Hlrs.de - SEO Checker

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Overview of the SEO Check
Meta information
76% 
Page quality
78% 
Page structure
58% 
Link structure
65% 
Server
91% 
External factors
100% 
SEO Score
Response time
0.40 s
File size
99.60 kB
Words
886
Media files
10
Number of links
105 internal / 7 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
HLRS High Performance Computing Center Stuttgart: Home
The length of the page title is perfect. (537 pixels out of 580 max pixel length)
There are no duplicate words in the 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.hlrs.de/
There is a valid canonical link specified.
Language
(Somewhat important)
Language detected in text: en
Language defined in HTML: en-us-gb
Server location: United States of America
Wrong specification of the writing direction
The following language is defined by HTML: en-us-gb
Alternate/Hreflang Links
(Somewhat important)
A writing system was incorrectly specified in alternate links.
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
generatorTYPO3 CMS
viewportwidth=device-width, initial-scale=1
langen-us-gb
twitter:cardsummary
charsetutf-8

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Page quality

Content
(Critically important)
Words from the H1 heading are not used in the page content.
This page contains 886 words. That's ok.
26.6% of the text are stop words.
Keywords used in the page title are also used in the page content. That's good!
The page contains a listing, which indicates a good text layout.
18 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 22 words is good.
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" is provided.
This page only loads 1 JavaScript files. That's good!
Bold and strong tags
(Somewhat important)
The following tag is repeated too often: oct 19 - 23, 2026
Image SEO
(Somewhat important)
Alt text (alternative text) is correctly used on all found images.
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
...e61044635a4/dist/img/hlrs_logo_small.svgLogo HLRS
...3bbe61044635a4/dist/img/hlrs_logo_en.svgLogo HLRS
...3bbe61044635a4/dist/img/hlrs_logo_en.svgLogo HLRS
...ldenSpikeWinners_2026_web_3f0dbdf0ff.jpgBild: HLRS Congratulates Winners of the 2026 Golden Spike Awards
...processed_/a/a/csm_Hunter_472829fc7e.jpgPhoto of HLRS's Hunter supercomputer, with image of Earth weather simulation on the side of the machine.. Copyright: Julian Holzwarth/HLRS
...m_Training_Course_Kuester_f8dd8988cb.jpgPhoto of scientists participating in a training course in HLRS's Ruehle Saal
...m_CapeReviso_Intersection_de3c845c31.jpgIn this demonstration image, a machine learning algorithm identifies moving objects at a busy intersection.
...LRS-Logo_transparent_16x9_cebb74048b.pngEMAS Logo
...be61044635a4/dist/img/gcs_logo_white.svgLogo GCS
...mg/universitaet_stuttgart_logo_white.svgLogo Universität Stuttgart

Page structure

H1 heading
(Critically important)
Thirty Years, One Vision
The H1 heading is perfect.
Headings
(Important)
The structure of headings is missing one or more levels. Do not skip heading levels.
There are 36 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 Thirty Years, One Vision
H2 Founded in 1996 as Germany's first national supercomputing center, HLRS has become a pillar of the global HPC community. As we celebrate our 30th anniversary, our partners reflect on the center’s c...
H2 Latest news
H2 Solutions and computing infrastructure
H2 Training
H2 Calendar
H2 How our supercomputers are used
H2 HLRS research projects
H2 Information for HPC users
H2 Sustainability and environment
H2 Our key supporters
H3 HLRS Congratulates Winners of the 2026 Golden Spike Awards
H3 New Project Will Improve Skill Development for Research Infrastructure Staff
H3 Code Porting to Hunter Accelerates Simulations for Meteorology Research
H3 EuroCC and CASTIEL Continue in Third Phase
H3 HPC and Simulation
H3 Artificial Intelligence
H3 Visualization
H3 Our supercomputing systems
H3 Acquire new skills in HPC and AI
H3 Events Calendar
H3 Training Calendar
H3 Our next events and courses
H3 HPC for Scientific Research
H3 HPC for Industry and SME's
H3 HPC for the Public Sector
H3 Guiding the future of HPC
H3 For Current Users of HLRS Systems
H3 How to Apply for Computing Time
H3 Certified for environmental and energy management
H5 Finding and fixing bugs in parallel and GPU applications on Hunter
H5 Parallel Programming Workshop (MPI, OpenMP and Advanced Topics)
H5 Parallel Programming Workshop (Train the Trainer)
H5 Introduction to OpenMP Offloading with AMD GPUs
H5 From Innovation to Business Impact: FFplus Industry Forum & Do IT Now’s HPC Roundtable Munich
H5 Keine Übersetzung vorhanden!
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.
All internal links are not using dynamic parameters.
There are 7 external links on this page.

