Uni-heidelberg.de - SEO Checker

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Overview of the SEO Check
Meta information
78% 
Page quality
82% 
Page structure
20% 
Link structure
60% 
Server
91% 
External factors
100% 
SEO Score
Response time
0.14 s
File size
279.10 kB
Words
655
Media files
19
Number of links
83 internal / 12 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Heidelberg University
The page title is too short. (191 pixels of 580 max pixel length) Optimize title
There are no duplicate words in the title
Meta description
(Critically important)
The meta description is empty.
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
https://www.uni-heidelberg.de/en
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)
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)
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
viewportwidth=device-width
theme-color#000000
titleHeidelberg University
descriptionEmpty
robotsindex, follow
referrerorigin
langen
X-UA-CompatibleIE=edge
charsetUTF-8

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Page quality

Content
(Critically important)
This page contains 655 words. That's ok.
24.3% of the text are stop words.
Keywords used in the page title are also used in the page content. That's good!
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.
The text content is perfect.
No placeholders texts or images were found.
There are no duplicates on the site.
The average number of words per sentence of 24.36 words is good.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
Multiple viewport tags are given. There should only be one.
A viewport "width=device-width, initial-scale=1" is provided.
At least one Apple touch icon is specified.
This page only loads 1 JavaScript files. That's good!
Bold and strong tags
(Somewhat important)
The usage of strong and bold tags is perfect. We recommend the use of up to 13 tags for this page.
Image SEO
(Somewhat important)
18 images have no alt attribute. The content of alt attributes is used by search engines.
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
...e_logo/icon-symbol-uh-logo-black_1_0.svgHeidelberg University logo
.../2019-06/uh.jpg?h=074a1bd2&itok=_dIPHpvJNo alt attribute provided
...ony-2017_sw.jpg?h=1b0f9815&itok=8GzsNsU8No alt attribute provided
...179930-1600.jpg?h=7dc007da&itok=A5Q9_i0mNo alt attribute provided
..._10x15-6546.jpg?h=90b5ac1f&itok=11WK_IOaNo alt attribute provided
...xiencluster.jpg?h=6e029715&itok=ZyYI2cnCNo alt attribute provided
..._jasmina007.jpg?h=2992ba0a&itok=Vzd6-hYPNo alt attribute provided
...61-original.jpg?h=a0951a4d&itok=WngXw0u7No alt attribute provided
..._131216681.jpeg?h=47f00bb3&itok=aZ9rH0AdNo alt attribute provided
..._bearbeitet.jpg?h=4994e1c7&itok=J1mTcCO1No alt attribute provided
...41-original.jpg?h=50f41ecc&itok=j-qPfZh9No alt attribute provided
...xl_jan_will.jpg?h=99540e96&itok=Jm7kKzuNNo alt attribute provided
...aka_2025_hg.jpg?h=d7210a9f&itok=dPHKn0mgNo alt attribute provided
...enz_webbild.jpg?h=3cd523cd&itok=_k3BshPWNo alt attribute provided
...svorlesung3.png?h=e1431540&itok=6qT7qpvVNo alt attribute provided
...1945_end_hg.jpg?h=d7210a9f&itok=zzfAd1ktNo alt attribute provided
...mage_teaser.png?h=d1cb525d&itok=US_iZ1LDNo alt attribute provided
...usgabe-1920.jpg?h=d1cb525d&itok=WjxX4GrpNo alt attribute provided
...023_16_zu_9.jpg?h=0abb521b&itok=EsB1jaJmNo alt attribute provided

Page structure

H1 heading
(Critically important)
Welcome to Heidelberg University
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 33 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 Heidelberg University
H1 Nobel Prize Winners Heidelberg Nobel Prize Winners
H1 International Ruperto Carola international
H1 Donations & Endowments Your Commitment To Heidelberg University
H2 Accessibility links
H2 Against Exclusion and Discrimination
H2 Current Information
H2 University
H2 Research
H2 Study
H2 Transfer
H2 Sustainability
H2 Event Tips
H2 Links
H2 Footer
H3 Data from the James Webb Space Telescope Reveals Early Structures in the Universe
H3 Award for Outstanding Heidelberg Master’s Student
H3 Akademische Mittagspause: Quantenspiele
H3 Montagskonferenz – Flexibel, frei, erfüllt: Das richtige Mindset für ein mobiles Leben (auf Russisch)
H3 Bio(R)evolution: Microbiome Research Meets Developmental Genomics
H3 Ruperto Carola Ringvorlesung – „Das Unerträgliche ertragen“: Japan und das Kriegsende in Asien 1945
H3 Ruperto Carola
H3 Unispiegel
H3 Annual Report
H3 Main menu
H3 Information For
H3 Quick Links
H3 Contact
H3 Footer Memberships
H3 Languages
H3 Footer Legal
H3 Footer Social Media
H3 Footer Legal Duplicate text
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.
4 links don't have an anchor text.
The number of internal links is ok.
There are 12 external links on this page.

