Core-econ.org - SEO Checker

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Overview of the SEO Check
Meta information
100% 
Page quality
63% 
Page structure
0% 
Link structure
53% 
Server
95% 
External factors
100% 
SEO Score
Response time
1.81 s
File size
156.50 kB
Words
1257
Media files
67
Number of links
110 internal / 16 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
CORE Econ - Economics for a changing world
The length of the page title is perfect. (415 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
Accessible, relevant, real-world economics teaching, available and free to everyone.
The length of the meta description is perfect. (518 pixels out of 1000 max pixel length)
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
https://www.core-econ.org/
There is a valid canonical link specified.
Language
(Somewhat important)
Language detected in text: en
Language defined in HTML: en
Server location: United States of America
The following language is defined by HTML: en
Alternate/Hreflang Links
(Somewhat important)
The specified alternate links have no errors.
Other meta tags
(Somewhat important)
There is no rel next meta tag on this page.
There is no rel prev meta tag on this page.
Domain
(Somewhat important)
The domain is no subdomain.
The domain length is good.
The domain does not contain non-latin characters.
Page URL
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No parameters were found in the URL.
No session ID was found in the URL.
The URL does not have too many subdirectories.
Charset encoding
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The charset encoding (UTF-8) is set correctly.
Doctype
(Nice to have)
The doctype HTML 5 is set correctly.
The doctype is placed at first in the HTML code.
Favicon
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The favicon is linked correctly.

Meta tags

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Content
(Critically important)
Some words from the page title are not used within the pages content
Words from the H1 heading are not used in the page content.
This page contains 1257 words. That's ok.
32% of the text are stop words.
The page contains a listing, which indicates a good text layout.
12 paragraphs were found on this page.
No placeholders texts or images were found.
There are no duplicates on the site.
The average number of words per sentence of 18.9 words is good.
Frames
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This page does not use a frameset.
Mobile optimization
(Somewhat important)
A viewport "width=device-width, initial-scale=1.0" is provided.
At least one Apple touch icon is specified.
Bold and strong tags
(Somewhat important)
The usage of strong and bold tags is perfect. We recommend the use of up to 25 tags for this page.
Image SEO
(Somewhat important)
37 images have no alt attribute. The content of alt attributes is used by search engines.
Social Networks
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There are only a few social sharing widgets on the page. Make your website popular in social networks with social sharing widgets.
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HTTPS
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This website uses HTTPS to protect privacy and integrity of the exchanged data.
All included files are also transferred via HTTPS.

Media list

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Page structure

H1 heading
(Critically important)
Welcome to CORE Econ
The H1 heading contains the words Welcome to! Use important keywords instead.
Too many H1 headings
Headings
(Important)
Some headings occur twice on the page.
There are 72 headings on the page. The amount of headings should be in a more proper relation to the amount of text.

Heading structure

Heading levelContent
H1 Welcome to CORE Econ
H1 Video resource
H1 Video resource Duplicate text
H1 Video resource Duplicate text
H1 Video resource Duplicate text
H1 Video resource Duplicate text
H2 ebooks
H2 Complement CORE Econ with these resources
H2 Our ebooks are available on Perusall and Honor Education
H2 Honor Education
H2 Perusall
H2 Introduction to CORE Econ
H2 CORE Insights
H2 Teaching Community
H2 Who is teaching CORE Econ?
H2 Popular Resources
H2 Featured Quizzes
H2 The latest from CORE Econ
H2 Tweets
H3 The Economy 2.0: Microeconomics
H3 The Economy 2.0: Macroeconomics
H3 Experiencing Economics
H3 Doing Economics
H3 CORE Insights Duplicate text
H3 The Economy 1.0
H3 Economy, Society, and Public Policy
H3 enCOREage
H3 The Economy: A South Asian Perspective
H3 L’Économie
H3 L’Économie pour le Lycée
H3 L’economia
H3 La Economía
H3 Talous
H3 A Economia
H3 Die Wirtschaft
H3 Ekonomika, spoločnosť a verejná politika
H3 S. Bowles and S. Halliday: “Microeconomics: Competition, conflict, and coordination”
H3 S. Bowles and S. Halliday: “Microeconomics: Competition, conflict, and coordination” Duplicate text
H3 W. Carlin and D. Soskice: “Macroeconomics: Institutions, Instability, and Inequality”
H3 W. Carlin and D. Soskice: “Macroeconomics: Institutions, Instability, and Inequality” Duplicate text
H3 S. Bowles and W. Chen: “Allocation, Distribution & Policy”
H3 S. Bowles and W. Chen: “Allocation, Distribution & Policy” Duplicate text
H3 Why isn’t the whole world developed?
H3 Why isn’t the whole world developed? Duplicate text
H3 Introducing The Economy 2.0
H3 What is CORE Econ?
H3 Why CORE Econ?
H3 Does CORE Econ work?
H3 Do students like CORE Econ?
H3 Persistent racial inequality in the United States
H3 Public debt: threat or opportunity?
H3 Too big to fail: lessons from a decade of financial sector reforms
H3 A world of differences: an introduction to inequality
H3 Popular discussion
H3 Popular files
H3 The Economy 1.0 Test Bank Unit 1
H3 CORE Econ-FT teaching and learning resource
H3 The Economy 1.0 Answers to exercises Unit 8
H3 The Economy 1.0 Guide to online teaching Unit 9
H3 The capitalist revolution
H3 Supply and demand: Price taking and competitive markets
H3 Capstone: Economic inequality
H3 Capstone: Economics of the environment
H3 CORE Econ in the news
H3 Research on CORE Econ
H3 CORE Econ Blog
H3 Sign up with your email address to receive CORE Econ updates
H3 About CORE Econ
H3 ebooks Duplicate text
H3 Help and Support
H4 Course based on ESPP
H4 Theory and Applications of Economic Indices
Some internal link anchor texts are too long.
Some internal links have dynamic parameters. All internal URLs, which are not marked as nofollow, should not contain dynamic parameters.
Some anchor texts are used more than once.
The number of internal links is ok.
There are 16 external links on this page.

