Esa.int - SEO Checker

Overview of the SEO Check
Meta information
77% 
Page quality
87% 
Page structure
58% 
Link structure
78% 
Server
91% 
External factors
100% 
SEO Score
Response time
0.01 s
File size
62.70 kB
Words
869
Media files
118
Number of links
66 internal / 9 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: Italy
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
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 869 words. That's ok.
17.4% 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 15.2 words is good.
Frames
(Critically important)
This website 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.
This website 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 17 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)
The HTTPS protocol for secure data transmission is not used.

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
...es_Perseverance_landing_site_pillars.jpgExoMars orbiter images Perseverance landing site
.../pillars/design/pillars/images/arrow.svgOpen item
...A_s_class_of_2009_astronauts_pillars.jpgNine years of ESA's class of 2009 astronauts
.../pillars/design/pillars/images/arrow.svgOpen item
...g-GB/YGT_Opportunity_no_text_pillars.pngNo alt attribute provided
...g-GB/Astronaut_selection_card_medium.jpgNo alt attribute provided
...urn_overview_infographic_card_medium.pngNo alt attribute provided
...OHO_satellite_23_January_card_medium.jpgSolar flare seen by ESA/NASA SOHO satellite 23 January
...networking_with_CubeSats_card_medium.jpgHera networking with CubeSats
...2-1-eng-GB/Earth_science_card_medium.jpgNo alt attribute provided
...1-eng-GB/Economic_growth_card_medium.jpgNo alt attribute provided
...1-eng-GB/PICASSO_CubeSat_card_medium.jpgPICASSO CubeSat
...-GB/Space_transportation_card_medium.jpgNo alt attribute provided
...ll_visitors_to_ESA_sites_card_medium.jpgNo alt attribute provided
.../pillars/design/pillars/images/arrow.svgOpen
...-eng-GB/Josef_Aschbacher_card_medium.jpgJosef Aschbacher
.../pillars/design/pillars/images/arrow.svgRead
...tion_online_trainings_KV_card_medium.jpgESA Education online trainings key visual
.../pillars/design/pillars/images/arrow.svgRead
...-eng-GB/Vancouver_Canada_card_medium.jpgThe Copernicus Sentinel-2 mission takes us over Vancouver – the third largest city in Canada.
.../pillars/design/pillars/images/arrow.svgRead
...erseverance_landing_site_card_medium.jpgExoMars orbiter images Perseverance landing site
.../pillars/design/pillars/images/arrow.svgRead
...GB/Space_Symphony_cover1_card_medium.jpgSpace Symphony cover
.../pillars/design/pillars/images/arrow.svgRead
...tering_a_lunar_lava_tube_card_medium.gifEntering a lunar lava tube
.../pillars/design/pillars/images/arrow.svgRead
...y_to_get_satellites_moving_card_full.jpgGreener way to get satellites moving
...rs/design/pillars/images/arrow-white.svgView
...cost_of_avoiding_collision_card_full.jpgCollision avoidance: what's the cost?
...rs/design/pillars/images/arrow-white.svgView
...3171528-2-eng-GB/Harmony_card_medium.jpgHarmony
.../pillars/design/pillars/images/arrow.svgRead
...73-1-eng-GB/Space_snapshot_card_full.jpgNo alt attribute provided
...rs/design/pillars/images/arrow-white.svgView
...the_Jezero_neighbourhood_card_medium.jpgIn the Jezero neighbourhood
.../pillars/design/pillars/images/arrow.svgOpen
...66973-1-eng-GB/Etna_erupts_card_full.jpgItaly's Mount Etna, one of the world's most active volcanoes, has erupted twice in less than 48 hours, spewing a fountain of lava and ash into the sky. This Copernicus Sentinel-2 image has been processed to show the lava flow in bright red.
...rs/design/pillars/images/arrow-white.svgView
...rs/design/pillars/images/play-button.svgPlay
...ESA_seeks_new_astronauts_card_medium.jpgNo alt attribute provided
