Zib.de - SEO Checker

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Overview of the SEO Check
Meta information
65% 
Page quality
91% 
Page structure
29% 
Link structure
70% 
Server
100% 
External factors
100% 
SEO Score
Response time
0.11 s
File size
65.70 kB
Words
1556
Media files
36
Number of links
114 internal / 6 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Home | zib.de
The page title is too short. (123 pixels of 580 max pixel length) Optimize title
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)
No canonical link is specified.
Language
(Somewhat important)
Language detected in text: en
Language defined in HTML: en
Server location: Germany
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
GeneratorDrupal 10 (https://www.drupal.org)
MobileOptimizedwidth
HandheldFriendlytrue
viewportwidth=device-width, initial-scale=1.0
langen
charsetutf-8

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Page quality

Content
(Critically important)
This page contains 1556 words. That's ok.
27.7% 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.
37 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 16.24 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=1.0" is provided.
Bold and strong tags
(Somewhat important)
The usage of strong and bold tags is perfect. We recommend the use of up to 31 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)
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
...ut_Beauty_v02.01410087.jpg?itok=-t8y5qHpNo alt attribute provided
.../06-mobility_WEB_Bild5.jpg?itok=3Oo81wwlNo alt attribute provided
...ess Opaque_Bild-Start4.jpg?itok=lYncAKVDNo alt attribute provided
...Energy Transition-Bild.png?itok=lAizzslGNo alt attribute provided
...FEPP_at_pocket_surface.jpg?itok=pVEKReN7No alt attribute provided
...public/2024-05/LISE_3.jpeg?itok=r2jGbaC5No alt attribute provided
.../2024-05/Life_image002.png?itok=nYsPt9zlNo alt attribute provided
...iment, data science_0.jpeg?itok=2EGQP1aBNo alt attribute provided
.../2018_ZIB_JB_QT_Bild_1.png?itok=T-7gofARNo alt attribute provided
...ic/2024-05/Solar-Zelle.png?itok=QjvxTBeXNo alt attribute provided
.../socialnetworks-figure.jpg?itok=8F2_BM8NNo alt attribute provided
...c/2024-05/ZIB_Grid_v04.jpg?itok=bwDzEd9YNo alt attribute provided
...ndliche_Welten_800x450.png?itok=X_PN65zrEin Bild unendliche Welten
...InteractiveHeartTeaser.png?itok=W_KsyT5tDas interaktive Herz
...ramm_Quantum_Computing.png?itok=b7tUs8g1Quantum Computing
...24-06/wirkstoffpuzzle.jpeg?itok=TQSki9KPWirkstoffpuzzle
.../2025-04/MaRDI_Station.png?itok=R9xBBOitMaRDI_Station
... Computermuseum im ZIB.png?itok=GxJAl-8dDas Computermuseum im ZIB
...5-05/News-AI-Center-EN.png?itok=XpsiFtUtNews-AI-Center-EN
...Walther-Schilling-2025.jpg?itok=ZUaRDuQnMath+-Schilling-Pokutta-Walther-2025
...025-05/SYK-2025-Gruppe.jpg?itok=7-dgLl1kSYK-2025-Gruppe
...scheibung - 2025_bearb.png?itok=rf1Sm5TNApply for project funding for the digitisation of Berlin's cultural heritage
...5-04/20250408_ampd2025.png?itok=0jXk-mYY17th Annual Meeting Photonic Devices
...ic/2025-04/iaror_board.jpg?itok=i3ASg9KINiels Lindner elected as IAROR Board Member
...025-05/image001-3bearb.png?itok=Y3SQ-eC9 Edible Foundation Models
...5-05/banner_background.jpg?itok=5A_md1oKBackground for the Workshop
...ital_banner_1920x10804.jpg?itok=I9PEfPCzLange Nacht der Wissenschaften 2025
...armath_conf_2025_image.png?itok=MxY5MsD82025 European Conference on Optics for Solar Energy
.../event_images/girlsday.jpg?itok=OXlLT4XcLogo from Girl's day
...hop_2026_image_800x600.jpg?itok=wyNISB7418th Annual Meeting Photonic Devices (AMPD2026)
.../2024-07/Spine_DYN3M_3.png?itok=gY0GFhYISpine_DYN3M
...-01/mfe_plus_graphs_v2.png?itok=39Fwk1fiLogo Collective Variable
.../public/2025-01/logo_2.png?itok=q1zVJZlIInterDent 2 TP6
.../public/2024-09/Logo_3.png?itok=q-5y6k3WConvex optimisation for generalised camera
.../2024-07/snapshot_mesh.png?itok=sgYNvQ9bNanoLab G-RIPS
.../public/2024-05/tes_qt.png?itok=tXnt20XAMATH+ Thematic Einstein Semester 2024

