Copernicus.eu - SEO Checker

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Overview of the SEO Check
Meta information
75% 
Page quality
85% 
Page structure
75% 
Link structure
18% 
Server
91% 
External factors
100% 
SEO Score
Response time
0.57 s
File size
129.30 kB
Words
865
Media files
43
Number of links
126 internal / 37 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Homepage | Copernicus
The length of the page title is perfect. (216 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)
https://www.copernicus.eu/en/homepage
The specified canonical link points to a different page.
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)
The specified alternate links have no errors.
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
GeneratorDrupal 10 (https://www.drupal.org)
MobileOptimizedwidth
HandheldFriendlytrue
viewportwidth=device-width, initial-scale=1.0
langen
charsetutf-8

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Page quality

Content
(Critically important)
This page contains 865 words. That's ok.
26.1% of the text are stop words.
The page contains a listing, which indicates a good text layout.
15 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 14.69 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 usage of strong and bold tags is perfect. We recommend the use of up to 17 tags for this page.
Image SEO
(Somewhat important)
32 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
/themes/custom/copernicus/img/menu.svgNo alt attribute provided
/themes/custom/copernicus/img/closemenu.svgNo alt attribute provided
...s/custom/copernicus/img/searchmobile.svgNo alt attribute provided
/themes/custom/copernicus/img/closemenu.svgNo alt attribute provided
...stom/copernicus/img/chevrondownwhite.svgNo alt attribute provided
...stom/copernicus/img/chevrondownwhite.svgNo alt attribute provided
...stom/copernicus/img/chevrondownwhite.svgNo alt attribute provided
...stom/copernicus/img/chevrondownwhite.svgNo alt attribute provided
/themes/custom/copernicus/img/menu.svgNo alt attribute provided
/themes/custom/copernicus/img/closemenu.svgNo alt attribute provided
...s/custom/copernicus/img/searchmobile.svgNo alt attribute provided
/themes/custom/copernicus/logo.svgHome
...es/custom/copernicus/img/banner-btn2.svgNo alt attribute provided
...ault/files/inline-images/S1D Banner .pngNo alt attribute provided
...018-10/AtmosphereWhite.png?itok=fXCI263uNo alt attribute provided
...18-10/Atmosphere-hover.png?itok=rc5-OANvNo alt attribute provided
...ic/2018-10/MarineWhite.png?itok=O8DLiM1XNo alt attribute provided
...c/2018-10/Marine-hover.png?itok=0bCGpFuuNo alt attribute provided
...blic/2018-10/LandWhite.png?itok=bQGC8953No alt attribute provided
...lic/2018-10/Land-hover.png?itok=LuSkXVw2No alt attribute provided
.../[email protected]?itok=2dkRkXZBNo alt attribute provided
...10/ClimateChange-hover.png?itok=P8oG3s_8No alt attribute provided
.../2018-10/SecurityWhite.png?itok=3f3GlxTANo alt attribute provided
...tyAndSurveilance-hover.png?itok=DWW7N-VrNo alt attribute provided
...2018-10/EmergencyWhite.png?itok=Jtyin9NwNo alt attribute provided
...anagementService-hover.png?itok=QXBnSuCMNo alt attribute provided
...CMEMS_UseCase_DriftModelling_Finland.pngFMI use case
/sites/default/files/2018-07/eulogo_0.pngEuropean CommissionEuropean Commission
...0/ESA_logo_2020_Deep_0.png?itok=TXSZYocHESAESA
...0px-EUMETSAT_logo.svg_.png?itok=ua6pr7bVEUMETSATEUMETSAT
...e/public/2018-09/ecmwf.png?itok=qeLTyypSECMWFECMWF
...25-02/eea_logo_mini_en.png?itok=v83Ezj62EEAEEA
...ean_web_petit_300haut1.jpg?itok=vJYinR1SMERCATOR OCEANMERCATOR OCEAN
...lic/2018-07/partner2_1.png?itok=1_AuyhNiFRONTEXFRONTEX
...lic/2018-07/partner1_3.png?itok=aFkYVkgVSatCenSatCen
...le/public/2018-09/logo.png?itok=Tp9q9kZbEMSAEMSA
.../img/images/copernicus_eu_logo_white.svgNo alt attribute provided
...nicus/img/images/ccl-icon-atmosphere.svgNo alt attribute provided
...opernicus/img/images/ccl-icon-marine.svgNo alt attribute provided
.../copernicus/img/images/ccl-icon-land.svgNo alt attribute provided
...pernicus/img/images/ccl-icon-climate.svgNo alt attribute provided
...ernicus/img/images/ccl-icon-security.svgNo alt attribute provided
...rnicus/img/images/ccl-icon-emergency.svgNo 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.

