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Whois & Analysis for duolingo.com

Nov 8, 2019 11:34 pm UTC

DOMAIN OWNER WHOIS

ⓘ The owner has chosen to keep his whois contact information private.
• Contact Name
On behalf of duolingo.com owner
• Organization
Whois Privacy Service
• Address
P.O. Box 81226
• City
Seattle
• Zip Code
98108-1226
• State
WA
• Country Code
US
• Phone Number
Show phone
• Email
Show email
• Domain Registrar
Amazon Registrar, Inc.
See Domain Dates and Nameservers
See Server Details
Desktop screen Desktop screenshot for duolingo.com

SEO SCORE

duolingo.com
Make your link ↑ do-follow
90

✅ 10 criteria passed
❌ 1 criteria to solve

PERFORMANCE OPPORTUNITIES

Fill the missing alt attributes on your images.
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OVERVIEW

• Domain Owner
Private
• Category
Education  >  Language Learning
• Online since
January 26, 2010 Explore Wayback Machine
• Age
14 years, 2 months, 29 days
• Alexa Rank
#544, duolingo.com is in the world's top 1.000 websites!

FREE FORM BUILDER

Representation of an online Form

Use our free online form builder to create any type of form for duolingo.com.

Beauty and simplicity.

Use templates. No coding. Embed anywhere. Get emails. Collect data.


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TECHNICAL SEO & SECURITY

❌ SSL Certificate
This website is not SSL secured (HTTPS), the certificate issued by GoDaddy.com, Inc. has expired on January 18, 2021.
✅ Title Tag
Duolingo - The world's best way to learn a language
Length: 51 (recommended: 10 to 70)
✅ Meta Description
With our free mobile app or web and a few minutes a day, everyone can Duolingo. Learn 30+ languages online with bite-size lessons based on science.
Length: 147 (recommended: 50 to 160)
ⓘ Google preview
Desktop Version

Duolingo - The world's best way to learn a language

https://duolingo.com

With our free mobile app or web and a few minutes a day, everyone can Duolingo. Learn 30+ languages online with bite-size lessons based on science.

Mobile Version

https://duolingo.com

Duolingo - The world's best way to learn a language

With our free mobile app or web and a few minutes a day, everyone can Duolingo. Learn 30+ languages online with bite-size lessons...

✅ Encoding
Great, language/character encoding is specified: utf-8
ⓘ Hreflang Tags
Alternate URL Hreflang
https://ar.duolingo.com/ ar
https://cs.duolingo.com/ cs
https://de.duolingo.com/ de
https://el.duolingo.com/ el
https://www.duolingo.com/ en
SEE MORE
✅ URL Resolve

Great, a redirect is in place to redirect traffic from your non-preferred domain. All versions of your page point to the same URL.

URL Resolved URL
http://duolingo.com https://www.duolingo.com/
https://duolingo.com https://www.duolingo.com/
http://www.duolingo.com https://www.duolingo.com/
https://www.duolingo.com https://www.duolingo.com/
✅ Robots.txt
https://www.duolingo.com/robots.txt
✅ URL Parameters
Great, the domain URLs look clean.
Attribute Value
ⓘ viewport width=device-width,initial-scale=1,user-scalable=no
ⓘ robots NOODP

SEMANTIC ANALYSIS

ⓘ The owner has associated the following topics to the website.

ⓘ The results of our semantic analysis are shown below using the website's language.

They are the main concepts covered by duolingo.com.

Each concept has a confidence score. The higher it is, the more important the topic is relative to the page.

Topics
Duolingo Confidence: 89% Arrow up

Duolingo is a free language-learning platform that includes a language-learning website and app, as well as a digital language proficiency assessment exam.

Duolingo offers all its language courses free of charge.

As of November 2016, the language-learning website and app offer 68 different language courses across 23 languages, with 22 additional courses in development.

The app is available on iOS, Android and Windows 8 and 10 platforms with about 150 million registered users across the world.
Mobile app Confidence: 79% Arrow up

A mobile application software or mobile app is an application software designed to run on mobile devices such as smartphones and tablet computers.

Most such devices are sold with several apps bundled as pre-installed software, such as a web browser, email client, calendar, mapping program, and an app for buying music or other media or more apps.

Some pre-installed apps can be removed by an ordinary uninstall process, thus leaving more storage space for desired ones.

Where the software does not allow this, some devices can be rooted to eliminate the undesired apps.
World Wide Web Confidence: 64% Arrow
Science Confidence: 61% Arrow

WEBSITE SPEED

✅ duolingo.com website speed is fast. Page speed is important for visitors and search engines.

Get insights to improve your page loading time.

Page Loading Time

2.3s

This domain loads at the median speed of 2.3 seconds.