Page structure

H1 heading
(Critically important)
Toward Sustainable Public Transport
Too many H1 headings
Headings
(Important)
The structure of headings is missing one or more levels. Do not skip heading levels.
There are 40 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 Toward Sustainable Public Transport
H1 Making Powerful AI less Opaque
H1 Mathematics for the Energy Transition
H1 Better Drugs for Severe Diseases
H1 40 Years of Excellence in High-Performance Computing
H1 Computing how life works
H1 Better Health Care with Big Data
H1 Mathematics for Quantum Technology
H1 World-Record Solar Cells
H1 Modeling Tomorrow: Computational Lens on Social Dynamics
H1 Excellent Support for Digital Science
H3 Long Night of Sciences
H3 Ein Bild, unendliche Welten: Von Gemälden bis Galaxien
H3 Das interaktive Herz
H3 Quantum Computing - Simulation von Quantenzuständen
H3 Wirkstoff-Puzzle
H3 MaRDI Station: Ein Spiel zum Thema Forschungsdatenmanagement
H3 Das Computermuseum im ZIB - Rechnergeschichte(n)
H3 News
H3 Joint Berlin Data & AI Center planned
H3 Zuse Institute Berlin Celebrates Continued Funding of MATH+ Excellence Cluster
H3 Focus on partnership: Stryker team visits ZIB and the MODAL research campus
H3 Apply for project funding for the digitisation of Berlin's cultural heritage
H3 17th Annual Meeting Photonic Devices
H3 Niels Lindner elected as IAROR Board Member
H3 Events
H3 Talk by Dr. Anirban Mukhopadhyay, TU Darmstadt
H3 MODAL Workshop 2025
H3 Long Night of the Sciences 2025
H3 2025 European Conference on Optics for Solar Energy
H3 Girls'Day am ZIB - Sei dabei!
H3 18th Annual Meeting Photonic Devices (AMPD2026)
H3 Project Selection
H3 Individualized Morphological Analysis of the Human Spine
H3 Collective Variables for Spreading Processes on Complex Networks
H3 3D morphological analysis of root canals
H3 Non-rigid shape registration
H3 NanoLab GRIPS 2024
H3 MATH+ TES QT
H3 Jobs
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 6 external links on this page.

