Iiasa.ac.at - SEO Checker

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Overview of the SEO Check
Meta information
80% 
Page quality
95% 
Page structure
67% 
Link structure
87% 
Server
95% 
External factors
100% 
SEO Score
Response time
1.60 s
File size
69.30 kB
Words
1231
Media files
9
Number of links
103 internal / 27 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
IIASA | International Institute for Applied Systems Analysis
The length of the page title is perfect. (518 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
The International Institute for Applied Systems Analysis (IIASA) is an independent international research institute with National Member Organisations in Africa, the Americas, Asia and Europe.
The meta description is too long: 1174 pixels from max. 1000 pixels. Optimize description
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
https://iiasa.ac.at/
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
descriptionThe International Institute for Applied Systems Analysis (IIASA) is an independent international research institute with National Member Organisations in Africa, the Americas, Asia and Europe.
GeneratorDrupal 10 (https://www.drupal.org)
MobileOptimizedwidth
HandheldFriendlytrue
viewportwidth=device-width, initial-scale=1, shrink-to-fit=no
langen
twitter:cardsummary
twitter:descriptionThe International Institute for Applied Systems Analysis (IIASA) is an independent international research institute with National Member Organisations in Africa, the Americas, Asia and Europe.
twitter:site@IIASAVienna
twitter:titleIIASA - International Institute for Applied Systems Analysis
og:site_nameIIASA - International Institute for Applied Systems Analysis
og:urlhttp://iiasa.ac.at/
og:descriptionThe International Institute for Applied Systems Analysis (IIASA) is an independent international research institute with National Member Organisations in Africa, the Americas, Asia and Europe.
og:imagehttps://iiasa.ac.at/themes/custom/iiasa/images/IIASA_image.jpg
x-ua-compatibleie=edge
charsetutf-8

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Page quality

Content
(Critically important)
These Typos were found:
  • heterogenous => heterogeneous
The average number of words per sentence of 9.33 words is low.
This page contains 1231 words. That's ok.
26.3% of the text are stop words.
Keywords used in the page title are also used in the page content. That's good!
The page contains a listing, which indicates a good text layout.
13 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, shrink-to-fit=no" is provided.
Bold and strong tags
(Somewhat important)
The usage of strong and bold tags is perfect. We recommend the use of up to 25 tags for this page.
Image SEO
(Somewhat important)
Alt text (alternative text) is correctly used on all found images.
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
/themes/custom/iiasa/standard-logo.svgIIASA - International Institute for Applied Systems Analysis
...c/2025-10/human agency.jpg?itok=DldY1VBOhuman agency
...dreamstime_m_128268760.jpg?itok=GSvK0HoyNew Orleans
...dreamstime_l_367426591.jpg?itok=ilcZXnTpSmall sprout pushes cracked ground arid desert sunset sky - symbolizes resilience
...a-hJUl5BAhJec-unsplash.jpg?itok=lh0pmJXSA digital image of a brain with the word ChatGPT
...ic/2025-10/light bulbs.jpg?itok=XIUOHrbCLight Bulbs with Decision Making Concept.
.../dreamstime_l_32183210.jpg?itok=uMi2GPKiMiniature people on 20 Euro banknotes and Euro coins close-up
...dreamstime_l_323989605.jpg?itok=z9g_uNL3Illustration depicting renewable energy and environmental sustainability with wind turbines, solar panels, and a green Earth surrounded by foliage and tiny people.
.../dreamstime_m_55995275.jpg?itok=Cmn-x1cfYemen

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.
Some headings do not have any content.

Heading structure

Heading levelContent
H2 Main navigation
H2 Slideshow links
H2 Programs
H2 News
H2 Events
H2 Vision and Members
H2 Empty heading
H2 Publications
H2 Subscribe
H2 Manage cookies
H2 Footer menu
H3 Human Agency in the Age of AI
H3 IIASA at the American Geophysical Union 2025
H3 Polycrisis, systemic risk, and resilience: Novel analytical insights and evidence needed to turn crisis into opportunity
H3 Can ChatGPT do my climate job? - A Joint Seminar of the SYRR Risk & Resilience Hub and the AI for Climate Science Seminar Series
H3 Stakeholders Exploratory Vision Analysis for Stakeholder Engagement (SEVA)
H3 Subnational income inequality: Regional successes may hold key to addressing widening gap globally
H3 International Vienna Energy and Climate Forum 2026 to drive green industry action for prosperity, security, and stability
H3 IIASA and Yemen explore new paths for science diplomacy to tackle water security challenges
H3 Can ChatGPT do my climate job? - A Joint Seminar of the SYRR Risk & Resilience Hub and the AI for Climate Science Seminar Series Duplicate text
H3 IIASA at the American Geophysical Union 2025 Duplicate text
H3 "Climate and Me" in Laxenburg: keynote by IIASA Director General
H3 Vision
H3 Members
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 too many external links (27) on this page.

