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European Space Agency
The European Space Agency portal features the latest news in space exploration, human spaceflight, launchers, telecommunications, navigation, monitoring and space science.
https://www.esa.int/
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European Space Agency
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The European Space Agency portal features the latest news in space exploration, human spaceflight, launchers, telecommunications, navigation, monitoring and space science.
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  1. In the spotlight
  2. Recommended
  3. Trending
  4. Featured videos
  5. More
  6. Featured images
  1. ESA astronauts help map Europe’s light pollution from space
  2. The Incredible Adventures of the Hera mission – Tales of Terrific Technology
  3. Proba-2 sees two partial eclipses
  4. Discover ESA
  5. Webb: seeing farther
  6. Solar Orbiter’s unprecedented view of the quiet corona
  7. ESA plans for low-orbiting navigation satellites
  8. Craters and cracks on Mars
  9. Ariane 6 assembly timelapse
  10. Webb explores a pair of merging galaxies
  11. From Rome to Cannes
  12. The scary sound of Earth’s magnetic field
  13. Week in images: 17-21 October 2022
  14. More items
  15. Europe ready for Artemis
  16. Information for all visitors to ESA sites
  17. Our missions
  18. Discover ESA
  19. This is ESA
  20. ESA Blog Navigator
  21. The Sun in high resolution
  22. The scary sound of Earth’s magnetic field
  23. ESA plans for low-orbiting navigation satellites
  24. ESA astronauts help map Europe’s light pollution from space
  25. Where is the International Space Station?
  26. Webb explores a pair of merging galaxies
  27. Magnetic field sound waves
  28. Solar Orbiter’s unprecedented view of the quiet corona
  29. The Incredible Adventures of the Hera mission – Tales of Te…
  30. Proba-2 sees two partial eclipses
  31. Ariane 6 assembly timelapse
  32. Info session from the ESA Council meeting
  33. More items
  34. Careers at ESA
  35. Business with ESA
  36. Open Space Innovation Platform
  37. ESA Commercialisation Gateway
  38. Webb explores a pair of merging galaxies
  39. Twin tail revealed in new Hubble image of Didymos-Dimorphos…
  40. Down to Earth
  41. Homeward bound
  42. Webb finds star duo forms ‘fingerprint’ in space
  43. More items
  1. ESA Vision
  2. ESA Pillars
  3. ESA Programmes
  4. ESA and You
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  1. https://www.esa.int/var/esa/storage/images/esa_multimedia/videos/2022/10/the_incredible_adventures_of_the_hera_mission_tales_of_terrific_technology/24539150-1-eng-GB/The_Incredible_Adventures_of_the_Hera_mission_Tales_of_Terrific_Technology_pillars.png
  2. https://www.esa.int/var/esa/storage/images/esa_multimedia/videos/2022/10/proba-2_sees_two_partial_eclipses/24543970-1-eng-GB/Proba-2_sees_two_partial_eclipses_pillars.jpg
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  6. https://www.esa.int/var/esa/storage/images/esa_multimedia/videos/2022/10/ariane_6_assembly_timelapse/24512831-1-eng-GB/Ariane_6_assembly_timelapse_card_medium.png
  7. https://www.esa.int/var/esa/storage/images/esa_multimedia/videos/2022/07/europe_ready_for_artemis/24333887-14-eng-GB/Europe_Ready_For_Artemis_pillars.jpg
  8. https://www.esa.int/var/esa/storage/images/esa_multimedia/images/2020/04/information_for_all_visitors_to_esa_sites/21932843-1-eng-GB/Information_for_all_visitors_to_ESA_sites_card_medium.jpg