Found links on this page

LinkAttributesAnchor text
https://zib.de/index.php/No Text
https://zib.de/deDeutsch
https://zib.de/English
https://zib.de/user/loginNo Text
https://zib.de/researchResearch
https://zib.de/research/mcs/mscpModeling and Simulation of Complex Processes
https://zib.de/research/mcs/vdccVisual and Data-Centric Computing
https://zib.de/research/mai/ais2tAI in Society, Science, and Technology
https://zib.de/research/mai/aimApplied Algorithmic Intelligence Methods
/research/mai/optimizationNetwork Optimization
https://zib.de/research/pdc/dasDistributed Algorithms
/research/pdc/supercomputing/s...Supercomputing
/research/publicationsPublications
https://zib.de/research/featuresFeatures
https://zib.de/instituteInstitute
/institute/organizationOrganization
/institute/committees-and-regu...Committees and Regulations
/research/projects/research-ca...Research Campus MODAL
https://zib.de/institute/mathMATH+
https://zib.de/institute/bifoldBIFOLD
/institute/research-networksResearch Networks
/institute/konrad-zuseKonrad Zuse
/institute/zuse-fellowsZuse Fellows
https://zib.de/research-servicesResearch Services
/research-services/itdsIT and Data Services
/research-services/nhrNHR Center@ZIB
/research-services/discDigital Data and Information for Society, Science, and Culture
/reserve/node.room/calendarRoom Reservation
/research-services/disc/zib-li...ZIB Library
https://zib.de/membersMembers
https://zib.de/training-outreachTraining & Outreach
/training-outreach/graduate-st...Graduate Students
/training-outreach/scholarshipsScholarships
/training-outreach/trainee-ope...Trainee Openings
/training-outreach/pressPress
/training-outreach/guided-toursGuided Tours
/training-outreach/alumniAlumni
https://zib.de/contactContact
https://www.instagram.com/zib_...External Subdomain No Text
https://www.youtube.com/channe...External Subdomain No Text
https://twitter.com/ZuseInstituteExternal No Text
/succses-story/toward-sustaina...Toward Sustainable Public Transport
/succses-story/making-powerful...Making Powerful AI less Opaque
/succses-story/mathematics-ene...Mathematics for the Energy Transition
/succses-story/drugs-severe-di...Better Drugs for Severe Diseases
/succses-story/40-years-excell...40 Years of Excellence in High-Performance Computing
/succses-story/computing-how-l...Computing how life works
/succses-story/better-health-c...Better Health Care with Big Data
/succses-story/mathematics-qua...Mathematics for Quantum Technology
/succses-story/solar-cellsWorld-Record Solar Cells
/succses-story/modeling-tomorr...Modeling Tomorrow: Computational Lens on Social Dynamics
/succses-story/excellent-suppo...Excellent Support for Digital Science
https://zib.de/lndwProgram & Info
/de/lndw/ein-bild-unendliche-w...Ein Bild, unendliche Welten: Von Gemälden bis Galaxien
/de/lndw/das-interaktive-herzDas interaktive Herz
/de/lndw/quantum-computing-sim...Quantum Computing - Simulation von Quantenzuständen
/de/lndw/wirkstoff-puzzleWirkstoff-Puzzle
/de/lndw/mardi-station-ein-spi...MaRDI Station: Ein Spiel zum Thema Forschungsdatenmanagement
/de/lndw/das-computermuseum-im...Das Computermuseum im ZIB - Rechnergeschichte(n)
https://zib.de/home/news-archiveNews Archive
/news/joint-berlin-data-ai-cen...Joint Berlin Data & AI Center planned
/news/zuse-institute-berlin-ce...Zuse Institute Berlin Celebrates Continued Funding of MATH+ Excellence Cluster
/news/focus-partnership-stryke...Focus on partnership: Stryker team visits ZIB and the MODAL research campus
/news/apply-project-funding-di...Apply for project funding for the digitisation of Berlin's cultural heritage
/news/17th-annual-meeting-phot...17th Annual Meeting Photonic Devices
/news/niels-lindner-elected-ia...Niels Lindner elected as IAROR Board Member
/home/events-archiveEvents Archive
/event/talk-dr-anirban-mukhopa...Talk by Dr. Anirban Mukhopadhyay, TU Darmstadt
/event/modal-workshop-2025MODAL Workshop 2025
/event/long-night-sciences-2025Long Night of the Sciences 2025
/event/2025-european-conferenc...2025 European Conference on Optics for Solar Energy
/event/girlsday-am-zib-sei-dab...Girls'Day am ZIB - Sei dabei!
/event/18th-annual-meeting-pho...18th Annual Meeting Photonic Devices (AMPD2026)
/home/projects-archiveProject Archive
/research/projects/individuali...Individualized Morphological Analysis of the Human Spine
/research/projects/collective-...Collective Variables for Spreading Processes on Complex Networks
/research/projects/3d-analysis...3D morphological analysis of root canals
/research/projects/convex-opti...Non-rigid shape registration
/research/projects/cno-grips2024NanoLab GRIPS 2024
/research/projects/cno-tes-qtMATH+ TES QT
https://zib.de/jobadvertisementMore Jobs
/jobadvertisement/wa-0525-wiss...WA 05/25 -Wissenschaftliche*r Mitarbeiter*in (w/m/d) als Zentrumsleitung im Bereich High Performance Computing (HPC)
/jobadvertisement/dsh-25-stude...DSH 25 - Studentische Hilfskraft (w/m/d)
https://zib.de/researchText duplicate Research
https://zib.de/research/mcs/mscpText duplicate Modeling and Simulation of Complex Processes
https://zib.de/research/mcs/vdccText duplicate Visual and Data-Centric Computing
https://zib.de/research/mai/ais2tText duplicate AI in Society, Science, and Technology
https://zib.de/research/mai/aimText duplicate Applied Algorithmic Intelligence Methods
/research/mai/optimizationText duplicate Network Optimization
https://zib.de/research/pdc/dasText duplicate Distributed Algorithms
/research/pdc/supercomputing/s...Text duplicate Supercomputing
/research/publicationsText duplicate Publications
https://zib.de/research/featuresText duplicate Features
https://zib.de/instituteText duplicate Institute
/institute/organizationText duplicate Organization
/institute/committees-and-regu...Text duplicate Committees and Regulations
/research/projects/research-ca...Text duplicate Research Campus MODAL
https://zib.de/institute/mathText duplicate MATH+
https://zib.de/institute/bifoldText duplicate BIFOLD
/institute/research-networksText duplicate Research Networks
/institute/konrad-zuseText duplicate Konrad Zuse
/institute/zuse-fellowsText duplicate Zuse Fellows
https://zib.de/research-servicesText duplicate Research Services
/research-services/itdsText duplicate IT and Data Services
/research-services/nhrText duplicate NHR Center@ZIB
/research-services/discText duplicate Digital Data and Information for Society, Science, and Culture
/reserve/node.room/calendarText duplicate Room Reservation
/research-services/disc/zib-li...Text duplicate ZIB Library
https://zib.de/training-outreachText duplicate Training & Outreach
/training-outreach/graduate-st...Text duplicate Graduate Students
/training-outreach/scholarshipsText duplicate Scholarships
/training-outreach/trainee-ope...Text duplicate Trainee Openings
/training-outreach/pressText duplicate Press
/training-outreach/guided-toursText duplicate Guided Tours
/training-outreach/alumniText duplicate Alumni
/index.php/impressumLegal Notice and Data Protection
https://zib.de/index.php/contactText duplicate Contact
https://www.instagram.com/zib_...External Subdomain No Text
https://www.youtube.com/channe...External Subdomain No Text
https://twitter.com/ZuseInstituteExternal No Text

