Hhi.fraunhofer.de - SEO Checker

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Overview of the SEO Check
Meta information
90% 
Page quality
73% 
Page structure
58% 
Link structure
51% 
Server
91% 
External factors
100% 
SEO Score
Response time
0.37 s
File size
82.30 kB
Words
1220
Media files
22
Number of links
51 internal / 35 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Fraunhofer Heinrich-Hertz-Institut
The length of the page title is perfect. (300 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
6G, Glasfaser, KI, Videokodierung, Batterien und vieles mehr - wir forschen für eine grüne und nachhaltige Digitalisierung.
The length of the meta description is perfect. (751 pixels out of 1000 max pixel length)
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
https://www.hhi.fraunhofer.de/index.html
The specified canonical link points to a different page.
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)
The alternate link to the page itself is missing.
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)
This page is hosted on a subdomain. Use a top level domain for better SEO results.
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
description6G, Glasfaser, KI, Videokodierung, Batterien und vieles mehr - wir forschen für eine grüne und nachhaltige Digitalisierung.
authorFraunhofer Heinrich-Hertz-Institut
robotsindex, follow
viewportwidth=device-width, initial-scale=1.0
langde
twitter:cardsummary
Content-Typetext/html; charset=UTF-8
x-ua-compatibleIE=Edge

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Page quality

Content
(Critically important)
This page contains 1220 words. That's ok.
30.1% of the text are stop words.
The page contains a listing, which indicates a good text layout.
23 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 18.89 words is good.
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=1.0" is provided.
Bold and strong tags
(Somewhat important)
The following tag is repeated too often: sep
Image SEO
(Somewhat important)
21 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
/fileadmin/Logos/hhi_logo_de.svgFraunhofer-Institut für Nachrichtentechnik, Heinrich-Hertz-Institut, HHI
...s/2024/POETICS/POETICs_grosse_Buehne.jpgNo alt attribute provided
...in/News/2024/Girls_Day/Grosse_Buehne.jpgNo alt attribute provided
...News/2024/xG-Incubator/Vorschlag_III.jpgNo alt attribute provided
...erationen/Website_Header_FMD_Monitor.jpgNo alt attribute provided
...2/2/csm_Teaser_Startseite_19b8215678.jpgNo alt attribute provided
...s_AssemblyFraunhofer_HHI__97255a63d2.jpgNo alt attribute provided
...butterflyShutterstock.com_7bbbde3e24.jpgNo alt attribute provided
/fileadmin/Publications/2024/Q3/24062.pngNo alt attribute provided
...e-Matrix_-A-Lazy-Approach_176a9439fa.pngNo alt attribute provided
...ing-and-6G-Outdoor-Trials_d5e41c1b7e.pngNo alt attribute provided
...nd-cell-free-massive-MIMO_0b079bf0b0.pngNo alt attribute provided
...able-Intelligent-Surfaces_893b7e9481.pngNo alt attribute provided
...ions/2024/Q3/Load_Balancing_in_O-RAN.jpgNo alt attribute provided
...eadmin/Publications/2024/Q3/91o55v6z.pngNo alt attribute provided
..._processed_/7/e/csm_24061_7b25a84799.gifNo alt attribute provided
...D23972_400_teaser-segm_V2_2cf75dd733.jpgNo alt attribute provided
...m_ID23968_399_teaser-pure_7c1d53cb75.jpgNo alt attribute provided
.../d/csm_ID23973_375_mri_V2_aec5d1ffe6.jpgNo alt attribute provided
...974_374_R-Clarc-teaser_V3_bbad3b0716.jpgNo alt attribute provided
...unhofer_HHI_Startseite_Institut_quer.jpgNo alt attribute provided
..._HHI_Startseite_Institut_quadratisch.jpgNo alt attribute provided

Page structure

H1 heading
(Critically important)
There is no H1 heading specified.
Headings
(Important)
Some headings occur twice on the page.
The structure of headings is missing one or more levels. Do not skip heading levels.
There are 32 headings on the page. The amount of headings should be in a more proper relation to the amount of text.

