| Used Operating Systems |
| 1 | 42979 | 42.07 | 4815 | 31.20 | Windows NT |
| 2 | 17396 | 17.03 | 218 | 1.41 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 14287 | 13.98 | 8506 | 55.11 | +http://www.baidu.com/search/spider.html |
| 4 | 9454 | 9.25 | 481 | 3.12 | http://www.opensiteexplorer.org/dotbot, ... |
| 5 | 7810 | 7.64 | 331 | 2.14 | +http://www.bing.com/bingbot.htm |
| 6 | 2965 | 2.90 | 327 | 2.12 | +http://www.google.com/bot.html |
| 7 | 1320 | 1.29 | 45 | 0.29 | http://help.yahoo.com/help/us/ysearch/sl... |
| 8 | 919 | 0.90 | 6 | 0.04 | +http://yandex.com/bots |
| 9 | 708 | 0.69 | 5 | 0.03 | +http://www.warebay.com/bot.html |
| 10 | 542 | 0.53 | 161 | 1.04 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 11 | 493 | 0.48 | 12 | 0.08 | +http://www.semrush.com/bot.html |
| 12 | 368 | 0.36 | 2 | 0.01 | +http://ahrefs.com/robot/ |
| 13 | 361 | 0.35 | 72 | 0.47 | +http://www.linkdex.com/bots/ |
| 14 | 333 | 0.33 | 3 | 0.02 | http://www.bing.com/bingbot.htm |
| 15 | 312 | 0.31 | 2 | 0.01 | +http://fulltext.sblog.cz/ |
| 16 | 199 | 0.19 | 0 | 0.00 | PPC Mac OS X 10.4 |
| 17 | 197 | 0.19 | 102 | 0.66 | Windows 95 |
| 18 | 180 | 0.18 | 1 | 0.01 | +http://OpenLinkProfiler.org/bot |
| 19 | 158 | 0.15 | 26 | 0.17 | Windows 98 |
| 20 | 156 | 0.15 | 34 | 0.22 | +http://duckduckgo.com |
| 21 | 128 | 0.13 | 0 | 0.00 | Android |
| 22 | 95 | 0.09 | 8 | 0.05 | +http://www.exabot.com/go/robot |
| 23 | 94 | 0.09 | 22 | 0.14 | Windows XP |
| 24 | 72 | 0.07 | 1 | 0.01 | +http://megaindex.com/crawler |
| 25 | 50 | 0.05 | 30 | 0.19 | MSIE 5.5; Windows NT 4.0 |
| 26 | 46 | 0.05 | 18 | 0.12 | Windows 3.1 |
| 27 | 46 | 0.05 | 27 | 0.17 | MSIE 5.5; Windows NT 5.0 |
| 28 | 44 | 0.04 | 27 | 0.17 | Windows CE |
| 29 | 42 | 0.04 | 2 | 0.01 | X11 |
| 30 | 37 | 0.04 | 20 | 0.13 | Windows ME |
| 31 | 33 | 0.03 | 17 | 0.11 | Windows 2000 |
| 32 | 32 | 0.03 | 1 | 0.01 | WinHttp.WinHttpRequest.5 |
| 33 | 30 | 0.03 | 28 | 0.18 | +info@netcraft.com |
| 34 | 29 | 0.03 | 20 | 0.13 | Auto; Windows |
| 35 | 28 | 0.03 | 7 | 0.05 | +http://www.profound.net/domainappender |
| 36 | 27 | 0.03 | 0 | 0.00 | +https://deusu.de/robot.html |
| 37 | 26 | 0.03 | 17 | 0.11 | ) - BrowseX (2.0.0 Windows |
| 38 | 24 | 0.02 | 3 | 0.02 | Linux i686 [unknown version] |
| 39 | 20 | 0.02 | 8 | 0.05 | +http://help.coccoc.com/ |
| 40 | 16 | 0.02 | 1 | 0.01 | +http://www.findxbot.com |
| 41 | 13 | 0.01 | 1 | 0.01 | +https://www.lipperhey.com/en/about/ |
| 42 | 12 | 0.01 | 1 | 0.01 | Android 2.3.5 |
| 43 | 11 | 0.01 | 0 | 0.00 | Macintosh |
| 44 | 8 | 0.01 | 3 | 0.02 | +http://www.scoutjet.com/ |
| 45 | 8 | 0.01 | 1 | 0.01 | +http://newsharecounts.com/crawler |
| 46 | 7 | 0.01 | 3 | 0.02 | +http://glutenfreepleasure.com/ |
| 47 | 5 | 0.00 | 3 | 0.02 | https://help.yahoo.com/kb/mail/yahoo-lin... |
| 48 | 4 | 0.00 | 1 | 0.01 | http://www.botje.com/plukkie.htm |
| 49 | 4 | 0.00 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 50 | 4 | 0.00 | 1 | 0.01 | Archive-It; +http://archive-it.org/files... |
| 51 | 4 | 0.00 | 2 | 0.01 | +http://www.grapeshot.co.uk/crawler.php |
| 52 | 3 | 0.00 | 0 | 0.00 | +http://www.netseer.com/crawler.html; cr... |
| 53 | 2 | 0.00 | 1 | 0.01 | Macintosh; Intel Mac OS X 10_7_3; Triden... |
| 54 | 2 | 0.00 | 1 | 0.01 | Linux [unknown version] |
| 55 | 2 | 0.00 | 1 | 0.01 | +https://raventools.com/seo-website-audi... |
| 56 | 2 | 0.00 | 1 | 0.01 | +http://www.openhose.org/bot.html |
| 57 | 2 | 0.00 | 1 | 0.01 | +http://crawler.seolytics.net/ |
| 58 | 2 | 0.00 | 1 | 0.01 | iOS |
| 59 | 2 | 0.00 | 0 | 0.00 | http://www.yama.info.waseda.ac.jp/~crawl... |
| 60 | 2 | 0.00 | 0 | 0.00 | +http://www.alexa.com/help/webmasters; |
| 61 | 2 | 0.00 | 0 | 0.00 | Windows 9x |
| 62 | 2 | 0.00 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 63 | 1 | 0.00 | 1 | 0.01 | OpenBSD [unknown version] |
| 64 | 1 | 0.00 | 0 | 0.00 | i686 Linux; 20020621 |
| 65 | 1 | 0.00 | 0 | 0.00 | +http://ahrfs.com/root/ |
| 66 | 1 | 0.00 | 1 | 0.01 | +http://www.parsijoo.ir/; crawler@parsij... |
| 67 | 1 | 0.00 | 1 | 0.01 | +http://www.seodiver.com/bot |
| 68 | 1 | 0.00 | 1 | 0.01 | http://nmap.org/book/nse.html |
| 69 | 1 | 0.00 | 1 | 0.01 | mailto: crawling@ubermetrics-technologie... |
| 70 | 1 | 0.00 | 0 | 0.00 | i686 Linux; 20021119 |
| 71 | 1 | 0.00 | 1 | 0.01 | Mac OS X |
