Iea.nl - SEO Checker

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Overview of the SEO Check
Meta information
67% 
Page quality
84% 
Page structure
93% 
Link structure
72% 
Server
100% 
External factors
100% 
SEO Score
Response time
0.13 s
File size
57.60 kB
Words
829
Media files
18
Number of links
161 internal / 8 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
About IEA | IEA.nl
The page title is too short. (160 pixels of 580 max pixel length) Optimize title
There are word repetitions in the page title.
Meta description
(Critically important)
The meta description is missing.
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
https://www.iea.nl/node/1580
The specified canonical link points to a different page.
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
(Somewhat important)
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
(Somewhat important)
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
(Nice to have)
The favicon is linked correctly.

Meta tags

NameValue
GeneratorDrupal 10 (https://www.drupal.org)
MobileOptimizedwidth
HandheldFriendlytrue
viewportwidth=device-width, initial-scale=1.0
langen
charsetutf-8

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Page quality

Content
(Critically important)
The average number of words per sentence of 25.56 words is high.
This page contains 829 words. That's ok.
22.8% of the text are stop words.
The page contains a listing, which indicates a good text layout.
13 paragraphs were found on this page.
The text content is perfect.
No placeholders texts or images were found.
There are no duplicates on the site.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
No Apple touch icon is specified.
A viewport "width=device-width, initial-scale=1.0" is provided.
Bold and strong tags
(Somewhat important)
The usage of strong and bold tags is perfect. We recommend the use of up to 17 tags for this page.
Image SEO
(Somewhat important)
8 images have no alt attribute. The content of alt attributes is used by search engines.
Social Networks
(Nice to have)
There are only a few social sharing widgets on the page. Make your website popular in social networks with social sharing widgets.
Additional markup
(Nice to have)
No additional page markup was found.
HTTPS
(Somewhat important)
This website uses HTTPS to protect privacy and integrity of the exchanged data.
All included files are also transferred via HTTPS.

Media list

URLAlt attributeTitle
/themes/iea2018/images/Logo-IEA3.pngIEA
.../files/2025-02/LaNA_website banner 2.jpgNo alt attribute provided
...es/iea2018/images/Study_Center_Logo1.pngIEA Study Centers
...2018/images/logos2025/ICCS-logo-2025.svgIEA Study Centers
...018/images/logos2025/ICILS-logo-2025.svgIEA Study Centers
.../IEA-Updates-March2025.jpg?itok=GOJ7jawGNo alt attribute provided
...shot 2025-02-12 093100.jpg?itok=MUiLxulLNo alt attribute provided
...nvironmental Awareness.jpg?itok=peHAvFsrNo alt attribute provided
...blic/T23_Results_Cover.png?itok=1tIYR0oWNo alt attribute provided
...nal-report-cover-front.jpg?itok=WcQ2FoNoNo alt attribute provided
...Awardees_Teaser_Teaser.jpg?itok=ucJOCmSaNo alt attribute provided
...25-02/ICILS IDB Teaser.jpg?itok=l0lQ_t7DNo alt attribute provided
...25-02/TIMSS IDB_Teaser.jpg?itok=5li2SJdhTIMSS 2023 logo on the TIMSS primary color background
/themes/iea2018/images/logo-footer.pngIEA
/themes/iea2018/Icons/twitter.svgTwitter
/themes/iea2018/Icons/facebook.svgFacebook
/themes/iea2018/Icons/linkedin.svgLinkedin
/themes/iea2018/Icons/youtube.svgYoutube

Page structure

H1 heading
(Critically important)
About IEA
The H1 heading is too short (9 characters). It should be at least 20 Characters long.
Headings
(Important)
The heading structure is perfect.

Heading structure

Heading levelContent
H1 About IEA
H2 Publications
H2 Language switcher
H2 News & Events
H2 IEA’s Research and Development Call 4 Awardees
H2 Released: ICILS 2023 International Database
H2 TIMSS 2023 International Database Available
H2 User account menu
H3 IEA Studies
H4 IEA Updates March 2025
H4 LaNA 2023 Linking Study Results
H4 Knowledge and Willingness to Act Pro-Environmentally
H4 TIMSS 2023 International Results in Mathematics and Science
H4 ICILS 2023 International Report: An International Perspective on Digital Literacy
Some anchor texts are used more than once.
7 links don't have an anchor text.
There are 3 links with a trivial anchor text.
The number of internal links is ok.
None of the anchor texts is too long.
All internal links are not using dynamic parameters.
There are 8 external links on this page.

