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Whois & Analysis for coursera.org

Dec 14, 2019 8:19 pm UTC

DOMAIN OWNER WHOIS

The owner has chosen to keep his whois contact information private.
Desktop screen Desktop screenshot for coursera.org
79

9 criteria passed
2 criteria to solve

PERFORMANCE OPPORTUNITIES

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OVERVIEW

• Domain Owner
Private
• Category
Education  >  Distance Learning
• Online since
January 12, 2012 Explore Wayback Machine
• Age
12 years, 9 months, 27 days
• Alexa Rank
#537, coursera.org is in the world's top 1.000 websites!

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TECHNICAL SEO & SECURITY

SSL Certificate
This website is not SSL secured (HTTPS), the certificate issued by Amazon has expired on November 16, 2020.
Title Tag
Coursera | Online Courses & Credentials by Top Educators. Join for Free
Length: 75 (recommended: 10 to 70)
Meta Description
Learn online and earn credentials from top universities like Yale, Michigan, Stanford, and leading companies like Google and IBM. Join Coursera for free and transform your career with degrees, certificates, Specializations, & MOOCs in data science, computer science, business, and dozens of other topics.
Length: 312 (recommended: 50 to 160)
Google preview
Desktop Version

Coursera | Online Courses & Credentials by Top Educators. Join for...

https://coursera.org

Learn online and earn credentials from top universities like Yale, Michigan, Stanford, and leading companies like Google and IBM. Join Coursera for free and transfor...

Mobile Version

https://coursera.org

Coursera | Online Courses & Credentials by Top Educators. Join for...

Learn online and earn credentials from top universities like Yale, Michigan, Stanford, and leading companies like Google and IBM....

Encoding
Great, language/character encoding is specified: utf-8
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 Parameters
Great, the domain URLs look clean.
Attribute Value
viewport width=device-width, initial-scale=1

SEMANTIC ANALYSIS

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

They are the main concepts covered by coursera.org.

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

Topics
Coursera Confidence: 89% Arrow up

Coursera is a venture-backed, education-focused technology company founded by Stanford professors Andrew Ng and Daphne Koller that offers online courses and is based in Mountain View, CA.

Coursera works with universities and other organizations to offer online courses, specializations, and degrees in a variety of subjects, such as engineering, humanities, medicine, biology, social sciences, mathematics, business, computer science, digital marketing, data science, and others.

As of February 2017, Coursera had more than 24 million registered users and more than 2,000 courses.

IBM Confidence: 83% Arrow up

International Business Machines Corporation (commonly referred to as IBM) is an American multinational technology company headquartered in Armonk, New York, United States, with operations in over 170 countries.

The company originated in 1911 as the Computing-Tabulating-Recording Company (CTR) and was renamed "International Business Machines" in 1924.

Yale, Michigan Confidence: 82% Arrow up

Yale is a city in St. Clair County in the U.S. state of Michigan.

The population was 1,955 at the 2010 census.

Yale is considered unofficially as the Bologna Capital of the world, in part due to its Yale Bologna Festival, which began in 1989.

Yale bologna is sold in grocery stores throughout the area.

Yale is also home to the Yale Airport.

Computer science Confidence: 80% Arrow up

Computer science deals with the theoretical foundations of information and computation, together with practical techniques for the implementation and application of these foundations.

Data science Confidence: 74% Arrow up

Data science, also known as data-driven science, is an interdisciplinary field about scientific methods, processes and systems to extract knowledge or insights from data in various forms, either structured or unstructured, similar to Knowledge Discovery in Databases (KDD).

WEBSITE SPEED

coursera.org website speed is normal. Page speed is important for visitors and search engines.

Get insights to improve your page loading time.

Page Loading Time

2.8s

This domain loads at the median speed of 2.8 seconds.

Speed Percentile

25%

coursera.org is faster than approximately 25 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 #537 by Alexa.

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

Daily visitors by country

  • coursera.org daily visitors distribution - Total: 20 countries
  • Flag for IndiaIndia (19.9%)
  • Flag for United States of AmericaUnited States of America (19.0%)
  • Flag for NigeriaNigeria (3.0%)
  • Flaf icon for other countryOthers (58.1%)

Traffic country ranks

Country Rank
Flag for IndiaIndia #248
Flag for KuwaitKuwait #226
Flag for EgyptEgypt #258
Flag for SingaporeSingapore #342
Flag for TurkeyTurkey #1.186

LAYOUT

Doctype HTML5 Arrow Responsive website, mobile-friendly. Arrow

Mobile Rendering

This website seems to be optimized for Mobile Visitors.

Phone
How coursera.org looks like on a mobile device such as an iPhone.

Tablet
How coursera.org looks like on a tablet such as an iPad.

Main colors used

These are the main HTML color codes used by this website. Arrow
  • 38% #f0f0f0
  • 29% #ffffff
  • 4% #404050
  • 3% #302020
  • 3% #303040
  • 2% #505070
  • 2% #5090c0
  • 1% #705060
  • 1% #fffff0
  • 1% #604040
  • 1% #f0ffff
  • 1% #c0e0f0

Text/code ratio

coursera.org's text/code ratio is 0.81%. 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 0.81%

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> 3
  • <H2> 6
  • <H3> 9
  • <H4> 0
  • <H5> 4
  • <H6> 0
<H1>
Top level heading
Your course to success
Coursera for business
Online learning programs
<H2>
2nd level heading
Join 1,700 companies using coursera to upskill their employees
Top online courses
Top online specializations
Online professional certificates
Online mastertrack™ certificates
<H3>
3rd level heading
World-class training to upskill your team or entire company
Develop leadership abilities with macquarie's global mba
Own your digital transformation skills strategy
New! tensorflow: data and deployment specialization
How ıt works
<H5>
5th level heading
Coursera
Community
More
Mobile app
Alt attributes Arrow up

We found 23 images on this website.
6 ALT attributes are missing on your image tags.

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 6 images on coursera.org. 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 1.005.304
  • Likes 381.395
  • Shares 391.941
  • Comments 231.968

DOMAIN REGISTRAR

Domain Registrar GODADDY.COM, LLC
Registration Date 01/12/2012 12 years, 9 months, 27 days ago
Last Modified 07/02/2013 11 years, 4 months, 5 days ago
Nameservers Arrow up
Host IP Address Country
ns-1481.awsdns-57.org 205.251.197.201 Flag for United StatesUnited States
ns-1590.awsdns-06.co.uk 205.251.198.54 Flag for United StatesUnited States
ns-258.awsdns-32.com 205.251.193.2 Flag for United StatesUnited States

SERVER DETAILS

Server map
  • Service Provider (ISP)
  • Amazon.com
  • IP Address
  • 143.204.229.90
  • Country
  • Flag for FranceFrance
  • Region
  • Île-de-France , Paris
  • Latitude and Longitude
  • 48.8566 : 2.35222
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