Found links on this page

LinkAttributesAnchor text
https://iiasa.ac.at/Anchor Skip to main content
https://iiasa.ac.at/IMG-ALT IIASA - International Institute for Applied Systems Analysis
A-TITLE Home
https://iiasa.ac.at/programsPrograms
https://iiasa.ac.at/projectsProjects
A-TITLE IIASA Research Projects
https://iiasa.ac.at/publicationsPublications
/publications/open-accessOpen Access
/science-into-policyScience into Policy
/models-tools-dataModels, tools, and data
https://iiasa.ac.at/newsNews
https://iiasa.ac.at/eventsEvents
https://iiasa.ac.at/mediaPress corner
/management/directorsDirectors' corner
https://iiasa.ac.at/blogBlog
A-TITLE Nexus
https://iiasa.ac.at/voicesIIASA Voices
/options-magazineOptions magazine
https://iiasa.ac.at/signupNewsletters
/capacity-developmentCapacity building
/early-career/ysspYoung Scientists Summer Program (YSSP)
/capacity-development/postdoct...Postdoctoral fellowships
/capacity-development/summer-s...Summer schools
/capacity-development/iiasa-en...Programs for youth
/capacity-development/spending...Sabbaticals
/employment/job-openingsEmployment
/network-with-usNetwork with us
https://iiasa.ac.at/tendersTenders
https://iiasa.ac.at/instituteInstitute
/about-iiasa/strategyStrategy
https://iiasa.ac.at/arAnnual Reports
https://iiasa.ac.at/governanceGovernance
https://iiasa.ac.at/managementManagement
https://iiasa.ac.at/membersMembers
/about-iiasa/institute/awardsAwards and honors
https://iiasa.ac.at/staffStaff
/events/dec-2025/human-agency-...IMG-ALT human agency
/events/dec-2025/human-agency-...Human Agency in the Age of AI
/events/dec-2025/iiasa-at-amer...IMG-ALT New Orleans
/events/dec-2025/iiasa-at-amer...IIASA at the American Geophysical Union 2025
/blog/nov-2025/polycrisis-syst...IMG-ALT Small sprout pushes cracked ground arid desert sunset sky - symbolizes resilience
/blog/nov-2025/polycrisis-syst...Polycrisis, systemic risk, and resilience: Novel analytical insights and evidence needed to turn crisis into opportunity
/events/dec-2025/can-chatgpt-d...IMG-ALT A digital image of a brain with the word ChatGPT
/events/dec-2025/can-chatgpt-d...Can ChatGPT do my climate job? - A Joint Seminar of the SYRR Risk & Resilience Hub and the AI for Climate Science Seminar Series
/models-tools-data/sevaIMG-ALT Light Bulbs with Decision Making Concept.
/models-tools-data/sevaStakeholders Exploratory Vision Analysis for Stakeholder Engagement (SEVA)
/capacity-development/applicat...YSSP - Apply now
https://iiasa.ac.at/instituteLearn more about IIASA
https://iiasa.ac.at/Home
https://iiasa.ac.at/programs/asaAdvancing Systems Analysis
https://iiasa.ac.at/programs/asaResearch groups
/programs/asa/catCooperation and Transformative Governance (CAT)
/programs/asa/syrrSystemic Risk and Resilience (SYRR)
/programs/asa/emExploratory Modeling of Human-natural Systems (EM)
/programs/asa/nodesNovel Data Ecosystems for Sustainability (NODES)
https://iiasa.ac.at/programs/bnrBiodiversity and Natural Resources
https://iiasa.ac.at/programs/bnrText duplicate Research groups
/programs/bnr/afeAgriculture, Forestry, and Ecosystem Services (AFE)
/programs/bnr/becBiodiversity, Ecology, and Conservation (BEC)
/programs/bnr/ibfIntegrated Biosphere Futures (IBF)
/programs/bnr/watWater Security (WAT)
https://iiasa.ac.at/programs/efEconomic Frontiers
https://iiasa.ac.at/programs/efResearch fields
/programs/ef/eelcEconomics of Equal Life Chances (EELC)
/programs/ef/edcEconomics of disruptive change (EDC)
https://iiasa.ac.at/programs/eceEnergy, Climate, and Environment
https://iiasa.ac.at/programs/eceText duplicate Research groups
/programs/ece/iaccIntegrated Assessment and Climate Change (IACC)
/programs/ece/iciIntegrated Climate Impacts (ICI)
/programs/ece/pmPollution Management (PM)
/programs/ece/s3Sustainable Service Systems (S3)
/programs/ece/tissTransformative Institutional and Social Solutions (TISS)
/programs/popjusPopulation and Just Societies
/programs/popjusText duplicate Research groups
/programs/popjus/equEquity and Justice (EQU)
/programs/popjus/h2aHealth, Ageing and Health Systems (H2A)
/programs/popjus/migMigration and Sustainable Development (MIG)
/programs/popjus/mdmMultidimensional Demographic Modeling (MDM)
