Kobv.de - SEO Checker

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Overview of the SEO Check
Meta information
80% 
Page quality
55% 
Page structure
95% 
Link structure
95% 
Server
84% 
External factors
100% 
SEO Score
Response time
0.27 s
File size
61.00 kB
Words
266
Media files
12
Number of links
71 internal / 8 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
KOBV – Kooperativer Bibliotheksverbund Berlin-Brandenburg
The length of the page title is perfect. (547 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.kobv.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)
The favicon is linked correctly.

Meta tags

NameValue
viewportwidth=device-width, initial-scale=1, minimum-scale=1
robotsmax-image-preview:large
langde
charsetUTF-8

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Page quality

Content
(Critically important)
Words from the H1 heading are not used in the page content.
There are only 266 words on this page. Good pages should have about 800 words of useful content.
21.1% 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.
3 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 16.8 words is good.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
No Apple touch icon is specified.
This page loads 5 JavaScript files. This may affect the load time negatively.
A viewport "width=device-width, initial-scale=1, minimum-scale=1" is provided.
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)
2 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
...19/11/kobv-logo_ohne_text_dunkelblau.pngKOBV
...ontent/uploads/2015/03/Kontakt_weiss.pngKontaktKontakt
/wp-content/uploads/2015/04/OPUS.jpgOPUS 4OPUS 4
/wp-content/uploads/2015/03/Service-LZA.jpgEwig StartseiteEwig Startseite
...s/2014/06/DeepGreen_Logo_neue-Farben.pngDeepGreen StartseiteDeepGreen Startseite
...t/uploads/2015/03/Koffer_weiss_klein.pngFernleiheFernleihe
...oads/2021/05/OPEN_LIBRARY_BADGE_2020.jpgOpen Library Batch 2020Open Library Batch 2020
/wp-content/uploads/2015/12/digiS.jpgdigiSdigiS
/wp-content/uploads/2015/12/FAK1.jpgFAKFAK
...loads/2024/07/Enter-Award_Tile_gruen.pngEnter Award 2024Enter Award 2024
data:[...] Base64No alt attribute provided
data:[...] Base64No alt attribute provided

Page structure

H1 heading
(Critically important)
Suchen und Finden leicht gemacht in den Katalogen der Berliner und Brandenburger Bibliotheken
The H1 heading is perfect.
Headings
(Important)
Some headings do not have any content.

Heading structure

Heading levelContent
H1 Suchen und Finden leicht gemacht in den Katalogen der Berliner und Brandenburger Bibliotheken
H2 OPUS-Release Version 4.10.1 veröffentlicht
H2 OPUS-Release Version 4.10 veröffentlicht
H2 Programm und Anmeldung 24. KOBV-Forum
H2 Publikationsserver der Berliner Hochschule für Technik jetzt beim KOBV
H2 Der KOBV (und digiS) auf der BiblioCon
H3 Empty heading
H3 Aktuelles
H3 Der KOBV
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 8 external links on this page.

