Math.ethz.ch - SEO Checker

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Overview of the SEO Check
Meta information
79% 
Page quality
69% 
Page structure
81% 
Link structure
78% 
Server
91% 
External factors
100% 
SEO Score
Response time
0.11 s
File size
66.90 kB
Words
473
Media files
7
Number of links
33 internal / 29 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Homepage – Department of Mathematics | ETH Zurich
The length of the page title is perfect. (485 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://math.ethz.ch/
There is a valid canonical link specified.
Language
(Somewhat important)
Language detected in text: en
Language defined in HTML: en
Server location: Switzerland
The following language is defined by HTML: en
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_lmd2025-07-18T14:32:33.258Z
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-languageen
apple-mobile-web-app-titleHomepage – Department of Mathematics | ETH Zurich
langen
twitter:cardsummary
twitter:siteEmpty
twitter:titleHomepage
twitter:imagehttps://ethz.ch/etc/designs/ethz/img/header/eth_default_og.jpg
twitter:image:altEmpty
og:urlhttps://math.ethz.ch/
og:titleHomepage
og:site_nameDepartment of Mathematics
og:imagehttps://ethz.ch/etc/designs/ethz/img/header/eth_default_og.jpg
og:image:altEmpty
charsetutf-8

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Page quality

Content
(Critically important)
There are only 473 words on this page. Good pages should have about 800 words of useful content.
The average number of words per sentence of 26 words is high.
24.9% 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.
5 paragraphs were found on this page.
No placeholders texts or images were found.
There are no duplicates on the site.
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 9 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
...em0.imageformat.1564x880l.1770515495.jpgTo Zurich Graduate School in Mathematics
...tem1.imageformat.1564x880l.107954189.jpgTo ETH-ITS Institute for Theoretical Studies
...tem2.imageformat.1564x880l.448754843.svgTo FIM – Institute for Mathematics Research
...em3.imageformat.1564x880l.2101711644.pngTo SwissMAP
...gns/ethz/img/icons/svg/youtube-white.svgHomepage on YouTube
...c/designs/ethz/img/icons/svg/x-white.svgHomepage on X
...designs/ethz/img/icons/svg/rss-white.svgSubscribe to the Homepage's newsfeed

Page structure

H1 heading
(Critically important)
The H1 heading is empty
Headings
(Important)
Some headings occur twice on the page.
There are 26 headings on the page. The amount of headings should be in a more proper relation to the amount of text.
Some headings do not have any content.

Heading structure

Heading levelContent
H1 Empty heading
H2 Department of Mathematics
H2 Directly go to the content
H2 D-MATH News
H2 Open positions
H2 Partner institutions
H2 Footer
H2 D-MATH internal
H3 Services
H3 Search
H3 Departments
H3 Language Selection
H3 Doctoral exam of Tim Gehrunger
H3 Svitlana Mayboroda honoured with Blaise Pascal Medal
H3 Yilin Wang appointed Associate Professor
H3 First encounters with ETH
H3 60 years of FIM: An anniversary in the spirit of mathematical exchange
H3 Sarah Zerbes elected to Academia Europaea
H3 Professor or Assistant Professor (Tenure Track) of Mathematics – Probability Theory and Related Fields
H3 Professor or Assistant Professor (Tenure Track) of Mathematics and Didactics of Higher Education
H3 Recommended links
H3 Search Duplicate text
H3 Follow us
H3 Services Duplicate text
H3 Contact
H3 Departments Duplicate text
H3 Table of contents and legal
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.
1 links don't have an anchor text.
The number of internal links is ok.
None of the anchor texts is too long.
There are too many external links (29) on this page.

