H-its.org - SEO Checker

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Overview of the SEO Check
Meta information
50% 
Page quality
88% 
Page structure
100% 
Link structure
25% 
Server
40% 
External factors
100% 
SEO Score
Response time
1.99 s
File size
157.20 kB
Words
1014
Media files
56
Number of links
151 internal / 13 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
HITS - HITS
The page title is too short. (109 pixels of 580 max pixel length) Optimize title
There are word repetitions in the page title.
Meta description
(Critically important)
The meta description is missing.
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
https://www.h-its.org/
The specified canonical link points to a different page.
Language
(Somewhat important)
Language detected in text: en
Language defined in HTML: en-
Server location: Germany
Invalid country
The following language is defined by HTML: en-
Alternate/Hreflang Links
(Somewhat important)
The alternate link to the page itself is missing.
A country is specified wrong in alternate links: en-150
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=1.0
robotsindex, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1
tec-api-versionv1
tec-api-originhttps://www.h-its.org
generatorEasy Digital Downloads v3.4.0
article:modified_time2025-03-04T13:43:45+00:00
langen-
twitter:cardsummary_large_image
og:localeen_US
og:typewebsite
og:titleHITS - HITS
og:descriptionThe Heidelberg Institute for Theoretical Studies was established in 2010 by physicist and SAP co-founder Klaus Tschira (1940-2015) and the&...
og:urlhttps://www.h-its.org/
og:site_nameHITS
og:imagehttps://www.h-its.org/wp-content/uploads/2019/02/hits-header@2x-scaled.jpg
og:image:width2560
og:image:height976
og:image:typeimage/jpeg
charsetUTF-8

