Chab.ethz.ch - SEO Checker

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Overview of the SEO Check
Meta information
59% 
Page quality
75% 
Page structure
20% 
Link structure
61% 
Server
45% 
External factors
100% 
SEO Score
Response time
0.12 s
File size
78.90 kB
Words
672
Media files
17
Number of links
45 internal / 45 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Homepage - Departement Chemie und Angewandte Biowissenschaften – Departement Chemie und Angewandte Biowissenschaften | ETH Zürich
The page title should be shorter than 580 pixels. It is 1302 pixels long. Optimize title
There are word repetitions in the page 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://chab.ethz.ch/
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
viewportwidth=device-width, initial-scale=1
format-detectiontelephone=no
SystemueberwachungETHZ
ethz_lmd2024-09-02T12:08:20.213Z
pagetypeweb
msapplication-TileColor#007894
theme-color#007894
apple-mobile-web-app-status-bar-style#007894-translucent
apple-mobile-web-app-capableyes
msapplication-TileImagehttps://ethz.ch/etc/designs/ethz/img/icons/ETH-APP-Icons-Theme-white/144-xxhdpi.png
apple-mobile-web-app-titleHomepage - Departement Chemie und Angewandte Biowissenschaften – Departement Chemie und Angewandte Biowissenschaften | ETH Zürich
langde
og:urlhttps://chab.ethz.ch/
og:titleHomepage - Departement Chemie und Angewandte Biowissenschaften
og:imagehttps://ethz.ch/etc/designs/ethz/img/header/eth_default_og.jpg
og:image:altEmpty
X-UA-CompatibleIE=edge
charsetutf-8

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Page quality

Content
(Critically important)
Some words from the page title are not used within the pages content
This page contains 672 words. That's ok.
31.5% 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 16.4 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 13 tags for this page.
Image SEO
(Somewhat important)
5 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.1397047712.jpgNo alt attribute provided
...imageformat.contentteaser.1232359017.jpgNo alt attribute provided
...imageformat.contentteaser.2144542787.jpgNo alt attribute provided
....imageformat.contentteaser.475326319.jpgSamueln Heiniger and Wendelin Stark
...imageformat.contentteaser.1992260400.jpgNo alt attribute provided
...nts/previewImage/youtube/1vCVhRNQmmc.jpgNo alt attribute provided
...ge/image.imageformat.1484.1666460316.pngMap displaying number of D-CHAB Collaborations
...age/image.imageformat.1484.305886527.jpgButton zur Ausstellung "Art of Chemistry" online
...ge/image.imageformat.1484.1737289978.gifForschungsgebiete des D-CHAB
...ge/image.imageformat.1564.1782623574.jpgZurich City Lake
...box/image.imageformat.logo.281339020.svgDepartement Chemie und Angewandte Biowissenschaften Logo
...029/image.imageformat.336.1250449201.pngD-CHAB social media
...age/image.imageformat.336.1245707521.jpgCover der Broschüre
...mage/image.imageformat.376.885257549.jpgProfessoren des D-CHAB
...gns/ethz/img/icons/svg/twitter-white.svgD-CHAB on Twitter
...s/ethz/img/icons/svg/instagram-white.svgD-CHAB on Instagram
...gns/ethz/img/icons/svg/youtube-white.svgD-CHAB on Youtube

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 32 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 News
H1 Das D-CHAB in 210 Sekunden
H1 Veranstaltungen
H1 Die Kollaborationen des D-CHAB auf einer interaktiven Karte
H1 Entdecke unsere Ausstellung - online und vor Ort
H1 Unsere Forschungsgebiete und -gruppen entdecken
H1 Weitere Informationen
H2 Departement Chemie und Angewandte Biowissenschaften
H2 Ein Hilfsangebot
H2 Neue pharmazeutische Wirkstoffe aus Milliarden neu kombinierter Moleküle
H2 Machine Learning zum Lunch
H2 Genauer hinschauen
H2 Eisen als günstiger Wasserstoffspeicher
H2 Chemisches Kunststoffrecycling ist startklar
H2 Follow us
H2 D-CHAB Insight
H2 Alle Institute des D-CHAB
H2 Quicklinks
H2 Kontakt
H2 Footer
H3 Hauptnavigation
H3 Services
H3 Suche
H3 Departemente
H3 Sprachauswahl
H3 Empfohlene Links
H3 Suche Duplicate text
H3 Folgen Sie uns
H3 Services Duplicate text
H3 Departemente Duplicate text
H3 Inhaltsverzeichnis und Rechtliches
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.
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 (45) on this page.