Found links on this page

LinkAttributesAnchor text
https://www.uni-heidelberg.de/enAnchor Jump to main content
/en?overlay=menuOpen Main Navigation
/en?overlay=searchOpen Search Form
/en?overlay=menuNo Text
/en?overlay=searchNo Text
/en/universityUniversity
/en/researchResearch
/en/studyStudy
/en/transferTransfer
https://www.uni-heidelberg.de/deIMG-ALT Heidelberg University logo
/en/university/history/heidelb...Nobel Prize WinnersLearn more
/en/international-affairsInternationalLearn more
/en/friends-supporters/donatio...Donations & EndowmentsLearn more
/en/institutions/facultiesFaculties Learn more
/en/institutionsInstitutions Learn more
/en/research/research-profileResearch Profile Learn more
/en/study/all-subjectsAll Degree Programmes Learn more
/en/university/facts-figuresFacts & Figures Learn more
/en/study/management-of-studie...Deadlines & Dates Learn more
/en/node/21786heiONLINE Learn more
/en/eventsEvents Learn more
/en/science-needs-liberal-demo...Statement
/en/newsroom/data-from-the-jam...Research Data from the James Webb Space Telescope Reveals Early Structures in the Universe
/en/newsroom/award-for-outstan...Marie-Luise Jung Prize Award for Outstanding Heidelberg Master’s Student
/en/newsroomNewsroom
/en/university/historyHistory of the University
/en/university/facts-figuresFacts & Figures
/en/university/heidelberg-prof...Heidelberg Profiles
/en/universityUniversity Portal
/en/research/research-profileResearch Profile of the University
/en/research/support-for-early...Promoting Young Researchers
/en/research/research-profile/...Fields of Focus
/en/researchResearch Portal
/en/study/fields-of-studyDegree Programmes
/en/study/international-studiesInternational Study
/en/study/application-enrolmentApplying & Enrolment
/en/studyStudy Portal
/en/transfer/research-cityResearch City
/en/research/technology-transferTechnology Transfer
/en/transfer/communicationCommunication
/en/transferTransfer Portal
/en/university/about-the-unive...Sustainability
/de/veranstaltungen/akademisch...Do, 22. Mai 2025, 12:30 Uhr Akademische Mittagspause: Quantenspiele Peterskirche, Plöck 70, 69117 Heidelberg
/de/veranstaltungen/montagskon...Mo, 26. Mai 2025, 16:15 Uhr Montagskonferenz – Flexibel, frei, erfüllt: Das richtige Mindset für ein mobiles Leben (auf Russisch) Anna Skorobogatowa, notjust...
/de/veranstaltungen/biorevolut...Mo, 26. Mai 2025, 18:00 Uhr Bio(R)evolution: Microbiome Research Meets Developmental Genomics Prof. Dr. Lauren Saunders, COS | Prof. Dr. Gilles Storelli, COS...
/de/veranstaltungen/ruperto-ca...Mo, 26. Mai 2025, 18:15 Uhr Ruperto Carola Ringvorlesung – „Das Unerträgliche ertragen“: Japan und das Kriegsende in Asien 1945 Dr. Takuma Melber, Universitä...
/en/eventsAll Events
/en/press-media/publications/r...Research magazine Ruperto Carola
/en/node/5313Publications Unispiegel
/en/press-media/publications/a...University Annual Report
/de/universitaet-heidelbergDeutsch
/en?overlay=contactContact
/en/universityText duplicate University
/en/researchText duplicate Research
/en/studyText duplicate Study
/en/transferText duplicate Transfer
/en/newsroomText duplicate Newsroom
/en/eventsEvents
/en/university/mapsMaps
/en/alumniAlumni
A-TITLE Alumni
/en/employees-in-science-admin...Employees
A-TITLE Employees
/en/doctoral-candidatesDoctoral Candidates
A-TITLE Doctoral Candidates
/en/teaching-services-portalLecturers
A-TITLE Lecturers
/en/press-mediaPress & Media
A-TITLE Press & Media
/en/friends-supportersFriends & Supporters
A-TITLE Friends & Supporters
/en/institutionsInstitutions
/en/institutions/facultiesFaculties
/en/international-affairsInternational
/en/research/research-profile/...Excellence Strategy
/en/study/management-of-studie...Key Dates & Deadlines
/de/studium/vorlesungsverzeich...New window Subdomain Course Overview
/en/job-marketJob Market
/en/university/locations-and-h...Directions
https://4euplus.eu/New window External No Text
http://www.leru.org/New window External Subdomain No Text
http://www.coimbra-group.eu/New window External Subdomain No Text
https://www.german-u15.de/New window External Subdomain No Text
https://www.m-r-n.com/New window External Subdomain No Text
https://www.heidelberg.de/hd,L...New window External Subdomain No Text
/en/university/about-the-unive...No Text
https://www.uni-heidelberg.de/New window Subdomain No Text
/de/universitaet-heidelbergText duplicate Deutsch
/en/heidelberg-universityEnglish
/en/imprintImprint
/en/privacy-statementPrivacy Statement
/en/statement-on-accessibilityAccessibility
https://www.facebook.com/unihe...New window External Subdomain No Text
https://bsky.app/profile/unihe...New window External No Text
https://bawü.social/@uniheidel...New window External No Text
https://www.instagram.com/unih...New window External Subdomain No Text
https://www.linkedin.com/schoo...New window External Subdomain No Text
https://www.youtube.com/unihei...New window External Subdomain No Text
/en/imprintText duplicate Imprint
/en/privacy-statementText duplicate Privacy Statement
/en/statement-on-accessibilityText duplicate Accessibility