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Page quality

Content
(Critically important)
The average number of words per sentence of 26.33 words is high.
This page contains 1014 words. That's ok.
23.8% 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.
21 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)
No Apple touch icon is specified.
A viewport "width=device-width, initial-scale=1.0" is provided.
Bold and strong tags
(Somewhat important)
The usage of strong and bold tags is perfect. We recommend the use of up to 20 tags for this page.
Image SEO
(Somewhat important)
24 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)
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
/wp-content/uploads/2025/02/hits-logo.svgLogo HITS in the header, clickable, leads to the homepage.
/wp-content/uploads/2025/02/hits-logo.svgLogo HITS in the header, clickable, leads to the homepage.
...dist/assets/images/icons/search-icon.svgSearch
...content/uploads/2019/12/Titel-1-quer.jpgtest-header-homepage
...content/uploads/2019/12/Titel-1-quer.jpgtest-header-homepage
...content/uploads/2019/12/Titel-1-quer.jpgtest-header-homepage
...content/uploads/2019/12/Titel-1-quer.jpgtest-header-homepage
...content/uploads/2019/12/Titel-1-quer.jpgtest-header-homepage
...content/uploads/2019/12/Titel-1-quer.jpgtest-header-homepage
...content/uploads/2019/12/Titel-1-quer.jpgtest-header-homepage
...content/uploads/2019/12/Titel-1-quer.jpgtest-header-homepage
...content/uploads/2019/12/Titel-1-quer.jpgtest-header-homepage
...content/uploads/2019/12/Titel-1-quer.jpgtest-header-homepage
...tent/uploads/2019/12/Titel-1-quadrat.jpgNo alt attribute provided
...tent/uploads/2019/12/Titel-1-quadrat.jpgNo alt attribute provided
...tent/uploads/2019/12/Titel-1-quadrat.jpgNo alt attribute provided
...tent/uploads/2019/12/Titel-1-quadrat.jpgNo alt attribute provided
...tent/uploads/2019/12/Titel-1-quadrat.jpgNo alt attribute provided
...tent/uploads/2019/12/Titel-1-quadrat.jpgNo alt attribute provided
...tent/uploads/2019/12/Titel-1-quadrat.jpgNo alt attribute provided
...tent/uploads/2019/12/Titel-1-quadrat.jpgNo alt attribute provided
...tent/uploads/2019/12/Titel-1-quadrat.jpgNo alt attribute provided
...tent/uploads/2019/12/Titel-1-quadrat.jpgNo alt attribute provided
...content/uploads/2019/12/Titel-1-hoch.jpgNo alt attribute provided
...content/uploads/2019/12/Titel-1-hoch.jpgNo alt attribute provided
...content/uploads/2019/12/Titel-1-hoch.jpgNo alt attribute provided
...content/uploads/2019/12/Titel-1-hoch.jpgNo alt attribute provided
...content/uploads/2019/12/Titel-1-hoch.jpgNo alt attribute provided
...content/uploads/2019/12/Titel-1-hoch.jpgNo alt attribute provided
...content/uploads/2019/12/Titel-1-hoch.jpgNo alt attribute provided
...content/uploads/2019/12/Titel-1-hoch.jpgNo alt attribute provided
...content/uploads/2019/12/Titel-1-hoch.jpgNo alt attribute provided
...content/uploads/2019/12/Titel-1-hoch.jpgNo alt attribute provided
...sets/images/icons/front-header-arrow.svgNo alt attribute provided
.../2025/07/Ken_Wun_Yi_DSC02926-420x242.jpgKe-Jung Chen (left) and Wun-Yi Chen
...FLOW_Teaserbild_AnnualReport-420x242.pngTeaser image gafl
...oads/2025/07/ferredoxin_full-420x242.pngSchematic representation of the prediction of a protein 3D structure.
...ploads/2020/06/HITS_DSC00665-420x242.jpgNo alt attribute provided
...oads/2025/06/hits-pattern-22-420x242.pngNo alt attribute provided
...ds/2025/01/2025_SciDir_KP_RW-420x242.pngKai Polsterer and Rebecca Wade
/wp-content/uploads/2019/12/AIN.jpgGroup Image
/wp-content/uploads/2019/12/CME.jpgGroup Image
/wp-content/uploads/2019/12/cst-header.jpgGroup Image
/wp-content/uploads/2019/12/DMQ.jpgGroup Image
.../uploads/2024/08/MLI_Picture-420x420.pngGroup Image
/wp-content/uploads/2019/12/MBM.jpgGroup Image
/wp-content/uploads/2019/12/MCM.jpgGroup Image
/wp-content/uploads/2019/12/NLP.jpgGroup Image
/wp-content/uploads/2019/12/PSO.jpgGroup Image
/wp-content/uploads/2019/12/SDBV-title.jpgGroup Image
...loads/2020/12/set-uebersicht-420x420.jpgGroup Image
...s/2020/12/TOS_Preview_Update-420x420.pngGroup Image
...ent/uploads/2020/12/HITS-Lab-420x420.jpgGroup Image
...ent/uploads/2024/08/Karriere-420x420.jpgGroup Image
...ent/uploads/2024/08/Karriere-420x420.jpgGroup Image
...ent/uploads/2023/09/hits-footer-logo.svgNo alt attribute provided

Page structure

H1 heading
(Critically important)
Heidelberg Institute for Theoretical Studies
The H1 heading is perfect.
Headings
(Important)
The heading structure is perfect.

Heading structure

Heading levelContent
H1 Heidelberg Institute for Theoretical Studies
H2 Research News
H2 HITS News
H2 Research Groups
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.
2 links don't have an anchor text.
There are 21 links with a trivial anchor text.
The number of internal links is ok.
None of the anchor texts is too long.
There are 13 external links on this page.