Heading structure

Heading levelContent
H2 EU Innovation Radar zeichnet POETICS-Projekt aus
H2 Bundesforschungsministerin Bettina Stark-Watzinger zum Girls’Day am Fraunhofer HHI
H2 Neues Inkubator-Programm der TU Berlin und des Fraunhofer HHI fördert gezielt Start-ups im Bereich 5G/6G
H2 Mit Mikroelektronik die Zukunft gestalten
H2 Nachrichten
H2 Aktuelle Publikationen
H2 Nächste Termine
H2 Abteilungen
H3 Weitere Nachrichten
H3 Folgen Sie uns
H4 Schlüsselexperiment der QuNET-Initiative: Hochsichere Quantenkommunikation im urbanen Umfeld
H4 EU Innovation Radar zeichnet POETICS-Projekt aus Duplicate text
H4 CELTIC-NEXT Flaggschiffprojekt AI-NET gewinnt CELTIC-NEXT Innovation Award
H4 CELTIC-NEXT Flaggschiffprojekt AI-NET gewinnt CELTIC-NEXT Innovation Award Duplicate text
H4 VIT-Forschende erhalten „Innovationspreis für Medientechnologie in der Informationstechnik”
H4 Fraunhofer HHI und XRBB starten vertiefte Kooperation zur Förderung von XR-Technologien
H4 Luftverschmutzung mit AR verstehen: Best Poster Award für Sylvain Renault
H4 32 GBd, 109 Gbit/s probabilistically shaped THz wireless transmission using PIN-PD based photonic upconversion
H4 Gradual Change Detection in Covariance Matrix: A Lazy Approach
H4 Sub-THz D-Band Integrated Analog Beamforming Front-End Prototyping and 6G Outdoor Trials
H4 Two-timescale weighted sum-rate maximization for large cellular and cell-free massive MIMO
H4 User-Centric Monostatic Sensing Aided by Reconfigurable Intelligent Surfaces
H4 Load Balancing in O-RAN
H4 First Polymer-based Passive Optical Waveguide for the Visible Range from 633 nm down to 488 nm
H4 Distributed Convex Optimization “Over-the-Air” in Dynamic Environments
H4 Model guidance via explanations turns image classifiers into segmentation models
H4 PURE: Turning Polysemantic Neurons Into Pure Features by Identifying Relevant Circuits
H4 Explainable Concept Mappings of MRI: Revealing the Mechanisms Underlying Deep Learning-Based Brain Disease Classification
H4 Reactive Model Correction: Mitigating Harm to Task-Relevant Features via Conditional Bias Suppression
H4 Green ICT Camp
H4 IBC 2024
H4 Summer School "Fraunhofer Photonica" 2024
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.
7 links don't have an anchor text.
There are 4 links with a trivial anchor text.
The number of internal links is ok.
None of the anchor texts is too long.
There are too many external links (35) on this page.