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  14. https://www.esa.int/var/esa/storage/images/esa_multimedia/videos/2022/10/the_incredible_adventures_of_the_hera_mission_tales_of_terrific_technology/24539150-1-eng-GB/The_Incredible_Adventures_of_the_Hera_mission_Tales_of_Terrific_Technology_card_medium.png
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  1. https://www.esa.int/
  2. Read
  3. Play
  4. Play
  5. Agenda 2025
  6. Science & Exploration
  7. Space Safety
  8. Applications
  9. Enabling & Support
  10. Space Science
  11. Human and Robotic Exploration
  12. Observing the Earth
  13. Telecommunications
  14. Satellite Navigation
  15. Space Transportation
  16. Technology
  17. Operations
  18. Careers at ESA
  19. Business with ESA
  20. ESA for Media
  21. Education at ESA
  22. Mission Science & Exploration Webb: seeing farther Open
  23. Video 00:01:27 Science & Exploration Solar Orbiter’s unprecedented view of the quiet corona 27/10/2022 630 views 35 likes Play
  24. Story Applications ESA plans for low-orbiting navigation satellites 26/10/2022 4822 views 46 likes Read
  25. Story Science & Exploration Craters and cracks on Mars 26/10/2022 1822 views 94 likes Read
  26. Video 00:02:22 Enabling & Support Ariane 6 assembly timelapse 25/10/2022 2824 views 94 likes Play
  27. Image Science & Exploration Webb explores a pair of merging galaxies 25/10/2022 2910 views 144 likes View
  28. Story Applications From Rome to Cannes 25/10/2022 1718 views 41 likes Read
  29. Story Applications The scary sound of Earth’s magnetic field 24/10/2022 59025 views 272 likes Read
  30. Focus on Week in images: 17-21 October 2022 Discover our week through the lens Open
  31. More items
  32. Play
  33. Focus on Information for all visitors to ESA sites Coronavirus measures for hosted meetings and visitors Open
  34. Focus on Our missions Discover our missions: past, present and future. Open
  35. 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
  36. View
  37. Story Applications The scary sound of Earth’s magnetic field 24/10/2022 59025 views 272 likes Read
  38. Story Applications ESA plans for low-orbiting navigation satellites 26/10/2022 4822 views 46 likes Read
  39. Story Science & Exploration ESA astronauts help map Europe’s light pollution from space 27/10/2022 1004 views 24 likes Read
  40. Story Science & Exploration Where is the International Space Station? 30377053 views 52387 likes Read
  41. Image Science & Exploration Webb explores a pair of merging galaxies 25/10/2022 2910 views 144 likes View
  42. Image Applications Magnetic field sound waves 24/10/2022 11078 views 238 likes View
  43. Video 00:01:27 Science & Exploration Solar Orbiter’s unprecedented view of the quiet corona 27/10/2022 630 views 35 likes Play
  44. Video 00:02:56 Space Safety The Incredible Adventures of the Hera mission – Tales of Te… 26/10/2022 671 views 53 likes Play
  45. Video 00:00:23 Science & Exploration Proba-2 sees two partial eclipses 26/10/2022 2310 views 90 likes Play
  46. Video 00:02:22 Enabling & Support Ariane 6 assembly timelapse 25/10/2022 2824 views 94 likes Play
  47. Video 00:31:00 Agency Info session from the ESA Council meeting 20/10/2022 960 views 27 likes Play
  48. More items
  49. Focus 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