https://iiasa.ac.at/programs/siStrategic Initiatives
https://iiasa.ac.at/programs/siCurrent intitiatives
/projects/bloombloom project
/projects/fireiceFire&Ice project
/projects/resistRESIST project
/projects/trustTRUST project
https://iiasa.ac.at/newsView more
/news/dec-2025/subnational-inc...Nofollow No Text
/news/dec-2025/subnational-inc...Subnational income inequality: Regional successes may hold key to addressing widening gap globally
/news/dec-2025/international-v...Nofollow No Text
/news/dec-2025/international-v...International Vienna Energy and Climate Forum 2026 to drive green industry action for prosperity, security, and stability
/news/dec-2025/iiasa-and-yemen...Nofollow No Text
/news/dec-2025/iiasa-and-yemen...IIASA and Yemen explore new paths for science diplomacy to tackle water security challenges
https://iiasa.ac.at/eventsText duplicate View more
/events/dec-2025/can-chatgpt-d...Nofollow No Text
/events/dec-2025/can-chatgpt-d...Text duplicate Can ChatGPT do my climate job? - A Joint Seminar of the SYRR Risk & Resilience Hub and the AI for Climate Science Seminar Series
/events/dec-2025/iiasa-at-amer...Nofollow No Text
/events/dec-2025/iiasa-at-amer...Text duplicate IIASA at the American Geophysical Union 2025
/events/jan-2026/climate-and-m...Nofollow No Text
/events/jan-2026/climate-and-m..."Climate and Me" in Laxenburg: keynote by IIASA Director General
https://iiasa.ac.at/instituteText duplicate Learn more about IIASA
https://pure.iiasa.ac.at/External Subdomain Text duplicate View more
https://pure.iiasa.ac.at/view/...External Subdomain Kim, Y.
https://pure.iiasa.ac.at/id/ep...External Subdomain Development of a Polycyclic Aromatic Hydrocarbons (PAHs) emission inventory in Korea.
https://doi.org/10.1016/j.atmo...External 10.1016/j.atmosenv.2025.121692
https://pure.iiasa.ac.at/view/...External Subdomain Hertwich, E.
https://pure.iiasa.ac.at/id/ep...External Subdomain Environmental Impact of Machinery and Equipment: A Comparison between EXIOBASE, National Environmentally Extended Input–Output Models, and Ecoinvent.
https://doi.org/10.1021/acs.es...External 10.1021/acs.est.5c08581
https://pure.iiasa.ac.at/view/...External Subdomain Zobeidi, T.
https://pure.iiasa.ac.at/view/...External Subdomain Komendantova, N.
https://pure.iiasa.ac.at/id/ep...External Subdomain Harvesting resilience: the role of social capital in driving adaptive behaviour among Iranian farmers.
https://doi.org/10.1080/175655...External 10.1080/17565529.2025.2592072
https://pure.iiasa.ac.at/view/...External Subdomain Borghi, J.
https://pure.iiasa.ac.at/id/ep...External Subdomain Using causal loop diagrams to explore the maternal and child health system response to payment for performance in Zambia, and it’s generalisability across se...
https://doi.org/10.1016/j.ssmh...External 10.1016/j.ssmhs.2025.100082
https://pure.iiasa.ac.at/view/...External Subdomain Kuhn, M.
https://pure.iiasa.ac.at/id/ep...External Subdomain Heart failure in China: a macroeconomic modelling study of intervention strategies.
https://doi.org/10.1093/eurhea...External 10.1093/eurheartj/ehaf992
https://pure.iiasa.ac.at/view/...External Subdomain Nicholls, Z.
https://pure.iiasa.ac.at/id/ep...External Subdomain Standardising the “Gregory method” for calculating equilibrium climate sensitivity.
https://doi.org/10.5194/gmd-18...External 10.5194/gmd-18-9433-2025
https://iiasa.ac.at/signupSign up
https://iiasa.ac.at/mediaMedia
/employment/job-openingsText duplicate Employment
/how-to-find-usHow to find us
/whistleblowingWhistleblowing Reporting System
https://iiasa.ac.at/terms-of-useTerms of use
https://x.com/IIASAViennaNew window External A-TITLE Twitter
https://www.facebook.com/IIASANew window External Subdomain A-TITLE Facebook
https://www.linkedin.com/compa...New window External Subdomain A-TITLE LinkedIn
https://www.youtube.com/user/I...New window External Subdomain A-TITLE YouTube
https://www.flickr.com/photos/...New window External Subdomain A-TITLE Flickr
https://www.instagram.com/iias...New window External Subdomain A-TITLE Instagram
https://bsky.app/profile/iiasa...New window External No Text
/cdn-cgi/l/email-protection[email protected]

