Esa.int - SEO Checker

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Overview of the SEO Check
Meta information
77% 
Page quality
86% 
Page structure
58% 
Link structure
86% 
Server
100% 
External factors
100% 
SEO Score
Response time
0.12 s
File size
53.30 kB
Words
778
Media files
93
Number of links
62 internal / 15 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
European Space Agency
The length of the page title is perfect. (224 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
The European Space Agency portal features the latest news in space exploration, human spaceflight, launchers, telecommunications, navigation, monitoring and space science.
The meta description is too long: 1085 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)
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, user-scalable=no, initial-scale=1.0, minimum-scale=1.0, maximum-scale=1.0
facebook-domain-verificationhuxggdjw6qgb4kjoxa3s1ixopprlpf
descriptionThe European Space Agency portal features the latest news in space exploration, human spaceflight, launchers, telecommunications, navigation, monitoring and space science.
keywordsEuropean Space Agency, Moon, Mars, sun, space exploration, probes, missions, satellites, launchers, international space station, ISS, telecommunications, earth observation, navigation, astronauts, solar system, universe, remote sensing, space news, ESA, environment, monitoring, astronomy, Ariane, rocket, Galileo, comet, education, Venus
langen
og:titleEuropean Space Agency
og:descriptionThe European Space Agency portal features the latest news in space exploration, human spaceflight, launchers, telecommunications, navigation, monitoring and space science.
X-UA-CompatibleIE=edge
charsetutf-8