  50. Focus on Business with ESA ESA procurements aim to accomplish ESA space missions and to support the competitiveness of the European space industry. Open
  51. Image Science & Exploration Webb explores a pair of merging galaxies 25/10/2022 2910 views 144 likes View
  52. Image Science & Exploration Twin tail revealed in new Hubble image of Didymos-Dimorphos… 20/10/2022 10240 views 182 likes View
  53. Image Science & Exploration Down to Earth 17/10/2022 1811 views 108 likes View
  54. Image Science & Exploration Homeward bound 14/10/2022 1238 views 72 likes View
  55. Image Science & Exploration Webb finds star duo forms ‘fingerprint’ in space 12/10/2022 2960 views 127 likes View
  56. More items
  57. FAQ
  58. Contacts
  59. Terms and conditions
  60. Privacy notice
  61. Careers at ESA
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  84. https://www.esa.int/var/esa/storage/images/esa_multimedia/images/2022/10/twin_tail_revealed_in_new_hubble_image_of_didymos-dimorphos_system_following_dart_impact/24537038-1-eng-GB/Twin_tail_revealed_in_new_Hubble_image_of_Didymos-Dimorphos_system_following_DART_impact_card_full.jpg
  85. https://www.esa.int/extension/pillars/design/pillars/images/arrow-white.svg
  86. https://www.esa.int/var/esa/storage/images/esa_multimedia/images/2022/10/down_to_earth/24525368-1-eng-GB/Down_to_Earth_card_full.jpg
  87. https://www.esa.int/extension/pillars/design/pillars/images/arrow-white.svg
  88. https://www.esa.int/var/esa/storage/images/esa_multimedia/images/2022/10/homeward_bound/24522915-1-eng-GB/Homeward_bound_card_full.jpg
  89. https://www.esa.int/extension/pillars/design/pillars/images/arrow-white.svg
  90. https://www.esa.int/var/esa/storage/images/esa_multimedia/images/2022/10/webb_finds_star_duo_forms_fingerprint_in_space/24515998-1-eng-GB/Webb_finds_star_duo_forms_fingerprint_in_space_card_full.jpg
  91. https://www.esa.int/extension/pillars/design/pillars/images/arrow-white.svg
Image format
There are 40 images that are not using the AVIF, WebP format.
  1. https://www.esa.int/var/esa/storage/images/esa_multimedia/images/2022/10/milan_at_night_in_2015/24543070-1-eng-GB/Milan_at_night_in_2015_pillars.jpg
  2. https://www.esa.int/var/esa/storage/images/esa_multimedia/videos/2022/10/the_incredible_adventures_of_the_hera_mission_tales_of_terrific_technology/24539150-1-eng-GB/The_Incredible_Adventures_of_the_Hera_mission_Tales_of_Terrific_Technology_pillars.png
  3. https://www.esa.int/var/esa/storage/images/esa_multimedia/videos/2022/10/proba-2_sees_two_partial_eclipses/24543970-1-eng-GB/Proba-2_sees_two_partial_eclipses_pillars.jpg
  4. https://www.esa.int/var/esa/storage/images/esa_multimedia/images/2021/03/discoveresa_cover_image/23194826-1-eng-GB/DiscoverESA_cover_image_pillars.png
  5. https://www.esa.int/var/esa/storage/images/esa_multimedia/images/2021/03/webb/23183507-1-eng-GB/Webb_card_full.jpg
  6. https://www.esa.int/var/esa/storage/images/esa_multimedia/videos/2022/10/solar_orbiter_s_unprecedented_view_of_the_quiet_corona/24540924-2-eng-GB/Solar_Orbiter_s_unprecedented_view_of_the_quiet_corona_card_medium.jpg
  7. https://www.esa.int/var/esa/storage/images/esa_multimedia/images/2019/11/mega-constellation_coverage/21167227-1-eng-GB/Mega-constellation_coverage_card_medium.jpg
  8. https://www.esa.int/var/esa/storage/images/esa_multimedia/images/2022/10/terra_sirenum_mars/24527752-1-eng-GB/Terra_Sirenum_Mars_card_medium.jpg