Found links on this page

LinkAttributesAnchor text
https://www.kobv.de/IMG-ALT KOBV
A-TITLE KOBV
https://www.kobv.de/kobv/Der KOBV
https://www.kobv.de/kobv/verbund/Verbund
/kobv/verbund/strategie/Strategie
/kobv/verbund/gremien/Gremien
/kobv/verbund/statuten/Statuten
/kobv/verbund/aufgabenverzeich...Aufgabenverzeichnis
/kobv/verbund/kooperationen/Kooperationen
/kobv/verbund/statistik/Statistiken
/kobv/verbund/zusammenarbeit/Arbeitsgruppen und Mailinglisten
/kobv/bibliotheken/KOBV-Bibliotheken
/kobv/bibliotheken/teilnehmer-...Teilnehmer am Verbund
/kobv/kobv-zentrale/KOBV-Zentrale
/kobv/kobv-zentrale/organigramm/Organigramm
/kobv/kobv-zentrale/team/Team
https://www.kobv.de/services/Services
/services/recherche/Recherche
/services/recherche/portal/KOBV-Portal
/services/recherche/z39-50/Z39.50-Server
/services/recherche/sru/SRU-Server
/services/recherche/openurl/OpenURL-Schnittstelle
/services/recherche/bibliothek...Bibliothekenführer
/services/recherche/vks/Virtuelle Kataloge
/services/fernleihe/Fernleihe
/services/archivierung/Archivierung
/services/archivierung/lza/Langzeitarchivierung
/services/archivierung/volltex...Volltextserver
/services/katalog/Katalogisierung
/services/katalog/b3kat/B3Kat
/services/katalog/daten/Fremd- und Normdaten
/services/hosting/Hosting
/services/hosting/opus/OPUS
/services/hosting/albert/ALBERT
/services/hosting/sfx/SFX
/services/hosting/infrastruktur/Hardware Infrastruktur
https://status.kobv.de/New window External Subdomain Status der KOBV-Services
https://www.kobv.de/entwicklung/Entwicklung
/entwicklung/projekte/Projekte
/entwicklung/projekte/fan-full...FAN – Fully algorithmic Librarian
/entwicklung/projekte/claudi-b...CLAUDI – Berlin library cloud
/entwicklung/projekte/facts-fr...FACTS – Fraud Analysis and Counterfeit Testing in Scholarly Publishing
/entwicklung/projekte/archiv/Projektarchiv
/entwicklung/software/Software
/entwicklung/software/opus-4/OPUS 4
/entwicklung/software/mable/MABLE+
/entwicklung/software/marcel/MARCEL
/entwicklung/software/rvkvisual/RVKvisual
/publikationen/Publikationen
/publikationen/newsletter/Newsletter
/publikationen/jahresberichte/Jahresberichte
/publikationen/media/Pressematerial
/publikationen/diverses/Veröffentlichungen der KOBV-MitarbeiterInnen
/veranstaltungen/Veranstaltungen
/veranstaltungen/kobv-forum/KOBV-Forum
/veranstaltungen/kobv-kolloquium/KOBV-Fachkolloquium
/veranstaltungen/workshops/Workshops / Schulungen
/veranstaltungen/bibliothekartag/Bibliothekartag / Bibliothekskongress
https://www.kobv.de/aktuelles/Aktuelles
https://www.kobv.de/kobv/verbund/Text duplicate Verbund
https://www.kobv.de/kontakt/Kontakt
IMG-ALT Kontakt
A-TITLE Kontakt
/entwicklung/software/opus-4/Text duplicate IMG-ALT OPUS 4
A-TITLE OPUS 4
/entwicklung/software/opus-4/OPUS 4 ist eine Open Source-Software für den Betrieb institutioneller und fachlicher Repositorien. OPUS 4 wird seit 2010 in der KOBV-Zentrale (weiter-) entwi...
/opus-release-version-4-10-1-v...OPUS-Release Version 4.10.1 veröffentlicht
/opus-release-version-4-10-ver...OPUS-Release Version 4.10 veröffentlicht
/programm-und-anmeldung-24-kob...Programm und Anmeldung 24. KOBV-Forum
/publikationsserver-der-berlin...Publikationsserver der Berliner Hochschule für Technik jetzt beim KOBV
/der-kobv-und-digis-auf-der-bi...Der KOBV (und digiS) auf der BiblioCon
http://osm.org/go/0MZrZHBvI-?w...New window External Anfahrt (Open Street Map)
/services/archivierung/lza/Ewig Startseite
IMG-ALT Ewig Startseite
A-TITLE Ewig Startseite
https://info.oa-deepgreen.de/External Subdomain DeepGreen Startseite
IMG-ALT DeepGreen Startseite
A-TITLE DeepGreen Startseite
/services/recherche/fernleihe/Text duplicate Fernleihe
IMG-ALT Fernleihe
A-TITLE Fernleihe
/der-kobv-erhaelt-den-open-lib...Open Library Batch 2020
IMG-ALT Open Library Batch 2020
A-TITLE Open Library Batch 2020
http://www.servicestelle-digit...External Subdomain digiS
IMG-ALT digiS
A-TITLE digiS
http://althoff-konsortium.de/External FAK
IMG-ALT FAK
A-TITLE FAK
https://enter-award.irights-la...New window External Subdomain Enter Award 2024
IMG-ALT Enter Award 2024
A-TITLE Enter Award 2024
https://openbiblio.social/@kob...New window External @kobv_zt
http://linkedin.com/company/ko...External LinkedIn
/information/impressum-und-dat...Impressum und Datenschutz
/information/impressum-und-dat...Text duplicate Impressum und Datenschutz

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://www.kobv.de/"
HTTP header
(Important)
The web server version is sent within the HTTP header.
No X-Powered HTTP header is sent.
The web server transmits the web page (HTML) in compressed form.
Performance
(Somewhat important)
This page loads 4 CSS files. This may affect the page load time negatively.
This page loads 5 JavaScript files. This may affect the load time negatively.
The page response time is excellent with 0.27 seconds.
The file size of the HTML document is fine (61 kB).

HTTP Response Header

NameValue
dateSat, 06 Jun 2026 01:15:47 GMT
serverApache/2.4.67
link<https://www.kobv.de/>; rel=shortlink
varyAccept-Encoding
content-encodinggzip
content-security-policyframe-ancestors 'self';
strict-transport-securitymax-age=31536000
x-content-type-optionsnosniff
content-length13641
content-typetext/html; charset=UTF-8
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 89 referring domains.
This page has 61,470 backlinks.
This page has backlinks from 82 different ip addresses.

Links from Wikipedia

You can find more links using Wikipedia search

Robots.txt

User-agent: *
Disallow: /tile/
Disallow: /tile-category/
Disallow: /wp-admin/
Disallow: /xmlrpc.php

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Search preview

Most important keywords

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

KeywordResultRecheck
KOBV72%Check
Berlin61%Check
Brandenburg61%Check
Berliner54%Check
KOBV Kooperativer Bibliotheksverbund54%Check
Bibliotheksverbund51%Check
Bibliotheksverbund Berlin-Brandenburg51%Check
Kooperative51%Check
Berlin-Brandenburg50%Check
Bibliotheken50%Check
Show more keywords and terms

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