Sc.ibi.ethz.ch - SEO Checker

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Overview of the SEO Check
Meta information
80% 
Page quality
77% 
Page structure
31% 
Link structure
66% 
Server
91% 
External factors
100% 
SEO Score
Response time
0.21 s
File size
72.00 kB
Words
696
Media files
14
Number of links
39 internal / 35 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Startseite – Nachhaltiges Bauen | ETH Zürich
The length of the page title is perfect. (406 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://sc.ibi.ethz.ch/
There is a valid canonical link specified.
Language
(Somewhat important)
Language detected in text: de
Language defined in HTML: de
Server location: Switzerland
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)
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, initial-scale=1
format-detectiontelephone=no
SystemueberwachungETHZ
ethz_lmd2025-05-26T09:17:10.274Z
pagetypeweb
msapplication-TileColor#215CAF
theme-color#215CAF
apple-mobile-web-app-status-bar-style#215CAF-translucent
apple-mobile-web-app-capableyes
msapplication-TileImagehttps://ethz.ch/etc/designs/ethz/img/icons/ETH-APP-Icons-Theme-white/144-xxhdpi.png
content-languagede
apple-mobile-web-app-titleStartseite – Nachhaltiges Bauen | ETH Zürich
langde
og:urlhttps://sc.ibi.ethz.ch/
og:titleStartseite
og:site_nameNachhaltiges Bauen
og:imagehttps://sc.ibi.ethz.ch/_jcr_content/pageimages/image.imageformat.lightbox.2117100308.jpg
og:image:altMaterialexperimente
charsetutf-8

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Page quality

Content
(Critically important)
There are 2 text duplicates on this page:
  • Duplicate: Nimm teil am nächsten: CAS Regenerative Materials - Hygrothermal Speci...
The average number of words per sentence of 29 words is high.
This page contains 696 words. That's ok.
29.2% 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.
13 paragraphs were found on this page.
The text content is perfect.
No placeholders texts or images were found.
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)
Some tags are too long. With 84 characters this one is longer than 70 characters:
"nimm teil am nächsten: cas regenerative materials - hygrothermal specialisation 2025"
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
...imageformat.contentteaser.1021762732.pngHands-On | Bio-Based Insulations
....imageformat.contentteaser.175739396.pngPortrait Renaud Haerlingen
...imageformat.contentteaser.1029859050.jpgWorkshop
....imageformat.contentteaser.252374139.jpgFlyer MAS ETH in Regenerative Systems
....imageformat.contentteaser.464510171.jpgImage of the Field Trip
....imageformat.contentteaser.736394991.jpgPublic Lecture
....imageformat.contentteaser.999011402.jpgNach einem Erdrutsch wird die Autobahn aufgeräumt neben einen Fluss in einem Tal
....imageformat.contentteaser.571485093.jpgMareike
...imageformat.text50percent.1604280210.pngWelcome to the Sustainable Built Environment Conference in Zürich!
...imageformat.text50percent.1288190454.jpgLogo
...age/image.imageformat.336.1152699352.jpgRecource
...ge.imageformat.textdouble.1053643682.pngLogo
...ge.imageformat.textsingle.1372596944.pngNo alt attribute provided
...ge.imageformat.textsingle.1933666522.pngLinkedIn Icon

Page structure

H1 heading
(Critically important)
Hauptinhalt
Too many H1 headings
The H1 heading consists of only one word. There should be more information given.
The H1 heading is too short (11 characters). It should be at least 20 Characters long.
Headings
(Important)
Some headings occur twice on the page.
There are 27 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 Hauptinhalt
H1 Professur für Nachhaltiges Bauen
H1 Aktuell
H1 Konferenz SBE 25
H1 CAS Regenerative Materials - Hygrothermal Specialisation 2025
H1 Weitere Informationen
H2 Nachhaltiges Bauen
H2 CAS ETH Regenerative Materials - Neues Video: Hands-On | Biobasierte Dämmstoffe
H2 CAS ETH Regenerative Materialien - Nächste öffentliche Vorlesung
H2 Efficient? The History and Future of Architectural Performance
H2 Final MAS module starting May 1st: MAS ETH in Regenerative Systems
H2 Application period for its 2nd edition in June ‘25: CAS ETH in Regenerative Systems: Sustainability to Regeneration
H2 CAS ETH Regenerative Materials - Next public lectures
H2 Wir können beruhigt sein
H2 Willkommen Mareike Thiedeitz
H2 Footer
H3 Hauptnavigation
H3 Services
H3 Suche
H3 Departemente
H3 Sprachauswahl
H3 Besuchen Sie den Lehrstuhl für Nachhaltiges Bauen auf LinkedIn
H3 Suche Duplicate text
H3 Services Duplicate text
H3 Departemente Duplicate text
H3 Inhaltsverzeichnis und Rechtliches
H4 Informationsveranstaltung Masterthesis und Masterprojekt Themen für das Herbstsemester 2025
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.
3 links don't have an anchor text.
There are 1 links with a trivial anchor text.
The number of internal links is ok.
None of the anchor texts is too long.
There are too many external links (35) on this page.

