://shoulu.jike.com/spider.html |
| 46 | 1 | 0.00 | 0 | 0.00 | webcrawler at wise-guys dot nl; http://w... |
| 47 | 1 | 0.00 | 0 | 0.00 | +http://www.scoutjet.com/ |
| 48 | 3 | 0.01 | 0 | 0.00 | Linux 2.4.x |
| 49 | 1 | 0.00 | 0 | 0.00 | +http://www.cloudservermarket.com/spider... |
| 50 | 9 | 0.04 | 0 | 0.00 | +http://ahrefs.com/robot/ |
| 51 | 65 | 0.28 | 0 | 0.00 | http://www.opensiteexplorer.org/dotbot, ... |
| 52 | 1 | 0.00 | 0 | 0.00 | Linux 2.2.x |
| 53 | 1 | 0.00 | 0 | 0.00 | +http://www.parsijoo.ir/; ehsan.mousakaz... |
| 54 | 1 | 0.00 | 0 | 0.00 | +http://about.ask.com/en/docs/about/webm... |
| 55 | 1 | 0.00 | 0 | 0.00 | +http://begun.ru/begun/technology/indexe... |
| 56 | 60 | 0.26 | 0 | 0.00 | help@moz.com |
| 57 | 3 | 0.01 | 0 | 0.00 | Windows 3.1 |