Found links on this page

LinkAttributesAnchor text
/index.htmlIMG-ALT Fraunhofer-Institut für Nachrichtentechnik, Heinrich-Hertz-Institut, HHI
https://www.hhi.fraunhofer.de/Anchor Direkt zur Navigation springen
https://www.hhi.fraunhofer.de/Anchor Direkt zur Suche springen
https://www.hhi.fraunhofer.de/Anchor Direkt zum Inhalt springen
/index.htmlText duplicate Fraunhofer-Institut für Nachrichtentechnik, Heinrich-Hertz-Institut, HHI
/start-ups-hhi.htmlStart-ups @HHI
A-TITLE Start-ups @HHI
/das-fraunhofer-hhi/kooperatio...TiME Lab
A-TITLE TiME Lab
/das-fraunhofer-hhi/auszeichnu...Auszeichnungen
A-TITLE Auszeichnungen
/en/index.htmlEnglish
A-TITLE English
https://jp.hhi.fraunhofer.de/ホ...External Subdomain 日本語
A-TITLE 日本語
/news/nachrichten/2024/eu-inno...Trivial anchor text
Weiterlesen
A-TITLE EU Innovation Radar zeichnet POETICS-Projekt aus
/news/nachrichten/2024/bundesf...Text duplicate Trivial anchor text
Weiterlesen
A-TITLE Bundesforschungsministerin Bettina Stark-Watzinger zum Girls’Day am Fraunhofer HHI
https://newsletter.fraunhofer....External Subdomain Text duplicate Trivial anchor text
Weiterlesen
A-TITLE Neues Inkubator-Programm der TU Berlin und des Fraunhofer HHI fördert gezielt Start-ups im Bereich 5G/6G
/das-fraunhofer-hhi/kooperatio...Text duplicate Trivial anchor text
Weiterlesen
A-TITLE Mit Mikroelektronik die Zukunft gestalten
https://newsletter.fraunhofer....External Subdomain A-TITLE Schlüsselexperiment der QuNET-Initiative: Hochsichere Quantenkommunikation im urbanen Umfeld
https://newsletter.fraunhofer....External Subdomain Text duplicate Schlüsselexperiment der QuNET-Initiative: Hochsichere Quantenkommunikation im urbanen Umfeld
A-TITLE Schlüsselexperiment der QuNET-Initiative: Hochsichere Quantenkommunikation im urbanen Umfeld
/news/nachrichten/2024/eu-inno...A-TITLE EU Innovation Radar zeichnet POETICS-Projekt aus
/news/nachrichten/2024/eu-inno...Text duplicate EU Innovation Radar zeichnet POETICS-Projekt aus
A-TITLE EU Innovation Radar zeichnet POETICS-Projekt aus
/news/nachrichten/2024/celtic-...A-TITLE CELTIC-NEXT Flaggschiffprojekt AI-NET gewinnt CELTIC-NEXT Innovation Award
/news/nachrichten/2024/celtic-...Text duplicate CELTIC-NEXT Flaggschiffprojekt AI-NET gewinnt CELTIC-NEXT Innovation Award
A-TITLE CELTIC-NEXT Flaggschiffprojekt AI-NET gewinnt CELTIC-NEXT Innovation Award
/news/nachrichten/2024/celtic-...Text duplicate CELTIC-NEXT Flaggschiffprojekt AI-NET gewinnt CELTIC-NEXT Innovation Award
A-TITLE CELTIC-NEXT Flaggschiffprojekt AI-NET gewinnt CELTIC-NEXT Innovation Award
/news/nachrichten/2024/vit-for...VIT-Forschende erhalten „Innovationspreis für Medientechnologie in der Informationstechnik”
A-TITLE VIT-Forschende erhalten „Innovationspreis für Medientechnologie in der Informationstechnik”
https://newsletter.fraunhofer....External Subdomain Fraunhofer HHI und XRBB starten vertiefte Kooperation zur Förderung von XR-Technologien
A-TITLE Fraunhofer HHI und XRBB starten vertiefte Kooperation zur Förderung von XR-Technologien
/news/nachrichten/2024/vit-for...Luftverschmutzung mit AR verstehen: Best Poster Award für Sylvain Renault
A-TITLE Luftverschmutzung mit AR verstehen: Best Poster Award für Sylvain Renault
/news/nachrichten.htmlText duplicate Trivial anchor text
Weiterlesen
https://ieeexplore.ieee.org/do...External Subdomain A-TITLE 32 GBd, 109 Gbit/s probabilistically shaped THz wireless transmission using PIN-PD based photonic upconversion
https://ieeexplore.ieee.org/do...External Subdomain Text duplicate 32 GBd, 109 Gbit/s probabilistically shaped THz wireless transmission using PIN-PD based photonic upconversion
A-TITLE 32 GBd, 109 Gbit/s probabilistically shaped THz wireless transmission using PIN-PD based photonic upconversion
https://ieeexplore.ieee.org/do...External Subdomain A-TITLE Gradual Change Detection in Covariance Matrix: A Lazy Approach
https://ieeexplore.ieee.org/do...External Subdomain Text duplicate Gradual Change Detection in Covariance Matrix: A Lazy Approach
A-TITLE Gradual Change Detection in Covariance Matrix: A Lazy Approach
https://ieeexplore.ieee.org/do...External Subdomain A-TITLE Sub-THz D-Band Integrated Analog Beamforming Front-End Prototyping and 6G Outdoor Trials
https://ieeexplore.ieee.org/do...External Subdomain Text duplicate Sub-THz D-Band Integrated Analog Beamforming Front-End Prototyping and 6G Outdoor Trials
A-TITLE Sub-THz D-Band Integrated Analog Beamforming Front-End Prototyping and 6G Outdoor Trials
https://doi.org/10.48550/arXiv...External A-TITLE Two-timescale weighted sum-rate maximization for large cellular and cell-free massive MIMO
https://doi.org/10.48550/arXiv...External Text duplicate Two-timescale weighted sum-rate maximization for large cellular and cell-free massive MIMO
A-TITLE Two-timescale weighted sum-rate maximization for large cellular and cell-free massive MIMO
https://www.researchgate.net/p...External Subdomain A-TITLE User-Centric Monostatic Sensing Aided by Reconfigurable Intelligent Surfaces
https://www.researchgate.net/p...External Subdomain Text duplicate User-Centric Monostatic Sensing Aided by Reconfigurable Intelligent Surfaces