...rs/design/pillars/images/arrow-white.svgPlay
...lentine_Island_Australia_card_medium.jpgFor Valentine's Day, the Copernicus Sentinel-2 mission takes us over Valentine Island in northern Western Australia.
.../pillars/design/pillars/images/arrow.svgOpen
.../pillars/design/pillars/images/arrow.svgOpen item
...tic_a_delicate_icy_ecosystem_pillars.jpgNo alt attribute provided
...53-1-eng-GB/Our_missions_card_medium.jpgNo alt attribute provided
.../pillars/design/pillars/images/arrow.svgOpen
...094027-5-eng-GB/ESA_Shop_card_medium.pngNo alt attribute provided
.../pillars/design/pillars/images/arrow.svgOpen
...7199-1-eng-GB/ESA_Web_TV_card_medium.jpgNo 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
.../pillars/design/pillars/images/arrow.svgOpen item
...iter_s_first_view_of_the_Sun_pillars.jpgSolar Orbiter's first view of the Sun
...-eng-GB/Josef_Aschbacher_card_medium.jpgJosef Aschbacher
.../pillars/design/pillars/images/arrow.svgRead
..._EMU_spacesuit_fit_check_card_medium.jpgLuca Parmitano spacesuit test
.../pillars/design/pillars/images/arrow.svgRead
...-eng-GB/Josef_Aschbacher_card_medium.jpgJosef Aschbacher
.../pillars/design/pillars/images/arrow.svgRead
...03-1-eng-GB/YGT_visual_3_card_medium.jpgYGT visual 3
.../pillars/design/pillars/images/arrow.svgRead
...te_trainee_Justyna_Barys_card_medium.jpgYoung graduate trainee Justyna Barys
.../pillars/design/pillars/images/arrow.svgRead
...B/Samantha_back_on_Earth_card_medium.jpgSamantha back on Earth
.../pillars/design/pillars/images/arrow.svgRead
...ernational_Space_Station_card_medium.jpgInternational Space Station
.../pillars/design/pillars/images/arrow.svgRead
...erseverance_landing_site_card_medium.jpgExoMars orbiter images Perseverance landing site
.../pillars/design/pillars/images/arrow.svgRead
...class_of_2009_astronauts_card_medium.jpgNine years of ESA's class of 2009 astronauts
.../pillars/design/pillars/images/arrow.svgRead
...erseverance_landing_site_card_medium.jpgExoMars orbiter images Perseverance landing site
.../pillars/design/pillars/images/arrow.svgRead
...naut_feasibility_project_card_medium.pngAstronaut selection: parastronaut feasibility project
.../pillars/design/pillars/images/arrow.svgRead
...rs/design/pillars/images/play-button.svgPlay
...ESA_seeks_new_astronauts_card_medium.jpgNo alt attribute provided
...rs/design/pillars/images/arrow-white.svgPlay
...rs/design/pillars/images/play-button.svgPlay
...vering_new_gases_on_Mars_card_medium.jpgNo alt attribute provided
...rs/design/pillars/images/arrow-white.svgPlay
...rs/design/pillars/images/play-button.svgPlay
...S_the_space_data_highway_card_medium.jpgNo alt attribute provided
...rs/design/pillars/images/arrow-white.svgPlay
...rs/design/pillars/images/play-button.svgPlay
...aps_Venus_Earth_and_Mars_card_medium.jpgNo alt attribute provided
...rs/design/pillars/images/arrow-white.svgPlay
...rs/design/pillars/images/play-button.svgPlay
...arth_from_Space_Sardinia_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
...eteosat_Third_Generation_card_medium.jpgMeteosat Third Generation
.../pillars/design/pillars/images/arrow.svgOpen
...y_to_get_satellites_moving_card_full.jpgGreener way to get satellites moving
...rs/design/pillars/images/arrow-white.svgView
...cost_of_avoiding_collision_card_full.jpgCollision avoidance: what's the cost?
...rs/design/pillars/images/arrow-white.svgView
...73-1-eng-GB/Space_snapshot_card_full.jpgNo alt attribute provided
...rs/design/pillars/images/arrow-white.svgView
...66973-1-eng-GB/Etna_erupts_card_full.jpgItaly's Mount Etna, one of the world's most active volcanoes, has erupted twice in less than 48 hours, spewing a fountain of lava and ash into the sky. This Copernicus Sentinel-2 image has been processed to show the lava flow in bright red.