Heading structure

Heading levelContent
H2 OBSERVER: Antarctic ozone hole closes early, indicating signs of…
H2 OBSERVER: Seven things we learned from the UN World Urbanization…
H2 OBSERVER: The evolution of the EU Space Networks
H2 Copernicus Sentinel-1D and Sentinel-5A provide first images, marking…
H2 OBSERVER: EU Science for Preparedness conference reaffirms that…
H2 OBSERVER: Thermal Trace from C3S – a powerful new way to monitor heat…
H2 Image of the day
H3 Select your language
H3 Select your language Duplicate text
H3 Highlights
H3 Copernicus services catalogue
H3 Bushfires in the State of Victoria, Australia
H3 Copernicus Services
H3 Copernicus Thematic Hubs
H3 Use cases
H3 Social Media Feed
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.
14 links don't have an anchor text.
The number of internal links is ok.
None of the anchor texts is too long.
There are too many external links (37) on this page.

Found links on this page

LinkAttributesAnchor text
https://www.copernicus.eu/enAnchor Skip to main content
https://www.copernicus.eu/enNo Text
/en/about-copernicusAbout Copernicus
/en/copernicus-servicesCopernicus Services
/en/servicesText duplicate Copernicus Services
/en/opportunitiesOpportunities
/en/opportunities/grants-and-p...Grants and Public Procurements
/en/opportunities/calls-compet...Calls, competitions and prizes
/en/opportunities/eu-space-net...EU Space Networks
/en/opportunities/public-autho...For public authorities
/en/opportunities/start-upsFor Start-ups
/en/opportunities/educationFor education
/en/eu-space-support-office-eussoEUSSO
/access-data/access-dataAccess to Data
/en/access-dataCopernicus Data Access
/en/accessing-data-where-and-h...Copernicus services catalogue
/en/access-data/copyright-and-...Copyright and licenses
/en/copernicus-documents-libraryLibrary
/en/use-casesUse cases
/en/mediaMedia
/en/events/eventsEvents
/en/events/eventsText duplicate Events
/events/infosessionsInfo sessions
/events/livestreamLive stream
/en/news/newsNews
/en/network/get-touchContact
https://www.copernicus.eu/en/faqFAQ
/user/loginLog in
https://www.copernicus.eu/enEnglish
https://www.copernicus.eu/esEspañol
https://www.copernicus.eu/frFrançais
https://www.copernicus.eu/bgBulgarian
https://www.copernicus.eu/hrCroatian
https://www.copernicus.eu/csCzech
https://www.copernicus.eu/daDanish
https://www.copernicus.eu/nlDutch
https://www.copernicus.eu/etEstonian
https://www.copernicus.eu/fiFinnish
https://www.copernicus.eu/deDeutsch
https://www.copernicus.eu/elGreek
https://www.copernicus.eu/huHungarian
https://www.copernicus.eu/gaIrish
https://www.copernicus.eu/itItaliano
https://www.copernicus.eu/lvLatvian
https://www.copernicus.eu/ltLithuanian
https://www.copernicus.eu/plPolish
https://www.copernicus.eu/pt-ptPortuguese, Portugal
https://www.copernicus.eu/roRomanian
https://www.copernicus.eu/skSlovak
https://www.copernicus.eu/slSlovenian
https://www.copernicus.eu/svSwedish
https://www.copernicus.eu/mtMaltese
/en/mediaText duplicate Media
/en/events/eventsText duplicate Events
/en/news/newsText duplicate News
/en/network/get-touchText duplicate Contact
https://www.copernicus.eu/en/faqText duplicate FAQ
/user/loginText duplicate Log in
https://www.copernicus.eu/enText duplicate English
https://www.copernicus.eu/esText duplicate Español
https://www.copernicus.eu/frText duplicate Français
https://www.copernicus.eu/bgText duplicate Bulgarian
https://www.copernicus.eu/hrText duplicate Croatian
https://www.copernicus.eu/csText duplicate Czech
https://www.copernicus.eu/daText duplicate Danish
https://www.copernicus.eu/nlText duplicate Dutch
https://www.copernicus.eu/etText duplicate Estonian
https://www.copernicus.eu/fiText duplicate Finnish
https://www.copernicus.eu/deText duplicate Deutsch
https://www.copernicus.eu/elText duplicate Greek
https://www.copernicus.eu/huText duplicate Hungarian
https://www.copernicus.eu/gaText duplicate Irish
https://www.copernicus.eu/itText duplicate Italiano
https://www.copernicus.eu/lvText duplicate Latvian
https://www.copernicus.eu/ltText duplicate Lithuanian
https://www.copernicus.eu/plText duplicate Polish
https://www.copernicus.eu/pt-ptText duplicate Portuguese, Portugal
https://www.copernicus.eu/roText duplicate Romanian
https://www.copernicus.eu/skText duplicate Slovak
https://www.copernicus.eu/slText duplicate Slovenian
https://www.copernicus.eu/svText duplicate Swedish
https://www.copernicus.eu/mtText duplicate Maltese
https://www.copernicus.eu/enIMG-ALT Home
/en/about-copernicusText duplicate About Copernicus
/en/copernicus-servicesText duplicate Copernicus Services
/en/opportunitiesText duplicate Opportunities
/en/eu-space-support-office-eussoText duplicate EUSSO
/access-data/access-dataText duplicate Access to Data
