Cryptoplexity.informatik.tu-darmstadt.de - SEO Checker

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Overview of the SEO Check
Meta information
59% 
Page quality
53% 
Page structure
62% 
Link structure
97% 
Server
84% 
External factors
36% 
SEO Score
Response time
0.03 s
File size
52.60 kB
Words
481
Media files
5
Number of links
19 internal / 9 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Cryptoplexity Start – Cryptography & Complexity Theory – TU Darmstadt
The page title should be shorter than 580 pixels. It is 651 pixels long. Optimize title
There are no duplicate words in the title
Meta description
(Critically important)
Welcome – This is the homepage of the research group "Cryptography and Complexity Theory" (Cryptoplexity). The group has been established in July 2011 at the Technische Universität Darmstadt as a Heisenberg-Professorship of the German Research Foundation DFG and has been supported through that program till June 2016 (see Projects: Heisenberg for more information).
The meta description is too long: 2349 pixels from max. 1000 pixels. Optimize description
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
No canonical link is 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)
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
viewportwidth=device-width, initial-scale=1
dcterms.languageen
dcterms.titleCryptoplexity Start
ZOOMIMAGEhttps://www.cryptoplexity.informatik.tu-darmstadt.de/media/crypt/images_website/StartCryptoplexity_285x0.jpg
descriptionWelcome – This is the homepage of the research group "Cryptography and Complexity Theory" (Cryptoplexity). The group has been established in July 2011 at the Technische Universität Darmstadt as a Heisenberg-Professorship of the German Research Foundation DFG and has been supported through that program till June 2016 (see Projects: Heisenberg for more information).
dcterms.creatorCryptography & Complexity Theory
robotsindex,follow
format-detectiontelephone=no
generatorFirstSpirit 5.2.240408.6d7124a
langen
twitter:cardsummary
twitter:titleCryptoplexity Start
twitter:imagehttps://www.cryptoplexity.informatik.tu-darmstadt.de/media/crypt/images_website/StartCryptoplexity_1180x0.jpg
twitter:image:altStart Cryptoplexity
twitter:descriptionWelcome – This is the homepage of the research group "Cryptography and Complexity Theory" (Cryptoplexity). The group has been established in July 2011 at the Technische Universität Darmstadt as a Heisenberg-Professorship of the German Research Foundation DFG and has been supported through that program till June 2016 (see Projects: Heisenberg for more information).
og:titleCryptoplexity Start
og:site_nameCryptography & Complexity Theory – TU Darmstadt
og:typearticle
og:imagehttps://www.cryptoplexity.informatik.tu-darmstadt.de/media/crypt/images_website/StartCryptoplexity_1180x0.jpg
og:image:typeimage/jpg
og:image:width1180
og:image:height813
og:image:altStart Cryptoplexity
og:descriptionWelcome – This is the homepage of the research group "Cryptography and Complexity Theory" (Cryptoplexity). The group has been established in July 2011 at the Technische Universität Darmstadt as a Heisenberg-Professorship of the German Research Foundation DFG and has been supported through that program till June 2016 (see Projects: Heisenberg for more information).
X-UA-Compatibleie=edge
charsetUTF-8

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Page quality

Content
(Critically important)
Some words from the page title are not used within the pages content
There are only 481 words on this page. Good pages should have about 800 words of useful content.
36.2% 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.
6 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 22.93 words is good.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
This page loads 6 JavaScript files. This may affect the load time negatively.
A viewport "width=device-width, initial-scale=1" is provided.
At least one Apple touch icon is specified.
Bold and strong tags
(Somewhat important)
The usage of strong and bold tags is perfect. We recommend the use of up to 10 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
.../resources/images_1/tu_logo_web_h120.svgLogo of TU Darmstadt
.../resources/images_1/tu_logo_web_h120.svgLogo of TU Darmstadt
...ges_group/cryptoplexity-logo-green4c.pngNo alt attribute provided
...p/cryptoplexity-logo-green4c_415x415.pngNo alt attribute provided

Page structure

H1 heading
(Critically important)
Cryptography and Complexity Theory
Too many H1 headings
Headings
(Important)
Some headings occur twice on the page.

Heading structure

Heading levelContent
H1 Cryptography and Complexity Theory
H1 Contact
H2 Welcome
H2 Research Area
H2 Self-Conception
H2 Activities
H2 Projects
H2 Research
H2 Teaching
H2 Team
H2 News
H2 Contact Duplicate text
H2 Cryptography and Complexity Theory Duplicate text
Some anchor texts are used more than once.
The number of internal links is ok.
None of the anchor texts is too long.
All internal links are not using dynamic parameters.
There are 9 external links on this page.