  9. https://www.esa.int/var/esa/storage/images/esa_multimedia/videos/2022/10/ariane_6_assembly_timelapse/24512831-1-eng-GB/Ariane_6_assembly_timelapse_card_medium.png
  10. https://www.esa.int/var/esa/storage/images/esa_multimedia/images/2022/10/webb_explores_a_pair_of_merging_galaxies/24540999-1-eng-GB/Webb_explores_a_pair_of_merging_galaxies_card_full.jpg
  11. https://www.esa.int/var/esa/storage/images/esa_multimedia/images/2022/10/sentinel-1c_in_cannes/24537903-2-eng-GB/Sentinel-1C_in_Cannes_card_medium.gif
  12. https://www.esa.int/var/esa/storage/images/esa_multimedia/images/2022/10/magnetic_field_sound_waves/24538347-1-eng-GB/Magnetic_field_sound_waves_card_medium.jpg
  13. https://www.esa.int/var/esa/storage/images/esa_multimedia/images/2022/10/webb_s_portrait_of_the_pillars_of_creation/24532802-1-eng-GB/Webb_s_portrait_of_the_Pillars_of_Creation_card_medium.jpg
  14. https://www.esa.int/var/esa/storage/images/esa_multimedia/videos/2022/07/europe_ready_for_artemis/24333887-14-eng-GB/Europe_Ready_For_Artemis_pillars.jpg
  15. https://www.esa.int/var/esa/storage/images/esa_multimedia/images/2020/04/information_for_all_visitors_to_esa_sites/21932843-1-eng-GB/Information_for_all_visitors_to_ESA_sites_card_medium.jpg
  16. https://www.esa.int/var/esa/storage/images/esa_multimedia/images/2019/10/our_missions/21109953-1-eng-GB/Our_missions_card_medium.jpg
  17. https://www.esa.int/var/esa/storage/images/esa_multimedia/images/2021/03/discoveresa_cover_image/23194826-1-eng-GB/DiscoverESA_cover_image_card_medium.png
  18. https://www.esa.int/var/esa/storage/images/esa_multimedia/images/2019/10/this_is_esa/21109855-1-eng-GB/This_is_ESA_card_medium.jpg
  19. https://www.esa.int/var/esa/storage/images/esa_multimedia/images/2019/10/esa_blog_navigator_link/21129844-2-eng-GB/ESA_blog_navigator_link_card_medium.jpg
  20. https://www.esa.int/var/esa/storage/images/esa_multimedia/images/2022/03/the_sun_in_high_resolution/24010613-1-eng-GB/The_Sun_in_high_resolution_pillars.jpg
  21. https://www.esa.int/var/esa/storage/images/esa_multimedia/images/2022/10/magnetic_field_sound_waves/24538347-1-eng-GB/Magnetic_field_sound_waves_card_medium.jpg
  22. https://www.esa.int/var/esa/storage/images/esa_multimedia/images/2019/11/mega-constellation_coverage/21167227-1-eng-GB/Mega-constellation_coverage_card_medium.jpg
  23. https://www.esa.int/var/esa/storage/images/esa_multimedia/images/2022/10/milan_at_night_in_2015/24543070-1-eng-GB/Milan_at_night_in_2015_card_medium.jpg
  24. https://www.esa.int/var/esa/storage/images/esa_multimedia/images/2021/11/cosmic_pearl/23822293-1-eng-GB/Cosmic_pearl_card_medium.jpg
  25. https://www.esa.int/var/esa/storage/images/esa_multimedia/images/2022/10/webb_explores_a_pair_of_merging_galaxies/24540999-1-eng-GB/Webb_explores_a_pair_of_merging_galaxies_card_full.jpg
  26. https://www.esa.int/var/esa/storage/images/esa_multimedia/images/2022/10/magnetic_field_sound_waves/24538347-1-eng-GB/Magnetic_field_sound_waves_card_full.jpg
  27. https://www.esa.int/var/esa/storage/images/esa_multimedia/videos/2022/10/solar_orbiter_s_unprecedented_view_of_the_quiet_corona/24540924-2-eng-GB/Solar_Orbiter_s_unprecedented_view_of_the_quiet_corona_card_medium.jpg
  28. https://www.esa.int/var/esa/storage/images/esa_multimedia/videos/2022/10/the_incredible_adventures_of_the_hera_mission_tales_of_terrific_technology/24539150-1-eng-GB/The_Incredible_Adventures_of_the_Hera_mission_Tales_of_Terrific_Technology_card_medium.png
