Delta.tu-dortmund.de - SEO Checker

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Overview of the SEO Check
Meta information
79% 
Page quality
52% 
Page structure
79% 
Link structure
72% 
Server
100% 
External factors
36% 
SEO Score
Response time
0.13 s
File size
123.00 kB
Words
221
Media files
2
Number of links
16 internal / 0 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Zentrum für Synchrotronstrahlung - Delta - TU Dortmund
The length of the page title is perfect. (507 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://delta.tu-dortmund.de/
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
robotsindex,follow
apple-mobile-web-app-capableno
format-detectiontelephone=no
revisit-after10 days
msapplication-square70x70logo/storages/delta/_processed_/5/9/csm_delta-logo-kein-schatten_4379d97f97.png
msapplication-square150x150logo/storages/delta/_processed_/5/9/csm_delta-logo-kein-schatten_5df0e46b0b.png
msapplication-square310x310logo/storages/delta/_processed_/5/9/csm_delta-logo-kein-schatten_762821b13f.png
msapplication-TileImage/storages/delta/_processed_/5/9/csm_delta-logo-kein-schatten_ed697d4722.png
langde
twitter:cardsummary
twitter:titleZentrum für Synchrostronstrahlung
og:titleZentrum für Synchrostronstrahlung
og:typewebsite
og:site_nameTU Dortmund
og:imagehttps://delta.tu-dortmund.de/typo3conf/ext/tudo_base/Resources/Public/Images/tu-dortmund-logo-social.png
x-ua-compatibleIE=edge
charsetutf-8

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Page quality

Content
(Critically important)
There are only 221 words on this page. Use at least 250 words to provide useful information.
Words from the H1 heading are not used in the page content.
37.6% 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.
The average number of words per sentence of 12.69 words is good.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
A viewport "width=device-width, initial-scale=1" is provided.
At least one Apple touch icon is specified.
Bold and strong tags
(Somewhat important)
The usage of strong and bold tags is perfect. We recommend the use of up to 6 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
...m_startseite_seitenheader_0b88aae03e.jpgBlick entlang der Strahlkammer auf den U250DELTA Strahlkammer
...sed_/4/f/csm_DELTA_Schnee_2bb104c5dc.jpgDELTA Gebäude im Schnee

Page structure

H1 heading
(Critically important)
DELTA - die Dortmunder Elektronenspeicherringanlage
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 DELTA - die Dortmunder Elektronenspeicherringanlage
H2 Aktuelles
H2 Veranstaltungen
H4 DELTA Jahresbericht 2023
Some internal link anchor texts are too long.
Some anchor texts are used more than once.
The number of internal links is ok.
All internal links are not using dynamic parameters.
There are no external links on this page.

Found links on this page

LinkAttributesAnchor text
https://delta.tu-dortmund.de/Anchor Zur Navigation
https://delta.tu-dortmund.de/Anchor Zum Schnellzugriff
https://delta.tu-dortmund.de/Anchor Zum Fuß der Seite mit weiteren Services
https://delta.tu-dortmund.de/Anchor Zum Inhalt
/institut/Institut:
/forschung/Forschung:
/studium/Studium:
/links/Links:
/details/default-ad4ebb5370-37...19.12.2023 DELTA Jahresbericht 2023 Der DELTA Jahresbericht 2023 ist online: In über 50 Beiträgen stellen die Nutzergruppen von DELTA die Ergebnisse ihrer Ex...
IMG-ALT DELTA Gebäude im Schnee
A-TITLE DELTA Jahresbericht 2023
https://delta.tu-dortmund.de/Anchor Zum Seitenanfang
/anregungen/Anregungen?
/datenschutzerklaerung/Datenschutzerklärung
/impressum/Impressum
/barrierefreiheit/Barrierefreiheit
/sitemap/Sitemap
https://delta.tu-dortmund.de/Anchor Text duplicate Zum Seitenanfang

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://delta.tu-dortmund.de/"
HTTP header
(Important)
No X-Powered HTTP header is sent.
This page uses GZip for compressed data transmission.
Performance
(Somewhat important)
The page response time is excellent with 0.13 seconds.
The file size of the HTML document is fine (123 kB).

HTTP Response Header

NameValue
dateSat, 10 Aug 2024 15:46:13 GMT
serverApache
varyAccept-Encoding
last-modifiedFri, 09 Aug 2024 23:05:48 GMT
accept-rangesbytes
content-length14808
cache-controlpublic, max-age=3600, must-revalidate
expiresSat, 10 Aug 2024 22:00:02 GMT
x-ua-compatibleIE=edge
x-content-type-optionsnosniff
access-control-allow-origin*
content-typetext/html; charset=utf-8
content-languagede
x-xss-protection1; mode=block
content-security-policyscript-src https: data: 'unsafe-inline' 'unsafe-eval' https://www.tu-dortmund.de https://*.itmc.tu-dortmund.de https://*.relaunch.tu-dortmund.de; style-src https: 'unsafe-inline' https://www.tu-dortmund.de https://*.itmc.tu-dortmund.de https://*.relaunch.tu-dortmund.de; frame-src https://www.tu-dortmund.de https://redaktion.tu-dortmund.de https://*.itmc.tu-dortmund.de https://*.relaunch.tu-dortmund.de https://www.youtube-nocookie.com https://www.youtube.com 'self' https://service.delta.tu-dortmund.de; frame-ancestors https://www.tu-dortmund.de https://redaktion.tu-dortmund.de 'self'
x-content-security-policyscript-src https: data: 'unsafe-inline' 'unsafe-eval' https://www.tu-dortmund.de https://*.itmc.tu-dortmund.de https://*.relaunch.tu-dortmund.de; style-src https: 'unsafe-inline' https://www.tu-dortmund.de https://*.itmc.tu-dortmund.de https://*.relaunch.tu-dortmund.de; frame-src https://www.tu-dortmund.de https://redaktion.tu-dortmund.de https://*.itmc.tu-dortmund.de https://*.relaunch.tu-dortmund.de https://www.youtube-nocookie.com https://www.youtube.com 'self' https://service.delta.tu-dortmund.de; frame-ancestors https://www.tu-dortmund.de https://redaktion.tu-dortmund.de 'self'
feature-policygeolocation 'self' https://*.itmc.tu-dortmund.de; fullscreen 'self'
referrer-policyno-referrer-when-downgrade
strict-transport-securitymax-age=31536000
x-sfc-tagstx_news, tx_news_pid_72263, tx_news_pid_72262, pageId_72259
content-encodinggzip
x-proxyP2
x-backend-healthy1
x-serverfe01
x-originCluster
statuscode200
http_versionHTTP/2

External factors

Blacklists
(Nice to have)
This website is not classified "for adult only".
This page has only a few links from other websites.
This page only has backlinks from 6 referring domains.
This page only has 11 backlinks.
This page only has few backlinks from 6 different ip addresses.
Facebook popularity
(Somewhat important)
The page has 0 shares and comments on Facebook.

Links from Wikipedia

No links from Wikipedia were found.

Robots.txt

# URL: https://www.tu-dortmund.de/

User-agent: *
Allow: /

Similar sites

Search preview

Most important keywords

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

KeywordResultRecheck
DELTA82%Check
Dortmund72%Check
DELTA Jahresbericht61%Check
DELTA Jahresbericht 202353%Check
Zentrum51%Check
Synchrotronstrahlung51%Check
Dortmunder50%Check
Elektronenspeicherringanlage50%Check
Jahresbericht38%Check
Aktuelles38%Check
Show more keywords and terms

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