Viro.meduniwien.ac.at - SEO Checker

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Overview of the SEO Check
Meta information
79% 
Page quality
79% 
Page structure
75% 
Link structure
88% 
Server
62% 
External factors
15% 
SEO Score
Response time
0.43 s
File size
37.10 kB
Words
706
Media files
4
Number of links
41 internal / 8 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Zentrum für Virologie | MedUni Wien
The length of the page title is perfect. (323 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://viro.meduniwien.ac.at/
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)
The specified alternate links have no errors.
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
generatorTYPO3 CMS
viewportwidth=device-width, initial-scale=1, maximum-scale=1
authorMedizinischen Universität Wien
robotsindex,follow
googlenotranslate
apple-mobile-web-app-capableno
format-detectiontelephone=no
langde
twitter:cardsummary
twitter:titleZentrum für Virologie | MedUni Wien
twitter:descriptionEmpty
twitter:image0:srchttps://www.meduniwien.ac.at
og:typewebsite
og:site_nameMedizinischen Universität Wien
og:titleZentrum für Virologie | MedUni Wien
og:urlhttps://www.meduniwien.ac.at//
og:imagehttps://www.meduniwien.ac.at
og:descriptionEmpty
x-ua-compatibleIE=edge
charsetutf-8

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Page quality

Content
(Critically important)
This page contains 706 words. That's ok.
35.3% 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.
16 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 22.36 words is good.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
No Apple touch icon is specified.
This page loads 13 JavaScript files. This may affect the load time negatively.
A viewport "width=device-width, initial-scale=1, maximum-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 14 tags for this page.
Image SEO
(Somewhat important)
1 images have no alt attribute. The content of alt attributes is used by search engines.
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
...DE_Zentrum_fuer_Virologie_327e294c8b.pngZentrum für VirologieZentrum für Virologie
...sed_/d/a/csm_ElPu_560x420_5428c803cb.jpgNo alt attribute provided
.../7/csm_logo_meduniwien_de_28a948687a.pngMedizinische Universität WienMedizinische Universität Wien
...mplate/logos/WIGEV_2020_DE_INVERS_64.pngUniversitätsklinikum AKH WienUniversitätsklinikum AKH Wien

Page structure

H1 heading
(Critically important)
Zentrum für Virologie
The H1 heading is perfect.
Headings
(Important)
The structure of headings is missing one or more levels. Do not skip heading levels.
Some headings do not have any content.

Heading structure

Heading levelContent
H1 Zentrum für Virologie
H2 Das Zentrum für Virologie betreibt Forschung an humanpathogenen Viren, Lehre und klinische Virologie
H2 Medical Scientific Fund of the Mayor of the City of Vienna funding for David Springer
H2 Gratulation zur Habilitation
H2 David Springer received ESCV Poster Award
H2 EU funding for Judith Aberle and Karin Stiasny
H3 Wir nutzen Cookies
H5 Empty heading
Some anchor texts are used more than once.
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 8 external links on this page.