/en/copernicus-documents-libraryText duplicate Library
/en/use-casesText duplicate Use cases
/en/media/image-day-gallery/bu...More info
/en/news/news/observer-digital...OBSERVER: The Digital Space Ecosystem - A platform connecting Europe’s space community
/en/news/news/observer-antarct...OBSERVER: Antarctic ozone hole closes early, indicating signs of recovery
/en/news/news/observer-seven-t...OBSERVER: Seven things we learned from the UN World Urbanization Prospects
/en/news/news/observer-evoluti...OBSERVER: The evolution of the EU Space Networks
/en/news/news/new-copernicus-s...No Text
/en/news/news/observer-antarct...No Text
/en/news/news/observer-antarct...No Text
/en/news/news/observer-seven-t...No Text
/en/news/news/observer-seven-t...No Text
/en/news/news/observer-evoluti...No Text
/en/news/news/observer-evoluti...No Text
/en/news/news/copernicus-senti...No Text
/en/news/news/copernicus-senti...No Text
/en/news/news/observer-eu-scie...No Text
/en/news/news/observer-eu-scie...No Text
/en/news/news/observer-thermal...No Text
/en/news/news/observer-thermal...No Text
/access-data/copernicus-servic...Learn more
/en/media/image-day-gallery/bu...Bushfires in the State of Victoria, Australia
/services/atmosphereAtmosphere
/services/marineMarine
/services/landLand
/services/climate-changeClimate Change
/services/securitySecurity
/services/emergencyEmergency
https://health.hub.copernicus.eu/New window External Subdomain Health Hub
https://www.coastal.hub.copern...New window External Subdomain Coastal Hub
https://energy.hub.copernicus.eu/New window External Subdomain Energy Hub
https://www.arctic.hub.coperni...New window External Subdomain Arctic Hub
/en/drift-modelling-investigat...Drift modelling to investigate stranding of vegetable oil on Hanko Peninsula, Gulf of Finland
/en/drift-modelling-investigat...View more
/en/maritime-surveillance-serv...A maritime surveillance service supporting law enforcement, search operations and pollution control
/en/sailroutingcom-smart-routi...Sailrouting.com - Smart Routing Tool for Coastal Cruising Sailors
/en/mangrove-resistance-water-...Mangrove resistance to water contamination and plastic in the Motagua River in the Caribbean Sea of Guatemala
/use-casesView all
https://twitter.com/UNESCO?ref...External @UNESCO
https://twitter.com/hashtag/Im...External #ImageOfTheDay
https://twitter.com/hashtag/Co...External #CopernicusEU
https://t.co/3oPVUOt3LWExternal URL anchor text
https://t.co/3oPVUOt3LW
https://t.co/8I0P6mGtF9External pic.twitter.com/8I0P6mGtF9
https://twitter.com/Copernicus...External January 11, 2026
https://twitter.com/hashtag/Im...External Text duplicate #ImageOfTheDay
https://twitter.com/hashtag/Co...External Text duplicate #CopernicusEU
https://t.co/PLAlxXQaZVExternal URL anchor text
https://t.co/PLAlxXQaZV
https://t.co/DYI8A1SGaLExternal pic.twitter.com/DYI8A1SGaL
https://twitter.com/Copernicus...External January 10, 2026
https://twitter.com/hashtag/Co...External Text duplicate #CopernicusEU
https://t.co/bv7GcOlQfwExternal URL anchor text
https://t.co/bv7GcOlQfw
https://t.co/yLOvretOIlExternal pic.twitter.com/yLOvretOIl
https://twitter.com/Copernicus...External Text duplicate January 10, 2026
https://ec.europa.eu/New window Nofollow External Subdomain IMG-ALT European Commission
http://www.esa.int/New window External Subdomain IMG-ALT ESA
http://www.eumetsat.int/New window External Subdomain IMG-ALT EUMETSAT
http://www.ecmwf.int/New window External Subdomain IMG-ALT ECMWF
http://www.eea.europa.eu/New window External Subdomain IMG-ALT EEA
http://www.mercator-ocean.fr/New window External Subdomain IMG-ALT MERCATOR OCEAN
http://frontex.europa.eu/New window External Subdomain IMG-ALT FRONTEX
https://www.satcen.europa.eu/New window External Subdomain IMG-ALT SatCen
http://www.emsa.europa.eu/New window External Subdomain IMG-ALT EMSA
https://atmosphere.copernicus.eu/New window External Subdomain Text duplicate Atmosphere
https://marine.copernicus.eu/New window External Subdomain Text duplicate Marine
https://land.copernicus.eu/New window External Subdomain Text duplicate Land
https://climate.copernicus.eu/New window External Subdomain Text duplicate Climate Change
/en/services/securityNew window Text duplicate Security
https://emergency.copernicus.eu/New window External Subdomain Text duplicate Emergency
https://www.youtube.com/channe...New window External Subdomain No Text
/en/main/rss-subscriptionNew window No Text
https://twitter.com/CopernicusEUNew window External No Text
https://www.instagram.com/cope...New window External Subdomain No Text
https://www.facebook.com/pages...New window External Subdomain No Text
/sites/default/files/2024-08/E...New window Privacy Policy
/sites/default/files/Cookie_Po...New window Cookies

