Kobib.de - SEO Checker

Sign up for free! PDF Export
Overview of the SEO Check
Meta information
97% 
Page quality
61% 
Page structure
97% 
Link structure
25% 
Server
95% 
External factors
6% 
SEO Score
Response time
0.50 s
File size
134.80 kB
Words
10916
Media files
0
Number of links
47 internal / 22 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Kritische Geschichte - Kooperative Bibliografie
The length of the page title is perfect. (413 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
Literatur zur Kritischen Geschichte: Literaturnachweise mit emanzipatorischem, gesellschaftskritischen Charakter. Über Zotero kooperativ erfasst.
The length of the meta description is perfect. (896 pixels out of 1000 max pixel length)
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
https://kobib.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, minimum-scale=1
robotsmax-snippet:-1,max-image-preview:standard,max-video-preview:-1
descriptionLiteratur zur Kritischen Geschichte: Literaturnachweise mit emanzipatorischem, gesellschaftskritischen Charakter. Über Zotero kooperativ erfasst.
langde
twitter:cardsummary_large_image
twitter:titleKritische Geschichte - Kooperative Bibliografie
twitter:descriptionLiteratur zur Kritischen Geschichte: Literaturnachweise mit emanzipatorischem, gesellschaftskritischen Charakter. Über Zotero kooperativ erfasst.
og:localede_DE
og:typewebsite
og:titleKritische Geschichte - Kooperative Bibliografie
og:descriptionLiteratur zur Kritischen Geschichte: Literaturnachweise mit emanzipatorischem, gesellschaftskritischen Charakter. Über Zotero kooperativ erfasst.
og:urlhttps://kobib.de/
og:site_nameKritische Geschichte
charsetUTF-8

Automatically check kobib.de including all subpages at once!

Try for free
Guaranteed free of charge during trial period.

Page quality

Content
(Critically important)
Some words from the page title are not used within the pages content
The content of this page is too large (10916 words). Maybe the content could be divided into several pages.
The average number of words per sentence of 28.51 words is high.
0.1% of the text are stop words.
Words from the H1 heading are used in the page content.
The page contains a listing, which indicates a good text layout.
26 paragraphs were found on this page.
No placeholders texts or images were found.
There are no duplicates on the site.
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, 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 218 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

No media files were found.

Page structure

H1 heading
(Critically important)
Neueste Einträge
The H1 heading is too short (16 characters). It should be at least 20 Characters long.
Headings
(Important)
The heading structure is perfect.

Heading structure

Heading levelContent
H1 Neueste Einträge
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.
None of the anchor texts is too long.
There are 22 external links on this page.