Found links on this page

LinkAttributesAnchor text
https://www.iea.nl/Anchor Skip to main content
https://www.iea.nl/ar/introعربى
https://www.iea.nl/es/introES
https://www.iea.nl/fr/introFR
/about/opportunities/join-usJOIN US
https://www.iea.nl/node/29CONTACT
https://www.iea.nl/IMG-ALT IEA
https://www.iea.nl/studiesStudies
/studies/ieastudiesIEA Studies
/studies/iea/timssTIMSS
A-TITLE Trends in International Mathematics and Science Study
/studies/iea/pirlsPIRLS
A-TITLE Progress in International Reading Literacy Study
/studies/iea/iccsICCS
A-TITLE International Civic and Citizenship Study
/studies/iea/icilsICILS
A-TITLE International Computer and Information Literacy Study
/studies/iea/REDSREDS
/studies/iea/LaNALaNA
/studies/iea/otherOther IEA studies
/studies/iea/earlierEarly IEA Studies
/studies/germanyStudies in Germany
/studies/germany/startchancen-...Evaluation Startchancen-Programm
/studies/germany/IGLUIGLU Germany
/studies/germany/monitoringedu...Monitoring Educational Standards
/studies/iea/nepsNEPS
A-TITLE National Educational Panel Study
https://www.iea.nl/node/4326PerFair
/studies/germany/PISAPISA Germany
/studies/germany/TALIS-startin...TALIS Starting Strong Germany
https://www.iea.nl/node/4328TIMSS Germany
https://www.iea.nl/node/4327TOSCAneo
/studies/germanyOther Studies in Germany
/studies/additionalstudiesAdditional Studies
/studies/additional/IELSIELS
/studies/additional/PIAACPIAAC
A-TITLE OECD Programme for International Assessment of Adult Competencies
/studies/additionalstudies/ros...Rosetta Stone
/studies/additional/TALISTALIS
A-TITLE OECD Teaching and Learning International Survey
/research-servicesResearch Services
/research-services/study-supportStudy Support
/research-services/study-supportStudy Design and Management
/research-services/study-supportSampling
/research-services/study-supportManuals and Guidelines
/research-services/study-supportSoftware Development
/research-services/study-supportStudy Instruments
/research-services/study-supportData Collection
/research-services/study-supportData Entry, Processing and Coding
/research-services/study-supportData Analysis and Reporting
/research-services/study-supportOther Support Services
/research-services/trainingTraining
/research-services/trainingIEA Workshops
/research-services/trainingWorkshops on Demand
/research-services/trainingIERI Academies
A-TITLE ABC
/research-services/trainingIDB Analyzer Tutorials
/research-services/trainingOpen lectures
/research-services/consultancyConsultancy and Capacity Building
/research-services/consultancyText duplicate LaNA
A-TITLE Literary and Numeracy Assessment
/research-services/consultancyBEAM
A-TITLE BEAM: Botswana Educational Achievement Monitoring
/research-services/consultancyNational Assessments
/research-services/consultancyPRIDI: Programa Regional de Indicadores de Desarrollo Infantil
https://www.iea.nl/publicationsPublications
/publications/study-reportsStudy Reports
/publications/study-reports/in...International Reports
/publications/study-reports/na...National Reports
/publications/study-reports/ot...Other Reports
/publications/series-journalsSeries and Journals
/publications/series-journals/...IEA Compass: Briefs in Education
/publications/series-journals/...IEA Research for Education Series
/publications/series-journals/...Large-scale Assessments in Education Journal
/publications/introducing-iea-...Subdomain IEA Resources for Teachers
/publications/iea-teachers-sni...IEA Research for Educators
/publications/iea-teacher-snip...IEA Teacher Snippets
/publications/otherOther Publications
/publications/other/infographi...Infographics and flyers
/publications/other/newslettersNewsletters
/publications/other/pressPress Releases
/publications/other/rd-outcomesR&D Outcomes
https://www.iea.nl/data-toolsData & Tools
/data-tools/repositoryData Repository
/data-tools/repository/timssTIMSS Data
/data-tools/repository/timssad...TIMSS Advanced Data
/data-tools/repository/pirlsPIRLS Data
/data-tools/repository/iccsICCS Data
/data-tools/repository/icilsICILS Data
/data-tools/repository/redsREDS Data
/data-tools/repository/civedCIVED Data
/data-tools/repository/sitesSITES Data
/data-tools/repository/tedsmTEDS-M Data
/data-tools/repository/reading...RL II Data
/data-tools/toolsTools
/data-tools/toolsIDB Analyzer
/data-tools/toolsUser Guides
/data-tools/toolsILSA Gateway
/data-tools/toolsNCES Data Explorer
/data-tools/toolsSubdomain Anchor IEA Studies & Data Protection