Found links on this page

LinkAttributesAnchor text
https://sc.ibi.ethz.ch/Startseite
A-TITLE Direkt auf die Startseite springen
https://sc.ibi.ethz.ch/Anchor Navigation
A-TITLE Direkt zur Navigation springen
/utils/search.htmlSubdomain Suche
A-TITLE Direkt zur Suche springen
https://sc.ibi.ethz.ch/Anchor Inhalt
A-TITLE Direkt zum Inhalt springen
https://sc.ibi.ethz.ch/Anchor Footer
A-TITLE Direkt zum Footer springen
/utils/kontakt.htmlKontakt
A-TITLE Direkt zu Kontakt springen
/footer/inhaltsverzeichnis.htmlInhaltsverzeichnis
A-TITLE Inhaltsverzeichnis
https://ethz.ch/de.htmlExternal A-TITLE Zur Startseite der ETH Zürich
https://sc.ibi.ethz.ch/Nachhaltiges Bauen
A-TITLE Startseite
https://sc.ibi.ethz.ch/Text duplicate Startseite
/aktuell-info.htmlAktuell
/ueber-uns.htmlÜber uns
/personen.htmlPersonen
/forschung.htmlForschung
/studium.htmlLehre
/publikationen.htmlPublikationen
/service.htmlService
https://ethz.ch/students/de.htmlExternal Studierendenportal
https://www.alumni.ethz.ch/External Subdomain Alumni-Vereinigung
https://ethz.ch/staffnet/de.htmlExternal Staffnet
/utils/kontakt.htmlText duplicate Kontakt
A-TITLE Öffnet eine Kontaktseite
/login/de.html?resource=/conte...Login
A-TITLE Login mit ETH Userkonto
/utils/search.htmlNo Text
https://ethz.ch/de.htmlExternal ETH Zürich
A-TITLE Zur Startseite der ETH Zürich
https://baug.ethz.ch/External Subdomain D-BAUG
A-TITLE Departement Bau, Umwelt und Geomatik
https://ibi.ethz.ch/External Subdomain IBI
A-TITLE Institut für Bau- und Infrastrukturmanagement
https://sc.ibi.ethz.ch/Text duplicate Nachhaltiges Bauen
/aktuell/2025/04/cas-eth-publi...CAS ETH Regenerative Materials - Neues Video: Hands-On | Biobasierte Dämmstoffe
/aktuell/2025/04/cas-eth-publi...CAS ETH Regenerative Materialien - Nächste öffentliche Vorlesung
/aktuell/2025/04/Souviron_Work...Efficient? The History and Future of Architectural Performance
/aktuell/2025/04/mas-eth-regen...Final MAS module starting May 1st: MAS ETH in Regenerative Systems
/aktuell/2025/04/application-c...Application period for its 2nd edition in June ‘25: CAS ETH in Regenerative Systems: Sustainability to Regeneration
/aktuell/2025/04/cas-eth-publi...CAS ETH Regenerative Materials - Next public lectures
https://baug.ethz.ch/news-und-...External Subdomain Wir können beruhigt sein
/aktuell/2025/03/Mareike.htmlWillkommen Mareike Thiedeitz
https://sbe.ethz.ch/External Subdomain Weitere Informationen
A-TITLE SBE25
/aktuell/2024/02/ReSource-the-...No Text
/en/education/continuing-educa...Weitere Informationen zum Programm
https://sce.ethz.ch/en/program...External Subdomain Anmeldeinformationen
/ueber-uns.htmlTrivial anchor text
Weiterlesen
https://ethz.ch/content/dam/et...New window External IMG-ALT Recource
/en/education/continuing-educa...Subdomain Text duplicate Weitere Informationen zum Programm
https://sce.ethz.ch/en/program...External Subdomain Text duplicate Anmeldeinformationen
https://ethz.ch/content/dam/et...New window External Download Themen können hier eingesehen werden (PDF, 8 MB)
/ueber-uns/offene-stellen.htmlNo Text
https://vimeo.com/ethzscExternal URL anchor text
externe Seite https://vimeo.com/ethzsc
https://www.linkedin.com/compa...External Subdomain IMG-ALT LinkedIn Icon
https://ethz.ch/students/de.htmlExternal Text duplicate Studierendenportal
