| Used Operating Systems |
| 1 | 52510 | 63.94 | 616 | 12.06 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 6128 | 7.46 | 800 | 15.66 | Windows NT |
| 3 | 3719 | 4.53 | 1008 | 19.73 | +http://www.bing.com/bingbot.htm |
| 4 | 3386 | 4.12 | 1295 | 25.35 | +http://www.google.com/bot.html |
| 5 | 3317 | 4.04 | 4 | 0.08 | +http://megaindex.com/crawler |
| 6 | 2847 | 3.47 | 3 | 0.06 | crawler@goodzer.com |
| 7 | 2489 | 3.03 | 0 | 0.00 | +http://www.baidu.com/search/spider.html |
| 8 | 1758 | 2.14 | 18 | 0.35 | +http://OpenLinkProfiler.org/bot |
| 9 | 1118 | 1.36 | 257 | 5.03 | +http://yandex.com/bots |
| 10 | 948 | 1.15 | 367 | 7.18 | http://help.yahoo.com/help/us/ysearch/sl... |
| 11 | 590 | 0.72 | 172 | 3.37 | http://www.opensiteexplorer.org/dotbot, ... |
| 12 | 555 | 0.68 | 14 | 0.27 | +http://ahrefs.com/robot/ |
| 13 | 550 | 0.67 | 88 | 1.72 | +http://www.semrush.com/bot.html |
| 14 | 522 | 0.64 | 7 | 0.14 | Linux [unknown version] |
| 15 | 242 | 0.29 | 65 | 1.27 | +http://www.linkdex.com/bots/ |
| 16 | 160 | 0.19 | 34 | 0.67 | Windows XP |
| 17 | 149 | 0.18 | 121 | 2.37 | +http://www.xovibot.net/ |
| 18 | 146 | 0.18 | 9 | 0.18 | +https://www.aihitdata.com/about |
| 19 | 141 | 0.17 | 3 | 0.06 | http://www.searchmetrics.com/en/searchme... |
| 20 | 138 | 0.17 | 28 | 0.55 | Windows 95 |
| 21 | 106 | 0.13 | 2 | 0.04 | Windows 93 |
| 22 | 100 | 0.12 | 41 | 0.80 | +http://duckduckgo.com |
| 23 | 80 | 0.10 | 12 | 0.23 | Windows 98 |
| 24 | 57 | 0.07 | 5 | 0.10 | +http://fulltext.sblog.cz/ |
| 25 | 49 | 0.06 | 7 | 0.14 | http://filterdb.iss.net/crawler/ |
| 26 | 42 | 0.05 | 21 | 0.41 | +http://www.meanpath.com/meanpathbot.htm... |
| 27 | 37 | 0.05 | 21 | 0.41 | +http://www.exabot.com/go/robot |
| 28 | 35 | 0.04 | 13 | 0.25 | Windows CE |
| 29 | 25 | 0.03 | 8 | 0.16 | Windows 3.1 |
| 30 | 22 | 0.03 | 5 | 0.10 | MSIE 5.5; Windows NT 5.0 |
| 31 | 18 | 0.02 | 6 | 0.12 | Windows 2000 |
| 32 | 17 | 0.02 | 7 | 0.14 | Auto; Windows |
| 33 | 17 | 0.02 | 2 | 0.04 | Windows ME |
| 34 | 17 | 0.02 | 15 | 0.29 | +http://domainsigma.com/robot |
| 35 | 15 | 0.02 | 1 | 0.02 | MSIE 5.5; Windows NT 4.0 |
| 36 | 14 | 0.02 | 0 | 0.00 | ) - BrowseX (2.0.0 Windows |
| 37 | 10 | 0.01 | 7 | 0.14 | +info@netcraft.com |
| 38 | 10 | 0.01 | 5 | 0.10 | +http://www.grapeshot.co.uk/crawler.php |
| 39 | 8 | 0.01 | 6 | 0.12 | apps-spreadsheets; +http://docs.google.c... |
| 40 | 5 | 0.01 | 3 | 0.06 | Linux i686 [unknown version] |
| 41 | 4 | 0.00 | 0 | 0.00 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 42 | 4 | 0.00 | 0 | 0.00 | J2ME/MIDP |
| 43 | 4 | 0.00 | 2 | 0.04 | +http://crawler.seolytics.net/ |
| 44 | 4 | 0.00 | 4 | 0.08 | +http://www.domaintuno.com/robot |
| 45 | 2 | 0.00 | 2 | 0.04 | crawler@mixrank.com |
| 46 | 2 | 0.00 | 2 | 0.04 | +http://www.webcorp.org.uk |
| 47 | 2 | 0.00 | 2 | 0.04 | https://help.yahoo.com/kb/mail/yahoo-lin... |
| 48 | 2 | 0.00 | 1 | 0.02 | Linux i586 [unknown version] |
| 49 | 2 | 0.00 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 50 | 1 | 0.00 | 0 | 0.00 | Android 2.3.5 |
