Pdi-berlin.de - SEO Checker

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Overview of the SEO Check
Meta information
80% 
Page quality
77% 
Page structure
100% 
Link structure
77% 
Server
91% 
External factors
100% 
SEO Score
Response time
0.26 s
File size
58.30 kB
Words
679
Media files
14
Number of links
57 internal / 2 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Paul-Drude-Institut für Festkörperelektronik
The length of the page title is perfect. (387 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
The Paul-Drude-Institut für Festkörperelektronik (PDI) is a research institute located in Berlin, Germany. We perform basic and applied research at the nexus of materials science, condensed matter physics, and device engineering. The institute is part of the Forschungsverbund Berlin and a member of the Leibniz Association.
The meta description is too long: 2002 pixels from max. 1000 pixels. Optimize description
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
https://www.pdi-berlin.de/
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)
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
generatorTYPO3 CMS
descriptionThe Paul-Drude-Institut für Festkörperelektronik (PDI) is a research institute located in Berlin, Germany. We perform basic and applied research at the nexus of materials science, condensed matter physics, and device engineering. The institute is part of the Forschungsverbund Berlin and a member of the Leibniz Association.
viewportwidth=device-width, initial-scale=1
robotsindex,follow
authorPaul-Drude-Institut
application-namePDI
apple-mobile-web-app-titlePDI
msapplication-tilecolor#000000
theme-color#ffffff
msapplication-config/_assets/2d714646a23f333511cbea92456ab2a7/Favicon/browserconfig.xml
langen
twitter:cardsummary
og:descriptionThe Paul-Drude-Institut für Festkörperelektronik (PDI) is a research institute located in Berlin, Germany. We perform basic and applied research at the nexus of materials science, condensed matter physics, and device engineering. The institute is part of the Forschungsverbund Berlin and a member of the Leibniz Association.
og:typewebsite
og:site_namePaul-Drude-Institut für Festkörperelektronik
og:localeen_US
og:urlhttps://www.pdi-berlin.de/
charsetutf-8

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Page quality

Content
(Critically important)
The average number of words per sentence of 26.76 words is high.
This page contains 679 words. That's ok.
26.4% of the text are stop words.
Keywords used in the page title are also used in the page content. That's good!
Words from the H1 heading are used in the page content.
The page contains a listing, which indicates a good text layout.
11 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.
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.
This page only loads 2 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:
"paul-drude-institut für festkörperelektronik, leibniz-institut im forschungsverbund berlin e.v."
Image SEO
(Somewhat important)
14 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
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...cessed_/f/6/csm_APL_crop_af0f646634.webpNo alt attribute provided
...d_/a/5/csm_export_9x6_1__382c3dcd67.webpNo alt attribute provided
...ZALKAL-image-webseite_1__cd34f7292e.webpNo alt attribute provided
...ith_SAW__4__Camera_7__1__1dea7473d4.webpNo alt attribute provided
...ntrollingElectronPhonons_96afd45d7f.webpNo alt attribute provided
...processed_/4/1/csm_001-d_0cadd79cee.webpNo alt attribute provided
...d_/a/b/csm_point-defects_7d18dcd038.webpNo alt attribute provided
.../7/csm_BSW_v_2352-scaled_f9dc1d3a22.webpNo alt attribute provided
...w_Chart_Presentation__1__0294b17dc8.webpNo alt attribute providedJoin_our_team
...sen-LETdkk7wHQk-unsplash_d7ec186ce3.webpNo alt attribute provided
...cessed_/0/0/csm_FR_P0987_43bd3405b7.webpNo alt attribute provided

Page structure

H1 heading
(Critically important)
Paul-Drude-Institut für Festkörperelektronik
The H1 heading is perfect.
Headings
(Important)
The heading structure is perfect.

