Casa.rub.de - SEO Checker

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Overview of the SEO Check
Meta information
100% 
Page quality
58% 
Page structure
79% 
Link structure
92% 
Server
91% 
External factors
100% 
SEO Score
Response time
0.12 s
File size
97.50 kB
Words
422
Media files
4
Number of links
62 internal / 2 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Cyber Sicherheit in Zeiten großskaliger Angreifer
The length of the page title is perfect. (434 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
CASA - bahnbrechende IT-Sicherheitsforschung: Innovativ, holistisch, interdisziplinär: Wirkungsvolle Maßnahmenentwicklung gegen große Cyber-Angriffe.
The length of the meta description is perfect. (950 pixels out of 1000 max pixel length)
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
https://casa.rub.de/
There is a valid canonical link specified.
Language
(Somewhat important)
Language detected in text: de
Language defined in HTML: de-de
Server location: Germany
The following language is defined by HTML: de-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)
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
descriptionCASA - bahnbrechende IT-Sicherheitsforschung: Innovativ, holistisch, interdisziplinär: Wirkungsvolle Maßnahmenentwicklung gegen große Cyber-Angriffe.
robotsindex,follow
viewportwidth=device-width,initial-scale=1
langde-de
twitter:cardsummary
twitter:titleCyber Sicherheit in Zeiten großskaliger Cyber-Angriffe
twitter:descriptionCASA - bahnbrechende IT-Sicherheitsforschung: Innovativ, holistisch, interdisziplinär: Wirkungsvolle Maßnahmenentwicklung gegen große Cyber-Angriffe.
og:titleCyber Sicherheit in Zeiten großskaliger Cyber-Angriffe
og:descriptionCASA - bahnbrechende IT-Sicherheitsforschung: Innovativ, holistisch, interdisziplinär: Wirkungsvolle Maßnahmenentwicklung gegen große Cyber-Angriffe.
og:typewebsite
og:urlhttps://casa.rub.de/
og:site_nameCASA - Cyber Security in the Age of Large-Scale Adversaries
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 only 422 words on this page. Good pages should have about 800 words of useful content.
21.3% of the text are stop words.
The page contains a listing, which indicates a good text layout.
7 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 14.09 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.
Bold and strong tags
(Somewhat important)
The usage of strong and bold tags is perfect. We recommend the use of up to 8 tags for this page.
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
/fileadmin/img/logo-rub.svgRuhr-Uni-Bochum
...cessed_/e/9/csm_team-foto_d0e03e2e0b.jpgSechuman
...SA_Portraits_Sameer_Patil_5141400470.jpgSameer Patil
...School25_Mittwoch_72dpi-5_cea12f4602.jpgEin Gruppenbild der Teilnehmer*innen der CASA RC Trust Summer School 2025

Page structure

H1 heading
(Critically important)
Exzellenzcluster CASA
The H1 heading is perfect.
Headings
(Important)
The structure of headings is missing one or more levels. Do not skip heading levels.

Heading structure

Heading levelContent
H1 Exzellenzcluster CASA
H2 News von CASA
H2 CASA in den Medien
H2 Publikationen & Auszeichnungen
H2 Compiled Nonlocal Games from any Trapdoor Claw-Free Function
H2 Making Web Applications GDPR Compliant: A Comparative Evaluation of GDPR-Enforcement Frameworks
H2 Liberating Libraries through Automated Fuzz Driver Generation: Striking a Balance without Consumer Code
H2 Veranstaltungen
H2 Rückblick auf vergangene Veranstaltungen
H4 Kaniuar Bacho, Alexander Kulpe, Giulio Malavolta, Simon Schmidt, Michael Walter
H4 Felix Kalinowski, David Klein, Martin Johns, Veelasha Moonsamy
H4 Flavio Toffalini, Nicolas Badoux, Zurab Tsinadze, Mathias Payer
Some internal link anchor texts are too long.
1 links don't have an anchor text.
The number of internal links is ok.
Every linktext is unique.
All internal links are not using dynamic parameters.
There are 2 external links on this page.