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Page quality

Content
(Critically important)
This page contains 778 words. That's ok.
18.5% 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.
4 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 13.5 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, user-scalable=no, initial-scale=1.0, minimum-scale=1.0, maximum-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 16 tags for this page.
Image SEO
(Somewhat important)
22 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
...llars/design/pillars/images/ESA_Menu.svgESA menu toggle
...ars/design/pillars/images/ESA_Search.svgESA search toggle
...lars/design/pillars/images/ESA_Title.svgESA title
...llars/design/pillars/images/ESA_Logo.svgESA logo
.../pillars/design/pillars/images/arrow.svgOpen item
...lombo_s_fourth_Mercury_flyby_pillars.jpgBepiColombo’s fourth Mercury flyby
.../pillars/design/pillars/images/arrow.svgOpen item
...ntinel-2C_takes_to_the_skies_pillars.jpgSentinel-2C takes to the skies
.../pillars/design/pillars/images/arrow.svgOpen item
..._Question_Mark_Galaxy_NIRCam_pillars.jpgLensed Question Mark Galaxy (NIRCam)
.../pillars/design/pillars/images/arrow.svgOpen item
...12-1-eng-GB/One_ESA_carousel_pillars.jpgNo alt attribute provided
.../pillars/design/pillars/images/arrow.svgOpen item
...4-3-eng-GB/Discover_ESA_Live_pillars.pngNo alt attribute provided
...B/Sentinel-2_mission_cover_card_full.jpgNo alt attribute provided
...rs/design/pillars/images/arrow-white.svgOpen
...rs/design/pillars/images/play-button.svgPlay
...eng-GB/Mars_rover_trials_card_medium.pngNo alt attribute provided
...rs/design/pillars/images/arrow-white.svgPlay
...l_Perseids_meteor_shower_card_medium.jpgNo alt attribute provided
.../pillars/design/pillars/images/arrow.svgRead
...inel-2_captures_Sentinel-2_card_full.jpgThe Copernicus Sentinel-2B satellite captured this image over Europe’s Spaceport in French Guiana on 2 September, just ahead of the Sentinel-2C launch.
...rs/design/pillars/images/arrow-white.svgView
...l_part_3D_printed_in_space_card_full.jpgNo alt attribute provided
...rs/design/pillars/images/arrow-white.svgView
.../Four_Galileo_satellites_card_medium.jpgFour Galileo satellites
.../pillars/design/pillars/images/arrow.svgRead
...rs/design/pillars/images/play-button.svgPlay
...nel-2C_launch_highlights_card_medium.pngNo alt attribute provided
...rs/design/pillars/images/arrow-white.svgPlay
...analysing_carbon_budgets_card_medium.jpgRECAPP-2: analysing carbon budgets
.../pillars/design/pillars/images/arrow.svgRead
...O_for_Sentinel-2C_launch_card_medium.jpgMission control GO for Sentinel-2C launch
.../pillars/design/pillars/images/arrow.svgRead
.../pillars/design/pillars/images/arrow.svgOpen item
...ne_6_first_flight_highlights_pillars.jpgNo alt attribute provided
...53-1-eng-GB/Our_missions_card_medium.jpgNo alt attribute provided
.../pillars/design/pillars/images/arrow.svgOpen
.../DiscoverESA_cover_image_card_medium.pngNo alt attribute provided
.../pillars/design/pillars/images/arrow.svgOpen
...855-1-eng-GB/This_is_ESA_card_medium.jpgNo alt attribute provided
.../pillars/design/pillars/images/arrow.svgOpen
.../ESA_blog_navigator_link_card_medium.jpgESA blog navigator link
.../pillars/design/pillars/images/arrow.svgOpen
...-eng-GB/ESA_brand_centre_card_medium.jpgNo alt attribute provided
.../pillars/design/pillars/images/arrow.svgOpen
.../pillars/design/pillars/images/arrow.svgOpen item
...view_of_the_Horsehead_Nebula_pillars.jpgEuclid’s view of the Horsehead Nebula
..._visual_banner_letterbox_card_medium.pngESA ESTEC Open Day 2024 key visual banner letterbox
.../pillars/design/pillars/images/arrow.svgRead
...o_s_fourth_Mercury_flyby_card_medium.jpgBepiColombo’s fourth Mercury flyby
.../pillars/design/pillars/images/arrow.svgRead
...93-1-eng-GB/Cosmic_pearl_card_medium.jpgNo alt attribute provided
.../pillars/design/pillars/images/arrow.svgRead
...-eng-GB/CubeSat_fitcheck_card_medium.jpgNo alt attribute provided
.../pillars/design/pillars/images/arrow.svgRead
...-eng-GB/Antarctica_in_3D_card_medium.pngAntarctica in 3D
.../pillars/design/pillars/images/arrow.svgRead
...3-4-eng-GB/Low_Earth_orbit_card_full.pngLow Earth orbit
...rs/design/pillars/images/arrow-white.svgView
...rs/design/pillars/images/play-button.svgPlay
...eng-GB/Mars_rover_trials_card_medium.pngNo alt attribute provided
...rs/design/pillars/images/arrow-white.svgPlay
...rs/design/pillars/images/play-button.svgPlay
...nel-2C_launch_highlights_card_medium.pngNo alt attribute provided
...rs/design/pillars/images/arrow-white.svgPlay
...rs/design/pillars/images/play-button.svgPlay
...nel-2C_ready_for_liftoff_card_medium.jpgNo alt attribute provided
...rs/design/pillars/images/arrow-white.svgPlay
...rs/design/pillars/images/play-button.svgPlay
...re-launch_media_briefing_card_medium.pngNo alt attribute provided
...rs/design/pillars/images/arrow-white.svgPlay
...rs/design/pillars/images/play-button.svgPlay
...ar-Earth_flyby_the_movie_card_medium.jpgNo alt attribute provided
...rs/design/pillars/images/arrow-white.svgPlay
...1093729-4-eng-GB/Careers_card_medium.jpgNo alt attribute provided
.../pillars/design/pillars/images/arrow.svgOpen
...eng-GB/Business_with_ESA_card_medium.jpgNo alt attribute provided
.../pillars/design/pillars/images/arrow.svgOpen
...pace_Innovation_Platform_card_medium.jpgOpen Space Innovation Platform
.../pillars/design/pillars/images/arrow.svgOpen
...ommercialisation_Gateway_card_medium.gifESA Commercialisation Gateway
.../pillars/design/pillars/images/arrow.svgOpen
...l_part_3D_printed_in_space_card_full.jpgNo alt attribute provided
...rs/design/pillars/images/arrow-white.svgView
...inel-2_captures_Sentinel-2_card_full.jpgThe Copernicus Sentinel-2B satellite captured this image over Europe’s Spaceport in French Guiana on 2 September, just ahead of the Sentinel-2C launch.
...rs/design/pillars/images/arrow-white.svgView
...C_in_the_Vega_launch_tower_card_full.jpgSentinel-2C in the Vega launch tower
...rs/design/pillars/images/arrow-white.svgView
...GB/Webb_peeks_into_Perseus_card_full.jpgWebb peeks into Perseus
...rs/design/pillars/images/arrow-white.svgView
...aps_Moon_en_route_to_Earth_card_full.pngJuice snaps Moon en route to Earth
...rs/design/pillars/images/arrow-white.svgView

