Probanden.fraunhofer.de - SEO Checker

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Overview of the SEO Check
Meta information
79% 
Page quality
80% 
Page structure
95% 
Link structure
88% 
Server
100% 
External factors
100% 
SEO Score
Response time
0.21 s
File size
22.60 kB
Words
252
Media files
1
Number of links
36 internal / 6 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
🔬 Proband werden bei Fraunhofer
The length of the page title is perfect. (309 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
Jetzt Proband in Hannover werden – beim Fraunhofer-Institut! Nehmen Sie an Studien zu neuen Behandlungsmethoden und Medikamenten teil, unterstützen Sie die Forschung und erhalten Sie eine Aufwandsentschädigung.
The meta description is too long: 1375 pixels from max. 1000 pixels. Optimize description
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
https://www.probanden.fraunhofer.de/
There is a valid canonical link specified.
Language
(Somewhat important)
Language detected in text: de
Language defined in HTML: de
Server location: United States of America
The following language is defined by HTML: de
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
viewportwidth=device-width, initial-scale=1, user-scalable=yes
robotsnoodp,noydir,index,follow
pubdate2026-01-21T14:59:27.288+01:00
copyrightCopyright
descriptionJetzt Proband in Hannover werden – beim Fraunhofer-Institut! Nehmen Sie an Studien zu neuen Behandlungsmethoden und Medikamenten teil, unterstützen Sie die Forschung und erhalten Sie eine Aufwandsentschädigung.
msapplication-TileColor#ffffff
msapplication-TileImage/static/css/fraunhofer/resources/img/favicons/mstile-144x144.png
langde
og:title🔬 Proband werden bei Fraunhofer
og:descriptionJetzt Proband in Hannover werden – beim Fraunhofer-Institut! Nehmen Sie an Studien zu neuen Behandlungsmethoden und Medikamenten teil, unterstützen Sie die Forschung und erhalten Sie eine Aufwandsentschädigung.
og:urlhttps://www.probanden.fraunhofer.de/de.html
og:typewebsite
X-UA-CompatibleIE=edge
imagetoolbarno
last-modified2026-01-21T13:59:27.288Z
charsetutf-8

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Page quality

Content
(Critically important)
There are only 252 words on this page. Good pages should have about 800 words of useful content.
27.8% 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.
5 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 17.71 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, user-scalable=yes" is provided.
At least one Apple touch icon is specified.
Bold and strong tags
(Somewhat important)
Some tags are too long. With 128 characters this one is longer than 70 characters:
"quelle: fraunhofer-gesellschaft fraunhofer-institut für toxikologie und experimentelle medizin - 🔬 pro..."
Image SEO
(Somewhat important)
Alt text (alternative text) is correctly used on all found images.
Social Networks
(Nice to have)
This page is optimized perfectly for social networks.
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
/content/dam/item/ITEM-Logo.gifLogo des Fraunhofer ITEMLogo Fraunhofer ITEM

Page structure

H1 heading
(Critically important)
Fraunhofer-Institut für Toxikologie und Experimentelle Medizin
The H1 heading is perfect.
Headings
(Important)
Some headings do not have any content.

Heading structure

Heading levelContent
H1 Fraunhofer-Institut für Toxikologie und Experimentelle Medizin
H2 Klinische Studien am Fraunhofer ITEM – Proband werden!
H2 Empty heading
H2 Navigation und Social Media
H3 Aktuelle Studien
H3 Gesund
H3 Asthma
H3 Allergien
H3 COPD
H3 Klinische Studien am Fraunhofer ITEM
H3 Folgen Sie uns
Some anchor texts are used more than once.
1 links don't have an 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 6 external links on this page.