Found links on this page

LinkAttributesAnchor text
https://math.ethz.ch/Homepage
A-TITLE Directly go to the homepage
https://math.ethz.ch/Anchor Navigation
A-TITLE Directly go to the navigation
/utils/search.htmlSubdomain Search
A-TITLE Directly go to the search
https://math.ethz.ch/Anchor Content
A-TITLE Directly go to the content
https://math.ethz.ch/Anchor Footer
A-TITLE Directly go to the footer
https://math.ethz.ch/Anchor Contact
A-TITLE Directly go to the contact
/footer/sitemap.htmlSitemap
A-TITLE Sitemap
https://ethz.ch/en.htmlExternal A-TITLE ETH Zurich homepage
https://math.ethz.ch/Department of Mathematics
A-TITLE Home
https://ethz.ch/students/en.htmlExternal Student portal
https://www.alumni.ethz.ch/en/External Subdomain Alumni association
https://ethz.ch/staffnet/en.htmlExternal Staffnet
/login/en.html?resource=/conte...Login
A-TITLE Login with ETH user account
/utils/search.htmlNo Text
https://ethz.ch/en.htmlExternal ETH Zurich
A-TITLE ETH Zurich homepage
https://math.ethz.ch/D-MATH
/news-and-events/news/d-math-n...Doctoral exam of Tim Gehrunger
/news-and-events/news/d-math-n...Svitlana Mayboroda honoured with Blaise Pascal Medal
/news-and-events/news/d-math-n...Yilin Wang appointed Associate Professor
/news-and-events/news/d-math-n...First encounters with ETH
/news-and-events/news/d-math-n...60 years of FIM: An anniversary in the spirit of mathematical exchange
/news-and-events/news/d-math-n...Sarah Zerbes elected to Academia Europaea
/news-and-events/news/d-math-n...See more news
/news-and-events/news/d-math-n...Professor or Assistant Professor (Tenure Track) of Mathematics – Probability Theory and Related Fields
/news-and-events/news/d-math-n...Professor or Assistant Professor (Tenure Track) of Mathematics and Didactics of Higher Education
/the-department/open-positions...Text duplicate See more news
https://www.zgsm.ch/External Subdomain IMG-ALT To Zurich Graduate School in Mathematics
https://eth-its.ethz.ch/External Subdomain IMG-ALT To ETH-ITS Institute for Theoretical Studies
https://math.ethz.ch/fimSubdomain IMG-ALT To FIM – Institute for Mathematics Research
https://www.nccr-swissmap.ch/External Subdomain IMG-ALT To SwissMAP
/intranet.htmlIntraMATH
A-TITLE Intranet D-MATH (requires login)
https://www.youtube.com/channe...External Subdomain IMG-ALT Homepage on YouTube
A-TITLE Homepage on YouTube
https://x.com/eth_mathExternal IMG-ALT Homepage on X
A-TITLE Homepage on X
https://math.ethz.ch/utils/rssSubdomain IMG-ALT Subscribe to the Homepage's newsfeed
A-TITLE Subscribe to the Homepage's newsfeed
https://ethz.ch/students/en.htmlExternal Text duplicate Student portal
https://www.alumni.ethz.ch/en/External Subdomain Text duplicate Alumni association
https://ethz.ch/staffnet/en.htmlExternal Text duplicate Staffnet
/login/en.html?resource=/conte...Text duplicate Login
A-TITLE Login with ETH user account
/Administration.vcard.vcf?path...vCard Download
A-TITLE V-Card
https://math.ethz.ch/intranetprotected page IntraMATH (ETH login required)
https://arch.ethz.ch/enExternal Subdomain D-ARCH Architecture
https://baug.ethz.ch/en/External Subdomain D-BAUG Civil, Environmental and Geomatic Engineering
https://biol.ethz.ch/en/External Subdomain D-BIOL Biology
https://bsse.ethz.ch/External Subdomain D-BSSE Biosystems Science and Engineering
https://chab.ethz.ch/en/External Subdomain D-CHAB Chemistry and Applied Biosciences
https://eaps.ethz.ch/en/External Subdomain D-EAPS Earth and Planetary Sciences
https://gess.ethz.ch/en/External Subdomain D-GESS Humanities, Social and Political Sciences
https://hest.ethz.ch/enExternal Subdomain D-HEST Health Sciences and Technology
https://inf.ethz.ch/External Subdomain D-INFK Computer Science
https://ee.ethz.ch/External Subdomain D-ITET Information Technology and Electrical Engineering
https://math.ethz.ch/D-MATH Mathematics
https://mat.ethz.ch/External Subdomain D-MATL Department of Materials
https://mavt.ethz.ch/External Subdomain D-MAVT Mechanical and Process Engineering
https://mtec.ethz.ch/External Subdomain D-MTEC Management, Technology and Economics
https://www.phys.ethz.ch/External Subdomain D-PHYS Physics
https://usys.ethz.ch/en/External Subdomain D-USYS Environmental Systems Science
/footer/sitemap.htmlText duplicate Sitemap
A-TITLE Sitemap
/footer/imprint.htmlImprint
A-TITLE Imprint
/footer/accessibility-statemen...Accessibility Statement
A-TITLE Accessibility Statement
/footer/disclaimer-copyright.htmlDisclaimer & Copyright
A-TITLE Disclaimer & Copyright
/footer/data-protection.htmlPrivacy Policy
A-TITLE Privacy Policy
http://www.ethz.ch/External Subdomain Eidgenössische Technische Hochschule Zürich

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://math.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 0.11 seconds.
The file size of the HTML document is fine (67 kB).

HTTP Response Header

NameValue
dateSat, 26 Jul 2025 19:12:54 GMT
x-content-type-optionsnosniff
content-typetext/html;charset=utf-8
cache-controlmax-age=3600
content-encodinggzip
varycookie, Accept-Encoding
vha6-originwcp-pub-csh11.ethz.ch
age433
x-ratelimit-remaining20
x-powered-byETH Informatikdiensten
x-delievered-fromHoengg
strict-transport-securitymax-age=63072000
content-security-policyframe-ancestors 'self'
x-frame-optionssameorigin
accept-rangesbytes
content-length15126
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 94 referring domains.
This page has 504,093 backlinks.
This page has backlinks from 88 different ip addresses.

Links from Wikipedia

You can find more links using Wikipedia search

Robots.txt

No valid Robots.txt file was found.

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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
ETH64%Check
Mathematics56%Check
ETH Zurich56%Check
Department54%Check
Homepage Department52%Check
Homepage48%Check
Zurich47%Check
D-MATH47%Check
Content44%Check
Search44%Check
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