Speed Percentile

35%

duolingo.com is faster than approximately 35 percent of the web. Your website page speed needs to be as fast as you can make it, without compromising the customer experience.

A good goal to achieve is a loading time of 2 seconds on desktop and mobile devices.

PAGESPEED INSIGHTS

Page on which speed is tested live:

Chrome User Experience Report Results

Lighthouse Results

TRAFFIC

ⓘ This website is ranked #544 by Alexa.

This rank is traffic based. The lower the rank is, the better the domain is ranked.

Daily visitors by country

  • duolingo.com daily visitors distribution - Total: 20 countries
  • Flag for SpainSpain (5.4%)
  • Flag for United States of AmericaUnited States of America (28.3%)
  • Flag for United Kingdom of Great Britain and Northern IrelandUnited Kingdom of Great Britain and Northern Ireland (5.4%)
  • Flag for FranceFrance (4.2%)
  • Flaf icon for other countryOthers (56.7%)

Traffic country ranks

Country Rank
Flag for AngolaAngola #745
Flag for Viet NamViet Nam #469
Flag for IndiaIndia #2.444
Flag for EgyptEgypt #1.032
Flag for AustriaAustria #772
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LAYOUT

ⓘ Doctype HTML5 Arrow ⓘ Responsive website, mobile-friendly. Arrow

Mobile Rendering

This website seems to be optimized for Mobile Visitors.

Phone
How duolingo.com looks like on a mobile device such as an iPhone.

Tablet
How duolingo.com looks like on a tablet such as an iPad.

Main colors used

ⓘ These are the main HTML color codes used by this website. Arrow
  • 92% #205090
  • 2% #90e0ff
  • 1% #70c010
  • 1% #70c000
  • 1% #90e0f0
  • 1% #4070a0
  • 0% #6090c0
  • 0% #5080b0
  • 0% #408050
  • 0% #90e0b0
  • 0% #80a0c0
  • 0% #80d070

Text/code ratio

ⓘ duolingo.com's text/code ratio is 9.65%. It's a bit low. Consider raising it by adding more text content of value for your visitors, or keeping your code clean.
Text / Code Ratio 9.65%

A good text to HTML ratio is anywhere from 25 to 70%.

This percentage refers to the visible text ratio, as opposed to HTML elements, image tags and other non-visible information.

Main HTML tags

✅ Headings Arrow up

Great, we found headings on this page.

  • <H1> 2
  • <H2> 5
  • <H3> 4
  • <H4> 0
  • <H5> 0
  • <H6> 0
<H1>
Top level heading
Learn a language for free. forever.
Learn a language with duolingo.
<H2>
2nd level heading
The best new way to learn a language.
Gamification poured into every lesson.
Boost your learning with duolingo plus
Learn anytime, anywhere.
Duolingo for schools
<H3>
3rd level heading
Personalized learning
Receive immediate grading
Stay motivated with rewards
ımprove quickly
❌ Alt attributes Arrow up

We found 3 images on this website.
1 ALT attributes are missing on your image tags.

Image Image URL Occurrences
Image with missing alt attribute found on duolingo.com https://www.facebook.com/tr?id=1735692093320310&ev=PageView&noscript=1 1

Alternative text allows you to add a description to an image.

Google rely on alternative text attributes to determine relevance to a search query. Alternative text also makes an image more likely to appear in a Google image search.

It looks like you're missing alternative text for 1 images on duolingo.com. Check your website to make sure it's specified for each image on the page.

SOCIAL MEDIA PRESENCE

✅ This is an overview of your homepage shares on social networks.

Congratulations, your website is highly shared on social media! It's an excellent signal for your overall SEO strategy.

  • Facebook iconFacebook
  • Total Engagement 515.653
  • Likes 204.114
  • Shares 170.775
  • Comments 140.764

DOMAIN REGISTRAR

ⓘ Domain Registrar AMAZON REGISTRAR, INC.
ⓘ Registration Date 01/26/2010 14 years, 2 months, 29 days ago
ⓘ Last Modified 07/28/2017 6 years, 9 months, 1 day ago
ⓘ Expiration Date 01/26/2020 Expired
Nameservers Arrow up
Host IP Address Country
ns-1020.awsdns-63.net 205.251.195.252 Flag for United StatesUnited States
ns-1117.awsdns-11.org 205.251.196.93 Flag for United StatesUnited States
ns-1904.awsdns-46.co.uk 205.251.199.112 Flag for United StatesUnited States
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SERVER DETAILS

Server map
  • ⓘ Service Provider (ISP)
  • Amazon.com, Inc.
  • ⓘ IP Address
  • 184.72.124.184
  • ⓘ Country
  • Flag for United StatesUnited States
  • ⓘ Region
  • Virginia , Ashburn
  • ⓘ Latitude and Longitude
  • 39.0438 : -77.4874
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