| Used Operating Systems |
| 1 | 2848 | 20.71 | 1318 | 20.26 | Windows NT |
| 2 | 2150 | 15.63 | 2036 | 31.30 | +http://www.baidu.com/search/spider.html |
| 3 | 1622 | 11.79 | 333 | 5.12 | +http://www.bing.com/bingbot.htm |
| 4 | 1423 | 10.35 | 813 | 12.50 | +http://www.easou.com/search/spider.html |
| 5 | 1150 | 8.36 | 640 | 9.84 | +http://www.google.com/bot.html |
| 6 | 847 | 6.16 | 384 | 5.90 | http://help.yahoo.com/help/us/ysearch/sl... |
| 7 | 721 | 5.24 | 142 | 2.18 | +http://yandex.com/bots |
| 8 | 565 | 4.11 | 285 | 4.38 | +http://ahrefs.com/robot/ |
| 9 | 456 | 3.32 | 2 | 0.03 | +http://OpenLinkProfiler.org/bot |
| 10 | 333 | 2.42 | 140 | 2.15 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 11 | 259 | 1.88 | 1 | 0.02 | http://filterdb.iss.net/crawler/ |
| 12 | 239 | 1.74 | 35 | 0.54 | http://www.majestic12.co.uk/bot.php?+ |
| 13 | 228 | 1.66 | 75 | 1.15 | +http://www.semrush.com/bot.html |
| 14 | 157 | 1.14 | 71 | 1.09 | http://www.opensiteexplorer.org/dotbot, ... |
| 15 | 126 | 0.92 | 14 | 0.22 | http://www.searchmetrics.com/en/searchme... |
| 16 | 108 | 0.79 | 51 | 0.78 | +http://www.linkdex.com/bots/ |
| 17 | 98 | 0.71 | 35 | 0.54 | +http://siteexplorer.info/ |
| 18 | 74 | 0.54 | 22 | 0.34 | Windows 95 |
| 19 | 68 | 0.49 | 3 | 0.05 | +http://fulltext.sblog.cz/ |
| 20 | 53 | 0.39 | 15 | 0.23 | Windows 98 |
| 21 | 34 | 0.25 | 17 | 0.26 | +http://www.exabot.com/go/robot |
| 22 | 20 | 0.15 | 1 | 0.02 | Linux i686 [unknown version] |
| 23 | 18 | 0.13 | 6 | 0.09 | Windows ME |
| 24 | 18 | 0.13 | 5 | 0.08 | MSIE 5.5; Windows NT 4.0 |
| 25 | 18 | 0.13 | 9 | 0.14 | +http://www.meanpath.com/meanpathbot.htm... |
| 26 | 14 | 0.10 | 9 | 0.14 | +http://www.xovibot.net/ |
| 27 | 12 | 0.09 | 4 | 0.06 | Windows CE |
| 28 | 10 | 0.07 | 4 | 0.06 | MSIE 5.5; Windows NT 5.0 |
| 29 | 10 | 0.07 | 4 | 0.06 | ) - BrowseX (2.0.0 Windows |
| 30 | 9 | 0.07 | 3 | 0.05 | Auto; Windows |
| 31 | 8 | 0.06 | 4 | 0.06 | Windows 3.1 |
| 32 | 8 | 0.06 | 8 | 0.12 | +http://domainsigma.com/robot |
| 33 | 6 | 0.04 | 2 | 0.03 | Windows XP |
| 34 | 6 | 0.04 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 35 | 4 | 0.03 | 2 | 0.03 | Windows 2000 |
| 36 | 4 | 0.03 | 0 | 0.00 | MSIE 5.5; Windows NT 5.1 |
| 37 | 4 | 0.03 | 1 | 0.02 | +http://u2search.co |
| 38 | 4 | 0.03 | 1 | 0.02 | +http://alphaphitote.com |
| 39 | 4 | 0.03 | 1 | 0.02 | +http://r4downloads.co |
| 40 | 3 | 0.02 | 1 | 0.02 | +http://downloadmine.biz |
| 41 | 2 | 0.01 | 0 | 0.00 | Android |
| 42 | 2 | 0.01 | 2 | 0.03 | +http://fb02itsscan.fh-muenster.de |
| 43 | 2 | 0.01 | 1 | 0.02 | http://crawler.sistrix.net/ |
| 44 | 2 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 45 | 2 | 0.01 | 1 | 0.02 | +info@netcraft.com |
| 46 | 2 | 0.01 | 1 | 0.02 | support.voilabot@orange.com |
| 47 | 1 | 0.01 | 1 | 0.02 | OpenBSD [unknown version] |
| 48 | 1 | 0.01 | 1 | 0.02 | +http://gimmeUSA.com |