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://zib.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 0.11 seconds.
The file size of the HTML document is fine (66 kB).

HTTP Response Header

NameValue
dateThu, 05 Jun 2025 06:28:16 GMT
content-typetext/html; charset=UTF-8
x-xss-protection1; mode=block
x-frame-optionsSAMEORIGIN
x-content-type-optionsnosniff
strict-transport-securitymax-age=31536000; includeSubDomains
referrer-policystrict-origin
permissions-policyinterest-cohort=()
cache-controlmax-age=3600, public
x-drupal-dynamic-cacheUNCACHEABLE (poor cacheability)
content-languageen
expiresSun, 19 Nov 1978 05:00:00 GMT
last-modifiedThu, 05 Jun 2025 06:02:39 GMT
etag"1749103359-gzip"
varyCookie,Accept-Encoding
x-generatorDrupal 10 (https://www.drupal.org)
x-drupal-cacheHIT
content-encodinggzip
statuscode200
http_versionHTTP/2

External factors

This page is referenced by wikipedia.
This website has excellent links from other websites.
This page has backlinks from 166 referring domains.
This page has 392 backlinks.
This page has backlinks from 65 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.md
Disallow: /composer/Metapackage/README.txt
Disallow: /composer/Plugin/ProjectMessage/README.md
Disallow: /composer/Plugin/Scaffold/README.md
Disallow: /composer/Plugin/VendorHardening/README.txt
Disallow: /composer/Template/README.txt
Disallow: /modules/README.txt
Disallow: /sites/README.txt
Disallow: /themes/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
Disallow: /media/oembed
Disallow: /*/media/oembed
# 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
Disallow: /index.php/media/oembed
Disallow: /index.php/*/media/oembed

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Most important keywords

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

KeywordResultRecheck
ZIB70%Check
am ZIB58%Check
Day am ZIB54%Check
Public52%Check
Sustainable50%Check
Computing46%Check
Energy46%Check
Quantum46%Check
MATH46%Check
Solar46%Check
Show more keywords and terms

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