Found links on this page

LinkAttributesAnchor text
https://www.hlrs.de/peoplePeople
https://www.hlrs.de/eventsEvents
https://www.hlrs.de/newsNews
https://www.hlrs.de/pressPress
https://www.hlrs.de/careersCareers
/apply-for-computing-timeApply for Computing Time
/about/hlrs-in-simple-languageSimple Language
https://www.hlrs.de/de/DE
https://www.hlrs.de/IMG-ALT Logo HLRS
https://www.hlrs.de/solutionsSolutions
/solutions/types-of-computingTypes of Computing
/solutions/types-of-computing/...High-Performance Computing & Simulation
/solutions/types-of-computing/...Visualization
/solutions/types-of-computing/...Artificial Intelligence
/solutions/types-of-computing/...Quantum Computing
/solutions/systemsSystems
/solutions/systems/hunterHPE Cray EX4000 (Hunter)
/solutions/systems/hammerhaiNVIDIA GB200 NVL4 by HPE (HammerHAI)
/solutions/systems/herderHPE Cray GX5000 (Herder)
/solutions/systems/vulcanNEC Cluster (Vulcan)
/solutions/systems/hpe-apollo-...HPE Apollo 6500 Gen10 Plus (Hawk AI Expansion)
/solutions/systems/caveCAVE
/solutions/systems/hpss-data-m...HPSS Data Management
/solutions/user-supportUser Support
/solutions/user-support/mentoringMentoring
/solutions/user-support/extend...Extended User Support
/solutions/user-support/consul...Consulting
/solutions/user-support/softwa...Software Provisioning
/solutions/user-support/data-m...Data Management
/solutions/user-support/ai-sup...AI Support
/solutions/softwareSoftware
https://www.hlrs.de/user-researchUser Research
https://www.hlrs.de/projectsHLRS Projects
/training/hpc-trainingTraining
https://www.hlrs.de/industryFor Industry
https://www.hlrs.de/public-sectorPublic Sector
https://www.hlrs.de/aboutAbout
https://www.hlrs.de/for-usersFor Users
https://www.hlrs.de/searchNo Text
https://www.hlrs.de/solutionsText duplicate Solutions
/solutions/types-of-computingText duplicate Types of Computing
/solutions/types-of-computing/...Text duplicate High-Performance Computing & Simulation
/solutions/types-of-computing/...Text duplicate Visualization
/solutions/types-of-computing/...Text duplicate Artificial Intelligence
/solutions/types-of-computing/...Text duplicate Quantum Computing
/solutions/systemsText duplicate Systems
/solutions/systems/hunterText duplicate HPE Cray EX4000 (Hunter)
/solutions/systems/hammerhaiText duplicate NVIDIA GB200 NVL4 by HPE (HammerHAI)
/solutions/systems/herderText duplicate HPE Cray GX5000 (Herder)
/solutions/systems/vulcanText duplicate NEC Cluster (Vulcan)
/solutions/systems/hpe-apollo-...Text duplicate HPE Apollo 6500 Gen10 Plus (Hawk AI Expansion)
/solutions/systems/caveText duplicate CAVE
/solutions/systems/hpss-data-m...Text duplicate HPSS Data Management
/solutions/user-supportText duplicate User Support
/solutions/user-support/mentoringText duplicate Mentoring
/solutions/user-support/extend...Text duplicate Extended User Support
/solutions/user-support/consul...Text duplicate Consulting
/solutions/user-support/softwa...Text duplicate Software Provisioning
/solutions/user-support/data-m...Text duplicate Data Management
/solutions/user-support/ai-sup...Text duplicate AI Support
/solutions/softwareText duplicate Software
https://www.hlrs.de/user-researchText duplicate User Research
https://www.hlrs.de/projectsText duplicate HLRS Projects
/training/hpc-trainingText duplicate Training
https://www.hlrs.de/industryText duplicate For Industry
https://www.hlrs.de/public-sectorText duplicate Public Sector
https://www.hlrs.de/aboutText duplicate About
https://www.hlrs.de/for-usersText duplicate For Users
https://www.hlrs.de/peopleText duplicate People
https://www.hlrs.de/eventsText duplicate Events
https://www.hlrs.de/newsText duplicate News
https://www.hlrs.de/pressText duplicate Press
https://www.hlrs.de/careersText duplicate Careers
/apply-for-computing-timeText duplicate Apply for Computing Time
/about/profile/hlrs30See more
/news/detail/winners-2026-gold...HLRS Congratulates Winners of the 2026 Golden Spike Awards
https://www.hlrs.de/newsAll news
/news/detail/new-project-will-...New Project Will Improve Skill Development for Research Infrastructure Staff
/news/detail/code-porting-to-h...Code Porting to Hunter Accelerates Simulations for Meteorology Research
/news/detail/eurocc-and-castie...EuroCC and CASTIEL Continue in Third Phase
/solutions/types-of-computing/...HPC and Simulation
/solutions/types-of-computing/...Text duplicate Artificial Intelligence
/solutions/types-of-computing/...Text duplicate Visualization
/solutions/systemsLearn more
/training/hpc-trainingText duplicate Learn more
https://www.hlrs.de/eventsEvents Calendar
/training/hpc-trainingTraining Calendar
/training/2026/dbgFinding and fixing bugs in parallel and GPU applications on Hunter
/training/2026/par-hlrsParallel Programming Workshop (MPI, OpenMP and Advanced Topics)
/training/2026/par-tttParallel Programming Workshop (Train the Trainer)
/training/2026/gpu-openmp-amdIntroduction to OpenMP Offloading with AMD GPUs
/training/2026/ffplus-industry...From Innovation to Business Impact: FFplus Industry Forum & Do IT Now’s HPC Roundtable Munich
https://www.hlrs.de/user-researchHPC for Scientific Research
https://www.hlrs.de/industryHPC for Industry and SME's
https://www.hlrs.de/public-sectorHPC for the Public Sector
https://www.hlrs.de/projectsText duplicate Learn more
https://www.hlrs.de/for-usersFor Current Users of HLRS Systems
/apply-for-computing-timeHow to Apply for Computing Time
/social-responsibility/sustain...Text duplicate Learn more
https://www.bmbf.de/EN/New window External Subdomain German Federal Ministry of Research, Technology and Space
https://mwk.baden-wuerttemberg...New window External Subdomain Baden-Württemberg Ministry for Science, Research and Arts
https://de.linkedin.com/compan...New window External Subdomain No Text
https://bsky.app/profile/hlrs-...New window External No Text
https://www.youtube.com/channe...New window External Subdomain No Text
https://www.hlrs.de/newsNew window No Text
https://www.hlrs.de/contactContact & Location
https://www.gauss-centre.eu/New window External Subdomain www.gauss-centre.eu
https://www.uni-stuttgart.de/en/New window External Subdomain www.uni-stuttgart.de/en/
https://www.hlrs.de/sitemapSitemap
https://www.hlrs.de/legal-noticeLegal Notice
/privacy-noticePrivacy Notice
https://www.hlrs.de/accessibilityAccessibility