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.
There are 54 headings on the page. The amount of headings should be in a more proper relation to the amount of text.

Heading structure

Heading levelContent
H2 In the spotlight
H2 Recommended
H2 Trending
H2 Featured videos
H2 More
H2 Featured images
H3 BepiColombo's best images yet highlight fourth Mercury flyby
H3 Sentinel-2C joins the Copernicus family in orbit
H3 Week in images: 02-06 September 2024
H3 Discover where space begins: the guide to ESA’s establishments
H3 Discover ESA Live: a gateway to ESA’s universe for schools
H3 Copernicus Sentinel-2
H3 Mars rover trials
H3 Debris from DART impact could reach Earth
H3 Earth from Space: Sentinel-2 captures Sentinel-2
H3 First metal part 3D printed in space
H3 New Galileo satellites operational after successful in-orbi…
H3 Sentinel-2C launch highlights
H3 European greenhouse gas emissions decline but land stores w…
H3 Sentinel-2C operators complete final rehearsals
H3 More items
H3 Ariane 6 first flight highlights
H3 Our missions
H3 Discover ESA
H3 This is ESA
H3 ESA Blog Navigator
H3 ESA Brand Centre
H3 Euclid’s view of the Horsehead Nebula
H3 ESA Open Day at ESTEC 2024: Registration open
H3 BepiColombo's best images yet highlight fourth Mercury flyby Duplicate text
H3 Where is the International Space Station?
H3 Student Internships
H3 New view of Antarctica in 3D
H3 Low Earth orbit
H3 Mars rover trials Duplicate text
H3 Sentinel-2C launch highlights Duplicate text
H3 Sentinel-2C: ready for liftoff
H3 Sentinel-2C pre-launch media briefing
H3 Juice’s lunar-Earth flyby: the movie
H3 More items Duplicate text
H3 Careers at ESA
H3 Business with ESA
H3 Open Space Innovation Platform
H3 ESA Commercialisation Gateway
H3 First metal part 3D printed in space Duplicate text
H3 Earth from Space: Sentinel-2 captures Sentinel-2 Duplicate text
H3 Sentinel-2C in the Vega launch tower
H3 Webb peeks into Perseus
H3 Juice snaps Moon en route to Earth
H3 More items Duplicate text
H4 ESA Vision
H4 ESA Pillars
H4 ESA Programmes
H4 ESA and You
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 15 external links on this page.