Found links on this page

LinkAttributesAnchor text
https://www.h-its.org/research/Research
https://www.h-its.org/research/Text duplicate Research
/research/ain/Astroinformatics (AIN)
/research/cme/Computational Molecular Evolution (CME)
/research/cst/Computational Statistics (CST)
/research/dmq/Data Mining and Uncertainty Quantification (DMQ)
/research/mli/Machine Learning and Artificial Intelligence (MLI)
/research/mbm/Molecular Biomechanics (MBM)
/research/mcm/Molecular and Cellular Modeling (MCM)
/research/nlp/Natural Language Processing (NLP)
/research/pso/Physics of Stellar Objects (PSO)
/research/sdbv/Scientific Databases and Visualization (SDBV)
/research/set/Stellar Evolution Theory (SET)
/research/tos/Theory and Observations of Stars (TOS)
/research/simplaix/SIMPLAIX
/research/hits-lab/HITS Lab
/software-highlights/HITS Software Highlights
/publication/HITS Publications
/research/klaus-tschira-guest-...Klaus Tschira Guest Professorship Program
/research/independent-postdoc-...HITS Independent Postdoc Program
https://www.h-its.org/career/Career
https://www.h-its.org/career/Text duplicate Career
https://www.h-its.org/hits-job/Jobs
/career/joining-hits/Joining HITS
/research/independent-postdoc-...Text duplicate HITS Independent Postdoc Program
/research/klaus-tschira-guest-...Text duplicate Klaus Tschira Guest Professorship Program
/career/working-at-hits/Working at HITS
/career/our-alumni/Alumni
/career/former-groups/Former Groups
https://www.h-its.org/news/News
https://www.h-its.org/news/Text duplicate News
/news/articles/Articles
https://www.h-its.org/events/Events
https://www.h-its.org/institute/HITS
https://www.h-its.org/institute/Text duplicate HITS
/institute/scientific-advisory...Scientific Advisory Board
/institute/founder/Founder Klaus Tschira
/institute/mission/Mission
/institute/gender-equality-plan/Gender Equality Plan
/institute/hitstory/HITStory
/institute/hits-fellows/HITS Fellows
/institute/management/Management
/institute/administration/Administration
/institute/its/IT Services
https://www.h-its.org/imprint/Imprint
https://www.h-its.org/privacy/Privacy
https://www.h-its.org/contact/Contact
https://www.h-its.org/media/Media
https://www.h-its.org/media/Text duplicate Media
https://www.h-its.org/newsletter/Newsletter
/pressreleases/Press Releases
/media/annualreport/Annual Report
/media/journalist-in-residence...HITS Journalist in Residence Program
https://www.h-its.org/de/?p=2de
https://www.h-its.org/IMG-ALT Logo HITS in the header, clickable, leads to the homepage.
https://www.h-its.org/Text duplicate IMG-ALT Logo HITS in the header, clickable, leads to the homepage.
https://www.h-its.org/research/Text duplicate Research
https://www.h-its.org/research/Text duplicate Research
/research/ain/Text duplicate Astroinformatics (AIN)
/research/cme/Text duplicate Computational Molecular Evolution (CME)
/research/cst/Text duplicate Computational Statistics (CST)
/research/dmq/Text duplicate Data Mining and Uncertainty Quantification (DMQ)
/research/mli/Text duplicate Machine Learning and Artificial Intelligence (MLI)
/research/mbm/Text duplicate Molecular Biomechanics (MBM)
/research/mcm/Text duplicate Molecular and Cellular Modeling (MCM)
/research/nlp/Text duplicate Natural Language Processing (NLP)
/research/pso/Text duplicate Physics of Stellar Objects (PSO)
/research/sdbv/Text duplicate Scientific Databases and Visualization (SDBV)
/research/set/Text duplicate Stellar Evolution Theory (SET)
/research/tos/Text duplicate Theory and Observations of Stars (TOS)
/research/simplaix/Text duplicate SIMPLAIX
/research/hits-lab/Text duplicate HITS Lab
/software-highlights/Text duplicate HITS Software Highlights
/publication/Text duplicate HITS Publications
/research/klaus-tschira-guest-...Text duplicate Klaus Tschira Guest Professorship Program
/research/independent-postdoc-...Text duplicate HITS Independent Postdoc Program
https://www.h-its.org/career/Text duplicate Career
https://www.h-its.org/career/Text duplicate Career
https://www.h-its.org/hits-job/Text duplicate Jobs
/career/joining-hits/Text duplicate Joining HITS
/research/independent-postdoc-...Text duplicate HITS Independent Postdoc Program
/research/klaus-tschira-guest-...Text duplicate Klaus Tschira Guest Professorship Program
/career/working-at-hits/Text duplicate Working at HITS
/career/our-alumni/Text duplicate Alumni
/career/former-groups/Text duplicate Former Groups
https://www.h-its.org/news/Text duplicate News