  29. https://www.esa.int/var/esa/storage/images/esa_multimedia/videos/2022/10/proba-2_sees_two_partial_eclipses/24543970-1-eng-GB/Proba-2_sees_two_partial_eclipses_card_medium.jpg
  30. https://www.esa.int/var/esa/storage/images/esa_multimedia/videos/2022/10/ariane_6_assembly_timelapse/24512831-1-eng-GB/Ariane_6_assembly_timelapse_card_medium.png
  31. https://www.esa.int/var/esa/storage/images/esa_multimedia/videos/2022/10/info_session_from_the_esa_council_meeting/24536825-1-eng-GB/Info_session_from_the_ESA_Council_meeting_card_medium.jpg
  32. https://www.esa.int/var/esa/storage/images/esa_multimedia/images/2019/10/careers/21093729-4-eng-GB/Careers_card_medium.jpg
  33. https://www.esa.int/var/esa/storage/images/esa_multimedia/images/2019/10/business_with_esa/21093947-3-eng-GB/Business_with_ESA_card_medium.jpg
  34. https://www.esa.int/var/esa/storage/images/esa_multimedia/images/2019/04/open_space_innovation_platform/19349285-1-eng-GB/Open_Space_Innovation_Platform_card_medium.jpg
  35. https://www.esa.int/var/esa/storage/images/esa_multimedia/images/2022/02/esa_commercialisation_gateway2/23968982-2-eng-GB/ESA_Commercialisation_Gateway_card_medium.gif
  36. https://www.esa.int/var/esa/storage/images/esa_multimedia/images/2022/10/webb_explores_a_pair_of_merging_galaxies/24540999-1-eng-GB/Webb_explores_a_pair_of_merging_galaxies_card_full.jpg
  37. https://www.esa.int/var/esa/storage/images/esa_multimedia/images/2022/10/twin_tail_revealed_in_new_hubble_image_of_didymos-dimorphos_system_following_dart_impact/24537038-1-eng-GB/Twin_tail_revealed_in_new_Hubble_image_of_Didymos-Dimorphos_system_following_DART_impact_card_full.jpg
  38. https://www.esa.int/var/esa/storage/images/esa_multimedia/images/2022/10/down_to_earth/24525368-1-eng-GB/Down_to_Earth_card_full.jpg
  39. https://www.esa.int/var/esa/storage/images/esa_multimedia/images/2022/10/homeward_bound/24522915-1-eng-GB/Homeward_bound_card_full.jpg
  40. https://www.esa.int/var/esa/storage/images/esa_multimedia/images/2022/10/webb_finds_star_duo_forms_fingerprint_in_space/24515998-1-eng-GB/Webb_finds_star_duo_forms_fingerprint_in_space_card_full.jpg
JavaScript defer
The are 3 javascript resources without the defer attribute.
  1. https://kit.fontawesome.com/b9c8f364cc.js
  2. https://code.jquery.com/jquery-2.2.4.min.js
  3. https://www.esa.int/var/esa/cache/public/javascript/ec3756e8a47adc0f64e3c43418bca85a_1634129598.js
DOM size
The DOM size is optimal.
The HTML file has 862 DOM nodes.
Security
HTTPS encryption
The webpage uses HTTPS encryption.
The HTML file has https://www.esa.int/ DOM nodes.
Mixed content
There are no mixed content resources on the webpage.
Server signature
The webpage does not have a public server signature.
Unsafe cross-origin links
The webpage has 14 unsafe cross-origin links.
Plaintext email
The webpage does not contain any plaintext emails.
Miscellaneous
Structured data
The webpage has structured data.
    Meta viewport
    The webpage has a meta viewport tag set.
    width=device-width, user-scalable=no, initial-scale=1.0, minimum-scale=1.0, maximum-scale=1.0
    Character set
    The webpage has a charset value set.
    utf-8
    Sitemap
    No sitemaps found.
    Social
    The webpage has 5 social links.
    Content length
    The webpage has 823 words.
    Text to HTML ratio
    The text to HTML ratio is under 10%
    The text to HTML ratio is 9%.
    Inline CSS
    The webpage does not contain inline CSS code.
    Deprecated HTML
    There are no deprecated HTML tags on the webpage.