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://iiasa.ac.at/"
HTTP header
(Important)
No X-Powered HTTP header is sent.
The web server transmits the web page (HTML) in compressed form.
Performance
(Somewhat important)
The page response time is very slow (1.60 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 (69 kB).

HTTP Response Header

NameValue
dateSat, 13 Dec 2025 10:53:09 GMT
content-typetext/html; charset=UTF-8
servercloudflare
x-content-type-optionsnosniff
cache-controlmust-revalidate, no-cache, private
x-drupal-dynamic-cacheMISS
content-languageen
x-frame-optionsSAMEORIGIN
expiresSun, 19 Nov 1978 05:00:00 GMT
x-generatorDrupal 10 (https://www.drupal.org)
varyAccept-Encoding
cf-cache-statusDYNAMIC
content-security-policyframe-ancestors 'self' transformationswithinreach.org
content-encodinggzip
cf-ray9ad4ea7cf9303a7a-FRA
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 980 referring domains.
This page has 7,531 backlinks.
This page has backlinks from 711 different ip addresses.

Links from Wikipedia

You can find more links using Wikipedia search

Robots.txt

#
# robots.txt
#
# This file is to prevent the crawling and indexing of certain parts
# of your site by web crawlers and spiders run by sites like Yahoo!
# and Google. By telling these "robots" where not to go on your site,
# you save bandwidth and server resources.
#
# This file will be ignored unless it is at the root of your host:
# Used:    http://example.com/robots.txt
# Ignored: http://example.com/site/robots.txt
#
# For more information about the robots.txt standard, see:
# http://www.robotstxt.org/robotstxt.html

User-agent: *
# CSS, JS, Images
Allow: /core/*.css$
Allow: /core/*.css?
Allow: /core/*.js$
Allow: /core/*.js?
Allow: /core/*.gif
Allow: /core/*.jpg
Allow: /core/*.jpeg
Allow: /core/*.png
Allow: /core/*.svg
Allow: /profiles/*.css$
Allow: /profiles/*.css?
Allow: /profiles/*.js$
Allow: /profiles/*.js?
Allow: /profiles/*.gif
Allow: /profiles/*.jpg
Allow: /profiles/*.jpeg
Allow: /profiles/*.png
Allow: /profiles/*.svg
# Directories
Disallow: /core/
Disallow: /profiles/
# Files
Disallow: /README.md
Disallow: /composer/Metapackage/README.txt
Disallow: /composer/Plugin/ProjectMessage/README.md
Disallow: /composer/Plugin/Scaffold/README.md
Disallow: /composer/Plugin/VendorHardening/README.txt
Disallow: /composer/Template/README.txt
Disallow: /modules/README.txt
Disallow: /sites/README.txt
Disallow: /themes/README.txt
Disallow: /web.config
# Paths (clean URLs)
Disallow: /admin/
Disallow: /comment/reply/
Disallow: /filter/tips
Disallow: /node/add/
Disallow: /search/
Disallow: /user/register
Disallow: /user/password
Disallow: /user/login
Disallow: /user/logout
Disallow: /media/oembed
Disallow: /*/media/oembed
# Paths (no clean URLs)
Disallow: /index.php/admin/
Disallow: /index.php/comment/reply/
Disallow: /index.php/filter/tips
Disallow: /index.php/node/add/
Disallow: /index.php/search/
Disallow: /index.php/user/password
Disallow: /index.php/user/register
Disallow: /index.php/user/login
Disallow: /index.php/user/logout
Disallow: /index.php/media/oembed
Disallow: /index.php/*/media/oembed

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iiasa.ac.at
IIASA | International Institute for Applied Systems Analysis
The International Institute for Applied Systems Analysis (IIASA) is an independent international research institute with National Member Organisations in Africa, the Americas, Asia and Europe.

Most important keywords

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

KeywordResultRecheck
IIASA81%Check
International63%Check
Analysis62%Check
International Institute61%Check
Systems Analysis61%Check
Applied Systems Analysis61%Check
Institute59%Check
Systems58%Check
applied58%Check
IIASA Director General54%Check
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