- SEO Checker

Overview of the SEO Check
Meta information
Page quality
Page structure
Link structure
External factors
SEO Score
Response time
0.07 s
File size
64.70 kB
Media files
Number of links
152 internal / 20 external

Task list of SEO Improvements

Meta specifications

(Critically important)
Home – GESIS
The page title is too short. (139 pixels of 580 max pixel length) Optimize title
There are no duplicate words in the title
Meta description
(Critically important)
GESIS Leibniz Institut für Sozialwissenschaften
The length of the meta description is perfect. (294 pixels out of 1000 max pixel length)
(Critically important)
There are no problems in accessing the website.
Canonical URL
There is a valid canonical link specified.
(Somewhat important)
Language detected in text: de
Language defined in HTML: de
Server location: Germany
The following language is defined by HTML: de
Alternate/Hreflang Links
(Somewhat important)
The specified alternate links have no errors.
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.
(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.
(Nice to have)
The doctype HTML 5 is set correctly.
The doctype is placed at first in the HTML code.
(Nice to have)
The favicon is linked correctly.

Meta tags

generatorTYPO3 CMS
viewportwidth=device-width, initial-scale=1
descriptionGESIS Leibniz Institut für Sozialwissenschaften
keywordsAggregatdaten, ALLBUS, amtliche, Mikrodaten, Beratung, Branchenklassifikation, CEWS, Comparative, Sampling, Daten, Datenzugang, Datenanalyse, Datenarchiv, Datenerhebung, Dauerbeobachtung, Demografie, digitale Bibliothek, Dokumentation, empirische Sozialforschung, Eurobarometer, European Value Study, Forschungsdatenbanken, Forschungsdatenzentrum, Dauerbeobachtung, Historische, Sozialforschung, Informationssystem, PIAAC, Sekundäranalyse, Servicezentrum, Skalen, SOFIS, SOWIPORT, Soziale Indikatoren, sozialer Wandel, Sozialstruktur, Sozialwissenschaften, SSOAR, Standardisierung, Telefonumfragen, Wahlforschung, ZACAT, Zeitreihen, ZIS, EHES, Fragebogen, Pretest, Pretesting, Kognitive Interviews, Eyetracking
icbm50.9426, 6.9524
dc.titleGESIS - Leibniz-Institut für Sozialwissenschaften
abstractGESIS Leibniz Institut für Sozialwissenschaften

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Page quality

(Critically important)
This page contains 912 words. That's ok.
26.3% of the text are stop words.
The page contains a listing, which indicates a good text layout.
18 paragraphs were found on this page.
The text content is perfect.
No placeholders texts or images were found.
There are no duplicates on the site.
The average number of words per sentence of 14.08 words is good.
(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" is provided.
This page only loads 3 JavaScript files. That's good!
Bold and strong tags
(Somewhat important)
Some tags are too long. With 95 characters this one is longer than 70 characters:
"exploring the methodological choices, challenges and solutions in working with new data sources"
Image SEO
(Somewhat important)
13 images have no alt attribute. The content of alt attributes is used by search engines.
Social Networks
(Nice to have)
This page is optimized perfectly for social networks.
Additional markup
(Nice to have)
The HTML has geoname information: DE-NW
The HTML has georegion information: Köln
The HTML has geoposition information: 50.9426;6.9524
(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
...lic/webpack/dist/img/gs_home_logo_de.svgGESIS Leibniz-Institut für Sozialwissenschaften: Homepage aufrufen alt attribute provided
...yles/img/research/gs_research_teaser.svgNo alt attribute provided
.../img/organigram/gs_organigram_teaser.svgNo alt attribute provided
.../9/csm_PIAAC_Logo-Print_0_89956f87a0.jpgNo alt attribute provided
...arnessing-Data-Innovation_55007b238b.jpgNo alt attribute provided
...6/5/csm_book-1283865_1920_30c310014d.jpgNo alt attribute provided
...ssed_/d/3/csm_Translation_6143abd5a6.jpgNo alt attribute provided
.../8/csm_Current_Psychology_c79b53183b.jpgNo alt attribute provided
...m_Cover_Digital_Libraries_1cc97a816c.jpgNo alt attribute provided
...essed_/6/1/csm_Fragebogen_191f62d464.jpgNo alt attribute provided
...cessed_/a/5/csm_easy_Auge_cac0236727.pngNo alt attribute provided
...cessed_/6/0/csm_Cover_POQ_77b4bab99b.jpgNo alt attribute provided
.../csm_Data_Spotlight_final_70acf38475.jpgNo alt attribute provided
...upload/allgemein/logos/facebook_icon.svgGESIS bei FacebookGESIS bei Facebook
.../upload/allgemein/logos/twitter_icon.svgGESIS bei TwitterGESIS bei Twitter
/fileadmin/user_upload/instagram.svgGESIS bei InstagramGESIS bei Instagram
...bpack/dist/img/leibniz_logo_de_white.svgGESIS ist ein Institut der Leibniz-Gemeinschaft

