Medienportal.siemens-stiftung.org - SEO Checker

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Overview of the SEO Check
Meta information
98% 
Page quality
67% 
Page structure
30% 
Link structure
82% 
Server
79% 
External factors
100% 
SEO Score
Response time
0.85 s
File size
34.30 kB
Words
1254
Media files
14
Number of links
43 internal / 5 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
MINT-Unterrichtsmaterial: Medienportal Siemens Stiftung
The length of the page title is perfect. (508 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
Hochwertiges Lehrmaterial und Lernmaterial für innovativen MINT-Unterricht: kostenfrei und von Experten entwickelt – im Medienportal der Siemens Stiftung
The length of the meta description is perfect. (964 pixels out of 1000 max pixel length)
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
No canonical link is 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)
There are no alternate links specified on this page.
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)
This page is hosted on a subdomain. Use a top level domain for better SEO results.
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
generatorLokando WEB Pro v. 5.0.6
viewportwidth=device-width, initial-scale=1.0
descriptionHochwertiges Lehrmaterial und Lernmaterial für innovativen MINT-Unterricht: kostenfrei und von Experten entwickelt – im Medienportal der Siemens Stiftung
keywordsMedia Portal, media server, online portal, online media, digital teaching materials, teaching media, teachers, science lessons, teaching modules, portal for teachers, STEM subjects, lesson preparation, teaching practice, database, search, education, school, media collection, information sheet, interactive graphics, interactive whiteboards, experimentation instructions, worksheets, Siemens Stiftung, hearing, energy, environment, OER, Creative Commons, CC BY-SA, Experimento, experimentation, open educational media, open educational resources, free education
copyrightSoftware: © 2002-2025 LOKANDO AG
publisherSiemens Stiftung
langen
charsetutf-8

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Page quality

Content
(Critically important)
Some words from the page title are not used within the pages content
There are 2 text duplicates on this page:
  • Duplicate: About four times a year, we inform you about new media on this portal ...
This page contains 1254 words. That's ok.
36.1% of the text are stop words.
Words from the H1 heading are used in the page content.
The page contains a listing, which indicates a good text layout.
25 paragraphs were found on this page.
No placeholders texts or images were found.
The average number of words per sentence of 16.87 words is good.
Frames
(Critically important)
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)
12 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
...tom/assets/img/Siemens-Stiftung-Logo.svgLogo Siemens Stiftung
/custom/images/comeniussiegel_2019.pngDas Comenius-EduMedia-Siegel: 2019 wurde das Medienportal von der Gesellschaft für Pädagogik, Information und Medien e. V. mit dem renommierten Siegel ausgezeichnet.
/custom/images/news_oeweek2024-2.jpgNo alt attribute provided
...es/news_comenius2023_preisverleihung.jpgNo alt attribute provided
/custom/images/news_katzeq.jpgNo alt attribute provided
/custom/images/news_scifestafrica2022.jpgNo alt attribute provided
/custom/images/news_oeweek2022.jpgNo alt attribute provided
/custom/images/start_experimento.jpgNo alt attribute provided
/custom/images/trainings_vo_stem.pngNo alt attribute provided
...om/images/news_stochastikfortbildung.jpgNo alt attribute provided
/preview/114655No alt attribute provided
/preview/114416No alt attribute provided
...es/news_funktionen_h5p_zeitleiste_en.jpgNo alt attribute provided
/custom/images/news_crea_header.jpgNo alt attribute provided

Page structure

H1 heading
(Critically important)
Student‘s area
Too many H1 headings
The H1 heading is too short (14 characters). It should be at least 20 Characters long.
Headings
(Important)
Some headings occur twice on the page.
The structure of headings is missing one or more levels. Do not skip heading levels.
There are 29 headings on the page. The amount of headings should be in a more proper relation to the amount of text.
Some headings do not have any content.

Heading structure

Heading levelContent
H1 Student‘s area
H1 Open teaching material for STEM subjects: quality-checked, realistic, free
H1 The Siemens Stiftung Media Portal
H2 News
H2 Experimento
H2 Highlights
H3 Looking for high-quality teaching material?
H3 Empty heading
H3 Find out how to teach and learn with the Media Portal
H3 Learn about OER and how it can be used in class
H3 Learn more about our offer, our motivation, and our partners
H3 OE Week 2024: Shaping education worldwide
H3 Comenius medal awarded to our climate change series
H3 “KittyQ – A Quantum Adventure” game app
H3 Scifest Africa 2022: Back to the Basics
H3 Open Education Week celebrates 10th anniversary
H3 View all news
H3 24 Jul 2023 New: WBT Vocational Orientation in STEM teaching
H3 24 Jul 2023 New: Training on stochastics – Part III
H3 02 May 2023 New: WBT on being a Software Developer
H3 14 Mar 2023 New: Media package on vaccination
H3 14 Mar 2023 New H5P types and functions in text media
H3 View all highlights
H5 United Nations Decade on Ecosystem Restoration
H5 World Day to Combat Desertification and Drought
H5 International Women in Engineering Day
H5 Stay up-to-date!
H5 Media Portal newsletter – register now
H5 Jetzt das Medienportal mitgestalten!
H5 Stay up-to-date! Duplicate text
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.
2 links don't have an anchor text.
The number of internal links is ok.
None of the anchor texts is too long.
There are 5 external links on this page.

