Cen.uni-hamburg.de - SEO Checker

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Overview of the SEO Check
Meta information
76% 
Page quality
83% 
Page structure
70% 
Link structure
55% 
Server
83% 
External factors
100% 
SEO Score
Response time
0.32 s
File size
351.70 kB
Words
727
Media files
20
Number of links
79 internal / 37 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
CEN : Universität Hamburg
The length of the page title is perfect. (246 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)
No canonical link is 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)
There are no alternate links specified on this page.
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)
No favicon is linked in the HTML code.

Meta tags

NameValue
viewportwidth=device-width, initial-scale=1
csrf-paramauthenticity_token
csrf-tokenaos5l7WWlSQEdKhp2NVIweaHdSRK9ipnd3KmDDAFt8zRZljCf7ZNd9Fv5GoHLf713rjHD9giMrG_JLnUyxirIg
srcsvrwww1-fiona
authorUte Kreis
position2
langde
og:titleCEN – Centrum für Erdsystemforschung und Nachhaltigkeit
og:urlhttps://www.cen.uni-hamburg.de/
og:typewebsite
og:imagehttps://www.cen.uni-hamburg.de/5900679/startseite-globus-img1200x300-0daceae44dc76637c0bfb0447f50eddfde6e813c.jpg
charsetutf-8

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Page quality

Content
(Critically important)
Words from the H1 heading are not used in the page content.
These Typos were found:
  • bundesstrasse => Bundesstraße
This page contains 727 words. That's ok.
25.7% 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.
8 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 14.37 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.
This page only loads 1 JavaScript files. That's good!
Bold and strong tags
(Somewhat important)
The usage of strong and bold tags is perfect. We recommend the use of up to 15 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)
This page is optimized perfectly for social networks.
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
...68c6bb37872e5eae6023b38026faeef923c3.svgUniversität Hamburg - der Forschung, der Lehre, der Bildung, zur HomepageZur Homepage
...636831107395cc7f6ef1015a902c4f0fa964.svgRSS-Feed
...636831107395cc7f6ef1015a902c4f0fa964.svgStudierende mit dem Fahrrad auf dem Campus der Universität Hamburg
...636831107395cc7f6ef1015a902c4f0fa964.svgDr. Jonas Preine auf einer Expedition
...636831107395cc7f6ef1015a902c4f0fa964.svgThe Students Huß and Rychwalski at their science slam.
...636831107395cc7f6ef1015a902c4f0fa964.svgAufnahme des Konzertes von Taylor Swift in Gelsenkirchen
...636831107395cc7f6ef1015a902c4f0fa964.svgEinsatz von Wasserschöpfern an Bord des FS SONNE
...636831107395cc7f6ef1015a902c4f0fa964.svgGruppe bei der Arbeit.
...2936140b6a3a01c2db36f235e4820f92e384.svgNo alt attribute provided
...636831107395cc7f6ef1015a902c4f0fa964.svgDarstellung des Prozesses von EVEeve-640x452
...636831107395cc7f6ef1015a902c4f0fa964.svgCover des aktuellen CLICCS Quarterly MagazinsCover des aktuellen CLICCS Quarterly Magazins
...97a2d5db13931195d5267ac221e3083b4f1c.svgX
...18322d2dfb9923d742a052aad817bcea70db.svgLinkedIn
...636831107395cc7f6ef1015a902c4f0fa964.svgFacebook
...636831107395cc7f6ef1015a902c4f0fa964.svgInstagram
...636831107395cc7f6ef1015a902c4f0fa964.svgYouTube
...636831107395cc7f6ef1015a902c4f0fa964.svgLecture2Go
...636831107395cc7f6ef1015a902c4f0fa964.svgLinkedIn
...636831107395cc7f6ef1015a902c4f0fa964.svgXing
...636831107395cc7f6ef1015a902c4f0fa964.svgThreads

Page structure

H1 heading
(Critically important)
/_elements/metanav/<ISO 639-1> is missing
Too many H1 headings
Headings
(Important)
The heading structure is perfect.

Heading structure

Heading levelContent
H1 /_elements/metanav/<ISO 639-1> is missing
H1 Centrumfür Erdsystemforschung und Nachhaltigkeit (CEN)
H2 Die Zukunft der Elbe
H2 Klimawende Ausblick 2024
H2 Raus aus dem Alltag, rein ins Retreat
H2 Wenn die Natur auf Nachhaltigkeit klagt
H2 Neues CEN Klima Booklet
H2 News
H2 Kalender
H2 Kontakt
H3 Für Radfahrende: Hamburger Wetter ist besser als sein Ruf
H3 Geophysiker Dr. Jonas Preine erhält Preis für Wissenschaftskommunikation
H3 Finnwale aus der Vogelperspektive
H3 Forschende übertragen seismische Wellen der Konzerte von Taylor Swift im Livestream
H3 Forschungsschiff SONNE startet auf Expedition in den Indischen Ozean
H3 Expedition zeigt: Vulkane unter Wasser bis in jüngste Vergangenheit aktiv
H3 Was ist EVE? (Clip auf englisch)
H3 Die Ozeandekade der Vereinten Nationen
H3 Magazin CLICCS Quarterly
Some internal link anchor texts are too long.
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.
The number of internal links is ok.
There are too many external links (37) on this page.