https://www.h-its.org/news/Text duplicate News
/news/articles/Text duplicate Articles
https://www.h-its.org/events/Text duplicate Events
https://www.h-its.org/institute/Text duplicate HITS
https://www.h-its.org/institute/Text duplicate HITS
/institute/scientific-advisory...Text duplicate Scientific Advisory Board
/institute/founder/Text duplicate Founder Klaus Tschira
/institute/mission/Text duplicate Mission
/institute/gender-equality-plan/Text duplicate Gender Equality Plan
/institute/hitstory/Text duplicate HITStory
/institute/hits-fellows/Text duplicate HITS Fellows
/institute/management/Text duplicate Management
/institute/administration/Text duplicate Administration
/institute/its/Text duplicate IT Services
https://www.h-its.org/imprint/Text duplicate Imprint
https://www.h-its.org/privacy/Text duplicate Privacy
https://www.h-its.org/contact/Text duplicate Contact
https://www.h-its.org/media/Text duplicate Media
https://www.h-its.org/media/Text duplicate Media
https://www.h-its.org/newsletter/Text duplicate Newsletter
/pressreleases/Text duplicate Press Releases
/media/annualreport/Text duplicate Annual Report
/media/journalist-in-residence...Text duplicate HITS Journalist in Residence Program
https://www.h-its.org/de/?p=2Text duplicate de
/institute/founder/New window Klaus Tschira
http://www.klaus-tschira-stift...New window External Subdomain Klaus Tschira Foundation
https://www.h-its.org/research/New window basic research
/research/hits-lab/New window numerous cross-group and cross-disciplinary projects
https://www.facebook.com/HITSt...External Subdomain Facebook
https://bsky.app/profile/hitst...External Bluesky
https://www.youtube.com/TheHit...External Subdomain Youtube
https://www.linkedin.com/compa...External Subdomain Linkedin
https://www.instagram.com/the_...External Subdomain Instagram
https://scilogs.spektrum.de/vi...External Subdomain Scilogs Blog
/scientific-news/All Research News
/2025/07/29/humboldt-fellow-25/IMG-ALT Ke-Jung Chen (left) and Wun-Yi Chen
/2025/07/29/humboldt-fellow-25/Trivial anchor text
Read more
/2025/07/23/flips_mli/IMG-ALT Teaser image gafl
/2025/07/23/flips_mli/Text duplicate Trivial anchor text
Read more
/2025/07/18/bio-structure-hub-2/IMG-ALT Schematic representation of the prediction of a protein 3D structure.
/2025/07/18/bio-structure-hub-2/Text duplicate Trivial anchor text
Read more
/category/news/All HITS News
/2025/07/21/jir-2026-call/No Text
/2025/07/21/jir-2026-call/Text duplicate Trivial anchor text
Read more
/2025/06/18/issue-1-2025-2/No Text
/2025/06/18/issue-1-2025-2/Text duplicate Trivial anchor text
Read more
/2025/05/27/excellence-strateg...IMG-ALT Kai Polsterer and Rebecca Wade
/2025/05/27/excellence-strateg...Text duplicate Trivial anchor text
Read more
/research/ain/Text duplicate Trivial anchor text
Read more
/research/cme/Text duplicate Trivial anchor text
Read more
/research/cst/Text duplicate Trivial anchor text
Read more
/research/dmq/Text duplicate Trivial anchor text
Read more
/research/mli/Text duplicate Trivial anchor text
Read more
/research/mbm/Text duplicate Trivial anchor text
Read more
/research/mcm/Text duplicate Trivial anchor text
Read more
/research/nlp/Text duplicate Trivial anchor text
Read more
/research/pso/Text duplicate Trivial anchor text
Read more
/research/sdbv/Text duplicate Trivial anchor text
Read more
/research/set/Text duplicate Trivial anchor text
Read more
/research/tos/Text duplicate Trivial anchor text
Read more
/research/hits-lab/Text duplicate Trivial anchor text
Read more
/research/klaus-tschira-guest-...Text duplicate Trivial anchor text
Read more
/research/independent-postdoc-...Text duplicate Trivial anchor text
Read more
https://www.h-its.org/imprint/Text duplicate Imprint
https://www.h-its.org/contact/Text duplicate Contact
https://www.h-its.org/privacy/Text duplicate Privacy
/accessibility/Accessibility
https://www.h-its.org/research/Research at HITS
https://www.h-its.org/news/Text duplicate News
https://www.h-its.org/institute/The Institute
https://www.h-its.org/career/Join HITS
https://www.facebook.com/HITSt...External Subdomain No Text
https://bsky.app/profile/hitst...External No Text
https://www.youtube.com/TheHit...External Subdomain No Text
https://www.linkedin.com/compa...External Subdomain No Text
https://www.instagram.com/the_...External Subdomain No Text
https://scilogs.spektrum.de/vi...External Subdomain No Text
https://www.h-its.org/deSwitch to the German homepage