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://www.uni-heidelberg.de/en"
HTTP header
(Important)
The X-powered header is sent within the response header. (unnecessary)
The web server transmits the web page (HTML) in compressed form.
Performance
(Somewhat important)
The page response time is excellent with 0.14 seconds.
This page only loads 1 CSS files. That's ok.
This page only loads 1 JavaScript files. That's good!
The file size of the HTML document is fine (279 kB).

HTTP Response Header

NameValue
servernginx
dateWed, 21 May 2025 05:34:26 GMT
content-typetext/html; charset=utf-8
transfer-encodingchunked
x-powered-byExpress
cache-tags2TVk qBJu wR-K DLCQ CpOm yJuF aqAq 2Ewv dVXg 5Xz6 NGjB QBaD 9wv5 lB-I RJMM R208 JKpK i370 hu54 9Bja QtQd Uuy- tLSa PeFW WbBj PW6Y zGCx RVNQ hMH3 wVyt gq0k jt6M KlN4 z0ry eixT p_ev b5aH wBpp mheQ -_X2 KCbU 73TU 4plL FEUR XFud t7s0 Z7rH quZQ 0DHU tzoh mHGD hYt9 u8dt NIaT nvtY zDJ3 tXK6 oeQ8 BWQH VZN1 sLSD k44e nFge pHvM at9A cahf z035 GTe7 ttI7 JOT4 fN_c 4b_E Gqaa KWQU bPRm lE_1 Hwe9 jkPq sqaj kmr9 9peH ukjW 2WXm zw6J CSWl kDui yM-9 tSGm IrOp D1Qu tk2K ejrb 3rbn ZUg0 -r6x _APu 2PuR ILHA QFCy Niev C6-z DQs6 cWjO SqsR nzL5 Ozhy 0Yks GknN 92e7 Kyr1 689P B1IU V1XM AAFp NfNZ CaK4 DB3L zCJn 2ZXW elbl
cache-controlpublic, max-age=0, s-maxage=2628000
x-varnish32331761 37201154
age29
via1.1 varnish (Varnish/6.0)
x-varnish-cacheHIT
strict-transport-securitymax-age=63072000
content-encodinggzip
set-cookie106 Characters
statuscode200
http_versionHTTP/1.1

External factors

This page is referenced by wikipedia.
This website has excellent links from other websites.
This page has backlinks from 1,005 referring domains.
This page has 4,604 backlinks.
This page has backlinks from 870 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.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
# 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

Similar sites

Search preview

www.uni-heidelberg.de
Heidelberg University

Most important keywords

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

KeywordResultRecheck
Heidelberg75%Check
Heidelberg University71%Check
University68%Check
Research University55%Check
Welcome50%Check
Research43%Check
Ruperto43%Check
Carola43%Check
Footer43%Check
links43%Check
Show more keywords and terms

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