/data-tools/using-study-materialsSubdomain Using Study Materials
/data-tools/permission-request...Permission Request Guidelines
/data-tools/permission-requestsPermission Request Form
/data-tools/permission-request...Permission Request Disclaimer
https://www.iea.nl/news-eventsNews & Events
/news-events/upcoming-eventsUpcoming Events
/news-events/newsNews
https://www.iea.nl/ircInternational Research Conference
https://www.iea.nl/news-events/gaGeneral Assembly Meetings
/news-events/past-eventsPast Events
https://www.iea.nl/aboutAbout us
https://www.iea.nl/about/orgOrganization
/about/org/missionMission and Strategy
/about/org/iea-compliance-comm...IEA Compliance Commitment
/about/org/legal-statusLegal Status
/about/org/historyHistory
/about/org/our-officesOur Offices
/about/org/staffOur Staff
/about/org/our-committeesOur Committees
https://www.iea.nl/about/membersMembers & Partners
https://www.iea.nl/node/51Honorary Membership
/about/members/institutional-m...Membership and Participating Institutions
/about/members/study-centersInternational Study Centers
/about/members/partnershipsPartnerships
/about/opportunitiesOpportunities
/about/opportunitiesCurrent Vacancies
/about/opportunities/join-usJoin Us
/about/opportunities/rdfundResearch and Development Fund
/about/opportunities/awardIEA Research Awards
/about/opportunities/academic-...Academic Visitor Program
/news-events/news/lana-linking...LaNA 2023 Linking Study Results Available and Released in Dakar, Senegal
/news-events/news/lana-linking...Learn more
/studies/iea/timssText duplicate TIMSS
/studies/iea/pirlsText duplicate PIRLS
https://timss.bc.edu/External Subdomain TIMSS & PIRLS International Study Center at Boston College's Lynch School of Education and Human Development
/studies/iea/iccsSubdomain Text duplicate ICCS
https://www.bath.ac.uk/topics/...External Subdomain IEA's ICCS International Study Center at the University of Bath's Department of Education
/studies/iea/icilsSubdomain Text duplicate ICILS
https://timss.bc.edu/External Subdomain IMG-ALT IEA Study Centers
/studies/iea/iccsText duplicate IMG-ALT IEA Study Centers
/studies/iea/icilsText duplicate IMG-ALT IEA Study Centers
/publications/other/newsletter...No Text
/publications/other/newsletter...IEA Updates March 2025
/publications/lana-linking-stu...No Text
/publications/lana-linking-stu...LaNA 2023 Linking Study Results
/publications/series-journals/...No Text
/publications/series-journals/...Knowledge and Willingness to Act Pro-Environmentally
/publications/timss-2023-inter...No Text
/publications/timss-2023-inter...TIMSS 2023 International Results in Mathematics and Science
/publications/icils-2023-inter...No Text
/publications/icils-2023-inter...ICILS 2023 International Report: An International Perspective on Digital Literacy
/sites/default/files/2025-03/I...New window Subdomain Download PDF
A-TITLE Open file in new window
https://www.iea.nl/Anchor Previous
https://www.iea.nl/Anchor Next
https://www.iea.nl/EN
https://www.iea.nl/deDE
/news-events/news/ieas-researc...No Text
/news-events/news/ieas-researc...IEA’s Research and Development Call 4 Awardees
/about/opportunities/rdfundSubdomain IEA’s Research and Development (R&D)
/news-events/news/ieas-researc...Trivial anchor text
Read more
/news-events/news/released-ici...No Text
/news-events/news/released-ici...Released: ICILS 2023 International Database
/studies/iea/icils/2023Subdomain ICILS 2023
/news-events/news/released-ici...Text duplicate Trivial anchor text
Read more
/news-events/news/timss-2023-i...IMG-ALT TIMSS 2023 logo on the TIMSS primary color background
/news-events/news/timss-2023-i...TIMSS 2023 International Database Available
/studies/iea/timss/timss2023Subdomain TIMSS 2023
/news-events/news/timss-2023-i...Text duplicate Trivial anchor text
Read more
https://www.iea.nl/www.iea.nl
https://www.iea.nl/Text duplicate www.iea.nl
https://forms.office.com/Pages...External Subdomain Sign-up to hear from us
https://twitter.com/iea_educationExternal Twitter
IMG-ALT Twitter
https://www.facebook.com/IEARe...External Subdomain Facebook
IMG-ALT Facebook
https://www.linkedin.com/compa...External Subdomain Linkedin
IMG-ALT Linkedin
https://www.youtube.com/channe...External Subdomain Youtube
IMG-ALT Youtube
/copyrightnoticeCopyright Notice
https://www.iea.nl/privacyPrivacy Policy
https://www.iea.nl/node/1708Colophon
https://www.iea.nl/user/loginLog in