Found links on this page

LinkAttributesAnchor text
https://www.cen.uni-hamburg.de/Anchor Zur Metanavigation
https://www.cen.uni-hamburg.de/Anchor Zur Hauptnavigation
https://www.cen.uni-hamburg.de/Anchor Zur Suche
https://www.cen.uni-hamburg.de/Anchor Zum Inhalt
https://www.cen.uni-hamburg.de/Anchor Zur Subnavigation
https://www.cen.uni-hamburg.de/Anchor Zum Seitenfuss
https://www.uni-hamburg.de/External Subdomain Universität Hamburg
https://www.uni-hamburg.de/new...External Subdomain Presse
https://www.kus.uni-hamburg.de...New window External Subdomain KUS-Portal
https://www.kus.uni-hamburg.de...External Subdomain No Text
https://www.stine.uni-hamburg....External Subdomain STiNE
https://www.uni-hamburg.de/geb...External Subdomain Gebärdensprache
https://www.uni-hamburg.de/lei...External Subdomain Leichte Sprache
https://www.cen.uni-hamburg.de/Deutsch
/en.htmlEnglish
https://www.uni-hamburg.de/geb...External Subdomain Text duplicate Gebärdensprache
https://www.uni-hamburg.de/lei...External Subdomain Text duplicate Leichte Sprache
https://www.uni-hamburg.de/External Subdomain IMG-ALT Universität Hamburg - der Forschung, der Lehre, der Bildung, zur Homepage
https://www.cen.uni-hamburg.de/CEN Centrumfür Erdsystemforschung und Nachhaltigkeit (CEN)
A-TITLE Wortmarke der Site: zur Startseite
/about-cen.htmlÜber CEN
/about-cen/news.htmlNews
/about-cen/cliccs.htmlExzellenzcluster CLICCS
/about-cen/clisap.htmlExzellenzcluster CliSAP (bis 2018)
/about-cen/cen-members-registe...Mitglieder
/about-cen/cen-staff.htmlMitarbeitende
/about-cen/members.htmlBeteiligte Institutionen
/about-cen/directorate.htmlVorstand
/about-cen/networking.htmlNetzwerk
/research.htmlForschung
/research/earth-system-dynamic...Erdsystemdynamik
/research/sustainable-strategi...Nachhaltigkeitsstrategien und soziale Dynamiken
/research/cen-models.htmlKlima- und Erdsystemmodelle
/research/emerging-issues.htmlPotenzialbereich
/research/associated-projects....Assoziierte Projekte
/research/publications-cen.htmlPublikationen
/research/policy-briefs.htmlPolicy Briefs
/education1.htmlKarriere
https://www.sicss.uni-hamburg.de/New window External Subdomain CEN School SICSS
/en/education1/climate-kic-jou...Climate-KIC Journey
/education1/cen-ceremony.htmlCEN Graduiertenfeier 2025
/education1/young-climate-scie...Young Climate Scientists Award
/education1/jobs.htmlJobs und Praktika
/facilities.htmlEinrichtungen
/facilities/leitstelle.htmlLeitstelle Forschungsschiffe
/facilities/dkrz.htmlHochleistungsrechnen
/facilities/cen-it.htmlIT-Service: CEN-IT
/facilities/data-center.htmlDatenzentrum ICDC
/facilities/visualization.htmlVisualization Laboratory
/facilities/ma.htmlModeling Activities
/facilities/stadtklimawerkstat...Stadtklimawerkstatt
/facilities/wind-tunnel.htmlWindkanal-Labor
/facilities/weather-mast.htmlWettermast Hamburg
/facilities/library.htmlBibliotheken
/press.htmlPresse, Outreach
/press/kontakt.htmlKontakt
/press/dossiers.htmlDossiers - Themen am CEN
/press/fuer-die-presse.htmlFür die Presse
/press/abendblatt.htmlNeues aus der Klimaforschung
/press/cen-at-school.htmlFür Schulen
/press/flyer-und-broschueren.htmlFlyer und Broschüren
/press/newsletter.htmlCEN Newsletter
/press/videos.htmlVideos
/press/veranstaltungen.htmlVeranstaltungen
/press/entdecken.htmlEntdecken
/service.htmlService
/service/contact.htmlText duplicate Kontakt
/service/map.htmlAnfahrt und Lageplan
/service/internal.htmlMyCEN (intern)
/about-cen/news/07-news-2024/2...Foto: UHH/CEN/T.Wasiliewsk Die Zukunft der Elbe Weniger Ausbaggern, mehr Flutschutz
https://wcms-uni.rrz.uni-hambu...External Subdomain Foto: UHH Klimawende Ausblick 2024 Neue Studienreihe: Politische Risiken gefährden deutsche Klimawende
/about-cen/news/07-news-2024/2...Foto: M.Frieß Raus aus dem Alltag, rein ins Retreat SICCS Retreat 2024
/about-cen/news/07-news-2024/2...Foto: A.Luciano via Unsplash Wenn die Natur auf Nachhaltigkeit klagt
/about-cen/news/08-news-2023/2...Foto: UHH/CEN Neues CEN Klima Booklet
http://www.uni-hamburg.de/External Subdomain UHH
https://www.cen.uni-hamburg.de/CEN
/about-cen/news.atomIMG-ALT RSS-Feed
A-TITLE RSS Feed
https://www.uni-hamburg.de/new...New window External Subdomain Foto: UHH/Feuerböther 2. August 2024|Forschung Für Radfahrende: Hamburger Wetter ist besser als sein Ruf Eine Studie vom Centrum für Erdsystemforschung und N...