Found links on this page

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https://www.core-econ.org/Subdomain Home
https://www.core-econ.org/about/Subdomain About
https://www.core-econ.org/ebooks/Subdomain ebooks
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/research-on-core/Subdomain Research on CORE Econ
https://www.core-econ.org/blog/Subdomain Blog
https://www.core-econ.org/press/Subdomain CORE Econ in the news
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https://www.core-econ.org/blog/Subdomain Text duplicate Blog
https://www.core-econ.org/press/Subdomain Text duplicate CORE Econ in the news
/registerSubdomain Register
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/register/Subdomain Register for CORE Econ
https://www.core-econ.org/about/Subdomain Find out more about CORE Econ
https://www.core-econ.org/ebooksBrowse all ebooks
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/project/core-insights/Subdomain CORE Insights Free, self-contained educational resource to supplement CORE Econ’s ebooks
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/project/encoreage/Subdomain enCOREage A new intro course and ebook for 2 and 4 year institutions in the US
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/project/leconomia/Subdomain L’economia Un libro gratuito, ad accesso aperto, per corsi introduttivi di lauree triennali
/project/la-economia/Subdomain La Economía Libro de texto gratuito y de libre acceso para cursos introductorios en pregrado
/project/core-talous/Subdomain Talous Maksuton, kaikille avoin teos taloustieteen kandidaattitason johdantokursseille
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/project/core-ekonomika-spoloc...Subdomain Ekonomika, spoločnosť a verejná politika Využitie problémov politík na motiváciu výučby konceptov a metód ekonómie
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https://sites.google.com/site/...External Subdomain W. Carlin and D. Soskice: “Macroeconomics: Institutions, Instability, and Inequality” W. Carlin and D. Soskice: “Macroeconomics: Institutions, Instability, a...
/wp-content/uploads/2024/10/al...Subdomain S. Bowles and W. Chen: “Allocation, Distribution & Policy” S. Bowles and W. Chen: “Allocation, Distribution & Policy” A collection of free exercises in micro...
https://www.youtube.com/playli...External Subdomain Why isn’t the whole world developed? Why isn’t the whole world developed? Discover Economics and CAGE's video series on economic history to understand the ef...
/teaching-with-the-honor-platf...Subdomain Find out more about Honor Education
/create-your-core-course-on-pe...Subdomain Discover the benefits of Perusall
https://youtu.be/YPpDfCqONEINew window External Play in YouTube
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https://www.bilibili.com/video...New window External Subdomain Play in Bilibili
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https://www.youtube.com/watch?...New window External Subdomain Text duplicate Play in YouTube
https://www.bilibili.com/video...New window External Subdomain Text duplicate Play in Bilibili
/wp-content/uploads/2021/09/wh...Subdomain Text duplicate Download to my computer
/wp-content/uploads/2022/06/wh...Subdomain Text duplicate Read the transcript
https://www.youtube.com/watch?...New window External Subdomain Text duplicate Play in YouTube
/wp-content/uploads/2021/09/do...Subdomain Text duplicate Download to my computer
/wp-content/uploads/2022/06/do...Subdomain Text duplicate Read the transcript
https://www.youtube.com/watch?...New window External Subdomain Text duplicate Play in YouTube
https://www.bilibili.com/video...New window External Subdomain Text duplicate Play in Bilibili
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/selection/persistent-racial-i...Subdomain IMG-ALT Persistent racial inequality in the United States
/selection/persistent-racial-i...Subdomain Text duplicate Persistent racial inequality in the United States