A-TITLE User-Centric Monostatic Sensing Aided by Reconfigurable Intelligent Surfaces
https://www.researchgate.net/p...External Subdomain A-TITLE Load Balancing in O-RAN
https://www.researchgate.net/p...External Subdomain Text duplicate Load Balancing in O-RAN
A-TITLE Load Balancing in O-RAN
https://link.springer.com/chap...External Subdomain A-TITLE First Polymer-based Passive Optical Waveguide for the Visible Range from 633 nm down to 488 nm
https://link.springer.com/chap...External Subdomain Text duplicate First Polymer-based Passive Optical Waveguide for the Visible Range from 633 nm down to 488 nm
A-TITLE First Polymer-based Passive Optical Waveguide for the Visible Range from 633 nm down to 488 nm
https://ieeexplore.ieee.org/do...External Subdomain A-TITLE Distributed Convex Optimization “Over-the-Air” in Dynamic Environments
https://ieeexplore.ieee.org/do...External Subdomain Text duplicate Distributed Convex Optimization “Over-the-Air” in Dynamic Environments
A-TITLE Distributed Convex Optimization “Over-the-Air” in Dynamic Environments
https://arxiv.org/abs/2407.03009External A-TITLE Model guidance via explanations turns image classifiers into segmentation models
https://arxiv.org/abs/2407.03009External Text duplicate Model guidance via explanations turns image classifiers into segmentation models
A-TITLE Model guidance via explanations turns image classifiers into segmentation models
https://arxiv.org/abs/2404.06453External A-TITLE PURE: Turning Polysemantic Neurons Into Pure Features by Identifying Relevant Circuits
https://arxiv.org/abs/2404.06453External Text duplicate PURE: Turning Polysemantic Neurons Into Pure Features by Identifying Relevant Circuits
A-TITLE PURE: Turning Polysemantic Neurons Into Pure Features by Identifying Relevant Circuits
https://arxiv.org/abs/2404.10433External A-TITLE Explainable Concept Mappings of MRI: Revealing the Mechanisms Underlying Deep Learning-Based Brain Disease Classification
https://arxiv.org/abs/2404.10433External Text duplicate Explainable Concept Mappings of MRI: Revealing the Mechanisms Underlying Deep Learning-Based Brain Disease Classification
A-TITLE Explainable Concept Mappings of MRI: Revealing the Mechanisms Underlying Deep Learning-Based Brain Disease Classification
https://arxiv.org/abs/2404.09601External A-TITLE Reactive Model Correction: Mitigating Harm to Task-Relevant Features via Conditional Bias Suppression
https://arxiv.org/abs/2404.09601External Text duplicate Reactive Model Correction: Mitigating Harm to Task-Relevant Features via Conditional Bias Suppression
A-TITLE Reactive Model Correction: Mitigating Harm to Task-Relevant Features via Conditional Bias Suppression
/aktuelle-publikationen.htmlWeitere Publikationen
/veranstaltungen.htmlMehr Termine
https://greenict.de/camp/External Green ICT Camp
A-TITLE Green ICT Camp
/veranstaltungen/ibc-2024.htmlIBC 2024
A-TITLE IBC 2024
/veranstaltungen/summer-school...Summer School "Fraunhofer Photonica" 2024
A-TITLE Summer School "Fraunhofer Photonica" 2024
/abteilungen.htmlÜbersicht
/abteilungen/pn.htmlA-TITLE Photonische Netze und Systeme
/abteilungen/pn.htmlText duplicate Photonische Netze und Systeme
A-TITLE Photonische Netze und Systeme
/abteilungen/pn.htmlNo Text
/abteilungen/pc.htmlA-TITLE Photonische Komponenten
/abteilungen/pc.htmlText duplicate Photonische Komponenten
A-TITLE Photonische Komponenten
/abteilungen/pc.htmlNo Text
/abteilungen/fs.htmlA-TITLE Faseroptische Sensorsysteme
/abteilungen/fs.htmlText duplicate Faseroptische Sensorsysteme
A-TITLE Faseroptische Sensorsysteme
/abteilungen/fs.htmlNo Text
/abteilungen/wn.htmlA-TITLE Drahtlose Kommunikation und Netze
/abteilungen/wn.htmlText duplicate Drahtlose Kommunikation und Netze
A-TITLE Drahtlose Kommunikation und Netze
/abteilungen/wn.htmlNo Text
/abteilungen/vca.htmlA-TITLE Videokommunikation und Applikationen
/abteilungen/vca.htmlText duplicate Videokommunikation und Applikationen
A-TITLE Videokommunikation und Applikationen
/abteilungen/vca.htmlNo Text
/abteilungen/vit.htmlA-TITLE Vision and Imaging Technologies
/abteilungen/vit.htmlText duplicate Vision and Imaging Technologies
A-TITLE Vision and Imaging Technologies
/abteilungen/vit.htmlNo Text
/abteilungen/ai.htmlA-TITLE Künstliche Intelligenz
/abteilungen/ai.htmlText duplicate Künstliche Intelligenz
A-TITLE Künstliche Intelligenz
/abteilungen/ai.htmlNo Text
https://twitter.com/FraunhoferHHIExternal Folgen Sie uns bei Twitter
A-TITLE Folgen Sie uns bei Twitter
https://www.linkedin.com/compa...New window External Subdomain Treffen Sie uns bei LinkedIn
A-TITLE Treffen Sie uns bei LinkedIn
https://www.instagram.com/frau...New window External Subdomain Besuchen Sie unser Instragram-Profil
A-TITLE Besuchen Sie unser Instragram-Profil
https://www.youtube.com/channe...New window External Subdomain Unser Video-Channel bei Youtube
A-TITLE Unser Video-Channel bei Youtube
/kontakt.htmlKontakt
A-TITLE Kontakt
/sitemap.htmlSitemap
A-TITLE Sitemap
/impressum.htmlImpressum
A-TITLE Impressum
/datenschutzerklaerung.htmlDatenschutzerklärung
A-TITLE Datenschutzerklärung
/index.php?type=100Subdomain RSS
A-TITLE RSS
https://www.fraunhofer.de/New window External Subdomain Fraunhofer-Gesellschaft