Found links on this page

LinkAttributesAnchor text
https://kobib.de/Anchor Zum Inhalt springen
https://kobib.de/No Text
https://kobib.de/themen-suchenStart
https://kobib.de/themen-suchenThemen suchen
https://kobib.de/freie-sucheFreitextsuche
https://kobib.de/Neueste Einträge
https://kobib.de/mitmachenMitmachen
https://kobib.de/ueber-kobibÜber Kobib
https://kobib.de/No Text
https://kobib.de/themen-suchenText duplicate Start
https://kobib.de/themen-suchenText duplicate Themen suchen
https://kobib.de/freie-sucheText duplicate Freitextsuche
https://kobib.de/Text duplicate Neueste Einträge
https://kobib.de/mitmachenText duplicate Mitmachen
https://kobib.de/ueber-kobibText duplicate Über Kobib
/wp-content/plugins/zotpress/l...Cite
A-TITLE Cite in RIS Format
/wp-content/plugins/zotpress/l...Text duplicate Cite
A-TITLE Cite in RIS Format
/wp-content/plugins/zotpress/l...Text duplicate Cite
A-TITLE Cite in RIS Format
/wp-content/plugins/zotpress/l...Text duplicate Cite
A-TITLE Cite in RIS Format
/wp-content/plugins/zotpress/l...Text duplicate Cite
A-TITLE Cite in RIS Format
/wp-content/plugins/zotpress/l...Text duplicate Cite
A-TITLE Cite in RIS Format
https://doi.org/10.52007/97839...External Kulturen des Verdrängens und Erinnerns. Perspektiven auf die rassistische Gewalt in Rostock-Lichtenhagen 1992
/wp-content/plugins/zotpress/l...Text duplicate Cite
A-TITLE Cite in RIS Format
https://weristwalter.eu/wp-con...External Wer ist Walter? International perspectivs on Resistance in Europe during World War II
/wp-content/plugins/zotpress/l...Text duplicate Cite
A-TITLE Cite in RIS Format
https://doi.org/10.25365/oezg-...External Radikaler Druck – Druckerzeugnisse und Radikalitäten in der zweiten Welle des Feminismus in den USA
/wp-content/plugins/zotpress/l...Text duplicate Cite
A-TITLE Cite in RIS Format
/wp-content/plugins/zotpress/l...Text duplicate Cite
A-TITLE Cite in RIS Format
/wp-content/plugins/zotpress/l...Text duplicate Cite
A-TITLE Cite in RIS Format
/wp-content/plugins/zotpress/l...Text duplicate Cite
A-TITLE Cite in RIS Format
https://duepublico2.uni-due.de...External Subdomain Rez.: Jule Ehms, Revolutionärer Syndikalismus in der Praxis. Die Betriebsarbeit der Freien Arbeiter-Union Deutschlands von 1918 bis 1933
http://doi.org/10.17185/duepub...External URL anchor text
http://doi.org/10.17185/duepublico/19418
/wp-content/plugins/zotpress/l...Text duplicate Cite
A-TITLE Cite in RIS Format
/wp-content/plugins/zotpress/l...Text duplicate Cite
A-TITLE Cite in RIS Format
/wp-content/plugins/zotpress/l...Text duplicate Cite
A-TITLE Cite in RIS Format
https://duepublico2.uni-due.de...External Subdomain Rez.: Detlef Siegfried, Bogensee. Weltrevolution in der DDR 1961–1989
http://doi.org/10.17185/duepub...External Text duplicate URL anchor text
http://doi.org/10.17185/duepublico/19418
/wp-content/plugins/zotpress/l...Text duplicate Cite
A-TITLE Cite in RIS Format
https://duepublico2.uni-due.de...External Subdomain Rechter Kampf um die Betriebe – zum historischen und aktuellen Aufbau rechter Betriebsgruppen am Beispiel der Nationalsozialistischen Betriebszellenorganisat...
http://doi.org/10.17185/DUEPUB...External URL anchor text
http://doi.org/10.17185/DUEPUBLICO/81526
/wp-content/plugins/zotpress/l...Text duplicate Cite
A-TITLE Cite in RIS Format
https://duepublico2.uni-due.de...External Subdomain Kommunistische Bewegung in der Weimarer Republik und im Widerstand gegen den Nationalsozialismus.: Neuere Untersuchungen und Forschungsschwerpunkte. Zweiter ...
http://doi.org/10.17185/DUEPUB...External URL anchor text
http://doi.org/10.17185/DUEPUBLICO/81525
/wp-content/plugins/zotpress/l...Text duplicate Cite
A-TITLE Cite in RIS Format
https://duepublico2.uni-due.de...External Subdomain Die Anfänge der proletarischen Frauenbewegung und ihre Internationalisierung zu Beginn des 20. Jahrhunderts
http://doi.org/10.17185/DUEPUB...External URL anchor text
http://doi.org/10.17185/DUEPUBLICO/81523
/wp-content/plugins/zotpress/l...Text duplicate Cite
A-TITLE Cite in RIS Format
/wp-content/plugins/zotpress/l...Text duplicate Cite
A-TITLE Cite in RIS Format
/wp-content/plugins/zotpress/l...Text duplicate Cite
A-TITLE Cite in RIS Format
http://library.fes.de/pdf-file...External Subdomain Konservativer und gewerkschaftlicher Widerstand gegen den Nationalsozialismus, neue Forschungen zu Carl F. Goerdeler und Wilhelm Leuschner
/wp-content/plugins/zotpress/l...Text duplicate Cite
A-TITLE Cite in RIS Format
https://sozialgeschichteonline...External Subdomain Späte Wahrheit. Bemerkungen zu der jüngst bekanntgewordenen Erschießung deutscher Gefangener durch französische Partisanen im Juni 1944
/wp-content/plugins/zotpress/l...Text duplicate Cite
A-TITLE Cite in RIS Format
/wp-content/plugins/zotpress/l...Text duplicate Cite
A-TITLE Cite in RIS Format
https://duepublico2.uni-due.de...External Subdomain Kommunistische Bewegung in der Weimarer Republik und im Widerstand gegen den Nationalsozialismus: Neuere Untersuchungen und Forschungsschwerpunkte. Erster Te...
http://doi.org/10.17185/DUEPUB...External URL anchor text
http://doi.org/10.17185/DUEPUBLICO/77535
/wp-content/plugins/zotpress/l...Text duplicate Cite
A-TITLE Cite in RIS Format
https://kobib.de/themen-suchenText duplicate Themen suchen
https://kobib.de/freie-sucheFreie Suche
http://kobib.de/neueste-eintraegeText duplicate Neueste Einträge
https://www.zotero.org/groups/...New window External Subdomain Kobib-Datenbank (Zotero)
https://kobib.de/impressumImpressum
/datenschutzerklaerungDatenschutz
https://themeisle.com/de/theme...Nofollow External Neve
https://wordpress.org/Nofollow External WordPress
https://kobib.de/impressumText duplicate Impressum
/datenschutzerklaerungText duplicate Datenschutz
https://themeisle.com/de/theme...Nofollow External Text duplicate Neve
https://wordpress.org/Nofollow External Text duplicate WordPress

