Prometheus-bildarchiv.de - SEO Checker

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Overview of the SEO Check
Meta information
53% 
Page quality
49% 
Page structure
79% 
Link structure
97% 
Server
91% 
External factors
100% 
SEO Score
Response time
0.15 s
File size
18.60 kB
Words
385
Media files
26
Number of links
27 internal / 21 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
The prometheus Image Archive: High-quality images from the fields of arts, culture and history
The page title should be shorter than 580 pixels. It is 843 pixels long. Optimize title
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://prometheus-bildarchiv.de/en/index
The specified canonical link points to a different page.
Language
(Somewhat important)
Language detected in text: en
Language defined in HTML: en
Server location: United States of America
The following language is defined by HTML: en
Alternate/Hreflang Links
(Somewhat important)
The alternate link to the page itself is missing.
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 character encoding is not specified in the HTTP header.
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
authorprometheus - Das verteilte digitale Bildarchiv für Forschung & Lehre
langen
content-typetext/html; charset=UTF-8

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Page quality

Content
(Critically important)
Some words from the page title are not used within the pages content
There are only 385 words on this page. Good pages should have about 800 words of useful content.
41.6% of the text are stop words.
The page contains a listing, which indicates a good text layout.
6 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 19.73 words is good.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
No viewpoint tag is provided.
No 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 8 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
/files/icons/logo.svgprometheus - Das verteilte digitale Bildarchiv für Forschung & Lehreprometheus Homepage
/series/2024/30/01.jpg01
/series/2024/30/02.jpg02
/series/2024/30/03.jpg03
/series/2024/30/04.jpg04
/series/2024/30/05.jpg05
/series/2024/30/06.jpg06
/series/2024/30/07.jpg07
/series/2024/30/08.jpg08
/series/2024/30/01.jpg01
/series/2024/30/02.jpg02
/series/2024/30/03.jpg03
/series/2024/30/08.jpg08
/series/2024/30/06.jpg06
/series/2024/30/05.jpg05
/series/2024/30/07.jpg07
/series/2024/30/04.jpg04
/images/misc/help.gifHelp
...ad/registry/badges/nfdi4culturebadge.svgNo alt attribute provided
/files/images/Logo_20Jahre.pngNo alt attribute provided
...ometheus.uni-koeln.de/images/misc/go.gifSignup
/series/2024/30/start.jpgStart
/files/images/newsletter/screen_kw28_2.jpgNo alt attribute provided
/files/icons/android-icon_de.pngNo alt attribute provided
/files/icons/app-store-icon_de.pngNo alt attribute provided
/images/misc/top.gifTop

Page structure

H1 heading
(Critically important)
prometheus - Das verteilte digitale Bildarchiv für Forschung & Lehre
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 prometheus - Das verteilte digitale Bildarchiv für Forschung & Lehre
H3 Image series of the week
H3 News
1 links don't have an anchor text.
The number of internal links is ok.
Every linktext is unique.
None of the anchor texts is too long.
All internal links are not using dynamic parameters.
There are 21 external links on this page.

