Overview of the SEO Check
Meta information
77% 
Page quality
52% 
Page structure
76% 
Link structure
92% 
Server
75% 
External factors
100% 
SEO Score
Response time
0.36 s
File size
23.50 kB
Words
211
Media files
4
Number of links
38 internal / 6 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Willkommen — Verbundzentrale des GBV
The length of the page title is perfect. (373 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://www.gbv.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)
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)
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)
No favicon is linked in the HTML code.

Meta tags

NameValue
viewportwidth=device-width, initial-scale=1.0
generatorPlone - https://plone.org/
langde
twitter:cardsummary
og:site_nameVerbundzentrale des GBV
og:titleWillkommen
og:typewebsite
og:descriptionEmpty
og:urlhttps://www.gbv.de
og:imagehttps://www.gbv.de/@@site-logo/header.jpg
og:image:typeimage/jpeg
Content-Typetext/html; charset=UTF-8
charsetutf-8

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Page quality

Content
(Critically important)
There are only 211 words on this page. Use at least 250 words to provide useful information.
31.8% 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.
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 22.71 words is good.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
This page loads 6 JavaScript files. This may affect the load time negatively.
A viewport "width=device-width, initial-scale=1.0" 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
/++resource++country-flags/gb.gifEnglishEnglish
/++resource++country-flags/de.gifDeutschDeutsch
...r-vzg-website/images/vzg-main-header.jpgVerbundzentrale des GBVVerbundzentrale des GBV
...e-0-1eef8797440d21c3269117fc3d979f9d.gifGBV KarteGBV Karte

Page structure

H1 heading
(Critically important)
Willkommen
The H1 heading consists of only one word. There should be more information given.
The H1 heading is too short (10 characters). It should be at least 20 Characters long.
Headings
(Important)
The heading structure is perfect.

Heading structure

Heading levelContent
H1 Willkommen
Some anchor texts are used more than once.
The number of internal links is ok.
None of the anchor texts is too long.
All internal links are not using dynamic parameters.
There are 6 external links on this page.
LinkAttributesAnchor text
https://en.gbv.de/External Subdomain IMG-ALT English
A-TITLE English
https://www.gbv.de/Subdomain IMG-ALT Deutsch
A-TITLE Deutsch
https://www.gbv.de/Subdomain Startseite
https://www.gbv.de/rechercheSubdomain Recherche
/recherche/gsomenuSubdomain Datenbanken
/recherche/discovery-systemeSubdomain Discovery-Systeme
/recherche/digitale-bibliothekSubdomain Digitale Bibliothek
https://www.gbv.de/informationenSubdomain Informationen
/informationen/benutzendeSubdomain Benutzende
/informationen/bibliothekenSubdomain Bibliotheken
/informationen/VerbundzentraleSubdomain Verbundzentrale (VZG)
/informationen/VerbundSubdomain Verbund (GBV)
/kooperation-bsz-vzgSubdomain BSZ-GBV
https://www.gbv.de/TermineSubdomain Termine
https://www.gbv.de/newsSubdomain Aktuelles
https://www.gbv.de/news/stellenSubdomain Stellen
https://www.gbv.de/kontaktSubdomain Kontakt
https://www.gbv.de/Subdomain Text duplicate Startseite
https://www.gbv.de/gsomenuSubdomain Datenbankangebot
/informationen/benutzende/fern...Subdomain Online-Fernleihe
https://www.subito-doc.de/External Subdomain subito
https://www.bsz-bw.de/External Subdomain BSZ
https://www.bszgbv.de/New window External Subdomain Homepage
/bibliotheken/allgemeines/bibl...Subdomain IMG-ALT GBV Karte
https://www.gbv.de/newsText duplicate Aktuelles
/informationen/Verbundzentrale...Subdomain zahlreichen Vorträgen
https://2025.bid-kongress.de/External Subdomain 113. BiblioCon (zugleich 9. Bibliothekskongress)
/Verbundzentrale/Publikationen..."VZG aktuell - Neues aus der Zentrale"
/informationen/Verbundzentrale...Subdomain Sonderausgabe von VZG
/sendmessageformSubdomain Nachricht versenden
https://www.gbv.de/gsomenuSubdomain Text duplicate Datenbanken
/recherche/discovery-systeme/d...Subdomain Text duplicate Discovery-Systeme
/recherche/digitale-bibliothek...Subdomain Text duplicate Digitale Bibliothek
/informationen/benutzende/info...Subdomain Text duplicate Benutzende
/informationen/bibliotheken/bi...Subdomain Text duplicate Bibliotheken
/informationen/Verbundzentrale...Subdomain Text duplicate Verbundzentrale (VZG)
/informationen/Verbund/indexSubdomain Text duplicate Verbund (GBV)
https://www.bszgbv.de/New window External Subdomain Text duplicate BSZ-GBV
https://www.gbv.de/kurzSubdomain Abkürzungen
https://www.gbv.de/linksSubdomain Links
https://www.gbv.de/urnSubdomain URN
/erklaerung-zur-barrierefreiheitSubdomain Barrierefreiheit
https://www.gbv.de/datenschutzSubdomain Datenschutz
https://www.gbv.de/impressumSubdomain Impressum