...rs/design/pillars/images/arrow-white.svgView
...1-eng-GB/Flying_fire_watch_card_full.jpgFlying fire watch
...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 59 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 Week in images: 22 - 26 February 2021
H3 Join the new era of exploration as an ESA astronaut
H3 Apply now for the 2021 YGT opportunities!
H3 Information for all visitors to ESA sites
H3 Josef Aschbacher is new ESA Director General
H3 Apply now to the ESA Teach with Space Online Conference
H3 Earth from Space: Vancouver
H3 ExoMars orbiter images Perseverance at landing site
H3 Cosmic Kiss goes symphonic
H3 ESA plans mission to explore lunar caves
H3 Greener way to get satellites moving
H3 The cost of avoiding collision
H3 ESA moves forward with Harmony
H3 Space snapshot
H3 Week in images: 15 - 19 February 2021
H3 Etna erupts
H3 Media event: ESA seeks new astronauts
H3 Week in images: 08 - 12 February 2021
H3 More items
H3 The Arctic: a delicate icy ecosystem
H3 Our missions
H3 ESA Space Shop
H3 ESA Web TV
H3 This is ESA
H3 ESA Blog Navigator
H3 Solar Orbiter's first view of the Sun
H3 Josef Aschbacher is new ESA Director General Duplicate text
H3 Astronaut selection 2021-22 FAQs
H3 Josef Aschbacher, ESA Director General
H3 Apply now for the 2021 YGT opportunities! Duplicate text
H3 Graduates: Young Graduate Trainees
H3 Timeline from applicant to astronaut
H3 Where is the International Space Station?
H3 ExoMars orbiter images Perseverance at landing site Duplicate text
H3 Join the new era of exploration as an ESA astronaut Duplicate text
H3 Week in images: 22 - 26 February 2021 Duplicate text
H3 Parastronaut feasibility project
H3 Media event: ESA seeks new astronauts Duplicate text
H3 Discovering new gases on Mars
H3 EDRS: the space data highway
H3 Solar Orbiter snaps Venus, Earth and Mars
H3 Earth from Space: Sardinia
H3 More items Duplicate text
H3 Careers at ESA
H3 Business with ESA
H3 Open Space Innovation Platform
H3 Downstream Gateway
H3 Greener way to get satellites moving Duplicate text
H3 The cost of avoiding collision Duplicate text
H3 Space snapshot Duplicate text
H3 Etna erupts Duplicate text
H3 Flying fire watch
H3 More items Duplicate text
Some internal link anchor texts are too long.
Some anchor texts are used more than once.
There are 4 links with a trivial anchor text.
The amount of internal links is ok.
All internal links don't have dynamic parameters.
There are 9 external links on this page.
LinkAttributesAnchor text
http://www.esa.int/IMG-ALT ESA logo
/About_Us/Week_in_images/Week_...Open
IMG-ALT Open item
/About_Us/Careers_at_ESA/ESA_A...Read
IMG-ALT Open item
/About_Us/Careers_at_ESA/Apply...Text duplicate Open
IMG-ALT Open item
/About_Us/Careers_at_ESA/ESA_A...Join us
/ESA_Multimedia/Videos/2019/05...Mars
/Science_ExplorationTrivial anchor text
More
/Safety_Security/Lagrange_miss...Space weather
IMG-ALT Solar flare seen by ESA/NASA SOHO satellite 23 January
/Safety_Security/Risky_asteroidsAsteroids
IMG-ALT Hera networking with CubeSats
/Safety_SecurityText duplicate Trivial anchor text
More
/Applications/Observing_the_Ea...ESA for Earth
/Applications/Telecommunicatio...Economic growth
http://www.esa.int/ApplicationsText duplicate Trivial anchor text
More
/Enabling_Support/Space_Engine...CubeSats
IMG-ALT PICASSO CubeSat
/Enabling_Support/Space_Transp...Access to space
/Enabling_SupportText duplicate Trivial anchor text
More
/About_Us/Corporate_news/ESA_m...Focus on Information for all visitors to ESA sites Coronavirus measures for hosted meetings and visitors Open
IMG-ALT Open
/About_Us/Corporate_news/Josef...Story Agency Josef Aschbacher is new ESA Director General 01/03/2021 4541 views 57 likes Read