IMG-ALT Studierende mit dem Fahrrad auf dem Campus der Universität Hamburg
https://www.uni-hamburg.de/new...New window External Subdomain Foto: UHH/CEN 1. August 2024|CEN News Geophysiker Dr. Jonas Preine erhält Preis für Wissenschaftskommunikation Dr. Jonas Preine von der Universität Hamburg e...
IMG-ALT Dr. Jonas Preine auf einer Expedition
/about-cen/news/07-news-2024/2...Subdomain Foto: Helena Herr/IMF/UHH 31. Juli 2024|CEN News Finnwale aus der Vogelperspektive Die beiden Master-Studenten Alexander Rychwalski und Kilian Huß möchten di...
IMG-ALT The Students Huß and Rychwalski at their science slam.
https://www.uni-hamburg.de/new...New window External Subdomain Foto: UHH/Schlicht 22. Juli 2024|Forschung Forschende übertragen seismische Wellen der Konzerte von Taylor Swift im Livestream Am 23 und 24. Juli gibt die Sä...
IMG-ALT Aufnahme des Konzertes von Taylor Swift in Gelsenkirchen
https://www.uni-hamburg.de/new...New window External Subdomain Foto: UHH/Yves Sorge 15. Juli 2024|CEN News Forschungsschiff SONNE startet auf Expedition in den Indischen Ozean Vom 16. Juli bis zum 5. August 2024 wird das...
IMG-ALT Einsatz von Wasserschöpfern an Bord des FS SONNE
/about-cen/news/07-news-2024/2...Subdomain Foto: O. Eisermann 15. Juli 2024|Forschung Expedition zeigt: Vulkane unter Wasser bis in jüngste Vergangenheit aktiv Der Ozeanboden war für die Erdsystemfors...
IMG-ALT Gruppe bei der Arbeit.
/about-cen/news.htmlweitere Meldungen
/calender.atomSubdomain A-TITLE RSS Feed
https://www.vk.uni-hamburg.de/...External Subdomain Veranstaltung anmelden
/calender.htmlSubdomain Anchor alle Veranstaltungen
/calender.html?event=102692Subdomain 26.08.2409:00 Uhr Conference Presentation: Engaging the Listener in Your Talk
/calender.html?event=105823Subdomain 27.08.2417:00 Uhr Three Minute Thesis-Wettbewerb 2024 und Sommerfest
/calender.html?event=102620Subdomain 05.09.2409:00 Uhr Videos konzipieren und produzieren für die Wissenschaftskommunikation
/calender.html?event=102656Subdomain 13.09.2410:30 Uhr HRA Spotlight – Early Career Researchers in der Wissenschaftskommunikation
/calender.html?event=105857Subdomain 10.10.2410:00 Uhr HRA Karrieresprung 2024
/calender.html?event=106480Subdomain 25.10.2415:00 Uhr Meet4Insights - Case Study Workshop
/calender.html?event=103180Subdomain 07.02.2516:30 Uhr CEN Graduiertenfeier 2025
https://www.youtube.com/watch?...External Subdomain Foto: EVE4Climate Was ist EVE? (Clip auf englisch)
IMG-ALT Darstellung des Prozesses von EVE
http://www.ozeandekade.de/External Subdomain Die Ozeandekade der Vereinten Nationen 10 Jahre lang liegt der Fokus auf Meeresforschung für eine nachhaltige Entwicklung der Ozeane. Es wurden 7 Ziele defin...
https://www.cliccs.uni-hamburg...External Subdomain Foto: Bildnachweis im PDF Magazin CLICCS Quarterly
IMG-ALT Cover des aktuellen CLICCS Quarterly Magazins
https://twitter.com/CENunihhNew window External IMG-ALT X
A-TITLE X
https://www.linkedin.com/compa...New window External Subdomain IMG-ALT LinkedIn
A-TITLE LinkedIn
/feedback.html?local_url=https...Nofollow Feedback
/imprint.htmlImpressum
/datenschutz.htmlDatenschutzerklärung
https://www.uni-hamburg.de/bar...External Subdomain Barrierefreiheit
/sitemap.htmlSitemap
https://www.facebook.com/uniha...New window External Subdomain IMG-ALT Facebook
http://instagram.com/unihamburgNew window External IMG-ALT Instagram
https://www.youtube.com/c/unih...New window External Subdomain IMG-ALT YouTube
https://lecture2go.uni-hamburg...New window External Subdomain IMG-ALT Lecture2Go
https://linkedin.com/school/un...New window External Text duplicate IMG-ALT LinkedIn
https://www.xing.com/pages/uni...New window External Subdomain IMG-ALT Xing
https://www.threads.net/@uniha...New window External Subdomain IMG-ALT Threads
https://www.uni-hamburg.de/uhh...External Subdomain Adresse
https://www.uni-hamburg.de/uhh...External Subdomain Lageplan
https://www.uni-hamburg.de/gle...External Subdomain audit familiengerechte hochschule
A-TITLE Zur Seite Audit familiengerechte Hochschule
https://www.uni-hamburg.de/int...External Subdomain Audit
A-TITLE Zur Seite Audit Internationalisierung
https://www.uni-hamburg.de/gle...External Subdomain HRK-Audit
A-TITLE Zur Seite Diversity-Audit
https://www.uni-hamburg.de/uhh...External Subdomain Systemakkreditierung
A-TITLE Zur Seite Systemakkreditierung