Found links on this page

LinkAttributesAnchor text
https://www.esa.int/IMG-ALT ESA logo
/Science_Exploration/Space_Sci...Read
IMG-ALT Open item
/Applications/Observing_the_Ea...Text duplicate Read
IMG-ALT Open item
/About_Us/Week_in_images/Week_...Subdomain Open
IMG-ALT Open item
/About_Us/ESA_Publications/One...Text duplicate Open
IMG-ALT Open item
/About_Us/Exhibitions/Discover...Text duplicate Read
IMG-ALT Open item
https://vision.esa.int/New window External Subdomain Agenda 2025
https://esamultimedia.esa.int/...New window External Subdomain Advisory group report
https://vision.esa.int/categor...New window External Subdomain Accelerators
https://vision.esa.int/categor...New window External Subdomain Space Summit 2023
/Science_ExplorationSubdomain Science & Exploration
https://www.esa.int/Space_SafetySubdomain Space Safety
https://www.esa.int/ApplicationsSubdomain Applications
/Enabling_SupportSubdomain Enabling & Support
/Science_Exploration/Space_Sci...Space Science
/Science_Exploration/Human_and...Human and Robotic Exploration
/Applications/Observing_the_EarthObserving the Earth
/Applications/Connectivity_and...Connectivity
/Applications/Satellite_naviga...Satellite Navigation
/Enabling_Support/Space_Transp...Space Transportation
/Enabling_Support/Space_Engine...Technology
/Enabling_Support/OperationsOperations
/About_Us/Careers_at_ESACareers at ESA
/About_Us/Business_with_ESABusiness with ESA
https://www.esa.int/NewsroomESA for Media
https://www.esa.int/EducationEducation at ESA
/Applications/Observing_the_Ea...New window Mission Applications Copernicus Sentinel-2 Open
IMG-ALT Open
/ESA_Multimedia/Videos/2024/09...Video 00:01:00 Science & Exploration Mars rover trials 06/09/2024 909 views 27 likes Play
IMG-ALT Play
/Space_Safety/Hera/Debris_from...Story Space Safety Debris from DART impact could reach Earth 06/09/2024 2080 views 28 likes Read
IMG-ALT Read
/ESA_Multimedia/Images/2024/09...Image Applications Earth from Space: Sentinel-2 captures Sentinel-2 06/09/2024 1096 views 22 likes View
IMG-ALT The Copernicus Sentinel-2B satellite captured this image over Europe’s Spaceport in French Guiana on 2 September, just ahead of the Sentinel-2C launch.
/ESA_Multimedia/Images/2024/09...Image Science & Exploration First metal part 3D printed in space 06/09/2024 2242 views 48 likes View
IMG-ALT View
/Applications/Satellite_naviga...Story Applications New Galileo satellites operational after successful in-orbi… 05/09/2024 1578 views 32 likes Read
IMG-ALT Four Galileo satellites
/ESA_Multimedia/Videos/2024/09...Video 00:14:09 Enabling & Support Sentinel-2C launch highlights 05/09/2024 1098 views 39 likes Play
IMG-ALT Play
/Applications/Observing_the_Ea...Story Applications European greenhouse gas emissions decline but land stores w… 04/09/2024 1430 views 29 likes Read
IMG-ALT RECAPP-2: analysing carbon budgets
/Enabling_Support/Operations/S...Story Enabling & Support Sentinel-2C operators complete final rehearsals 03/09/2024 2032 views 34 likes Read
IMG-ALT Mission control GO for Sentinel-2C launch
https://www.esa.int/(archive)/0More items
/ESA_Multimedia/Videos/2024/07...Play
IMG-ALT Open item
/ESA/Our_MissionsSubdomain Focus on Our missions Discover our missions: past, present and future. Open
IMG-ALT Open
https://discover.esa.int/New window External Subdomain Focus on Discover ESA Explore the full range of ESA’s activities through a set of thematic journeys Open
IMG-ALT Open
/About_Us/ESA_Publications/Thi...Focus on This is ESA This is ESA is an illustrated guide to what ESA is and what we do. Now available in all Member State languages. Open
IMG-ALT Open
http://blogs.esa.int/New window External Subdomain Focus on ESA Blog Navigator Check out all our active blogs - although update frequency can vary. Open
IMG-ALT ESA blog navigator link
https://brand.esa.int/New window External Subdomain Focus on ESA Brand Centre Discover the ESA brand, with guidelines and downloadable assets, such as logos. Plus explore ESA brand licensing, co-branding and m...
IMG-ALT Open
/ESA_Multimedia/Images/2023/11...View
IMG-ALT Open item