Found links on this page

LinkAttributesAnchor text
/en/homeSubdomain Media Portal
https://www.siemens-stiftung.o...New window External Subdomain IMG-ALT Logo Siemens Stiftung
/en/homeSubdomain A-TITLE Home
/en/aboutSubdomain About the portal
/en/mediaSubdomain Media
/en/methodsSubdomain Methods
/en/trainingsSubdomain Trainings
/portal/main.php?searcharea=pe...Subdomain Bookmarks
A-TITLE Bookmarks
/en/loginSubdomain Login
A-TITLE Login
/en/registerSubdomain Register
A-TITLE Register
/en/loginSubdomain Text duplicate Login
A-TITLE Login
/start.php?setlang=deDeutsch
/en/studentsSubdomain Student‘s area
/portal/main.php?searcharea=po...Subdomain teaching materials
/en/inquiry-based-learningSubdomain inquiry-based learning
/en/inclusive-learningSubdomain inclusive learning
/en/service-learningSubdomain Service-Learning
/en/design-thinkingSubdomain Design Thinking
/en/howtoSubdomain Find out how to teach and learn with the Media Portal
/en/oerSubdomain Learn about OER and how it can be used in class
/en/aboutSubdomain Learn more about our offer, our motivation, and our partners
https://www.decadeonrestoratio...New window External Subdomain United Nations Decade on Ecosystem Restoration
https://www.unesco.org/en/days...New window External Subdomain World Day to Combat Desertification and Drought Every year, UNESCO uses this world day to shine light on how drought threatens the ecosystem. Climate change ...
https://www.inwed.org.uk/New window External Subdomain International Women in Engineering Day This international day, brought to life by the Women’s Engineering Society, highlights the achievements by women in th...
/en/newsSubdomain Anchor No Text
/en/newsSubdomain Anchor No Text
/en/newsSubdomain Anchor No Text
/en/newsSubdomain Anchor No Text
/en/newsSubdomain Anchor No Text
/en/newsSubdomain Anchor No Text
/en/newsSubdomain Anchor No Text
/en/newsSubdomain Anchor No Text
/en/newsSubdomain Anchor No Text
/en/newsSubdomain Anchor No Text
/en/newsSubdomain No Text
/en/experimento-matrixSubdomain All Experimento media can be found here.
/en/trainingsVocational Orientation in STEM teaching
/en/trainingsTraining on stochastics
/en/vocational-orientation-bei...Vocational Orientation – Being a Software Developer
/en/vaccination-114416Vaccination media package
/en/newsSubdomain Anchor Learn more
/en/newsSubdomain No Text
/en/termsNew window Subdomain information on data privacy
https://crea-portaldemedios.si...External Subdomain CREA - El Portal de Medios para la Enseñanza STEM
/en/imprintSubdomain Imprint
/en/contactSubdomain Contact
/en/privacySubdomain Privacy Policy
/en/termsSubdomain Terms and Conditions

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://medienportal.siemens-stiftung.org/"
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 of 0.85 seconds is longer than the recommended limit of 0.4 seconds. A high response time unnecessarily slows down search engine crawling and results in bad user experience as well.
The file size of the HTML document is fine (34 kB).

HTTP Response Header

NameValue
expiresThu, 19 Nov 1981 08:52:00 GMT
cache-controlno-store, no-cache, must-revalidate
pragmano-cache
set-cookie142 Characters
varyAccept-Encoding
content-encodinggzip
content-security-policyframe-ancestors 'self' https://www.metaxdata.eu https://leon.tsn.at https://leon.bz.it https://moodle.tsn.at https://leon.vtsn.at https://moodle.vtsn.at https://www.mz-nuernberg.de
x-content-type-optionsnosniff
content-length9798
content-typetext/html; charset=UTF-8
dateSat, 20 Jun 2026 01:41:12 GMT
serverApache
statuscode200
http_versionHTTP/2

External factors

This website has excellent links from other websites.
This page has backlinks from 61 referring domains.
This page has 999 backlinks.
This page has backlinks from 55 different ip addresses.

Links from Wikipedia

No links from Wikipedia were found.

Robots.txt

User-agent: *
Allow: /de
Allow: /en
Allow: /es
Allow: /data_portal/
Allow: /custom/
Allow: /lib/
Allow: /view/
Allow: /preview/
Allow: /download/
Allow: /1
Sitemap: https://medienportal.siemens-stiftung.org/sitemap.xml

Disallow: /config/
Disallow: /admin/
Disallow: /cms/
Disallow: /templates/
Disallow: /user/
Disallow: /modules/
Disallow: /help/
Disallow: /distri/
Disallow: /log/
Disallow: /update/
Disallow: /tools/
Disallow: /data*/

#Allow: /start.php
#Allow: /portal/main.php
#Allow: /portal/statpage.php
#Allow: /lib/js/
#Allow: /lib/styles/
#Allow: /lib/obj_show.php
#Allow: /lib/obj_download.php
#Allow: /lib/obj_preview.php
#Allow: /lib/obj_thumb.php

Similar sites

Search preview

medienportal.siemens-stiftung.org
MINT-Unterrichtsmaterial: Medienportal Siemens Stiftung
Hochwertiges Lehrmaterial und Lernmaterial für innovativen MINT-Unterricht: kostenfrei und von Experten entwickelt – im Medienportal der Siemens Stiftung

Most important keywords

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

KeywordResultRecheck
Portal81%Check
Siemens Stiftung77%Check
Siemens76%Check
Stiftung76%Check
Medienportal74%Check
Medienportal Siemens Stiftung73%Check
material66%Check
Media Portal63%Check
Portal de Medios62%Check
teaching material54%Check
Show more keywords and terms

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