Found links on this page

LinkAttributesAnchor text
/cryptoplexity/index.en.jspAnchor Skip menu
https://www.tu-darmstadt.de/External Subdomain IMG-ALT Logo of TU Darmstadt
A-TITLE Go to home of TU Darmstadt
/Subdomain Cryptography & Complexity Theory
A-TITLE Go to home of institution [Alt(+Shift)+1]
/cryptoplexity/index.de.jspDeutsch
https://login.tu-darmstadt.de/...External Subdomain Login
A-TITLE Login to website with TU-ID [Alt(+Shift)+i]
/Subdomain Home of institution
A-TITLE Home of institution
https://www.tu-darmstadt.de/External Subdomain Text duplicate IMG-ALT Logo of TU Darmstadt
A-TITLE Go to home of TU Darmstadt
/cryptoplexity/index.de.jspText duplicate Deutsch
https://login.tu-darmstadt.de/...External Subdomain Text duplicate Login
A-TITLE Login to website with TU-ID [Alt(+Shift)+i]
/Subdomain Home
A-TITLE Home
/Subdomain Text duplicate Cryptography & Complexity Theory
A-TITLE Home of institution
/cryptoplexity/news_cryptoplex...Click here for the news
https://www.tu-darmstadt.de/External Subdomain TU Darmstadt
http://www.informatik.tu-darms...External Subdomain Informatik
A-TITLE Fachbereich Informatik
/activities_cryptoplexity/inde...Activities
/research_and_projects_cryptop...Projects
/research_and_projects_cryptop...Research
/teaching_cryptoplexity/teachi...Teaching
/cryptoplexity/team_cryptoplex...Team
/cryptoplexity/news_cryptoplex...News
/cryptoplexity/team_cryptoplex...Andrea Püchner.
/sitemap.en.jspSitemap
A-TITLE [Alt(+Shift)+3]
/impressum.en.jspLegal note
A-TITLE [Alt(+Shift)+8]
https://www.tu-darmstadt.de/ba...External Subdomain Accessibility
https://www.tu-darmstadt.de/da...External Subdomain Privacy Policy
A-TITLE [Alt(+Shift)+7]
/cryptoplexity/index.en.jspAnchor Go to top
A-TITLE [Alt(+Shift)+t]
https://www.tu-darmstadt.de/da...External Subdomain privacy policy
/impressum.en.jspText duplicate Legal note

Server configuration

HTTP redirects
(Critically important)
The checked page does not redirect to another URL.
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)
This page loads 6 JavaScript files. This may affect the load time negatively.
The page response time is excellent with 0.03 seconds.
This page only loads 2 CSS files. That's ok.
The file size of the HTML document is fine (53 kB).

HTTP Response Header

NameValue
dateFri, 28 Jun 2024 09:26:32 GMT
serverKH-3.0.5
strict-transport-securitymax-age=63072000; includeSubDomains
x-frame-optionsSAMEORIGIN
content-typetext/html;charset=UTF-8
varyAccept-Encoding,User-Agent
content-encodinggzip
set-cookie89 Characters
public-key-pinspin-sha256="<Subject Public Key Information (SPKI)>"; max-age=2592000; includeSubDomains
transfer-encodingchunked
statuscode200
http_versionHTTP/1.1

External factors

Blacklists
(Nice to have)
This website is not classified "for adult only".
This page has only a few links from other websites.
This page only has backlinks from 6 referring domains.
This page only has 11 backlinks.
This page only has few backlinks from 3 different ip addresses.
Facebook popularity
(Somewhat important)
The page has 0 shares and comments on Facebook.

Links from Wikipedia

No links from Wikipedia were found.

Robots.txt

User-agent: *
Disallow: /*neueurl=
Disallow: /*view=
Disallow: /*action=
Disallow: /*.store
Disallow: /*.query
Disallow: /*.delete
Disallow: /*.login
Disallow: /*.logout
Disallow: /*.search
Disallow: /*.form
Disallow: /*.captcha

Similar sites

Search preview

www.cryptoplexity.informatik.tu-darmstadt.de › cryptoplexity › index.en.jsp
Cryptoplexity Start – Cryptography & Complexity Theory – TU Dar...
Welcome – This is the homepage of the research group "Cryptography and Complexity Theory" (Cryptoplexity). The group has been established in July 2011 at the Technische Universität Darmstadt as a Heisenberg-Professorship of the German Research Foundation DFG and has been supported through that program till June 2016 (see Projects: Heisenberg for more information).

Most important keywords

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

KeywordResultRecheck
Cryptography77%Check
Complexity Theory77%Check
Theory76%Check
Complexity76%Check
Cryptography Complexity76%Check
Cryptography Complexity Theory75%Check
Cryptoplexity73%Check
Darmstadt66%Check
Cryptoplexity Start Cryptography Complexity63%Check
Start Cryptography Complexity Theory61%Check
Show more keywords and terms

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