/About_Us/ESTEC/ESA_Open_Days_...Story Agency ESA Open Day at ESTEC 2024: Registration open 02/09/2024 18921 views 26 likes Read
IMG-ALT ESA ESTEC Open Day 2024 key visual banner letterbox
/Science_Exploration/Space_Sci...Story Science & Exploration BepiColombo's best images yet highlight fourth Mercury flyby 05/09/2024 24313 views 87 likes Read
IMG-ALT BepiColombo’s fourth Mercury flyby
/Science_Exploration/Human_and...Story Science & Exploration Where is the International Space Station? 31098248 views 58741 likes Read
IMG-ALT Read
/About_Us/Careers_at_ESA/Stude...Story Agency Student Internships 1093857 views 1447 likes Read
IMG-ALT Read
/Applications/Observing_the_Ea...Story Applications New view of Antarctica in 3D 11/05/2018 19928 views 108 likes Read
IMG-ALT Antarctica in 3D
/ESA_Multimedia/Images/2020/03...Image Enabling & Support Low Earth orbit 02/03/2020 153944 views 720 likes View
IMG-ALT Low Earth orbit
/ESA_Multimedia/Videos/2024/09...Text duplicate Video 00:01:00 Science & Exploration Mars rover trials 06/09/2024 909 views 27 likes Play
IMG-ALT Play
/ESA_Multimedia/Videos/2024/09...Text duplicate Video 00:14:09 Enabling & Support Sentinel-2C launch highlights 05/09/2024 1098 views 39 likes Play
IMG-ALT Play
/ESA_Multimedia/Videos/2024/08...Video 00:02:32 Applications Sentinel-2C: ready for liftoff 30/08/2024 3270 views 47 likes Play
IMG-ALT Play
/ESA_Multimedia/Videos/2024/08...Video 00:52:00 Applications Sentinel-2C pre-launch media briefing 29/08/2024 1335 views 15 likes Play
IMG-ALT Play
/ESA_Multimedia/Videos/2024/08...Video 00:01:23 Science & Exploration Juice’s lunar-Earth flyby: the movie 27/08/2024 4704 views 99 likes Play
IMG-ALT Play
/ESA_Multimedia/VideosText duplicate More items
/About_Us/Careers_at_ESAFocus on Careers at ESA Work with a highly dedicated team, committed to ensuring that Europe continues to remain at the forefront of the space industry. Open
IMG-ALT Open
/About_Us/Business_with_ESAFocus on Business with ESA ESA procurements aim to accomplish ESA space missions and to support the competitiveness of the European space industry. Open
IMG-ALT Open
https://ideas.esa.int/New window External Subdomain Focus on Open Space Innovation Platform Submit your ideas and change the future of space research, technology and applications. Open
IMG-ALT Open Space Innovation Platform
https://commercialisation.esa....New window External Subdomain Focus on ESA Commercialisation Gateway Creating links between new businesses and ESA Open
IMG-ALT ESA Commercialisation Gateway
/ESA_Multimedia/Images/2024/09...Text duplicate Image Science & Exploration First metal part 3D printed in space 06/09/2024 2242 views 48 likes View
IMG-ALT View
/ESA_Multimedia/Images/2024/09...Text duplicate Image Applications Earth from Space: Sentinel-2 captures Sentinel-2 06/09/2024 1096 views 22 likes View
IMG-ALT The Copernicus Sentinel-2B satellite captured this image over Europe’s Spaceport in French Guiana on 2 September, just ahead of the Sentinel-2C launch.
/ESA_Multimedia/Images/2024/08...Image Applications Sentinel-2C in the Vega launch tower 27/08/2024 2225 views 60 likes View
IMG-ALT Sentinel-2C in the Vega launch tower
/ESA_Multimedia/Images/2024/08...Image Science & Exploration Webb peeks into Perseus 27/08/2024 3538 views 118 likes View
IMG-ALT Webb peeks into Perseus
/ESA_Multimedia/Images/2024/08...Image Science & Exploration Juice snaps Moon en route to Earth 20/08/2024 12309 views 145 likes View
IMG-ALT Juice snaps Moon en route to Earth
/ESA_Multimedia/ImagesText duplicate More items
/Services/Frequently_asked_que...FAQ
/Services/ContactsContacts
/Services/Terms_and_conditionsTerms and conditions
/Services/Privacy_noticePrivacy notice
/About_Us/Careers_at_ESAText duplicate Careers at ESA
/Services/Email_updatesSubscribe
https://www.youtube.com/user/ESANew window External Subdomain No Text
https://twitter.com/esaNew window External No Text
https://www.facebook.com/Europ...New window External Subdomain No Text
https://www.instagram.com/euro...New window External Subdomain No Text
https://www.linkedin.com/compa...New window External Subdomain No Text
https://www.pinterest.com/Euro...New window External Subdomain No Text