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://www.gbv.de/"
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)
This page loads 7 CSS files. This may affect the page load time negatively.
This page loads 6 JavaScript files. This may affect the load time negatively.
The page response time is excellent with 0.36 seconds.
The file size of the HTML document is fine (24 kB).

HTTP Response Header

NameValue
servernginx
dateThu, 13 Mar 2025 14:24:31 GMT
content-typetext/html;charset=utf-8
transfer-encodingchunked
connectionkeep-alive
content-languagede
expiresSat, 01 Jan 2000 00:00:00 GMT
viawaitress
x-cache-ruleplone.content.itemView
x-frame-optionsSAMEORIGIN
x-powered-byZope (www.zope.dev), Python (www.python.org)
x-cache-statusMISS
strict-transport-securitymax-age=15768000; includeSubDomains
x-xss-protection1; mode=block
x-content-type-optionsnosniff
content-security-policydefault-src 'self' data:; img-src data: *; style-src 'self' 'unsafe-inline'; script-src 'self' 'unsafe-inline' 'unsafe-eval'; frame-ancestors 'self' *.suub.uni-bremen.de
content-encodinggzip
statuscode200
http_versionHTTP/1.1

External factors

This page is referenced by wikipedia.
This website has excellent links from other websites.
This page has backlinks from 138 referring domains.
This page has 133,319 backlinks.
This page has backlinks from 124 different ip addresses.

Robots.txt

Sitemap: https://www.gbv.de/sitemap.xml.gz

            # Define access-restrictions for robots/spiders
            # http://www.robotstxt.org/wc/norobots.html


            # By default we allow robots to access all areas of our site
            # already accessible to anonymous users

            User-agent: *
            Disallow: /vgm/
            Disallow: /cgi-bin/
            Disallow: /vzg-cms/
            Disallow: /vd17-cms/
            Disallow: /icons/
            Disallow: /graphics/
            Disallow: /tests/
            Disallow: /du/services/
            Disallow: /de/services/
            Disallow: /en/services/
            Disallow: /HarriDeutsch/
            Disallow: /dms/faz-rez/
            Disallow: /gso/
            Disallow: /bibliotheken/verbundbibliotheken/02Verbund/01Erschliessung/


            # Add Googlebot-specific syntax extension to exclude forms
            # that are repeated for each piece of content in the site
            # the wildcard is only supported by Googlebot
            # http://www.google.com/support/webmasters/bin/answer.py?answer=40367&ctx=sibling
            User-Agent: Googlebot
            Disallow: /*?
            Disallow: /*atct_album_view$
            Disallow: /*folder_factories$
            Disallow: /*folder_summary_view$
            Disallow: /*login_form$
            Disallow: /*mail_password_form$
            Disallow: /@@search
            Disallow: /*search_rss$
            Disallow: /*sendto_form$
            Disallow: /*summary_view$
            Disallow: /*thumbnail_view$
            Disallow: /*view$
            Disallow: /vgm/
            Disallow: /cgi-bin/
            Disallow: /vzg-cms/
            Disallow: /vd17-cms/
            Disallow: /icons/
            Disallow: /graphics/
            Disallow: /tests/
            Disallow: /du/services/
            Disallow: /de/services/
            Disallow: /en/services/
            Disallow: /HarriDeutsch/
            Disallow: /dms/faz-rez/
            Disallow: /gso/
            Disallow: /bibliotheken/verbundbibliotheken/02Verbund/01Erschliessung/

Search preview

Most important keywords

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

KeywordResultRecheck
GBV63%Check
Willkommen62%Check
Willkommen Verbundzentrale56%Check
Verbundzentrale50%Check
VZG36%Check
header36%Check
jpg36%Check
Gemeinsamen34%Check
Informationen34%Check
Bibliotheksverbundes34%Check

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