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/selection/public-debt-threat-...Subdomain Text duplicate Public debt: threat or opportunity?
/selection/too-big-to-fail-les...Subdomain IMG-ALT Too big to fail: lessons from a decade of financial sector reforms
/selection/too-big-to-fail-les...Subdomain Text duplicate Too big to fail: lessons from a decade of financial sector reforms
/selection/a-world-of-differen...Subdomain IMG-ALT A world of differences: an introduction to inequality
/selection/a-world-of-differen...Subdomain Text duplicate A world of differences: an introduction to inequality
/teaching-community/Subdomain Visit CORE Econ's Teaching Community
/teaching-community/forum/econ...Subdomain ECONOMY, SOCIETY, AND PUBLIC POLICY
/teaching-community/forum/exer...Subdomain EXERCISES
/who-is-teaching-coreSubdomain Find out more
/who-is-teaching-coreSubdomain Text duplicate Find out more
/resources/Subdomain Sign up to access all Resources
/test-bank/the-economy/text/01...Subdomain web Test Bank The Economy 1.0 Test Bank Unit 1
/ft-teaching-learning-resource/Subdomain web Financial Times articles mapped to CORE Econ CORE Econ-FT teaching and learning resource
/wp-content/uploads/2020/04/Th...Subdomain pdf Answers to exercises The Economy 1.0 Answers to exercises Unit 8
/wp-content/uploads/2021/05/Th...Subdomain pdf Teaching The Economy 1.0 online guides The Economy 1.0 Guide to online teaching Unit 9
/quizzes/Subdomain Sign up to access all Quizzes
/quizzes/?book=1&unit=1QUIZ 0/8 The Economy 1.0 • Unit 1 The capitalist revolution
/quizzes/?book=1&unit=8QUIZ 0/11 The Economy 1.0 • Unit 8 Supply and demand: Price taking and competitive markets
/quizzes/?book=1&unit=19QUIZ 0/10 The Economy 1.0 • Unit 19 Capstone: Economic inequality
/quizzes/?book=1&unit=20QUIZ 0/11 The Economy 1.0 • Unit 20 Capstone: Economics of the environment
https://www.core-econ.org/press/Subdomain CORE Econ in the news Latest press coverage on CORE Econ
/research-on-core/Subdomain Research on CORE Econ Find out how CORE Econ features in academic research.
https://www.core-econ.org/blog/Subdomain CORE Econ Blog Latest news and blogs from the CORE Econ team
https://twitter.com/coreeconteamNew window External by @coreeconteam
https://twitter.com/coreeconteamExternal Text duplicate by @coreeconteam
https://www.core-econ.org/about/Subdomain Text duplicate About
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http://core-econ.org/the-economyNew window The Economy 2.0
https://www.core-econ.org/esppNew window Economy, Society and Public Policy
/doing-economicsNew window Doing Economics
/experiencing-economicsNew window Experiencing Economics
/insightsNew window Text duplicate CORE Insights
/contact-us/Subdomain Contact us
/terms-of-use/Subdomain Terms of use and copyright
/privacy-policy/Subdomain Privacy policy
/how-to-use-core-econs-branding/Subdomain How to use CORE Econ’s branding
https://www.core-econ.org/Subdomain Text duplicate IMG-ALT coreecon
https://www.youtube.com/c/CORE...New window External Subdomain IMG-ALT Youtube
https://twitter.com/coreeconteamNew window External IMG-ALT Twitter
https://www.facebook.com/conta...New window External Subdomain IMG-ALT Facebook
/donations-appeal/Donate to CORE Econ
/privacy-policy/Subdomain Text duplicate Privacy policy

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HTTP redirects
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This page redirects to "https://www.core-econ.org/"
HTTP header
(Important)
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This page uses GZip for compressed data transmission.
Performance
(Somewhat important)
The page response time is very slow (1.81 seconds). The response time should be less than 0.4 seconds. Slow websites are bad for search engine bots and also result in bad user experience.
The file size of the HTML document is fine (157 kB).

HTTP Response Header

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