Heading structure

Heading levelContent
H1 Paul-Drude-Institut für Festkörperelektronik
H2 The Institute
H2 PDI confirms existence of Bi_Ga hetero-antisites in landmark study
H2 J. Marcelo Lopes lends expertise to featured article in Applied Physics Reviews
H2 GraFOx paper featured on Applied Physics Letters April cover
H2 Advanced imaging techniques on a semiconductor material reveal ‘surprising’ hidden activity
H2 Application laboratory time-resolved cathodoluminescence spectroscopy (ZALKAL)
H2 Coherent acousto-optical interactions in structured polariton microcavities
H2 Controlling Electron-Phonon Interaction in Nanocircuits — Strong Coupling Regime
H2 Micro-integrated terahertz quantum-cascade laser for high-resolution spectroscopy (Micro-QCL)
H2 Point defects control in Ga2O3 thin films grown via molecular beam epitaxy
H2 Quantum Hall based Aharonov-Bohm spectroscopy
H3 04/18/2024 / Announcements , News
H3 04/12/2024
H3 04/10/2024 / Announcements
H3 04/09/2024 / News , Press releases
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 2 external links on this page.

Found links on this page

LinkAttributesAnchor text
https://www.pdi-berlin.de/Paul-Drude-Institut für Festkörperelektronik
A-TITLE Paul-Drude-Institut für Festkörperelektronik
/the-institutePDI
A-TITLE PDI
/the-institute/organizationOrganization
A-TITLE Organization
/the-institute/departmentsDepartments
A-TITLE Departments
/the-institute/facilitiesFacilities
A-TITLE Facilities
https://www.pdi-berlin.de/scienceScience
A-TITLE Science
/science/publicationsPublications
A-TITLE Publications
/science/scientific-highlightsScientific Highlights
A-TITLE Scientific Highlights
/science/core-research-areasCore Research Areas
A-TITLE Core Research Areas
/science/research-topicsResearch Topics
A-TITLE Research Topics
/science/third-party-funded-pr...Third-party funded projects
A-TITLE Third-party funded projects
/science/collaborationsCollaborations
A-TITLE Collaborations
/servicesServices
A-TITLE Services
/services/patentsPatents
A-TITLE Patents
/services/entrepreneurshipEntrepreneurship
A-TITLE Entrepreneurship
/news-eventsNews & Events
A-TITLE News & Events
/news-events/latest-newsLatest News
A-TITLE Latest News
/news-events/eventsEvents
A-TITLE Events
/news-events/pdi-seminarsSeminars
A-TITLE Seminars
/news-events/conferences-works...Conferences & Workshops
A-TITLE Conferences & Workshops
/news-events/artist-in-residen...Artist-in-Residence Program
A-TITLE Artist-in-Residence Program
/science-interfacePDI Science Interface
A-TITLE PDI Science Interface
https://www.pdi-berlin.de/peoplePeople
A-TITLE People
/people/people-directoryPeople Directory
A-TITLE People Directory
/people/working-at-pdiWorking at PDI
A-TITLE Working at PDI
/people/equal-opportunity-at-pdiEqual Opportunity at PDI
A-TITLE Equal Opportunity at PDI
/people/open-positionsOpen Positions
A-TITLE Open Positions
/people/scientific-visitorsScientific Visitors
A-TITLE Scientific Visitors
/people/studentsStudents
A-TITLE Students
/people/alumniAlumni
A-TITLE Alumni
/the-instituteThe Institute Paul-Drude-Institut für Festkörperelektronik (PDI) is a research institute in Berlin, Germany. We perform basic and applied research at the nex...
/news-events/latest-news/pdi-c...PDI confirms existence of Bi_Ga hetero-antisites in landmark study 04/18/2024 / Announcements , News An invited paper by PDI Senior Scientist Esperanza Luna ...
/news-events/latest-news/j-mar...J. Marcelo Lopes lends expertise to featured article in Applied Physics Reviews 04/12/2024 J. Marcelo Lopes, Senior Scientist at PDI, recently co-authored a ...
/news-events/latest-news/grafo...GraFOx paper featured on Applied Physics Letters April cover 04/10/2024 / Announcements A paper written by members of the GraFOx research network has been fe...
/news-events/latest-news/semic...Advanced imaging techniques on a semiconductor material reveal ‘surprising’ hidden activity 04/09/2024 / News , Press releases New research suggests that mat...
/news-events/latest-newsAll news
/science/third-party-funded-pr...Application laboratory time-resolved cathodoluminescence spectroscopy (ZALKAL) PDI is currently building up an application laboratory for time-resolved catho...
/science/third-party-funded-pr...Coherent acousto-optical interactions in structured polariton microcavities Microcavity exciton-polaritons (polaritons) are light-matter quasi-particles aris...
/science/third-party-funded-pr...Controlling Electron-Phonon Interaction in Nanocircuits — Strong Coupling Regime This project aims at the realization of hybrid quantum systems based on the ...
/science/third-party-funded-pr...Micro-integrated terahertz quantum-cascade laser for high-resolution spectroscopy (Micro-QCL) The key objective of this project is the development of integra...
/science/third-party-funded-pr...Point defects control in Ga2O3 thin films grown via molecular beam epitaxy This project aims to provide new experimental insights into the formation and impa...
/science/third-party-funded-pr...Quantum Hall based Aharonov-Bohm spectroscopy Aharonov-Bohm spectroscopy is a powerful tool to study the quantum statistics of quasi particles in the integer...
/science/third-party-funded-pr...All projects
/the-instituteText duplicate PDI
https://www.pdi-berlin.de/scienceDevice-Inspiring Research
/science/third-party-funded-pr...3rd-party Funded Projects
/news-events/eventsText duplicate Events
/science/research-topicsResearch topics
/the-institute/facilitiesText duplicate Facilities
/news-events/latest-newsText duplicate Latest News
/news-events/artist-in-residen...Text duplicate Artist-in-Residence Program
A-TITLE Artist-in-Residence Program
/people/open-positionsText duplicate Open Positions
A-TITLE Open Positions
/news-events/conferences-works...Text duplicate Conferences & Workshops
A-TITLE Conferences & Workshops
/news-events/eventsScientific Outreach
A-TITLE Scientific Outreach
https://www.pdi-berlin.de/contactContact
A-TITLE Contact
/data-protectionData Protection
A-TITLE Data Protection
https://www.pdi-berlin.de/imprintImprint
A-TITLE Imprint
https://confluence.pdi-berlin.de/External Subdomain Intranet
https://www.linkedin.com/compa...New window External Subdomain Linkedin
A-TITLE Linkedin

