Website review iea.nl
About IEA | IEA.nl
Generated on March 07 2026 19:46 PM
Old data? UPDATE !
The score is 41/100
SEO Content
Title
About IEA | IEA.nl
Length : 18
Perfect, your title contains between 10 and 70 characters.
Description
Length : 0
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Keywords
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Og Meta Properties
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Headings
| H1 | H2 | H3 | H4 | H5 | H6 |
| 1 | 8 | 1 | 5 | 0 | 0 |
- [H1] About IEA
- [H2] Study Centers
- [H2] Publications
- [H2] Language switcher
- [H2] News & Events
- [H2] IEA’s LaNA Added to the UIS Database to Report Progress on SDG Indicator 4.1.1b
- [H2] Research & Policy Grant for Early Career Researchers Now Open
- [H2] Call for Applications: WERA Visiting Researcher Award 2026
- [H2] User account menu
- [H3] IEA Studies
- [H4] February 2026: Digital Natives—Reality or Myth?
- [H4] TIMSS 2023 Longitudinal User Guide for the International Database
- [H4] ICILS 2028 Fact Sheet
- [H4] TIMSS 2023 Longitudinal International Results in Mathematics and Science
- [H4] Who Likes Learning Mathematics?
Images
We found 21 images on this web page.
9 alt attributes are empty or missing. Add alternative text so that search engines can better understand the content of your images.
Text/HTML Ratio
Ratio : 10%
This page's ratio of text to HTML code is below 15 percent, this means that your website probably needs more text content.
Flash
Perfect, no Flash content has been detected on this page.
Iframe
Great, there are no Iframes detected on this page.
SEO Links
URL Rewrite
Good. Your links looks friendly!
Underscores in the URLs
We have detected underscores in your URLs. You should rather use hyphens to optimize your SEO.
In-page links
We found a total of 133 links including 2 link(s) to files
| Anchor | Type | Juice |
|---|---|---|
| Skip to main content | Internal | Passing Juice |
| عربى | Internal | Passing Juice |
| ES | Internal | Passing Juice |
| FR | Internal | Passing Juice |
| JOIN US | Internal | Passing Juice |
| CONTACT | Internal | Passing Juice |
| Studies | Internal | Passing Juice |
| IEA Studies | Internal | Passing Juice |
| TIMSS | Internal | Passing Juice |
| PIRLS | Internal | Passing Juice |
| ICCS | Internal | Passing Juice |
| ICILS | Internal | Passing Juice |
| LaNA | Internal | Passing Juice |
| Other IEA studies | Internal | Passing Juice |
| Early IEA Studies | Internal | Passing Juice |
| Studies in Germany | Internal | Passing Juice |
| Evaluation Startchancen-Programm | Internal | Passing Juice |
| IGLU Germany | Internal | Passing Juice |
| Monitoring Educational Standards | Internal | Passing Juice |
| NEPS | Internal | Passing Juice |
| PerFair | Internal | Passing Juice |
| PISA Germany | Internal | Passing Juice |
| TALIS Starting Strong Germany | Internal | Passing Juice |
| TIMSS Germany | Internal | Passing Juice |
| TOSCAneo | Internal | Passing Juice |
| Other Studies in Germany | Internal | Passing Juice |
| Additional Studies | Internal | Passing Juice |
| IELS | Internal | Passing Juice |
| PIAAC | Internal | Passing Juice |
| Rosetta Stone | Internal | Passing Juice |
| TALIS | Internal | Passing Juice |
| Research Services | Internal | Passing Juice |
| Study Support | Internal | Passing Juice |
| Study Design and Management | Internal | Passing Juice |
| Sampling | Internal | Passing Juice |
| Manuals and Guidelines | Internal | Passing Juice |
| Software Development | Internal | Passing Juice |
| Study Instruments | Internal | Passing Juice |
| Data Collection | Internal | Passing Juice |
| Data Entry, Processing and Coding | Internal | Passing Juice |
| Data Analysis and Reporting | Internal | Passing Juice |
| Other Support Services | Internal | Passing Juice |
| Training | Internal | Passing Juice |
| IEA Workshops | Internal | Passing Juice |
| Workshops on Demand | Internal | Passing Juice |
| IERI Academies | Internal | Passing Juice |
| IDB Analyzer Tutorials | Internal | Passing Juice |
| Open lectures | Internal | Passing Juice |
| Consultancy and Capacity Building | Internal | Passing Juice |
| LaNA | Internal | Passing Juice |
| BEAM | Internal | Passing Juice |
| National Assessments | Internal | Passing Juice |
| PRIDI: Programa Regional de Indicadores de Desarrollo Infantil | Internal | Passing Juice |
| Publications | Internal | Passing Juice |
| Study Reports | Internal | Passing Juice |
| International Reports | Internal | Passing Juice |
| National Reports | Internal | Passing Juice |
| Other Reports | Internal | Passing Juice |
| Series and Journals | Internal | Passing Juice |
| IEA Compass: Briefs in Education | Internal | Passing Juice |
| IEA Research for Education Series | Internal | Passing Juice |
| Large-scale Assessments in Education Journal | Internal | Passing Juice |
| IEA Resources for Teachers | Internal | Passing Juice |
| IEA Research for Educators | Internal | Passing Juice |
| IEA Teacher Snippets | Internal | Passing Juice |
| Other Publications | Internal | Passing Juice |
| Infographics and flyers | Internal | Passing Juice |
| Newsletters | Internal | Passing Juice |
| Press Releases | Internal | Passing Juice |
| R&D Outcomes | Internal | Passing Juice |
| Data & Tools | Internal | Passing Juice |
| Data Repository | Internal | Passing Juice |
| TIMSS Data | Internal | Passing Juice |
| TIMSS Longitudinal Data | Internal | Passing Juice |
| TIMSS Advanced Data | Internal | Passing Juice |
| PIRLS Data | Internal | Passing Juice |