https://www.alumni.ethz.ch/External Subdomain Text duplicate Alumni-Vereinigung
https://ethz.ch/staffnet/de.htmlExternal Text duplicate Staffnet
/utils/kontakt.htmlText duplicate Kontakt
A-TITLE Öffnet eine Kontaktseite
/login/de.html?resource=/conte...Text duplicate Login
A-TITLE Login mit ETH Userkonto
https://arch.ethz.ch/External Subdomain D-ARCH Architektur
https://baug.ethz.ch/External Subdomain D-BAUG Bau, Umwelt und Geomatik
https://biol.ethz.ch/External Subdomain D-BIOL Biologie
https://bsse.ethz.ch/External Subdomain D-BSSE Biosysteme
https://chab.ethz.ch/External Subdomain D-CHAB Chemie und Angewandte Biowissenschaften
https://eaps.ethz.ch/External Subdomain D-EAPS Erd-​ und Planetenwissenschaften
https://gess.ethz.ch/External Subdomain D-GESS Geistes-, Sozial- und Staatswissenschaften
https://hest.ethz.ch/External Subdomain D-HEST Gesundheitswissenschaften und Technologie
https://inf.ethz.ch/de/External Subdomain D-INFK Informatik
https://ee.ethz.ch/de/External Subdomain D-ITET Informationstechnologie und Elektrotechnik
https://math.ethz.ch/External Subdomain D-MATH Mathematik
https://mat.ethz.ch/External Subdomain D-MATL Materialwissenschaft
https://mavt.ethz.ch/de/External Subdomain D-MAVT Maschinenbau und Verfahrenstechnik
https://mtec.ethz.ch/External Subdomain D-MTEC Management, Technologie und Ökonomie
https://www.phys.ethz.ch/de/External Subdomain D-PHYS Physik
https://usys.ethz.ch/External Subdomain D-USYS Umweltsystemwissenschaften
/footer/inhaltsverzeichnis.htmlText duplicate Inhaltsverzeichnis
A-TITLE Inhaltsverzeichnis
/footer/impressum.htmlImpressum
A-TITLE Impressum
/footer/barrierefreiheitserkla...Erklärung zur Barrierefreiheit
A-TITLE Erklärung zur Barrierefreiheit
/footer/disclaimer-copyright.htmlDisclaimer & Copyright
A-TITLE Disclaimer & Copyright
/footer/datenschutz.htmlDatenschutz
A-TITLE Datenschutz
http://www.ethz.ch/External Subdomain Eidgenössische Technische Hochschule Zürich

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://sc.ibi.ethz.ch/"
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 0.21 seconds.
The file size of the HTML document is fine (72 kB).

HTTP Response Header

NameValue
dateMon, 26 May 2025 16:58:13 GMT
x-content-type-optionsnosniff
content-typetext/html;charset=utf-8
cache-controlmax-age=3600
content-encodinggzip
varycookie, Accept-Encoding
age0
x-ratelimit-remaining19
x-powered-byETH Informatikdiensten
x-delievered-fromZentrum
strict-transport-securitymax-age=63072000
content-security-policyframe-ancestors 'self'
x-frame-optionssameorigin
accept-rangesbytes
statuscode200
http_versionHTTP/2

External factors

This website has excellent links from other websites.
This page has backlinks from 68 referring domains.
This page has 236 backlinks.
This page has backlinks from 65 different ip addresses.

Links from Wikipedia

No links from Wikipedia were found.

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
ETH70%Check
ETH Zürich60%Check
ETH Regenerative60%Check
ETH Regenerative Materials55%Check
ETH Regenerative Systems55%Check
Nachhaltiges54%Check
Bauen54%Check
Nachhaltiges Bauen54%Check
Inhalt54%Check
Startseite Nachhaltiges Bauen54%Check
Show more keywords and terms

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