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://www.pdi-berlin.de/"
HTTP header
(Important)
The web server version is sent within the HTTP header.
No X-Powered HTTP header is sent.
This page uses GZip for compressed data transmission.
Performance
(Somewhat important)
The page response time is excellent with 0.26 seconds.
This page only loads 3 CSS files. That's ok.
This page only loads 2 JavaScript files. That's good!
The file size of the HTML document is fine (58 kB).

HTTP Response Header

NameValue
dateSat, 11 May 2024 04:03:45 GMT
serverApache/2.4.59 (Debian)
upgradeh2,h2c
connectionUpgrade
content-languageen-US
cache-controlprivate, no-store, max-age=0
expiresSat, 11 May 2024 04:03:45 GMT
varyAccept-Encoding
content-encodinggzip
x-ua-compatibleIE=edge
x-content-type-optionsnosniff
content-length8848
content-typetext/html; charset=utf-8
statuscode200
http_versionHTTP/1.1

External factors

Blacklists
(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 324 referring domains.
This page has 2,274 backlinks.
This page has backlinks from 215 different ip addresses.
Facebook popularity
(Somewhat important)
The page has 0 shares and comments on Facebook.

Links from Wikipedia

You can find more links using Wikipedia search

Robots.txt

User-agent: *
Allow: /

# folders
Disallow: /typo3/
Disallow: /typo3conf/
Allow: /typo3temp/
Allow: /fileadmin

# parameters
Disallow: /*?id=*               # non speaking URLs
Disallow: /*cHash               # no cHash
Disallow: /*tx_powermail_pi1    # no powermail thanks pages
Disallow: /*tx_form_formframework    # no forms

# twitter bot
User-agent: Twitterbot
Allow: /fileadmin

# sitemap
Sitemap: https://www.pdi-berlin.de/sitemap.xml

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Search preview

www.pdi-berlin.de
Paul-Drude-Institut für Festkörperelektronik
The Paul-Drude-Institut für Festkörperelektronik (PDI) is a research institute located in Berlin, Germany. We perform basic and applied research at the nexus of materials science, condensed matter physics, and device engineering. The institute is part of the Forschungsverbund Berlin and a member of the Leibniz Association.

Most important keywords

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

KeywordResultRecheck
Paul-Drude-Institut78%Check
Festkörperelektronik77%Check
PDI62%Check
Berlin62%Check
Forschungsverbund Berlin56%Check
applied54%Check
physics54%Check
Applied Physics54%Check
Applied Research52%Check
Forschungsverbund51%Check
Show more keywords and terms

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