Iau.org - SEO Checker

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Overview of the SEO Check
Meta information
75% 
Page quality
81% 
Page structure
77% 
Link structure
21% 
Server
91% 
External factors
100% 
SEO Score
Response time
0.11 s
File size
108.50 kB
Words
2272
Media files
40
Number of links
821 internal / 28 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
International Astronomical Union | IAU
The length of the page title is perfect. (341 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
The meta description is missing.
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
Server location: United States of America
The language is not specified in the HTML markup.
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
viewportwidth=device-width, initial-scale=1
google-site-verificationKTjYtxjG6PEMU6XMF7LY4nMnJ7MXxYaNzVY6SYTo1Qc
og:typewebsite
og:titleInternational Astronomical Union | IAU
og:imagehttps://www.iau.org/static/archives/images/medium/iau_wb.jpg
og:image:secure_urlhttps://www.iau.org/static/archives/images/medium/iau_wb.jpg
X-UA-CompatibleIE=edge
Content-Security-Policyscript-src 'self' 'unsafe-inline' 'unsafe-eval' https://www.google.com/recaptcha/ https://www.gstatic.com/recaptcha/ https://cse.google.com/ https://www.google.com/cse/ https://feed2js.org/ https://www.gstatic.com/charts/ https://code.jquery.com/ https://awesome-table.com/ https://app.awesome-table.com/ https://www.youtube.com/iframe_api https://www.youtube.com https://cdnjs.cloudflare.com https://eso.org https://www.ngosource.org https://platform.twitter.com/;
charsetutf-8

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Page quality

Content
(Critically important)
The average number of words per sentence of 30.75 words is high.
This page contains 2272 words. That's ok.
14% 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.
12 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" is provided.
This page only loads 3 JavaScript files. That's good!
Bold and strong tags
(Somewhat important)
The usage of strong and bold tags is perfect. We recommend the use of up to 45 tags for this page.
Image SEO
(Somewhat important)
13 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
...archives/images/newsfeature/iau2410a.jpgIAU officials after XXXII GA closing press conference
...archives/images/newsfeature/iau2409a.jpgRubin Observatory and Its Target
...archives/images/newsfeature/iau2408a.jpgIAU Officials at the XXXII General Assembly
...archives/images/newsfeature/iau2407a.jpgIAU ODE Prizes 2024
...archives/images/newsfeature/iau2406a.jpg‘Name a Quasi-Moon!’ Contest Banner
.../archives/images/potwmedium/iau2410a.jpgIAU officials after XXXII GA closing press conference
.../archives/images/potwmedium/iau2409a.jpgRubin Observatory and Its Target
.../archives/images/potwmedium/iau2408a.jpgIAU Officials at the XXXII General Assembly
.../archives/images/potwmedium/iau2407a.jpgIAU ODE Prizes 2024
...archives/images/potwmedium/ann24023a.jpgNo alt attribute provided
...archives/images/potwmedium/ann24022a.jpgNo alt attribute provided
...archives/images/potwmedium/ann24021a.jpgNo alt attribute provided
...archives/images/potwmedium/ann24020a.jpgNo alt attribute provided
...naming_exoplanets/naming_exoplanets2.jpgNo alt attribute provided
/static/public/buyingstars/buyingstars3.jpgNo alt attribute provided
...mportant/why_is_astronomy_important2.jpgNo alt attribute provided
/static/public/pluto/pluto2.jpgNo alt attribute provided
...ce-projects/citizen-science-projects.jpgNo alt attribute provided
/static/public/naming/naming2.jpgNo alt attribute provided
https://iau.org/static/public/faq-thumb.jpgNo alt attribute provided
/static/public/image_archive.jpgNo alt attribute provided
/static/public/video_archive.jpgNo alt attribute provided
/static/banners/donate-to-iau.jpgDonate to the IAU
/static/banners/iau_ga2024.jpgIAU General Assembly 2024
/static/banners/strategicplan2020-2030.jpgStrategic Plan
/static/banners/code-of-conduct.jpgCode of Conduct
https://iau.org/static/banners/meeting.jpgMeetings
https://iau.org/static/banners/member.jpgHow to Become a Member
/static/banners/deceased-members.jpgDeceased Members
https://iau.org/static/banners/cps.jpgCPS
https://iau.org/static/banners/catalyst.jpgLatest Catalyst
/static/banners/enewsletter.jpgLatest e-Newsletter
/static/banners/enewsletter_subs.jpgCAPj
https://iau.org/static/banners/oad_1.jpgOffice for Astronomy Development
https://iau.org/static/banners/oya.jpgOffice for Young Astronomers
https://iau.org/static/banners/oao_1.jpgOffice for Astronomy Outreach
https://iau.org/static/banners/oae.jpgOffice of Astronomy for Education
https://iau.org/static/banners/isya.jpgInternational School for Young Astronomers
/static/banners/wgsbn-bulletin.jpgWG Small Bodies Nomenclature Bulletins
/static/banners/wgwia-newsletters.jpgWG Women in Astronomy Newsletters

Page structure

H1 heading
(Critically important)
Donate to the IAU
The H1 heading is too short (17 characters). It should be at least 20 Characters long.
Headings
(Important)
The structure of headings is missing one or more levels. Do not skip heading levels.