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://www.iea.nl/"
HTTP header
(Important)
No X-Powered HTTP header is sent.
The web server transmits the web page (HTML) in compressed form.
Performance
(Somewhat important)
The page response time is excellent with 0.13 seconds.
The file size of the HTML document is fine (58 kB).

HTTP Response Header

NameValue
cache-controlmust-revalidate, no-cache, private
dateSat, 15 Mar 2025 21:14:42 GMT
x-drupal-dynamic-cacheMISS
content-languageen
x-content-type-optionsnosniff
x-frame-optionsSAMEORIGIN
expiresSun, 19 Nov 1978 05:00:00 GMT
x-generatorDrupal 10 (https://www.drupal.org)
x-drupal-cacheHIT
varyUser-Agent,Accept-Encoding
content-encodinggzip
content-length14392
content-typetext/html; charset=UTF-8
serverApache
statuscode200
http_versionHTTP/2

External factors

This page is referenced by wikipedia.
This website has excellent links from other websites.
This page has backlinks from 1,927 referring domains.
This page has 17,385 backlinks.
This page has backlinks from 1,334 different ip addresses.

Links from Wikipedia

You can find more links using Wikipedia search

Robots.txt

#
# robots.txt
#
# This file is to prevent the crawling and indexing of certain parts
# of your site by web crawlers and spiders run by sites like Yahoo!
# and Google. By telling these "robots" where not to go on your site,
# you save bandwidth and server resources.
#
# This file will be ignored unless it is at the root of your host:
# Used:    http://example.com/robots.txt
# Ignored: http://example.com/site/robots.txt
#
# For more information about the robots.txt standard, see:
# http://www.robotstxt.org/robotstxt.html

User-agent: *
# CSS, JS, Images
Allow: /core/*.css$
Allow: /core/*.css?
Allow: /core/*.js$
Allow: /core/*.js?
Allow: /core/*.gif
Allow: /core/*.jpg
Allow: /core/*.jpeg
Allow: /core/*.png
Allow: /core/*.svg
Allow: /profiles/*.css$
Allow: /profiles/*.css?
Allow: /profiles/*.js$
Allow: /profiles/*.js?
Allow: /profiles/*.gif
Allow: /profiles/*.jpg
Allow: /profiles/*.jpeg
Allow: /profiles/*.png
Allow: /profiles/*.svg
# Directories
Disallow: /core/
Disallow: /profiles/
# Files
Disallow: /README.md
Disallow: /composer/Metapackage/README.txt
Disallow: /composer/Plugin/ProjectMessage/README.md
Disallow: /composer/Plugin/Scaffold/README.md
Disallow: /composer/Plugin/VendorHardening/README.txt
Disallow: /composer/Template/README.txt
Disallow: /modules/README.txt
Disallow: /sites/README.txt
Disallow: /themes/README.txt
Disallow: /web.config
# Paths (clean URLs)
Disallow: /admin/
Disallow: /comment/reply/
Disallow: /filter/tips
Disallow: /node/add/
Disallow: /search/
Disallow: /user/register
Disallow: /user/password
Disallow: /user/login
Disallow: /user/logout
Disallow: /media/oembed
Disallow: /*/media/oembed
# Paths (no clean URLs)
Disallow: /index.php/admin/
Disallow: /index.php/comment/reply/
Disallow: /index.php/filter/tips
Disallow: /index.php/node/add/
Disallow: /index.php/search/
Disallow: /index.php/user/password
Disallow: /index.php/user/register
Disallow: /index.php/user/login
Disallow: /index.php/user/logout
Disallow: /index.php/media/oembed
Disallow: /index.php/*/media/oembed

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www.iea.nl
About IEA | IEA.nl

Most important keywords

Following keywords were found. You can check the keyword optimization of this page for each keyword.

KeywordResultRecheck
IEA86%Check
IEA Research64%Check
IEA Studies64%Check
TIMSS46%Check
TIMSS 2023 International46%Check
International Study45%Check
TIMSS 202345%Check
TIMSS PIRLS International Study45%Check
ICILS 2023 International45%Check
International44%Check
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