Found links on this page

LinkAttributesAnchor text
https://www.ruhr-uni-bochum.de/deNew window External Subdomain IMG-ALT Ruhr-Uni-Bochum
https://casa.rub.de/DE
https://casa.rub.de/en/EN
https://casa.rub.de/A-TITLE CASA Cyber Security
https://casa.rub.de/ueber-casaÜber CASA
/ueber-casa/teamTeam
/ueber-casa/managementManagement
/ueber-casa/netzwerkNetzwerk
/ueber-casa/beteiligte-einrich...Beteiligte Einrichtungen
/ueber-casa/awardsAwards
https://casa.rub.de/forschungForschung
/forschung/publikationenPublikationen
/forschung/rh-a-kryptographie-...Kryptographie der Zukunft
/forschung/rh-b-eingebettete-s...Eingebettete Sicherheit
/forschung/rh-c-sichere-systemeSichere Systeme
/forschung/rh-d-benutzerfreund...Benutzerfreundlichkeit
/forschung/transfer-labTransfer Lab
https://casa.rub.de/jobsKarriere
/jobs/stellen-fuer-phds-und-po...PhD & PostDocs
/jobs/casa-jump-start-program-...CASA Jump.Start Program for Postdocs
https://casa.rub.de/jobs/officeCASA Office Team
/chancengleichheit/women-in-it...Women in IT Security
https://casa.rub.de/nachwuchsNachwuchs
/nachwuchs/casa-graduate-schoolCASA Graduate School
/nachwuchs/postdoc-programmPostdoc-Programm
/nachwuchs/junior-faculty-prog...Junior Faculty-Programm
/nachwuchs/professional-prepar...Professional Preparation-Programm
/chancengleichheitChancengleichheit
/chancengleichheit/casa-for-womenCASA for Women
/chancengleichheit/casa-for-fa...CASA for Families
/chancengleichheit/mentoringDiversity Mentoring
/chancengleichheit/kinderbetre...Kinderbetreuung
/chancengleichheit/dual-careerDual Career
https://casa.rub.de/outreachOutreach
https://casa.rub.de/jobs/storiesCASA Stories
/veranstaltungen/cybarsecurityCyBARsecurity
/outreach/wissenschaftscomicsWissenschaftscomics
/outreach/podcastsPodcasts
/outreach/kunstinstallation-di...Kunstinstallation DIS/PLAY
/outreach/kuenstlerresidenzKünstlerresidenz
/outreach/wissenschaftsmagazin...Wissenschaftsmagazin Rubin
/outreach/coloring-bookColoring Book
/veranstaltungenVeranstaltungen
/veranstaltungen/wisc-workshopWISC Workshop
/veranstaltungen/casa-summer-s...CASA RC Trust Summer School 2025
/veranstaltungen/distinguished...CASA Distinguished Lectures
https://casa.rub.de/newsNews
/news/eigene-newsEigene News
/news/in-den-medienMedienecho
/news/social-mediaSocial Media
/ueber-casa/team100
/forschung/publikationen532
/ueber-casa/awards12
/news/casa/casa-distinguished-...CASA Distinguished Lecture mit Sameer Patil (University of Utah)
IMG-ALT Sameer Patil
A-TITLE CASA Distinguished Lecture mit Sameer Patil (University of Utah)
/news/casa/casa-rc-trust-summe...CASA RC Trust Summer School 2025: AI and Security
IMG-ALT Ein Gruppenbild der Teilnehmer*innen der CASA RC Trust Summer School 2025
A-TITLE CASA RC Trust Summer School 2025: AI and Security
https://casa.rub.de/newsWeitere Neuigkeiten
https://cyberpress.org/opossum...New window External cyberpress.org Opossum” Attack Breaks Secure TLS Channels with Malicious Message Injection A team of cybersecurity researchers from multiple German instituti...
A-TITLE cyberpress.org
/news/in-den-medienWeitere Berichte
/forschung/publikationen/detai...Compiled Nonlocal Games from any Trapdoor Claw-Free Function 07/2025 Konferenz / Journal: Autor*innen: Kaniuar Bacho, Alexander Kulpe, Giulio Malavolta, Simo...
A-TITLE Compiled Nonlocal Games from any Trapdoor Claw-Free Function
/forschung/publikationen/detai...Making Web Applications GDPR Compliant: A Comparative Evaluation of GDPR-Enforcement Frameworks 07/2025 Konferenz / Journal: Autor*innen: Felix Kalinowski, D...
A-TITLE Making Web Applications GDPR Compliant: A Comparative Evaluation of GDPR-Enforcement Frameworks
/forschung/publikationen/detai...Liberating Libraries through Automated Fuzz Driver Generation: Striking a Balance without Consumer Code 06/2025 Konferenz / Journal: Autor*innen: Flavio Toff...
A-TITLE Liberating Libraries through Automated Fuzz Driver Generation: Striking a Balance without Consumer Code
/forschung/publikationenPublikationen finden
/ueber-casa/awardsmehr erfahren
/news/casa/casa-distinguished-...Subdomain No Text

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://casa.rub.de/"
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 0.12 seconds.
The file size of the HTML document is fine (98 kB).

HTTP Response Header

NameValue
servernginx
dateSun, 27 Jul 2025 21:53:19 GMT
content-typetext/html; charset=utf-8
content-length26066
x-powered-byPHP/8.1.33
content-languagede
cache-controlmax-age=0
expiresSun, 27 Jul 2025 21:53:19 GMT
varyAccept-Encoding
content-encodinggzip
x-ua-compatibleIE=edge
x-content-type-optionsnosniff
strict-transport-securitymax-age=15768000; includeSubDomains
statuscode200
http_versionHTTP/2

External factors

This website has excellent links from other websites.
This page has backlinks from 64 referring domains.
This page has 155 backlinks.
This page has backlinks from 61 different ip addresses.

Links from Wikipedia

No links from Wikipedia were found.

Robots.txt

User-agent: *
Disallow: /typo3/
Disallow: /typo3_src/
Allow: /typo3/sysext/frontend/Resources/Public/*
Sitemap: https://casa.rub.de/sitemap.xml
Sitemap: https://casa.rub.de/en/sitemap.xml

Similar sites

Search preview

casa.rub.de
Cyber Sicherheit in Zeiten großskaliger Angreifer
CASA - bahnbrechende IT-Sicherheitsforschung: Innovativ, holistisch, interdisziplinär: Wirkungsvolle Maßnahmenentwicklung gegen große Cyber-Angriffe.

Most important keywords

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

KeywordResultRecheck
CASA81%Check
Exzellenzcluster CASA67%Check
CASA Distinguished59%Check
Sicherheit58%Check
Cyber58%Check
Cyber Sicherheit58%Check
Exzellenzcluster50%Check
Forschung46%Check
Cyber Security46%Check
DIS46%Check
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