Found links on this page

LinkAttributesAnchor text
/Fraunhofer-Institut für Toxikologie und Experimentelle Medizin
IMG-ALT Logo des Fraunhofer ITEM
/Text duplicate Fraunhofer-Institut für Toxikologie und Experimentelle Medizin
https://www.fraunhofer.de/New window External Subdomain Fraunhofer-Gesellschaft
/de/kontakt.htmlKontakt
/de/ueber-uns.htmlÜber uns
/de/allgemeine-registrierung.htmlAllgemeine Registrierung
/en.htmlEnglish
/de/gesunde-teilnehmer.htmlStudien für Gesunde
/de/gesunde-teilnehmer.htmlText duplicate Studien für Gesunde
/de/gesunde-teilnehmer/vorunte...Neue Voruntersuchung
/de/asthma.htmlAsthma
/de/asthma.htmlText duplicate Asthma
/de/asthma/studie-donner2.htmlAsthma-Studie »DONNER-2«
/de/copd.htmlCOPD
/de/copd.htmlText duplicate COPD
/de/copd/studie-genna.htmlCOPD-Studie »GENNA«
/de/allergien.htmlAllergien
/de/allgemeine-registrierung.htmlText duplicate Allgemeine Registrierung
/de/ueber-uns.htmlText duplicate Über uns
/de/kontakt.htmlText duplicate Kontakt
/de/proband-werden/asthma/stud...No Text
/de/proband-werden/asthma/stud...Allergisches Asthma-Studie »DONNER-2«
/de/proband-werden/copd/studie...Text duplicate COPD-Studie »GENNA«
/de/gesunde-teilnehmer/vorunte...Text duplicate Neue Voruntersuchung
/de/gesunde-teilnehmer.htmlA-TITLE Studien für gesunde Probanden
/de/gesunde-teilnehmer.htmlmehr info
A-TITLE Studien für gesunde Probanden
/de/asthma.htmlMehr Info
A-TITLE Studien für Patienten mit Asthma
/de/allergien.htmlA-TITLE Studien für Patienten mit Allergien
/de/allergien.htmlMehr info
A-TITLE Studien für Patienten mit Allergien
/de/copd.htmlText duplicate Mehr info
A-TITLE Studien für Patienten mit COPD
/de/kontakt.htmlA-TITLE Kontaktinformationen Fraunhofer ITEM
/de/kontakt.htmlText duplicate Kontakt
A-TITLE Kontaktinformationen Fraunhofer ITEM
https://www.facebook.com/fraun...New window External Subdomain A-TITLE Besuchen Sie uns bei Facebook
https://twitter.com/FraunhoferNew window External A-TITLE Besuchen Sie uns bei Twitter
https://www.xing.com/companies...New window External Subdomain A-TITLE Besuchen Sie uns bei Xing
https://www.youtube.com/channe...New window External Subdomain A-TITLE Besuchen Sie uns bei YouTube
https://www.instagram.com/frau...New window External Subdomain A-TITLE Besuchen Sie uns bei Instagram
/de/sitemap.htmlSitemap
/de/ueber-klinische-studien.htmlÜber klinische Studien
/de/impressum.htmlImpressum
/de/datenschutzerklaerung.htmlDatenschutzerklärung
/de/datenschutzinformation.htmlDatenschutzinformation

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://www.probanden.fraunhofer.de/"
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 0.21 seconds.
The file size of the HTML document is fine (23 kB).

HTTP Response Header

NameValue
x-content-type-optionsnosniff
x-xss-protection1; mode=block
permissions-policyinterest-cohort=()
strict-transport-securitymax-age=63072000
dateTue, 17 Feb 2026 21:31:31 GMT
serverApache
content-security-policyframe-ancestors 'none'
age1297957
accept-rangesbytes
content-typetext/html;charset=utf-8
varyAccept-Encoding
content-encodinggzip
content-length5026
statuscode200
http_versionHTTP/2

External factors

This website has excellent links from other websites.
This page has backlinks from 48 referring domains.
This page has 80 backlinks.
This page has backlinks from 19 different ip addresses.

Links from Wikipedia

No links from Wikipedia were found.

Robots.txt

User-agent: *
Disallow: /*/sep$
Disallow: /*.json$
Disallow: /*?q
Disallow: /*?*cp=
Disallow: /*?*wcmmode=
Disallow: /*?*cooperation=
Disallow: /de/send-mail?
Disallow: /en/send-mail?
Disallow: /es/send-mail?
Disallow: /it/send-mail?
Disallow: /fr/send-mail?
Disallow: /ko/send-mail?
Disallow: /ja/send-mail?
Disallow: /pt/send-mail?
Disallow: /pl/send-mail?
Disallow: /zh/send-mail?
Disallow: /tr/send-mail?
Disallow: /hu/send-mail?
Disallow: /ar/send-mail?

Similar sites

Search preview

www.probanden.fraunhofer.de
🔬 Proband werden bei Fraunhofer
Jetzt Proband in Hannover werden – beim Fraunhofer-Institut! Nehmen Sie an Studien zu neuen Behandlungsmethoden und Medikamenten teil, unterstützen Sie die Forschung und erhalten Sie eine Aufwandsentschädigung.

Most important keywords

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

KeywordResultRecheck
Fraunhofer97%Check
Proband78%Check
Fraunhofer ITEM73%Check
Studien am Fraunhofer69%Check
am Fraunhofer ITEM67%Check
Fraunhofer-Institut66%Check
Studien am Fraunhofer ITEM64%Check
Klinische Studien am Fraunhofer62%Check
Toxikologie55%Check
Experimentelle55%Check
Show more keywords and terms

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