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多邻国: 免费学习英语、西班牙语等多种语è ...
www.duolingo.cn/
多邻国是世界上最受欢迎的语言学习平台。免费、有趣、科学。现在就登录 duolingo.com æˆ–æ‰‹æœºåº”ç”¨å¼€å§‹å­¦ä¹ å§ï¼ ...

Duolingo.cn

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Conversion Technology Metas Server
Duolingo.cn is hosted in United States / Ashburn . Duolingo.cn uses HTTPS protocol. Number of used technologies: 4. First technologies: CSS, Html, Html5, Number of used javascripts: 3. First javascripts: D4d55067fd8451de4b9e-vendor.js, D4d55067fd8451d...uolingo.js, Zs-736fe83bcd27...792a051.js, Number of used analytics tools: 0. Its server type is: nginx/1.4.6 (Ubuntu).

Technologies in use by Duolingo.cn

Technology

Number of occurences: 4
  • CSS
  • Html
  • Html5
  • Javascript

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Javascripts

Number of occurences: 3
  • d4d55067fd8451de4b9e-vendor.js
  • d4d55067fd8451de4b9e-duolingo.js
  • zs-736fe83bcd272f86c88d8e8f5792a051.js

Server Type

  • nginx/1.4.6 (Ubuntu)

CDN

Number of occurences: 1
  • CloudFront

Conversion rate optimization
visitors Clickable call number Not founded!
visitors Conversion form (contact form, subcriber) Not founded!
visitors Clickable email Not founded!
visitors CTA (call to action) button Not founded!
visitors List Not founded!
visitors Image Not founded!
visitors Enhancement Not founded!
visitors Responsive website Founded!
visitors Facebook sharing Not founded!
visitors Google+ sharing Not founded!
visitors Twitter sharing Not founded!
visitors Linkedin sharing Not founded!
visitors Blog on the webiste Not founded!

HTTPS (SSL) - Duolingo.cn

SSL certificate

    • name: /OU=Domain Control Validated/CN=*.duolingo.com
    • subject:
      • OU: Domain Control Validated
      • CN: *.duolingo.com
    • hash: 0ac1262f
    • issuer:
      • C: US
      • ST: Arizona
      • L: Scottsdale
      • O: GoDaddy.com, Inc.
      • OU: http://certs.godaddy.com/repository/
      • CN: Go Daddy Secure Certificate Authority - G2
    • version: 2
    • serialNumber: 1326135178864400794
    • validFrom: 150202190139Z
    • validTo: 170205214435Z
    • validFrom_time_t: 1422903699
    • validTo_time_t: 1486331075
    • extensions:
      • basicConstraints: CA:FALSE
      • extendedKeyUsage: TLS Web Server Authentication, TLS Web Client Authentication
      • keyUsage: Digital Signature, Key Encipherment
      • crlDistributionPoints: Full Name: URI:http://crl.godaddy.com/gdig2s1-87.crl
      • certificatePolicies: Policy: 2.16.840.1.114413.1.7.23.1 CPS: http://certificates.godaddy.com/repository/
      • authorityInfoAccess: OCSP - URI:http://ocsp.godaddy.com/ CA Issuers - URI:http://certificates.godaddy.com/repository/gdig2.crt
      • authorityKeyIdentifier: keyid:40:C2:BD:27:8E:CC:34:83:30:A2:33:D7:FB:6C:B3:F0:B4:2C:80:CE
      • subjectAltName: DNS:*.duolingo.com, DNS:duolingo.com
      • subjectKeyIdentifier: 5B:8B:91:2C:19:52:4D:6B:16:B8:0E:DD:25:01:66:30:CE:56:86:53