| ICCS Data | Internal | Passing Juice |
| ICILS Data | Internal | Passing Juice |
| LaNA Data | Internal | Passing Juice |
| REDS Data | Internal | Passing Juice |
| CIVED Data | Internal | Passing Juice |
| SITES Data | Internal | Passing Juice |
| TEDS-M Data | Internal | Passing Juice |
| RL II Data | Internal | Passing Juice |
| Tools | Internal | Passing Juice |
| IDB Analyzer | Internal | Passing Juice |
| User Guides | Internal | Passing Juice |
| NCES Data Explorer | Internal | Passing Juice |
| IEA Studies & Data Protection | Internal | Passing Juice |
| Using Study Materials | Internal | Passing Juice |
| Permission Request Guidelines | Internal | Passing Juice |
| Permission Request Form | Internal | Passing Juice |
| Permission Request Disclaimer | Internal | Passing Juice |
| News & Events | Internal | Passing Juice |
| Upcoming Events | Internal | Passing Juice |
| News | Internal | Passing Juice |
| International Research Conference | Internal | Passing Juice |
| General Assembly Meetings | Internal | Passing Juice |
| Past Events | Internal | Passing Juice |
| About us | Internal | Passing Juice |
| Organization | Internal | Passing Juice |
| Mission and Strategy | Internal | Passing Juice |
| IEA Compliance Commitment | Internal | Passing Juice |
| Legal Status | Internal | Passing Juice |
| History | Internal | Passing Juice |
| Our Offices | Internal | Passing Juice |
| Our Staff | Internal | Passing Juice |
| Our Committees | Internal | Passing Juice |
| Members & Partners | Internal | Passing Juice |
| Honorary Membership | Internal | Passing Juice |
| Membership and Participating Institutions | Internal | Passing Juice |
| International Study Centers | Internal | Passing Juice |
| Partnerships | Internal | Passing Juice |
| Opportunities | Internal | Passing Juice |
| Research and Development Fund | Internal | Passing Juice |
| IEA Research Awards | Internal | Passing Juice |
| Research & Policy Grant for Early Career Researchers | Internal | Passing Juice |
| Academic Visitor Program | Internal | Passing Juice |
| Call for Proposals—IEA Research for Education: TIMSS Longitudinal data now available | Internal | Passing Juice |
| TIMSS & PIRLS International Study Center at Boston College's Lynch School of Education and Human Development | External | Passing Juice |
| LaNA | Internal | Passing Juice |
| Download PDF | Internal | Passing Juice |
| Download PDF | Internal | Passing Juice |
| EN | Internal | Passing Juice |
| DE | Internal | Passing Juice |
| Read more | Internal | Passing Juice |
| Read more | Internal | Passing Juice |
| Read more | Internal | Passing Juice |
| Copyright Notice | Internal | Passing Juice |
| Privacy Policy | Internal | Passing Juice |
| Accessiblity | Internal | Passing Juice |
| Colophon | Internal | Passing Juice |
| Log in | Internal | Passing Juice |
SEO Keywords
Keywords Cloud
pirls data international education timss research germany studies iea study
Keywords Consistency
| Keyword | Content | Title | Keywords | Description | Headings |
|---|---|---|---|---|---|
| data | 21 |  |
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| iea | 20 | |
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| study | 13 | |
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| research | 12 | |
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| studies | 11 | |
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Usability
Url
Domain : iea.nl
Length : 6
Favicon
Great, your website has a favicon.
Printability
We could not find a Print-Friendly CSS.
Language
Good. Your declared language is en.
Dublin Core
This page does not take advantage of Dublin Core.
Document
Doctype
HTML 5
Encoding
Perfect. Your declared charset is UTF-8.
W3C Validity
Errors : 0
Warnings : 0
Email Privacy
Warning! At least one email address has been found in the plain text. Use free antispam protector to hide email from spammers.
Deprecated HTML
Great! We haven't found deprecated HTML tags in your HTML.
Speed Tips
|
Excellent, your website doesn't use nested tables. |
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Too bad, your website is using inline styles. |
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Too bad, your website has too many CSS files (more than 4). |
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Too bad, your website has too many JS files (more than 6). |
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Perfect, your website takes advantage of gzip. |
Mobile
Mobile Optimization
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Apple Icon |
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Meta Viewport Tag |
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Flash content |
Optimization
XML Sitemap
Missing
Your website does not have an XML sitemap - this can be problematic.
A sitemap lists URLs that are available for crawling and can include additional information like your site's latest updates, frequency of changes and importance of the URLs. This allows search engines to crawl the site more intelligently.
Robots.txt
https://iea.nl/robots.txt
Great, your website has a robots.txt file.
Analytics
Missing
We didn't detect an analytics tool installed on this website.
Web analytics let you measure visitor activity on your website. You should have at least one analytics tool installed, but It can also be good to install a second in order to cross-check the data.
PageSpeed Insights
Device
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