IMG-ALT Josef Aschbacher
/Education/Teachers_Corner/App...Story Agency Apply now to the ESA Teach with Space Online Conference 26/02/2021 3308 views 37 likes Read
IMG-ALT ESA Education online trainings key visual
/Applications/Observing_the_Ea...Story Applications Earth from Space: Vancouver 26/02/2021 2736 views 36 likes Read
IMG-ALT The Copernicus Sentinel-2 mission takes us over Vancouver – the third largest city in Canada.
/Science_Exploration/Human_and...Story Science & Exploration ExoMars orbiter images Perseverance at landing site 25/02/2021 19037 views 165 likes Read
IMG-ALT ExoMars orbiter images Perseverance landing site
/About_Us/Partnerships/Cosmic_...Story Agency Cosmic Kiss goes symphonic 25/02/2021 2238 views 85 likes Read
IMG-ALT Space Symphony cover
/Enabling_Support/Preparing_fo...Story Enabling & Support ESA plans mission to explore lunar caves 24/02/2021 17960 views 63 likes Read
IMG-ALT Entering a lunar lava tube
/ESA_Multimedia/Images/2021/02...Image Enabling & Support Greener way to get satellites moving 24/02/2021 4797 views 101 likes View
IMG-ALT Greener way to get satellites moving
/ESA_Multimedia/Images/2021/02...Image Safety & Security The cost of avoiding collision 24/02/2021 2031 views 87 likes View
IMG-ALT Collision avoidance: what's the cost?
/Applications/Observing_the_Ea...Story Applications ESA moves forward with Harmony 23/02/2021 4516 views 102 likes Read
IMG-ALT Harmony
/ESA_Multimedia/Images/2021/02...Image Science & Exploration Space snapshot 23/02/2021 2153 views 89 likes View
IMG-ALT View
/About_Us/Week_in_images/Week_...Focus on Week in images: 15 - 19 February 2021 Discover our week through the lens Open
IMG-ALT In the Jezero neighbourhood
/ESA_Multimedia/Images/2021/02...Image Applications Etna erupts 19/02/2021 19022 views 332 likes View
IMG-ALT Italy's Mount Etna, one of the world's most active volcanoes, has erupted twice in less than 48 hours, spewing a fountain of lava and ash into the sky. This ...
/ESA_Multimedia/Videos/2021/02...Video 01:00:00 Science & Exploration Media event: ESA seeks new astronauts 16/02/2021 7629 views 119 likes Play
IMG-ALT Play
/About_Us/Week_in_images/Week_...Focus on Week in images: 08 - 12 February 2021 Discover our week through the lens Open
IMG-ALT For Valentine's Day, the Copernicus Sentinel-2 mission takes us over Valentine Island in northern Western Australia.
http://www.esa.int/(archive)/0More items
/ESA_Multimedia/Videos/2020/09...Play
IMG-ALT Open item
/ESA/Our_MissionsFocus on Our missions Discover our missions: past, present and future. Open
IMG-ALT Open
https://www.esa.int/esashop/New window Focus on ESA Space Shop Official ESA merchandise Open
IMG-ALT Open
/ESA_Multimedia/ESA_Web_TVFocus on ESA Web TV ESA's one-stop-shop for all live events from launches to lectures. 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 Focus on ESA Blog Navigator Check out all our active blogs - although update frequency can vary. Open
IMG-ALT ESA blog navigator link
/ESA_Multimedia/Images/2020/07...View
IMG-ALT Open item
/About_Us/Corporate_news/Josef...Text duplicate Story Agency Josef Aschbacher is new ESA Director General 01/03/2021 4541 views 57 likes Read
IMG-ALT Josef Aschbacher
/About_Us/Careers_at_ESA/ESA_A...Story Agency Astronaut selection 2021-22 FAQs 127569 views 154 likes Read
IMG-ALT Luca Parmitano spacesuit test
/About_Us/Corporate_news/Josef...Story Agency Josef Aschbacher, ESA Director General 01/03/2021 1843 views 33 likes Read
IMG-ALT Josef Aschbacher
/About_Us/Careers_at_ESA/Apply...Story Agency Apply now for the 2021 YGT opportunities! 01/02/2021 114068 views 73 likes Read
IMG-ALT YGT visual 3