Found links on this page

LinkAttributesAnchor text
https://viro.meduniwien.ac.at/Anchor Skip to main content
https://viro.meduniwien.ac.at/en/English
https://viro.meduniwien.ac.at/en/Text duplicate English
https://viro.meduniwien.ac.at/Anchor Über Uns
/ueber-uns/das-zentrum/Das Zentrum
/ueber-uns/news/News
/ueber-uns/kontakt/Kontakt
https://viro.meduniwien.ac.at/Anchor Informationen für Patient:innen und Zuweiser:innen
/informationen-fuer-patientinn...Diagnostik
/informationen-fuer-patientinn...Service & Informationen
/informationen-fuer-patientinn...Virologische Ambulanz
https://viro.meduniwien.ac.at/Anchor Studium, Aus- und Weiterbildung
/studium-aus-und-weiterbildung...Lehrveranstaltungen
https://viro.meduniwien.ac.at/Anchor Forschung
/forschung/uebersicht/Übersicht
/forschung/research-groups/Research Groups
/forschung/referenzlabor/Referenzlabor
/forschung/virus-epidemiologie-2/Virus-Epidemiologie
https://www.meduniwien.ac.at/web/New window External Subdomain MedUni Wien
https://www.akhwien.at/New window External Subdomain AKH Wien
https://viro.meduniwien.ac.at/IMG-ALT Zentrum für Virologie
A-TITLE Zentrum für Virologie
/forschung/virus-epidemiologie...Virusepidemiologische Forschung
/fileadmin/content/OE/virologi...Zuweisungsschein
/ueber-uns/news/Text duplicate News
/ueber-uns/news/Alle News
/ueber-uns/news/news/medical-s...A-TITLE Medical Scientific Fund of the Mayor of the City of Vienna funding for David Springer
/ueber-uns/news/news/medical-s...Text duplicate Medical Scientific Fund of the Mayor of the City of Vienna funding for David Springer
A-TITLE Medical Scientific Fund of the Mayor of the City of Vienna funding for David Springer
/ueber-uns/news/news/gratulati...Gratulation zur Habilitation
A-TITLE Gratulation zur Habilitation
/ueber-uns/news/news/david-spr...David Springer received ESCV Poster Award
A-TITLE David Springer received ESCV Poster Award
/ueber-uns/news/news/eu-fundin...EU funding for Judith Aberle and Karin Stiasny
A-TITLE EU funding for Judith Aberle and Karin Stiasny
https://www.meduniwien.ac.at/web/New window External Subdomain IMG-ALT Medizinische Universität Wien
A-TITLE Medizinische Universität Wien
https://www.akhwien.at/New window External Subdomain IMG-ALT Universitätsklinikum AKH Wien
A-TITLE Universitätsklinikum AKH Wien
/ueber-uns/das-zentrum/Text duplicate Das Zentrum
A-TITLE Das Zentrum
/ueber-uns/news/Text duplicate News
A-TITLE News
/ueber-uns/kontakt/Text duplicate Kontakt
A-TITLE Kontakt
/informationen-fuer-patientinn...Text duplicate Diagnostik
A-TITLE Diagnostik
/informationen-fuer-patientinn...Text duplicate Service & Informationen
A-TITLE Service & Informationen
/informationen-fuer-patientinn...Text duplicate Virologische Ambulanz
A-TITLE Virologische Ambulanz
/studium-aus-und-weiterbildung...Text duplicate Lehrveranstaltungen
A-TITLE Lehrveranstaltungen
/forschung/uebersicht/Text duplicate Übersicht
A-TITLE Übersicht
/forschung/research-groups/Text duplicate Research Groups
A-TITLE Research Groups
/forschung/referenzlabor/Text duplicate Referenzlabor
A-TITLE Referenzlabor
/forschung/virus-epidemiologie-2/Text duplicate Virus-Epidemiologie
A-TITLE Virus-Epidemiologie
https://www.meduniwien.ac.at/w...New window External Subdomain Zu den offenen Stellen
A-TITLE Zu den offenen Stellen
https://www.meduniwien.ac.at/w...New window External Subdomain Rechtliches
A-TITLE Rechtliches
/ueber-uns/kontakt/Text duplicate Kontakt
A-TITLE Kontakt
https://viro.meduniwien.ac.at/Anchor Cookie-Einstellungen
A-TITLE Cookie-Einstellungen
https://www.meduniwien.ac.at/w...New window External Subdomain Impressum
A-TITLE Impressum
https://www.meduniwien.ac.at/w...New window External Subdomain Datenschutz
A-TITLE Datenschutz

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://viro.meduniwien.ac.at/"
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 of 0.43 seconds is longer than the recommended limit of 0.4 seconds. A high response time unnecessarily slows down search engine crawling and results in bad user experience as well.
This page loads 5 CSS files. This may affect the page load time negatively.
This page loads 13 JavaScript files. This may affect the load time negatively.
The file size of the HTML document is fine (37 kB).

HTTP Response Header

NameValue
dateTue, 21 Apr 2026 01:18:46 GMT
serverApache
x-powered-byPHP/8.3.29
content-languagede-AT
cache-controlprivate, no-store
varyAccept-Encoding
expiresTue, 21 Apr 2026 01:18:46 GMT
content-encodinggzip
x-ua-compatibleIE=edge
x-content-type-optionsnosniff
content-length7919
content-typetext/html; charset=utf-8
statuscode200
http_versionHTTP/1.1

External factors

This page has only a few links from other websites.
This page only has backlinks from 5 referring domains.
This page only has 6 backlinks.
This page only has few backlinks from 5 different ip addresses.

Links from Wikipedia

No links from Wikipedia were found.

Robots.txt

User-agent: *
Allow: /
Disallow: /typo3/

Sitemap: https://viro.meduniwien.ac.at/sitemap.xml
Sitemap: https://viro.meduniwien.ac.at/en/sitemap.xml

User-agent: AhrefsBot
Disallow: /

User-agent: DotBot
Disallow: /

User-agent: MJ12bot
Disallow: /

User-agent: Nekstbot
Disallow: /

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Search preview

Most important keywords

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

KeywordResultRecheck
Virologie72%Check
Zentrum72%Check
Wien63%Check
MedUni Wien61%Check
am Zentrum54%Check
Universität Wien51%Check
Forschung43%Check
David43%Check
Springer43%Check
funding43%Check
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