Heading structure

Heading levelContent
H1 Donate to the IAU
H1 General Assembly 2024
H1 IAU Strategic Plan 2020–2030
H1 IAU Code of Conduct
H1 Symposia and Meetings
H1 Membership
H1 Deceased Members
H1 Centre for the Protection of the Dark and Quiet Sky from Satellite Constellation Interference
H1 IAU Catalyst
H1 IAU e-Newsletter Volume 2024 n° 6
H1 Subscribe to the e-Newsletter
H1 IAU Office of Astronomy for Development
H1 IAU Office for Young Astronomers
H1 IAU Office for Astronomy Outreach
H1 IAU Office of Astronomy for Education
H1 International School for Young Astronomers
H1 WG Small Bodies Nomenclature Bulletins
H1 IAU WG Women in Astronomy Newsletters and Ensemble Magazine
H4 IAU Member Login
H4 Follow the IAU on social media
There are too many internal links (821) on this page.
Some internal link anchor texts are too long.
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.
16 links don't have an anchor text.
There are 1 links with a trivial anchor text.
There are too many external links (28) on this page.

Found links on this page

LinkAttributesAnchor text
https://iau.org/No Text
https://iau.org/Home
https://iau.org/aboutAbout IAU
https://iau.org/valuesIAU Values
https://iau.org/donateDonate
/administration/membershipMember Directory
https://iau.org/sitemap/Site Map
/administration/secretariat/Contact Us
https://iau.org/auth/login/Login
/news/pressreleases/Press Releases
/news/pressreleases/archive/ye...2024
/news/pressreleases/archive/ye...2023
/news/pressreleases/archive/ye...2022
/news/pressreleases/archive/ye...2021
/news/pressreleases/archive/ye...2020
/news/pressreleases/archive/ye...2019
/news/pressreleases/archive/ye...2018
/news/pressreleases/archive/ye...2017
/news/pressreleases/archive/ye...2016
/news/pressreleases/archive/ye...2015
/news/pressreleases/archive/ye...2014
/news/pressreleases/archive/ye...2013
/news/pressreleases/archive/ye...2012
/news/pressreleases/archive/ye...2011
/news/pressreleases/archive/ye...2010
/news/pressreleases/archive/ye...2009
/news/pressreleases/archive/ye...2008
/news/pressreleases/archive/ye...2007
/news/pressreleases/archive/ye...2006
/news/pressreleases/archive/ye...1999
/news/announcements/Announcements
/news/announcements/archive/ye...Text duplicate 2024
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/news/announcements/archive/ye...2005
/administration/events/Administrative Dates & Deadlines
/science/meetings/future/Scientific Dates and Deadlines
/news/planetary_surface_features/Planetary Surface Feature News
https://iau.org/news/submission/Submission of News Proposals
https://iau.org/news/newsletters/Newsletters
/public/images/archive/category/Image Archive
https://iau.org/public/videos/Video Archive
https://iau.org/news/press_room/Press Room
/news/press_room/iau_media/IAU in the Media
/news/press_room/press_contacts/Press Contacts
/science/scientific_bodies/Science
/science/scientific_bodies/Scientific Bodies
/science/scientific_bodies/div...Divisions
/science/scientific_bodies/div...Division A Structure
/science/scientific_bodies/div...Division A Homepage
/science/scientific_bodies/div...Scientific Objectives
/science/scientific_bodies/div...Commissions
/science/scientific_bodies/div...Working Groups
/science/scientific_bodies/div...News
/science/scientific_bodies/div...Meetings
/science/scientific_bodies/div...GA 2015
/science/scientific_bodies/div...GA 2018
/science/scientific_bodies/div...GA 2022
/science/scientific_bodies/div...Division Members
/science/scientific_bodies/div...Documents
/science/scientific_bodies/div...Awards & Prizes
/science/scientific_bodies/div...Members
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http://www.star.bris.ac.uk/IAU...External Subdomain External Page
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http://eepurl.com/UNZljExternal Subscribe to e-Newsletter
/news/pressreleases/detail/iau...15 Aug 2024 - Press Release IAU XXXII General Assembly Concludes The meeting makes history as first General Assembly held in Africa and first to be fully ope...
IMG-ALT IAU officials after XXXII GA closing press conference
/news/pressreleases/detail/iau...08 Aug 2024 - Press Release Satellite Mitigation Project Led by IAU CPS Wins Major Grant The initiative is developing tools to accurately predict when satell...
IMG-ALT Rubin Observatory and Its Target
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IMG-ALT IAU Officials at the XXXII General Assembly
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IMG-ALT IAU ODE Prizes 2024
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IMG-ALT ‘Name a Quasi-Moon!’ Contest Banner
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/news/pressreleases/detail/iau...IMG-ALT IAU Officials at the XXXII General Assembly
/news/pressreleases/detail/iau...IAU XXXII General Assembly Commences in Cape Town
/news/pressreleases/detail/iau...IMG-ALT IAU ODE Prizes 2024
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/science/meetings/future/2788/IAUS 397, Exploring the Universe with Artificial Intelligence (UniversAI), Athens, Greece
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