Duolingo.cn Web Analysis and Statistics

Website Summary

  • When was the website Duolingo.cn released?

    Duolingo.cn was registered on April 13, 2011 (13 years 8 months 24 days ago).

  • What is the traffic rank for Duolingo.cn?

    Website Duolingo.cn ranked 33,525 globally and 5,390 in China.

  • How many people visit Duolingo.cn each day?

    Duolingo.cn has about 36,000 visits and 150,000 pageviews per day.

  • How much does Duolingo.cn earn a month?

    Each month Duolingo.cn can earn $7,800 from advertising revenue.

  • How much is Duolingo.cn worth?

    Estimated value of Duolingo.cn is $190,000

  • What IP addresses does Duolingo.cn resolve to?

    Duolingo.cn resolves to the IP addresses 139.196.36.248

  • Where is Duolingo.cn server located?

    Duolingo.cn's server is located in Shanghai, Shanghai, China, 200020.

  • Who is registrar of Duolingo.cn domain?

    The duolingo.cn domain is registered and managed by 阿里云计算有限公司(万网)

Duolingo.cn's metrics:

Global traffic rank:
33,525
Traffic rank in China:
5,390
Domain authority:
20 / 100
Daily income:
$260.00
Estimated Worth:
$190,000
Facebook App ID:
234536436609303
Owner info:
北京多邻国科技有限公司 / [email protected]
Website category:
Education/Reference
Safety status:
Safe

HTML Analysis

HTML Meta tags:

Title: Duolingo

Description: 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!

Logo: duolingo.cn

HTML resources breakdown:

The homepage of duolingo.cn contains 100 resources, the total size is 1.33 MB. They are distributed as follows:

Resource type Resource count Size Percent
Document 5 9.25 KB 0.7 %
Image 28 201.40 KB 14.8 %
Font 2 82.67 KB 6.1 %
Script 26 992.72 KB 72.8 %
Stylesheet 4 26.54 KB 1.9 %
Media 0 0 0 %
Other 35 51.30 KB 3.8 %

In addition, the duolingo.cn homepage also uses 94 third-party resources, the total size is 1.32 MB.

HTTP Header:

Http-Version: 1.1
Status-Code: 200
Status: 200 OK
date: Mon, 14 Aug 2023 14:28:44 GMT
content-type: text/html; charset=UTF-8
transfer-encoding: chunked
server: duo-api
no-retry: 1
surrogate-control: no-store
expires: 0
pragma: no-cache
cache-control: no-store, no-cache, must-revalidate, proxy-revalidate
x-frame-options: SAMEORIGIN
x-tid: ffff6b8864da3943043c
x-ws: UK
x-runtime: 0.04559
content-encoding: gzip
x-envoy-upstream-service-time: 48
x-duo-request-host: www.duolingo.com

Duolingo.cn Traffic Analysis

Daily unique visitors:
36,000
Daily pageviews:
150,000
Daily pageviews per visitor:
4.2
Monthly visits:
1,080,000
Annual visits:
13,140,000

Google Lighthouse Audit

Google Lighthouse is an open-source, automated tool for measuring the quality of web pages. Google Lighthouse audits websites on two separate mobile and desktop environments. Audit results are based on scores from 1-100 and are divided into 5 parts:

  • Performance: This is the most important part, it evaluates the performance of your website. Performance based on Core Web Vitals and key parameters such as First Contentful Paint (FCP), First Input Delay (FID), Largest Contentful Paint (LCP) and Cumulative Layout Shift (CLS).
  • Accessibility: Test user accessibility to your web application.
  • Best Practices: Website Trust and Safety testing, extensions, XSS, HTTPS...
  • SEO (on page): These checks ensure that your page is following basic search engine optimization advice.
  • Progressive Web App (PWA): Check out the modern technologies used on your web app.

Here are the results of the Google Lighthouse audit for the website duolingo.cn:

On Mobile

25
Performance
77
Accessibility
83
Best Practices
90
SEO
0-49 50-89 90-100

On Desktop

70
Performance
77
Accessibility
75
Best Practices
92
SEO (on page)

Duolingo.cn SSL Certificate Information

duolingo.cn supports HTTPS with the following certificate information:

Common name: *.duolingo.cn
SANs: *.duolingo.cn, duolingo.cn
Serial Number: 5797E663D32CA7D7
Signature Algorithm: RSA-SHA256
Issuer: Go Daddy Secure Certificate Authority - G2
Fingerprint: 0efe7a5b4e874e0bae87c32cd876ed59a02a171b
FingerprintSha256: 7304640e1ee484cadbaba7979a9c0a33c00906b9a34b2394de3a800bb1b6a03c

Duolingo.cn Domain Name Information

Domain TLD:
cn
Domain Registrar:
阿里云计算有限公司(万网)
Registration Date:
April 13, 2011
Expiration Date:
April 13, 2030
Domain Age:
13 years 8 months 24 days
Domain Status:
ok

Domain Nameserver Information:

Host IP Address Country
vip3.alidns.com 170.33.80.10 🇭🇰 Hong Kong
vip4.alidns.com 140.205.1.6 🇨🇳 China

Full WHOIS Lookup:

Domain Name: duolingo.cn
ROID: 20110413s10001s60921711-cn
Domain Status: ok
Registrant: 北京多邻国科技有限公司
Registrant Contact Email: [email protected]
Sponsoring Registrar: 阿里云计算有限公司(万网)
Name Server: vip3.alidns.com
Name Server: vip4.alidns.com
Registration Time: 2011-04-13 11:27:56
Expiration Time: 2030-04-13 11:27:56
DNSSEC: unsigned

Duolingo.cn Server Information

Server IP Address:
139.196.36.248
Hosted Country:
🇨🇳 China
Latitude, longitude:
31.2243 , 121.469
Location:
Shanghai, Shanghai, China, 200020

DNS Record Analysis:

Host Type TTL Extra
duolingo.cn A 600 IP: 139.196.36.248
duolingo.cn NS 86400 Target: vip3.alidns.com
duolingo.cn NS 86400 Target: vip4.alidns.com
duolingo.cn SOA 600 MNAME: vip3.alidns.com
RNAME: hostmaster.hichina.com
Serial: 2020040915
Refresh: 3600
Retry: 1200
Expire: 86400
Minimum TTL: 360
duolingo.cn TXT 600 TXT: 4nu1e9armdgk04jsle02avc1ed

Typos of Duolingo.cn

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