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://www.esa.int/"
HTTP header
(Important)
No X-Powered HTTP header is sent.
This page uses GZip for compressed data transmission.
Performance
(Somewhat important)
The page response time is excellent with 0.12 seconds.
The file size of the HTML document is fine (53 kB).

HTTP Response Header

NameValue
expiresSat, 07 Sep 2024 23:28:21 GMT
served-bywww.esa.int
content-languageen-GB
strict-transport-securitymax-age=604800
cache-controlmax-age=600
last-modifiedSat, 07 Sep 2024 23:18:51 GMT
content-encodinggzip
content-typetext/html; charset=utf-8
via1.1 varnish, 1.1 varnish
accept-rangesbytes
dateSat, 07 Sep 2024 23:27:00 GMT
age489
x-served-bycache-par-lfpg1960097-PAR, cache-fra-etou8220047-FRA
x-cacheMISS, HIT
x-cache-hits0, 2
x-timerS1725751620.481627,VS0,VE0
varyAccept-Encoding,Origin
content-length8111
statuscode200
http_versionHTTP/2

External factors

Blacklists
(Nice to have)
This website is not classified "for adult only".
This page is referenced by wikipedia.
This website has excellent links from other websites.
This page has backlinks from 43,887 referring domains.
This page has 8,440,164 backlinks.
This page has backlinks from 29,158 different ip addresses.
Facebook popularity
(Somewhat important)
The page has 0 shares and comments on Facebook.

Links from Wikipedia

You can find more links using Wikipedia search

Robots.txt

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Crawl-delay: 5
Allow: /
Disallow: /spaceinvideos/layout/set
Disallow: /spaceinimages/layout/set
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User-agent: YahooCacheSystem
User-agent: Mozilla/5.0 (compatible; Yahoo! Slurp; http://help.yahoo.com/help/us/ysearch/slurp)
Crawl-delay: 20

User-agent: YandexBot
User-agent: YandexMedia
User-agent: YandexImages
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User-agent: YandexBlogs
User-agent: YandexNews
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Crawl-delay: 20

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www.esa.int
European Space Agency
The European Space Agency portal features the latest news in space exploration, human spaceflight, launchers, telecommunications, navigation, monitoring and space science.

Most important keywords

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

KeywordResultRecheck
space70%Check
European Space67%Check
Space Agency65%Check
European Space Agency64%Check
European62%Check
Space Exploration59%Check
Agency58%Check
launch58%Check
International Space55%Check
Space Station55%Check
Show more keywords and terms

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