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://www.hlrs.de/"
HTTP header
(Important)
The web server version is sent within the HTTP header.
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 0.40 seconds.
This page only loads 2 CSS files. That's ok.
This page only loads 1 JavaScript files. That's good!
The file size of the HTML document is fine (100 kB).

HTTP Response Header

NameValue
dateSat, 10 Oct 2026 22:47:06 GMT
serverApache/2.4.68 (Debian)
strict-transport-securitymax-age=63072000; includeSubdomains;
content-languageen-US
cache-controlprivate, no-store, max-age=0
expiresSat, 10 Oct 2026 22:47:06 GMT
varyAccept-Encoding
content-encodinggzip
x-ua-compatibleIE=edge
x-content-type-optionsnosniff
content-length11272
content-typetext/html; charset=utf-8
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 228 referring domains.
This page has 13,900 backlinks.
This page has backlinks from 194 different ip addresses.

Links from Wikipedia

You can find more links using Wikipedia search

Robots.txt

No valid Robots.txt file was found.

Similar sites

Search preview

Most important keywords

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

KeywordResultRecheck
HLRS70%Check
Computing Center Stuttgart55%Check
Computing54%Check
Center54%Check
Performance Computing Center Stuttgart54%Check
HLRS offers53%Check
Performance Computing52%Check
One50%Check
Years50%Check
Thirty50%Check
Show more keywords and terms

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