| Used Operating Systems |
| 1 | 2457 | 23.28 | 2130 | 46.09 | +http://www.baidu.com/search/spider.html |
| 2 | 1859 | 17.61 | 1172 | 25.36 | Windows NT |
| 3 | 1353 | 12.82 | 97 | 2.10 | +http://yandex.com/bots |
| 4 | 1120 | 10.61 | 250 | 5.41 | +http://www.bing.com/bingbot.htm |
| 5 | 644 | 6.10 | 167 | 3.61 | http://www.opensiteexplorer.org/dotbot, ... |
| 6 | 619 | 5.87 | 284 | 6.15 | +http://www.google.com/bot.html |
| 7 | 539 | 5.11 | 5 | 0.11 | http://crawler.007ac9.net/ |
| 8 | 348 | 3.30 | 12 | 0.26 | http://www.searchmetrics.com/en/searchme... |
| 9 | 276 | 2.62 | 2 | 0.04 | +http://OpenLinkProfiler.org/bot |
| 10 | 238 | 2.26 | 35 | 0.76 | http://www.majestic12.co.uk/bot.php?+ |
| 11 | 167 | 1.58 | 10 | 0.22 | +http://fulltext.sblog.cz/ |
| 12 | 164 | 1.55 | 63 | 1.36 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 13 | 154 | 1.46 | 113 | 2.45 | +http://www.easou.com/search/spider.html |
| 14 | 153 | 1.45 | 94 | 2.03 | +http://ahrefs.com/robot/ |
| 15 | 146 | 1.38 | 68 | 1.47 | http://help.yahoo.com/help/us/ysearch/sl... |
| 16 | 62 | 0.59 | 31 | 0.67 | +http://www.meanpath.com/meanpathbot.htm... |
| 17 | 58 | 0.55 | 2 | 0.04 | +http://filterdb.iss.net/crawler/ |
| 18 | 47 | 0.45 | 21 | 0.45 | +http://www.exabot.com/go/robot |
| 19 | 31 | 0.29 | 24 | 0.52 | +http://www.xovibot.net/ |
| 20 | 17 | 0.16 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 21 | 16 | 0.15 | 4 | 0.09 | +http://plus5files.net |
| 22 | 12 | 0.11 | 4 | 0.09 | ScoutJet; +http://blekko.com/about/blekk... |
| 23 | 8 | 0.08 | 2 | 0.04 | +http://mono.name |
| 24 | 8 | 0.08 | 2 | 0.04 | +http://getdownload.ws |
| 25 | 8 | 0.08 | 8 | 0.17 | Linux [unknown version] |
| 26 | 8 | 0.08 | 2 | 0.04 | +http://galaxydownloads.co |
| 27 | 6 | 0.06 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 28 | 4 | 0.04 | 4 | 0.09 | +http://fb02itsscan.fh-muenster.de |
| 29 | 4 | 0.04 | 2 | 0.04 | http://crawler.sistrix.net/ |
| 30 | 4 | 0.04 | 0 | 0.00 | +https://www.mojeek.com/bot.html |
| 31 | 4 | 0.04 | 3 | 0.06 | +info@netcraft.com |
| 32 | 4 | 0.04 | 1 | 0.02 | +http://r4downloads.co |
| 33 | 3 | 0.03 | 3 | 0.06 | +http://gimme60.com |
| 34 | 3 | 0.03 | 3 | 0.06 | Windows 98 |
| 35 | 3 | 0.03 | 1 | 0.02 | +http://www.profound.net/domainappender |
| 36 | 2 | 0.02 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 37 | 2 | 0.02 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 38 | 1 | 0.01 | 1 | 0.02 | Linux i686 [unknown version] |
| 39 | 1 | 0.01 | 1 | 0.02 | +http://domainsigma.com/robot |
| 40 | 1 | 0.01 | 0 | 0.00 | +http://siteexplorer.info/ |