Meta - Duolingo.cn

Number of occurences: 12
  • Name:
    Content: 做趣味游戏，学各国语言。免费、有趣、超有效。
  • Name: viewport
    Content: width=device-width, initial-scale=1.0
  • Name: robots
    Content: NOODP
  • Name: description
    Content: 多邻国是世界上最受欢迎的语言学习平台。免费、有趣、科学。现在就登录 duolingo.com 或手机应用开始学习吧！
  • Name: keywords
    Content: 学习，英语，法语，德语，西班牙语，葡萄牙语，意大利语，免费，单元，课程，语言，学习，背单词
  • Name: google-site-verification
    Content: nWyTCDRw4VJS_b6YSRZiFmmj56EawZpZMhHtKXt7lkU
  • Name: apple-itunes-app
    Content: app-id=570060128
  • Name: twitter:card
    Content: summary
  • Name: twitter:site
    Content: @duolingo
  • Name: twitter:title
    Content: Duolingo - 学习语言，永远免费 @duolingo
  • Name: twitter:description
    Content: 做趣味游戏，学各国语言。免费、有趣、超有效。
  • Name: twitter:image
    Content: https://www.duolingo.com/images/facebook/duo200.png

Server / Hosting

  • IP: 52.73.172.95
  • Latitude: 39.05
  • Longitude: -77.47
  • Country: United States
  • City: Ashburn

Rname

  • dns7.hichina.com
  • dns8.hichina.com

Target

  • hostmaster.hichina.com

HTTP Header Response

HTTP/1.1 301 Moved Permanently Server: nginx/1.4.6 (Ubuntu) Date: Fri, 13 May 2016 22:53:59 GMT Content-Type: text/html Content-Length: 193 Location: http://www.duolingo.cn X-Cache: MISS from s_hk1 X-Cache-Lookup: MISS from s_hk1:80 Via: 1.1 s_hk1 (squid/3.5.9) Connection: keep-alive HTTP/1.1 200 OK Content-Length: 47563 Content-Type: text/html; charset=UTF-8 Date: Fri, 13 May 2016 22:54:00 GMT Expires: -1 Pragma: no-cache Server: nginx/1.4.6 (Ubuntu) Set-Cookie: lang=zs; Max-Age=31536000; Path=/; expires=Sat, 13-May-2017 22:54:00 GMT Set-Cookie: duo_ab=4a806bb07881ff737a5b189c434a5c9f5bb21da0eyJ3ZWJfbmV3X2NvdXJzZV9wYWdlX2V4cGVyaW1lbnQiOiBmYWxzZSwgIndlYl9icmFuZGVkX21vYmlsZV9idXR0b25zX3Rlc3QiOiB0cnVlLCAic2lnbnVwX21vZGFsX2J1dHRvbnNfZXhwZXJpbWVudCI6IGZhbHNlLCAibG9naW5fbW9kYWxfZXhwZXJpbWVudCI6IGZhbHNlfQ==; Max-Age=31536000; Path=/; expires=Sat, 13-May-2017 22:54:00 GMT Set-Cookie: wuuid=f3f1b44a-8cb7-4aa3-b6cc-00c9a012ea5e X-IPCountry: RU X-RUNTIME: 0.08238 X-TID: 015335ec57365a40027d X-WS: 10.0.1.83 X-Cache: MISS from s_hk1 X-Cache-Lookup: MISS from s_hk1:80 Via: 1.1 s_hk1 (squid/3.5.9) Connection: keep-alive

DNS

host: duolingo.cn
  1. class: IN
  2. ttl: 600
  3. type: A
  4. ip: 54.165.40.136
host: duolingo.cn
  1. class: IN
  2. ttl: 600
  3. type: A
  4. ip: 184.72.124.184
host: duolingo.cn
  1. class: IN
  2. ttl: 86400
  3. type: NS
  4. target: dns7.hichina.com
host: duolingo.cn
  1. class: IN
  2. ttl: 86400
  3. type: NS
  4. target: dns8.hichina.com
host: duolingo.cn
  1. class: IN
  2. ttl: 600
  3. type: SOA
  4. mname: dns7.hichina.com
  5. rname: hostmaster.hichina.com
  6. serial: 1
  7. refresh: 3600
  8. retry: 1200
  9. expire: 3600
  10. minimum-ttl: 600

Common Typos/Mistakes

This list shows You some spelling mistakes at internet search for this domain.

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