Av.tib.eu - SEO Checker

Overview of the SEO Check
Meta information
94% 
Page quality
54% 
Page structure
79% 
Link structure
92% 
Server
91% 
External factors
100% 
SEO Score
Response time
0.34 s
File size
109.10 kB
Words
420
Media files
13
Number of links
25 internal / 10 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Homepage - TIB AV-Portal
The length of the page title is perfect. (235 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
Scientific videos und audios: technology/engineering, architecture, chemistry, information technology, mathematics, and physics.
The length of the meta description is perfect. (787 pixels out of 1000 max pixel length)
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
https://av.tib.eu/
There is a valid canonical link specified.
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.
An alternate link incorrectly contains an URL with a relative path.
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 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
descriptionScientific videos und audios: technology/engineering, architecture, chemistry, information technology, mathematics, and physics.
keywordsfilm, video, audio, search, science, natural sciences, technology, research, architecture, chemistry, information technology, mathematics, physics, library
apple-mobile-web-app-titleTIB AV-Portal
color-schemedark light
langen
charsetutf-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 420 words on this page. Good pages should have about 800 words of useful content.
29.8% of the text are stop words.
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 24.89 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 8 tags for this page.
Image SEO
(Somewhat important)
8 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
...tent/sites/av.tib.eu/base/logos/logo.pngLogo TIB AV-Portal
data:[...] Base64Feedback
https://av.tib.eu/thumbnail/57342/fullNo alt attribute provided
.../content/images/tiles/tiles1/kivipro.pngNo alt attribute provided
.../images/tiles/tiles2/citing_av-media.jpgNo alt attribute provided
...ntent/images/tiles/tiles2/watchlist.webpNo alt attribute provided
...tent/images/tiles/tiles2/videoupload.pngNo alt attribute provided
...s/content/images/tiles/tiles2/conrec.jpgNo alt attribute provided
...ntent/images/tiles/tiles3/filmrollen.jpgNo alt attribute provided
...t/images/tiles/tiles3/IWF-Ethnologie.pngNo alt attribute provided
/_nuxt/tib-full-en.LtFJcXTI.pngLogo of TIBLogo of TIB
...t/europeana-aggregator-logo.t95-sks0.pngEuropeanaEuropeana
/_nuxt/leibniz-30jahre-en.ClTYe0xb.svgLeibniz AssociationLeibniz Association

Page structure

H1 heading
(Critically important)
There is no H1 heading specified.
Headings
(Important)
The structure of headings is missing one or more levels. Do not skip heading levels.

Heading structure

Heading levelContent
H4 New content
H4 Artificial Intelligence (AI): newest inputs - insights - reflections
H4 Discover the TIB AV-Portal
H4 Visions4AI: impulses, developments and future prospects around AI
H4 Features & Services
H4 Beilstein Talks: Chemistry in focus
H4 Historical heritage of scientific film
H4 Latest Toots
H4 From our TIB Blog
H5 The TIB AV-Portal in a nutshell
H5 KIViPro - AI in educational video production [BETA]
H5 Quote scientific videos
H5 Curate videos
H5 Publishing videos
H5 Producing videos (with support)
H5 Encyclopaedia Cinematographica and more
H5 Ethnological films for research
H5 Contact
H5 Legal Notices
H5 Follow us
Some internal links have dynamic parameters. All internal URLs, which are not marked as nofollow, should not contain dynamic parameters.
The number of internal links is ok.
Every linktext is unique.
None of the anchor texts is too long.
There are 10 external links on this page.
LinkAttributesAnchor text
https://av.tib.eu/IMG-ALT Logo TIB AV-Portal
A-TITLE Home
https://av.tib.eu/subjectsSubjects
https://av.tib.eu/publishersPublishers
https://av.tib.eu/editorialRecommendations
https://av.tib.eu/featuresNew features
https://av.tib.eu/opendataOpen Data
https://av.tib.eu/faqFAQ
/login?redirect=/Login
https://av.tib.eu/mymediaMy Media
https://av.tib.eu/subscriptionsSubscriptions
https://av.tib.eu/uploadUpload
https://av.tib.eu/historyPlayback History
https://www.tib.eu/en/contact-...New window External Subdomain IMG-ALT Feedback
A-TITLE Feedback
/search?q="Artificial+Intellig...Show all 1504 results
https://av.tib.eu/media/57342The TIB AV-Portal in a nutshell
https://www.tib.eu/en/services...New window External Subdomain KIViPro - AI in educational video production [BETA]
https://av.tib.eu/series/1978Show all 7 results
https://av.tib.eu/faqQuote scientific videos
https://av.tib.eu/mymediaCurate videos
https://av.tib.eu/uploadNew window Subdomain Publishing videos
https://tib.eu/conrecNew window External Producing videos (with support)
https://av.tib.eu/series/1122Show all 49 results
/publisher/IWF (Göttingen)New window Subdomain Encyclopaedia Cinematographica and more
https://blog.tib.eu/2021/10/27...New window External Subdomain Ethnological films for research
https://av.tib.eu/contactTeam TIB AV-Portal
A-TITLE Team TIB AV-Portal
https://www.tib.eu/en/service/...New window External Subdomain Terms of Use of the TIB
A-TITLE Terms of Use of the TIB
https://av.tib.eu/termsSpecial Conditions TIB AV-Portal
A-TITLE Special Conditions TIB AV-Portal
https://av.tib.eu/privacyData Privacy Statement
A-TITLE Data Privacy Statement
https://av.tib.eu/imprintImprint
A-TITLE Imprint
https://av.tib.eu/accessibilityAccessibility Statement
A-TITLE Accessibility Statement
https://tib.eu/mastodon-avNew window External A-TITLE Mastodon
https://tib.eu/youtubeNew window External A-TITLE YouTube
https://www.tib.eu/en/New window External Subdomain IMG-ALT Logo of TIB
https://pro.europeana.eu/page/...New window External Subdomain IMG-ALT Europeana
https://www.leibniz-gemeinscha...New window External Subdomain IMG-ALT Leibniz Association

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://av.tib.eu/"
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 0.34 seconds.
The file size of the HTML document is fine (109 kB).

HTTP Response Header

NameValue
dateSat, 17 Oct 2026 10:34:01 GMT
content-typetext/html;charset=utf-8
x-powered-byNuxt
access-control-allow-origin*
access-control-allow-credentialstrue
access-control-allow-methodsGET, PUT, POST, DELETE, PATCH, OPTIONS
access-control-allow-headersDNT,Keep-Alive,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type,Range,Authorization
access-control-max-age1728000
via2.0 av.tib.eu
varyAccept-Encoding,User-Agent
content-encodinggzip
cache-controlmax-age=0, no-store
serverApache
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 441 referring domains.
This page has 1,481 backlinks.
This page has backlinks from 245 different ip addresses.

Robots.txt

User-agent: *
Disallow: /search*
Disallow: /resetPassword*
Disallow: /registration*
Disallow: /upload*
Disallow: /watchlist*
Disallow: /login*

Sitemap: https://av.tib.eu/sitemap.xml

Search preview

av.tib.eu
Homepage - TIB AV-Portal
Scientific videos und audios: technology/engineering, architecture, chemistry, information technology, mathematics, and physics.

Most important keywords

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

KeywordResultRecheck
TIB76%Check
TIB AV-Portal68%Check
AV-Portal61%Check
scientific59%Check
videos59%Check
scientific videos59%Check
Chemistry55%Check
Quote scientific53%Check
scientific film53%Check
Video Production50%Check

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