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://kobib.de/"
HTTP header
(Important)
No X-Powered HTTP header is sent.
The web server transmits the web page (HTML) in compressed form.
Performance
(Somewhat important)
The page response time of 0.50 seconds is longer than the recommended limit of 0.4 seconds. A high response time unnecessarily slows down search engine crawling and results in bad user experience as well.
The file size of the HTML document is fine (135 kB).

HTTP Response Header

NameValue
dateMon, 07 Apr 2025 04:37:36 GMT
content-typetext/html; charset=UTF-8
varyAccept-Encoding
servernginx
link<https://kobib.de/wp-json/>; rel="https://api.w.org/", <https://kobib.de/wp-json/wp/v2/pages/113>; rel="alternate"; type="application/json", <https://kobib.de/>; rel=shortlink
x-xss-protection1; mode=block
permissions-policyinterest-cohort=()
x-content-type-optionsnosniff
strict-transport-securitymax-age=31536000
content-security-policyworker-src 'self'
x-frame-optionsSAMEORIGIN
referrer-policystrict-origin-when-cross-origin
content-encodinggzip
statuscode200
http_versionHTTP/2

External factors

This page has only a few links from other websites.
This page only has backlinks from 2 referring domains.
This page only has 2 backlinks.
This page only has few backlinks from 2 different ip addresses.

Links from Wikipedia

No links from Wikipedia were found.

Robots.txt

User-agent: *
Disallow: /wp-admin/
Allow: /wp-admin/admin-ajax.php

Sitemap: https://kobib.de/sitemap.xml

Similar sites

Search preview

kobib.de
Kritische Geschichte - Kooperative Bibliografie
Literatur zur Kritischen Geschichte: Literaturnachweise mit emanzipatorischem, gesellschaftskritischen Charakter. Über Zotero kooperativ erfasst.

Most important keywords

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

KeywordResultRecheck
20class 3D34%Check
7B 22creatorType 22 3A34%Check
22 2C 22firstName34%Check
2C 22firstName 22 3A34%Check
22 2C 22lastName34%Check
2C 22lastName 22 3A34%Check
cite34%Check
php34%Check
user34%Check
key34%Check
Show more keywords and terms

Automatically check kobib.de including all subpages at once!

Try for free
Guaranteed free of charge during trial period.

Cookie Policy

We use cookies to make our site work and also for analytics and advertising purposes. You can enable or disable optional cookies as desired. See the following links for more information.

Contact | Privacy

We need these so the site can function properly

So we can better understand how visitors use our website

So we can serve you tailored ads and promotions