/About_Us/Careers_at_ESA/Gradu...Story Agency Graduates: Young Graduate Trainees 525995 views 840 likes Read
IMG-ALT Young graduate trainee Justyna Barys
/About_Us/Careers_at_ESA/ESA_A...Story Agency Timeline from applicant to astronaut 43662 views 118 likes Read
IMG-ALT Samantha back on Earth
/Science_Exploration/Human_and...Story Science & Exploration Where is the International Space Station? 28800800 views 36624 likes Read
IMG-ALT International Space Station
/Science_Exploration/Human_and...Text duplicate Story Science & Exploration ExoMars orbiter images Perseverance at landing site 25/02/2021 19037 views 165 likes Read
IMG-ALT ExoMars orbiter images Perseverance landing site
/About_Us/Careers_at_ESA/ESA_A...Story Agency Join the new era of exploration as an ESA astronaut 16/02/2021 132000 views 435 likes Read
IMG-ALT Nine years of ESA's class of 2009 astronauts
/About_Us/Week_in_images/Week_...Story Agency Week in images: 22 - 26 February 2021 26/02/2021 3824 views 88 likes Read
IMG-ALT ExoMars orbiter images Perseverance landing site
/About_Us/Careers_at_ESA/ESA_A...Story Agency Parastronaut feasibility project 49547 views 242 likes Read
IMG-ALT Astronaut selection: parastronaut feasibility project
/ESA_Multimedia/Videos/2021/02...Text duplicate Video 01:00:00 Science & Exploration Media event: ESA seeks new astronauts 16/02/2021 7629 views 119 likes Play
IMG-ALT Play
/ESA_Multimedia/Videos/2021/02...Video 00:01:00 Science & Exploration Discovering new gases on Mars 10/02/2021 2325 views 93 likes Play
IMG-ALT Play
/ESA_Multimedia/Videos/2021/01...Video 00:02:19 Applications EDRS: the space data highway 27/01/2021 1691 views 70 likes Play
IMG-ALT Play
/ESA_Multimedia/Videos/2021/01...Video 00:00:04 Science & Exploration Solar Orbiter snaps Venus, Earth and Mars 26/01/2021 10996 views 184 likes Play
IMG-ALT Play
/ESA_Multimedia/Videos/2021/01...Video 00:03:23 Applications Earth from Space: Sardinia 22/01/2021 5990 views 121 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 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
http://down2earth.esa.int/New window External Focus on Downstream Gateway Downstream opportunities, linking new and emerging business sectors with capabilities being developed in ESA programmes. Open
IMG-ALT Meteosat Third Generation
/ESA_Multimedia/Images/2021/02...Text duplicate Image Enabling & Support Greener way to get satellites moving 24/02/2021 4797 views 101 likes View
IMG-ALT Greener way to get satellites moving
/ESA_Multimedia/Images/2021/02...Text duplicate Image Safety & Security The cost of avoiding collision 24/02/2021 2031 views 87 likes View
IMG-ALT Collision avoidance: what's the cost?
/ESA_Multimedia/Images/2021/02...Text duplicate Image Science & Exploration Space snapshot 23/02/2021 2153 views 89 likes View
IMG-ALT View
/ESA_Multimedia/Images/2021/02...Text duplicate Image Applications Etna erupts 19/02/2021 19022 views 332 likes View
IMG-ALT Italy's Mount Etna, one of the world's most active volcanoes, has erupted twice in less than 48 hours, spewing a fountain of lava and ash into the sky. This ...
/ESA_Multimedia/Images/2013/02...Image Applications Flying fire watch 18/02/2021 3083 views 114 likes View
IMG-ALT Flying fire watch
/ESA_Multimedia/ImagesText duplicate More items
/Services/Frequently_asked_que...FAQ
/Services/ContactsContacts
/Services/Terms_and_conditionsTerms and conditions
https://public.govdelivery.com...External Subdomain Subscribe
https://www.youtube.com/user/ESANew window External No Text
https://twitter.com/esaNew window External No Text
https://www.facebook.com/Europ...New window External No Text
https://www.instagram.com/euro...New window External No Text
https://www.linkedin.com/compa...New window External No Text

