www.duolingo.com Website Review

www.duolingo.com - Basic Information

Domain Age:
Unknown
Archive.org First Cached:
robots.txt:
XML Sitemap:
Available
Alexa Traffic Rank:
Server:
nginx/1.4.6 (Ubuntu)
City:

www.duolingo.com - Pages Indexed

Baidu:
Bing:
Google:
Yandex:

www.duolingo.com - Site Security

McAfee SiteAdvisor:
Norton Safe Web:

www.duolingo.com - Social (SNS)

Delicious:
0
Stumbleupon:
35,934
Facebook Likes:
0
Twitter Tweets:
0
Google Plus Likes:
35,934

www.duolingo.com - Page Information

Title:
Duolingo: Learn Spanish, French and other languages for free
Length: 60 character(s); Best length: 10 ~ 60 character(s)
Meta keywords:
learn, spanish, german, french, portuguese, italian, english, free, lessons, course, language, study, flashcards
Length: 112 character(s)
Meta description:
Duolingo is the world's most popular way to learn a language. It's 100% free, fun and science-based. Practice online on duolingo.com or on the apps!
Length: 148 character(s); Best length: 50 ~ 160 character(s)
H1:
Unknown
Length: 0 character(s)
Internal links:
0 (0 nofollow)
External links:
0 (0 nofollow)

www.duolingo.com - Traffic Rank

Alexa Traffic Graphs:
Daily Global Rank Trend
(6 Months)
Daily Global Rank Trend
(2 Years)
Daily Pageview per User Daily Reach Search Visits
Daily Global Rank Trend (6 Months): www.duolingo.com Daily Global Rank Trend (2 Years): www.duolingo.com Daily Pageview per User: www.duolingo.com Daily Reach (per million): www.duolingo.com Search Visits (percent): www.duolingo.com
Daily Global Rank Trend (6 Months): www.duolingo.com
Compete Traffic Graphs: Unique Vistors:
Compete Traffic Graphs: Unique Vistors: www.duolingo.com

www.duolingo.com - Site Technology

Server:
nginx/1.4.6 (Ubuntu)
SSL Secure:
Available
robots.txt:
XML Sitemap:
Available
Gzip Compress:
Available
Favicon.ico:
Unavailable

www.duolingo.com - HTTP Header Analysis

HTTP header fields are components of the message header of requests and responses in the Hypertext Transfer Protocol (HTTP). They define the operating parameters of an HTTP transaction. The header fields are not directly displayed by normal web browsers like Internet Explorer, Google Chrome, Firefox etc. Below is the HTTP Header information of www.duolingo.com:
HTTP/1.1 200 OK
Content-Encoding: gzip
Content-Type: text/html; charset=UTF-8
Date: Sat, 20 Jun 2015 03:11:36 GMT
Expires: -1
Pragma: no-cache
Server: nginx/1.4.6 (Ubuntu)
Set-Cookie: lang=en; Domain=.duolingo.com; Max-Age=31536000; Path=/; expires=Sun, 19-Jun-2016 03:11:36 GMT
Set-Cookie: duo_ab="debf46e19fa9106e00411cc63764ed5efcbe813deyJsb2dpbl9tb2RhbF9leHBlcmltZW50IjogZmFsc2UsICJzaWdudXBfbW9kYWxfYnV0dG9uc19leHBlcmltZW50IjogdHJ1ZSwgImNvdXJzZV90aXRsZV9leHBlcmltZW50IjogdHJ1ZSwgIndlYl9zY2hvb2xzX3NwbGFzaF9leHBlcmltZW50IjogdHJ1ZSwgImNvdXJzZV9idXR0b25fZXhwZXJpbWVudDIiOiBmYWxzZSwgIndlYl9yZWdpc3Rlcl9sYW5ndWFnZV9zZWxlY3RfZXhwZXJpbWVudCI6ICJmb2xkX292ZXJmbG93In0\075"; Domain=.duolingo.com; Max-Age=31536000; Path=/; expires=Sun, 19-Jun-2016 03:11:36 GMT
Set-Cookie: wuuid=3fd30dfc-fb2c-4c35-a4c5-57c668d54812
X-RUNTIME: 0.04905
X-TID: 01420c785584d7690a21
X-WS: 10.0.1.66
Content-Length: 7575
Connection: keep-alive

www.duolingo.com - DNS Record Analysis

Domain Name Systes (DNS) translates easily memorized domain names to the numerical IP addresses needed for the purpose of locating computer services and devices worldwide. There are total 15 DNS record(s) of duolingo.com.
Host Type IP/Target TTL Extra Infomation
duolingo.comA57
duolingo.comMX297pri: 20
duolingo.comMX297pri: 30
duolingo.comMX297pri: 30
duolingo.comMX297pri: 30
duolingo.comMX297pri: 30
duolingo.comMX297pri: 20
duolingo.comMX297pri: 10
duolingo.comNS172796
duolingo.comNS172796
duolingo.comNS172796
duolingo.comNS172796
duolingo.comSOA897expire: 1209600
serial: 1
duolingo.comTXT
v=spf1 include:amazonses.com include:_spf.google.com include:mail.zendesk.com include:aspmx.pardot.com include:servers.mcsv.net ~all
297
duolingo.comTXT
google-site-verification=-gYRazZEIOhvxOdU1PoQKHnNKCzh4tLjXJasFnr0eHQ
297