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://h-its.org/"
HTTP header
(Important)
The HTML page should be transferred using GZip compression.
The X-powered header is sent within the response header. (unnecessary)
Performance
(Somewhat important)
The page response time is very slow (1.99 seconds). The response time should be less than 0.4 seconds. Slow websites are bad for search engine bots and also result in bad user experience.
The file size of the HTML document is fine (157 kB).

HTTP Response Header

NameValue
servernginx
dateMon, 04 Aug 2025 06:23:43 GMT
content-typetext/html; charset=UTF-8
x-powered-byPHP/8.2.28
link<https://www.h-its.org/wp-json/>; rel="https://api.w.org/", <https://www.h-its.org/wp-json/wp/v2/pages/1>; rel="alternate"; title="JSON"; type="application/json", <https://www.h-its.org/>; rel=shortlink
x-tec-api-versionv1
x-tec-api-roothttps://www.h-its.org/wp-json/tribe/events/v1/
x-tec-api-originhttps://www.h-its.org
varyOrigin,Accept-Encoding
x-frame-optionsSAMEORIGIN
strict-transport-securitymax-age=15768000;
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 167 referring domains.
This page has 542 backlinks.
This page has backlinks from 72 different ip addresses.

Links from Wikipedia

You can find more links using Wikipedia search

Robots.txt

User-agent: *
Disallow: /wp-admin/

User-agent: ia_archiver
Disallow: /
User-agent: ia_archiver/1.6
Disallow: /
User-agent: Yasni
Disallow: /
User-agent: 123People
Disallow: /
User-agent: webmirror
Disallow: /
User-agent: webcopy
Disallow: /
User-agent: WebZip
Disallow: /
User-agent: URL_Spider_Pro
Disallow: /
User-agent: CherryPicker
Disallow: /
User-agent: EmailCollector
Disallow: /
User-agent: EmailSiphon
Disallow: /
User-agent: WebBandit
Disallow: /
User-agent: EmailWolf
Disallow: /
User-agent: ExtractorPro
Disallow: /
User-agent: CopyRightCheck
Disallow: /
User-agent: SiteSnagger
Disallow: /
User-agent: SiteSucker
Disallow: /
User-agent: MSIECrawler
Disallow: /
User-agent: psbot
Disallow: /
User-agent: Fasterfox
Disallow: /
User-agent: ProWebWalker
Disallow: /
User-agent: CheeseBot
Disallow: /
User-agent: LNSpiderguy
Disallow: /
User-agent: Teleport
Disallow: /
User-agent: TeleportPro
Disallow: /
User-agent: WebZip/4.0
Disallow: /
User-agent: WebStripper
Disallow: /
User-agent: WebSauger
Disallow: /
User-agent: WebCopier
Disallow: /
User-agent: duggmirror
Disallow: /
User-agent: Xenu's Link Sleuth 1.1c
Disallow: /
User-agent: Xenu's
Disallow: /
User-agent: Flaming AttackBot
Disallow: /

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h-its.org
HITS - HITS

Most important keywords

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

KeywordResultRecheck
HITS52%Check
Institute50%Check
Heidelberg50%Check
Studies50%Check
Theoretical50%Check
Heidelberg Institute50%Check
Theoretical Studies50%Check
Research Institute48%Check
HITS News48%Check
search46%Check
Show more keywords and terms

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