Page structure

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

Heading structure

Heading levelContent
H2 Angebot
H2 Forschung
H2 Institut
Some internal link anchor texts are too long.
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.
There are 20 external links on this page.
LinkAttributesAnchor text Zum Hauptinhalt springen Zur GESIS-Suche springen Zum Navigationsmenü springen Zur Fußzeile springen page version GESIS Leibniz-Institut für Sozialwissenschaften: Homepage aufrufen
A-TITLE GESIS Leibniz-Institut für Sozialwissenschaften: Homepage aufrufen
/angebot/studien-planen-und-da...Studien planen und Daten erheben
/angebot/studien-planen-und-da...Umfragemethodische Beratung
/angebot/studien-planen-und-da...Basiswissen Sozialwissenschaft
/gesis-survey-guidelines/homeGESIS Survey Guidelines
/angebot/studien-planen-und-da...Items und Skalen
/angebot/studien-planen-und-da...Kognitives Pretesting
/gesis-panel/gesis-panel-homeGESIS Panel
/angebot/daten-finden-und-abrufenDaten finden und abrufen
/angebot/daten-finden-und-abru...European Values Study
/angebot/daten-finden-und-abru...Internationale Umfragen
/angebot/daten-finden-und-abru...Digitale Verhaltensdaten: Datensätze
/angebot/daten-aufbereiten-und...Daten aufbereiten und analysieren
/angebot/daten-aufbereiten-und...Text duplicate Umfragemethodische Beratung
/angebot/daten-aufbereiten-und...Gewichtung und Analyse komplexer Daten
/gml/gml-homeService zu amtlichen Mikrodaten
/angebot/daten-aufbereiten-und...Analyse sensibler Daten
/angebot/daten-aufbereiten-und...Analyse Digitaler Verhaltensdaten
/angebot/archivieren-und-teilenArchivieren und teilen
/datenservices/homeDaten teilen Subdomain Skripte und Syntax teilen Subdomain Skalen und Items teilen da|ra Subdomain Volltextserver SSOAR
/angebot/wissen-vermittelnWissen vermitteln
/angebot/wissen-vermitteln/mee...Meet the Experts
/gesis-training/homeGESIS Training
/angebot/wissen-vermitteln/css...CSS Capacity Building
/forschung/umfragemethodik/sur...Survey Statistics
/forschung/umfragemethodik/sur...Survey Instruments
/forschung/umfragemethodik/sur...Survey Operations
/forschung/umfragemethodik/com...Comparative Surveys
/forschung/angewandte-informatikAngewandte Informatik
/forschung/angewandte-informat...Information Linking and Retrieval
/forschung/angewandte-informat...Text and Data Mining
/forschung/angewandte-informat...Network Science
/forschung/angewandte-informat...Open Science
/forschung/angewandte-informat...Knowledge Graph Infrastruktur
/forschung/forschungsdatenmana...Teilen von Daten
/forschung/forschungsdatenmana...Datenschutz und Datensicherheit
/forschung/forschungsdatenmana...Neue Datentypen
/forschung/aktuelle-gesellscha...Aktuelle gesellschaftliche Fragen
/forschung/aktuelle-gesellscha...Education and Skills
/forschung/aktuelle-gesellscha...Gender und Sozialstruktur
/forschung/aktuelle-gesellscha...Values, Attitudes, and Behavior
/forschung/aktuelle-gesellscha...Public and Organizational Policies
/forschung/aktuelle-gesellscha...Elections, Politics, and Political Behavior
/forschung/aktuelle-gesellscha...Algorithmen und Gesellschaft
/forschung/tagungen-und-konfer...Tagungen und Konferenzen
/forschung/tagungen-und-konfer...Computational Social Science Events
/institut/abteilungen/computat...Computational Social Science
/institut/abteilungen/data-ser...Data Services for the Social Sciences
/institut/abteilungen/data-and...Data and Research on Society
/institut/abteilungen/knowledg...Knowledge Technologies for the Social Sciences
/institut/abteilungen/survey-d...Survey Data Curation
/institut/abteilungen/survey-d...Survey Design and Methodology
/institut/abteilungen/it-infra...IT-Infrastructure and Services
/institut/abteilungen/knowledg...Knowledge Exchange and Outreach
/institut/forschungsdatenzentr...FDZ ALLBUS
/institut/forschungsdatenzentr...FDZ German Microdata Lab
/institut/forschungsdatenzentr...FDZ Internationale Umfrageprogramme
/institut/forschungsdatenzentr...FDZ PIAAC
/institut/forschungsdatenzentr...FDZ Wahlen
/institut/integrierte-erhebung...Integrierte Erhebungs- und Dateninfrastruktur
/institut/digitale-verhaltensd...Digitale Verhaltensdaten
/institut/gesis-in-ericsGESIS in ERICs
/institut/der-vereinDer Verein
/institut/der-verein/wiss-beiratWiss. Beirat
/fileadmin/upload/institut/lei...Regeln guter wissenschaftlicher Praxis
/institut/presse-und-medienPresse und Medien
/institut/presse-und-medien/ge...gesis report
/institut/presse-und-medien/pr...Pressemappe Subdomain GESIS-Blog Subdomain GESIS Podcast
/institut/presse-und-medien/so...Social Media