Found links on this page

LinkAttributesAnchor text
https://chab.ethz.ch/Startseite
A-TITLE Direkt auf die Startseite springen
https://chab.ethz.ch/Anchor Navigation
A-TITLE Direkt zur Navigation springen
/utils/suche.htmlSubdomain Suche
A-TITLE Direkt zur Suche springen
https://chab.ethz.ch/Anchor Inhalt
A-TITLE Direkt zum Inhalt springen
https://chab.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/External A-TITLE Zur Startseite der ETH Zürich
https://chab.ethz.ch/Departement Chemie und Angewandte Biowissenschaften
A-TITLE Startseite
https://chab.ethz.ch/Text duplicate Startseite
/news-und-veranstaltungen.htmlNews & Veranstaltungen
/das-departement.htmlDas Departement
/forschung.htmlForschung
https://chab.ethz.ch/studium.htmlStudium
/doktorat.htmlDoktorat
/weiterbildung.htmlWeiterbildung
/outreach.htmlOutreach
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...lock Login
A-TITLE Login mit ETH Userkonto
/utils/suche.htmlsearch
https://ethz.ch/External ETH Zürich
A-TITLE Zur Startseite der ETH Zürich
https://chab.ethz.ch/D-CHAB
https://ethz.ch/de/news-und-ve...External Neue pharmazeutische Wirkstoffe aus Milliarden neu kombinierter Moleküle
/news-und-veranstaltungen/d-ch...Machine Learning zum Lunch
https://ethz.ch/de/news-und-ve...External Genauer hinschauen
https://ethz.ch/de/news-und-ve...External Eisen als günstiger Wasserstoffspeicher
https://ethz.ch/de/news-und-ve...External Chemisches Kunststoffrecycling ist startklar
/news-und-veranstaltungen/news...Mehr News
https://policies.google.com/pr...External Subdomain Mehr erfahren
/news-und-veranstaltungen/even...Alle Veranstaltungen
/forschung/collaborations.htmlIMG-ALT Map displaying number of D-CHAB Collaborations
https://artofchemistry.ethz.ch/External Subdomain IMG-ALT Button zur Ausstellung "Art of Chemistry" online
/forschung/forschungsgebiete.htmlIMG-ALT Forschungsgebiete des D-CHAB
/das-departementIMG-ALT Departement Chemie und Angewandte Biowissenschaften Logo
/das-departement.htmlTrivial anchor text
Weiterlesen
/das-departement/ueber-unsIMG-ALT Cover der Broschüre
/forschung/institute-und-labor...chevron_right Institut für Chemie- und Bioingenieurwissenschaften (ICB)
/forschung/institute-und-labor...chevron_right Institut für Molekulare Physikalische Wissenschaft (IMPS)
/forschung/institute-und-labor...chevron_right Institut für Pharmazeutische Wissenschaften (IPW)
/forschung/institute-und-labor...chevron_right Laboratorium für Anorganische Chemie (LAC)
/forschung/institute-und-labor...chevron_right Laboratorium für Organische Chemie (LOC)
/forschung/institute-und-labor...chevron_right Laboratorium für Physikalische Chemie (LPC)
https://www.infozentrum.ethz.ch/External Subdomain chevron_right Infozentrum
/outreach/sammlungen.htmlchevron_right Chemische und Pharmakognostische Sammlung
https://hci-shop.ethz.ch/External Subdomain chevron_right HCI Shop
https://su-management.ethz.ch/External Subdomain chevron_right Sicherheit & Umwelt D-CHAB
https://ethz.ch/de/campus/erle...External chevron_right Alarmzentrale
https://www.ethz.ch/services/d...External Subdomain Anchor chevron_right Gebäudemanagement HCI
https://www.respekt.ethz.ch/External Subdomain chevron_right Respekt Kampagne
https://lehrlabor.chab.ethz.ch/External Subdomain chevron_right Lehrlabor D-CHAB
/das-departement/personen/prof...IMG-ALT Professoren des D-CHAB
/en/utils/contact.htmlchevron_right Kontaktinformation
https://share.sp.ethz.ch/chab/...External Subdomain Web-Editoren
https://share.sp.ethz.ch/chab/...External Subdomain Anchor Intranet
https://twitter.com/ETH_DCHABExternal IMG-ALT D-CHAB on Twitter
A-TITLE D-CHAB on Twitter
https://www.instagram.com/eth_...External Subdomain IMG-ALT D-CHAB on Instagram
A-TITLE D-CHAB on Instagram
https://www.youtube.com/channe...External Subdomain IMG-ALT D-CHAB on Youtube
A-TITLE D-CHAB on Youtube
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 lock 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/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
https://twitter.com/ETH_DCHABExternal No Text
https://www.instagram.com/eth_...External Subdomain No Text
https://www.youtube.com/channe...External Subdomain No Text

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://chab.ethz.ch/"
HTTP header
(Important)
The HTML page should be transferred using GZip compression.
The X-powered header is sent within the response header. (unnecessary)
Performance
(Somewhat important)
The page response time is excellent with 0.12 seconds.
The file size of the HTML document is fine (79 kB).

HTTP Response Header

NameValue
dateSun, 15 Sep 2024 10:07:52 GMT
x-content-type-optionsnosniff
content-typetext/html;charset=utf-8
cache-controlmax-age=3600
varycookie
age2940
x-ratelimit-remaining12
x-powered-byETH Informatikdiensten
x-delievered-fromHoengg
strict-transport-securitymax-age=63072000
content-security-policyframe-ancestors 'self'
x-frame-optionssameorigin
accept-rangesbytes
content-length80772
statuscode200
http_versionHTTP/2

External factors

Blacklists
(Nice to have)
This website is not classified "for adult only".
This page is referenced by wikipedia.
This website has excellent links from other websites.
This page has backlinks from 405 referring domains.
This page has 556,248 backlinks.
This page has backlinks from 287 different ip addresses.
Facebook popularity
(Somewhat important)
The page has 0 shares and comments on Facebook.

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
ETH58%Check
Departement56%Check
Departement Chemie55%Check
Inhalt54%Check
Angewandte Biowissenschaften Departement Chemie54%Check
ETH Zürich53%Check
Chemie52%Check
Angewandte52%Check
Biowissenschaften52%Check
Angewandte Biowissenschaften52%Check
Show more keywords and terms

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