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://www.cen.uni-hamburg.de/"
HTTP header
(Important)
The web server version is sent within the HTTP header.
The X-powered header is sent within the response header. (unnecessary)
This page uses GZip for compressed data transmission.
Performance
(Somewhat important)
The page response time is excellent with 0.32 seconds.
This page only loads 1 CSS files. That's ok.
This page only loads 1 JavaScript files. That's good!
The file size of the HTML document is fine (352 kB).

HTTP Response Header

NameValue
dateSun, 25 Aug 2024 17:47:51 GMT
serverApache/2.4.41 (Ubuntu)
cache-controlmax-age=60, public
referrer-policystrict-origin-when-cross-origin
x-permitted-cross-domain-policiesnone
x-xss-protection0
x-request-idda463e93-630a-481f-8582-c7dfc8bafb1d
link<https://www.cen.uni-hamburg.de/>; rel='canonical', <https://www.cen.uni-hamburg.de/en.html>; rel='alternate'; hreflang=en,<https://assets.rrz.uni-hamburg.de/assets/2-5aca9f3e69a104bf8726f7a336904fe8300b4351d5d3198b01df2eabde483d27.css>; rel=preload; as=style; nopush,<https://assets.rrz.uni-hamburg.de/assets/print-85727ed44b77df53ff88b8a79482dc1ba86ec114c0f78c348368e4be1d7acaee.css>; rel=preload; as=style; nopush,<https://assets.rrz.uni-hamburg.de/assets/2-46ca6aaf562dc8f65db25b0504a0cabf1c2d89bfb338a24304f2501c4c66cbc4.js>; rel=preload; as=script; nopush
x-download-optionsnoopen
x-frame-optionsSAMEORIGIN
x-runtime0.142669
x-content-type-optionsnosniff
x-powered-byPhusion Passenger(R)
set-cookie462 Characters
etagW/"29e0ed17cdbd0d549669322f6c64e981-gzip"
status200 OK
varyAccept-Encoding
content-encodinggzip
transfer-encodingchunked
content-typetext/html; charset=utf-8
strict-transport-securitymax-age=31536000
statuscode200
http_versionHTTP/1.1

External factors

This website has excellent links from other websites.
This page has backlinks from 347 referring domains.
This page has 11,541 backlinks.
This page has backlinks from 288 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

www.cen.uni-hamburg.de
CEN : Universität Hamburg

Most important keywords

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

KeywordResultRecheck
CEN70%Check
Hamburg65%Check
Universität Hamburg56%Check
UHH CEN55%Check
2024 CEN News51%Check
elements50%Check
metanav50%Check
missing50%Check
Forschung44%Check
Expedition44%Check
Show more keywords and terms

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