/institut/adresse-und-anreiseAdresse und Anreise
/institut/adresse-und-anreise/...Standort Mannheim
/institut/adresse-und-anreise/...Standort Köln
http://www.hidden-professional...External Stellenangebote
/institut/karriere/wir-bietenWir bieten
/institut/karriere/mitarbeiten...Mitarbeitende im Forschungsservice, IT und Verwaltung
/institut/karriere/gesis-docto...GESIS Doctoral Program
/institut/karriere/wir-bilden-ausWir bilden aus!
/institut/karriere/unser-bewer...Unser Bewerbungsprozess
/institut/karriere/wir-bieten/...Information for our international applicants
/institut/vereinbarkeit-von-be...Vereinbarkeit von Beruf und Familie
/institut/gleichstellung-von-f...Gleichstellung von Frauen und Männern
/institut/vergabe/vergebene-au...vergebene Aufträge
/institut/impressumImpressum duplicate Angebot duplicate Forschung duplicate Institut duplicate Kontakt duplicate Hilfe window External "Umfragen von GESIS Puls"
/info/gesis-pulsNew window window External Subdomain Weitere Informationen window External Subdomain URL anchor text
A-TITLE window External Subdomain Further information window External Informationen zur Antragsstellung window Nofollow External window External URL anchor text window External Call for Papers
/angebot/wissen-vermitteln/mee...Anmeldung, Termine und weitere Informationen zu den Vorträgen duplicate Angebot duplicate Forschung duplicate Institut
/home?type=9818A-TITLE RSS-Feed
/gesis-news/article/piaac-scri...PIAAC Scripts Digital Platform - Kollektion von PIAAC-Skripten frei verfügbar
/gesis-news/article/jetzt-verf...Jetzt verfügbar: Harnessing Data Innovation for Migration Policy: A Handbook for Practitioners
/gesis-news/article/neu-erschi...Neu erschienen: Dr. Oshrat Hochman (Hg.): Immigration and Integration in Israel and Beyond
/gesis-news/article/wie-uebers...Wie übersetzt man einen Fragebogen? Neue Survey Guideline zur Fragebogenübersetzung erschienen
/gesis-news/article/neue-publi...Neue Publikation: Jedinger & Kaminski: The association between system-justifying ideologies and attitudes toward the social market economy in Germany
/gesis-news/article/neue-publi...Neue Publikation: Roy, Carevic & Mayr: Retrievability in an integrated retrieval system: an extended study.
/gesis-news/article/fehlende-w...Fehlende Werte in Umfragedaten? Neue Survey Guideline hilft weiter
/gesis-news/article/neu-erschi...Neu erschienen: easy (68): Digitale Gesellschaft(en). Neue Forschungsansätze zur Digitalen Transformation
/gesis-news/article/neue-publi...Neue Publikation: Bernhard Clemm von Hohenberg: Truth and Bias, Left and Right: Testing Ideological Asymmetries with a Realistic News Supply
/gesis-news/article/jetzt-neu-...Jetzt neu: Data Spotlights im GESIS Blog window External IMG-ALT GESIS bei Facebook
A-TITLE GESIS bei Facebook window External IMG-ALT GESIS bei Twitter
A-TITLE GESIS bei Twitter window External IMG-ALT GESIS bei Instagram
A-TITLE GESIS bei Instagram
/institut/impressumText duplicate Impressum
/institut/datenschutzText duplicate Datenschutz window External Bei Facebook teilen window External Bei Twitter teilen window External Bei LinkedIn teilen

Server configuration

HTTP redirects
(Critically important)
The checked page does not redirect to another URL.
HTTP header
No X-Powered HTTP header is sent.
This page uses GZip for compressed data transmission.
(Somewhat important)
The page response time is excellent with 0.07 seconds.
This page only loads 3 CSS files. That's ok.
This page only loads 3 JavaScript files. That's good!
The file size of the HTML document is fine (65 kB).

HTTP Response Header

dateTue, 30 May 2023 18:44:22 GMT
expiresWed, 31 May 2023 12:56:01 GMT
content-security-policyframe-ancestors 'self';
content-typetext/html; charset=utf-8

External factors

(Nice to have)
This website is not classified "for adult only".
This page is referenced by wikipedia.
This website has excellent links from other websites.
This page has backlinks from 580 referring domains.
This page has 21,202 backlinks.
This page has backlinks from 521 different ip addresses.
Facebook popularity
(Somewhat important)
The page has 0 shares and comments on Facebook.
Listed on Webwiki
(Nice to have)
This website is listed on Webwiki.



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User-agent: SemrushBot
Disallow: /

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GESIS Leibniz Institut für Sozialwissenschaften

Most important keywords

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

GESIS Leibniz Institut53%Check
GESIS Puls52%Check
New Data40%Check

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