Server configuration

HTTP redirects
(Critically important)
The checked page does not redirect to another URL.
HTTP header
(Important)
The web server version is sent within the HTTP header.
No X-Powered HTTP header is sent.
This website uses GZip for compressed data transmission.
Performance
(Somewhat important)
The page response time is excellent with 0.01 seconds.
This website only loads 1 CSS files. That's ok.
This website only loads 3 JavaScript files. That's good!
The file size of the HTML document is fine (63 kB).

HTTP Response Header

NameValue
dateTue, 02 Mar 2021 05:22:47 GMT
content-typetext/html; charset=utf-8
transfer-encodingchunked
connectionkeep-alive
expiresTue, 02 Mar 2021 05:28:02 GMT
serverPWS/8.3.1.0.8
served-bywww.esa.int
content-languageen-GB
last-modifiedTue, 02 Mar 2021 05:18:02 GMT
content-encodinggzip
age285
via1.1 PSdgflkfFRA1ox201:9 (W), 1.1 PSdgflkfFRA1dm92:9 (W)
x-pxht PSdgflkfFRA1dm92FRA
x-ws-request-id603dcba7_PSdgflkfFRA1je9_6611-43625
cache-controlmax-age=600
statuscode200
http_versionHTTP/1.1

External factors

Blacklists
(Critically important)
This website is not classified "for adult only".
This website is not listed on the Shallalist.
This website is referenced by wikipedia.
This website has excellent links from other websites.
This website has backlinks from 61,253 referring domains.
This website has 15,219,542 backlinks.
This website has backlinks from 44,754 different ip addresses.
Facebook popularity
(Somewhat important)
This website has social activity like shares, comments or likes on facebook.
Listed on Webwiki
(Nice to have)
This website is listed on Webwiki.

Robots.txt

User-agent: *
Crawl-delay: 5
Allow: /
Disallow: /spaceinvideos/layout/set
Disallow: /spaceinimages/layout/set
Disallow: /esatv/layout/set
Disallow: /layout/set
Disallow: /ger/layout/set
Disallow: /fre/layout/set
Disallow: /dut/layout/set
Disallow: /dan/layout/set
Disallow: /esl/layout/set
Disallow: /fin/layout/set
Disallow: /ell/layout/set
Disallow: /ita/layout/set
Disallow: /nor/layout/set
Disallow: /pol/layout/set
Disallow: /por/layout/set
Disallow: /cze/layout/set
Disallow: /ron/layout/set
Disallow: /swe/layout/set

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
User-agent: YandexCatalog
User-agent: YaDirectFetcher
User-agent: YandexBlogs
User-agent: YandexNews
User-agent: YandexPagechecker
User-agent: YandexMetrika
User-agent: YandexMarket
User-agent: YandexCalendar
Crawl-delay: 20

Facebook popularity

Shares / Likes / Comments
2,877

Only the data for the given URL is shown. We cannot determine the social actions for a linked fan page.

Search preview

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 Space65%Check
Space Agency65%Check
European Space Agency63%Check
Space Exploration62%Check
Space Science60%Check
Open Space57%Check
new56%Check
New Era51%Check
Earth Science49%Check

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