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://www.hhi.fraunhofer.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 0.37 seconds.
The file size of the HTML document is fine (82 kB).

HTTP Response Header

NameValue
strict-transport-securitymax-age=31536000; includeSubDomains
dateSat, 24 Aug 2024 12:09:35 GMT
serverApache/2.4.41 (Ubuntu)
content-languagede
expiresSun, 25 Aug 2024 09:06:51 GMT
etag"e4f86f937b148185328e32494c9ca7c9-gzip"
cache-controlmax-age=75435
pragmapublic
varyAccept-Encoding
content-encodinggzip
content-length19039
content-typetext/html; charset=utf-8
statuscode200
http_versionHTTP/2

External factors

This page is referenced by wikipedia.
This website has excellent links from other websites.
This page has backlinks from 1,921 referring domains.
This page has 23,657 backlinks.
This page has backlinks from 1,168 different ip addresses.

Links from Wikipedia

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Robots.txt

No valid Robots.txt file was found.

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Search preview

www.hhi.fraunhofer.de
Fraunhofer Heinrich-Hertz-Institut
6G, Glasfaser, KI, Videokodierung, Batterien und vieles mehr - wir forschen für eine grüne und nachhaltige Digitalisierung.

Most important keywords

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

KeywordResultRecheck
Fraunhofer70%Check
Fraunhofer HHI64%Check
Fraunhofer Heinrich-Hertz-Institut60%Check
HHI58%Check
Institut50%Check
Heinrich-Hertz-Institut48%Check
Kodierung46%Check
THz44%Check
Nachrichten44%Check
rate44%Check
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