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://www.copernicus.eu/en"
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 of 0.57 seconds is longer than the recommended limit of 0.4 seconds. A high response time unnecessarily slows down search engine crawling and results in bad user experience as well.
The file size of the HTML document is fine (129 kB).

HTTP Response Header

NameValue
dateMon, 12 Jan 2026 10:55:56 GMT
content-typetext/html; charset=UTF-8
cache-controlmax-age=1800, public
x-drupal-dynamic-cacheUNCACHEABLE (poor cacheability)
content-languageen
x-content-type-optionsnosniff
x-frame-optionsSAMEORIGIN
expiresSun, 19 Nov 1978 05:00:00 GMT
last-modifiedMon, 12 Jan 2026 10:27:20 GMT
etag"1768213640-gzip"
varyCookie,Accept-Encoding
x-generatorDrupal 10 (https://www.drupal.org)
x-drupal-cacheHIT
content-encodinggzip
x-azure-ref20260112T105556Z-17bcc8785fcfxrl6hC1FRA93ts0000000kd0000000003a3p
x-cacheCONFIG_NOCACHE
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 1,482 referring domains.
This page has 28,940 backlinks.
This page has backlinks from 1,254 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

# Project specfic
Disallow: /documentation/*
Disallow: /library/document-archive/*
Disallow: /*/print/pdf/*
Disallow: /*/taxonomy/term/*

# Block all EU languages except English
Disallow: /bg/
Disallow: /hr/
Disallow: /cs/
Disallow: /da/
Disallow: /nl/
Disallow: /et/
Disallow: /fi/
Disallow: /fr/
Disallow: /de/
Disallow: /el/
Disallow: /hu/
Disallow: /ga/
Disallow: /it/
Disallow: /lv/
Disallow: /lt/
Disallow: /lu/
Disallow: /mt/
Disallow: /pl/
Disallow: /pt/
Disallow: /ro/
Disallow: /sk/
Disallow: /sl/
Disallow: /es/
Disallow: /sv/

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www.copernicus.eu
Homepage | Copernicus

Most important keywords

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

KeywordResultRecheck
Copernicus66%Check
Copernicus Services57%Check
EU Space Networks50%Check
Services47%Check
language47%Check
Select47%Check
image45%Check
Space43%Check
Europe43%Check
European43%Check
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