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ESCIES (European Space Components Information Exchange System) — 18 websites ranked by shared content topics, category and on-page relevance.

Each result shows its full tech stack, contacts and AI-policy — not just a name · Browse all sites in Space And Astronomy →

Domain	Match	Title	Country/Lang	Category	AI files	Contact	AI-protection
eusdc.org ↗	70 match 1 shared topics	European Space Design Competition	en	space-and-astronomy WordPress WooCommerce	robotsllmsaihumans	emailphone	none
esa.int ↗	70 match 1 shared topics	European Space Agency	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
esamoocs.org ↗	69 match 1 shared topics	European Space Agency MOOCs	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
eshvernon.org ↗	68 match 1 shared topics	European Space Heritage	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
vitruvianspacesystems.com ↗	67 match 1 shared topics	Vitruvian Space Systems	United States~ en	space-and-astronomy	robotsllmsaihumans	emailphone	none
spacesystems.uk ↗	66 match 1 shared topics	Space Systems - Space Systems Ltd	United Kingdom en	space-and-astronomy WordPress WooCommerce	robots llmsaihumans	emailphone	none
ssaihq.com ↗	66 match 1 shared topics	SSAI - Science Systems and Applications Inc.	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
aac-clyde.space ↗	66 match 1 shared topics	AAC Clyde Space \| Space Data & Satellite Constellation Providers	en	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	none
ets-bv.net ↗	66 match 1 shared topics	European Test Services	en	space-and-astronomy WordPress WooCommerce	robotsllmsaihumans	emailphone	none
european-test-service.net ↗	66 match 1 shared topics	European Test Services	en	space-and-astronomy WordPress WooCommerce	robotsllmsaihumans	emailphone	none
european-test-services.net ↗	66 match 1 shared topics	European Test Services	en	space-and-astronomy WordPress WooCommerce	robotsllmsaihumans	emailphone	none
dandelionsat.com ↗	65 match 1 shared topics	Dandelion Space \| Open-source satellite education	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
bluecanyontech.com ↗	65 match 1 shared topics	Blue Canyon Technologies » Spacecraft buses, systems and solutions	en	space-and-astronomy WordPress WooCommerce	robotsllmsaihumans	emailphone	partial · 8
danielides.com ↗	65 match 1 shared topics	Home & Contact - Danielides Space Science Consulting	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
medisonspace.com ↗	65 match 1 shared topics	Medison Space – Energy. Intelligence. Exploration.	en	space-and-astronomy	robotsllmsaihumans	emailphone	partial · 8
4spacescience.com ↗	65 match 1 shared topics	4SpaceScience -- Search Space Science Data, News, Tools	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
kateonearth.com ↗	65 match 1 shared topics	Kate Howells - Public Education Specialist - Space Communicator	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
star-walks.com ↗	65 match 1 shared topics	Spaceinterface – the human side of space tech	en	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	none

How the match score works

Each match is a 0–100 similarity score — the higher it is, the more two sites resemble one another. It’s computed automatically from our own crawl data (never from what a site says about itself) by combining several independent signals, so a high score means several of them point the same way:

shared topics how many of the same fine‑grained content topics (IAB sub‑categories) both sites cover — the main signal.
same category whether they sit in the same business / industry category.
content & title how closely their titles and page descriptions line up in wording and meaning.

No single signal decides the result — they’re blended together. Treat the score as a way to rank candidates rather than an absolute percentage; the chips on each result show which signals contributed.