Found links on this page

LinkAttributesAnchor text
https://prometheus.uni-koeln.d...External Subdomain Sign up
https://prometheus.uni-koeln.d...External Subdomain Log in
https://prometheus.uni-koeln.d...External Subdomain Help
/de/indexDeutsch
A-TITLE Sprache auf Deutsch umstellen
/indexIMG-ALT prometheus - Das verteilte digitale Bildarchiv für Forschung & Lehre
/series/2024/30/indexIMG-ALT 01
A-TITLE Current image series: Frans Hals
https://prometheus.uni-koeln.d...External Subdomain Text duplicate IMG-ALT Help
A-TITLE Login help
https://prometheus.uni-koeln.d...External Subdomain Forgotten?
A-TITLE Reset password
https://prometheus.uni-koeln.d...External Subdomain licensed campus
/indexHome
/prometheus/indexAbout prometheus
/license/indexLicense Model
/copyrightCopyright and Usage
/databases/indexImage databases
/projects/indexInitiatives
https://x.com/prometheus_eVNew window External A-TITLE X
https://social.cologne/@promet...New window External A-TITLE Mastodon
https://www.youtube.com/channe...New window External Subdomain A-TITLE YouTube
https://www.instagram.com/prom...New window External Subdomain A-TITLE Instagram
https://facebook.com/prometheu...New window External A-TITLE Facebook
https://prometheus.uni-koeln.d...New window External Subdomain A-TITLE Newsletter
https://nfdi4culture.de/de/res...New window External A-TITLE NFDI4Culture Registry
/about/20yearsNo Text
https://prometheus.uni-koeln.d...External Subdomain IMG-ALT Signup
https://prometheus.uni-koeln.d...External Subdomain Sign up for prometheus
/series/2024/30/indexIMG-ALT Start
A-TITLE Frans Hals
/series/2024/30/indexmore...
/blog/unsere-sommeraktion-bei-...Our summer campaign on Instagram
/blog/author/corinnaCorinna
https://www.instagram.com/prom...External Subdomain Instagram account
/de/projects/nfdi4cultureNFDI4Culture
/blog/unterstuetzung-beim-publ...Support with publishing
A-TITLE 1 Jul 2024: Support with publishing
/blog/wikideta-in-prometheusWikidata in prometheus
A-TITLE 17 Jun 2024: Wikidata in prometheus
/blog/bildsammlungen-nutzenUsing image collections
A-TITLE 31 May 2024: Using image collections
/blog/aktualisierung-der-bildd...Update of the image database "Architekturmuseum" (museum of architecture)
A-TITLE 21 May 2024: Update of the image database
/blog/upload-und-instituts-uploadUpload and Institute Upload
A-TITLE 6 May 2024: Upload and Institute Upload
/blogto the blog...
A-TITLE Blog
https://play.google.com/store/...New window External Subdomain No Text
https://itunes.apple.com/WebOb...New window External Subdomain No Text
https://prometheus-bildarchiv.de/Anchor IMG-ALT Top
A-TITLE Back to top
/blogBlog
A-TITLE Blog
/contactContact
A-TITLE Contact
/imprintImprint
A-TITLE Imprint
/privacyPrivacy
A-TITLE Privacy
https://prometheus.uni-koeln.d...External Subdomain Terms of use
A-TITLE Terms of use
https://prometheus.uni-koeln.d...External Subdomain Sitemap
A-TITLE Sitemap
/faqFAQ
A-TITLE Frequently asked questions
https://prometheus.uni-koeln.d...External Subdomain Text duplicate Help
A-TITLE Help

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://prometheus-bildarchiv.de/"
HTTP header
(Important)
The web server version is sent within the HTTP header.
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 0.15 seconds.
The file size of the HTML document is fine (19 kB).

HTTP Response Header

NameValue
dateFri, 26 Jul 2024 07:50:55 GMT
serverApache/2.4
content-locationindex.html.en
varynegotiate,accept-language,Accept-Encoding,Cookie
tcnchoice
accept-rangesbytes
content-encodinggzip
content-length6463
content-typetext/html
content-languageen
statuscode200
http_versionHTTP/2

External factors

Blacklists
(Nice to have)
This website is not classified "for adult only".
This website has excellent links from other websites.
This page has backlinks from 339 referring domains.
This page has 6,047 backlinks.
This page has backlinks from 285 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

User-agent: *
Disallow: /wiki/

Sitemap: https://prometheus-bildarchiv.de/sitemap.xml

Similar sites

Search preview

Most important keywords

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

KeywordResultRecheck
prometheus79%Check
prometheus Image Archive58%Check
Image52%Check
digital52%Check
image archive49%Check
Art49%Check
images47%Check
archive46%Check
History45%Check
Digital Media43%Check
Show more keywords and terms

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