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The Webb Deep-Sky Society — 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
sisc.org ↗	68 match 1 shared topics	The Society for International Space Cooperation: Let's Go!	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
astronomyedinburgh.org ↗	66 match 1 shared topics	Astronomy in Edinburgh - Astronomical Society of Edinburgh	en	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	none
adsass.org ↗	66 match 1 shared topics	ADS All-Sky Survey	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
jas-ucf.com ↗	66 match 1 shared topics	Jet & Aeronautics Society	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
botswanaastronomy.com ↗	65 match 1 shared topics	Diamonds in the Sky - Home	en	space-and-astronomy Weebly	robotsllmsaihumans	emailphone	none
afasociety.org ↗	65 match 1 shared topics	African Astronomical Society	en	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	none
sastrochi.com ↗	65 match 1 shared topics	Sociedad Astronómica de Chihuahua	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
boynevalleyastro.com ↗	65 match 1 shared topics	Boyne Valley Astronomical Society	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
webbsignals.com ↗	65 match 1 shared topics	Webb Signals	United States~ en	space-and-astronomy Tumblr	robotsllmsaihumans	emailphone	none
millseyspages.com ↗	64 match 1 shared topics	John Mills - Astronomical, Musical and Amateur Radio website	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
mdas.net ↗	64 match 1 shared topics	Mount Diablo Astronomical Society Home Page	United States~ en	space-and-astronomy	robotsllmsaihumans	emailphone	none
theuapobserver.com ↗	64 match 1 shared topics	The UAP Observer	United States~ en	space-and-astronomy	robotsllmsaihumans	emailphone	none
janosburg.net ↗	64 match 1 shared topics	Jan Osburg's Website	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
galacticatlas.com ↗	64 match 1 shared topics	Galactic Atlas \| Atlas of the Milky Way	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
simplesky.app ↗	64 match 1 shared topics	Simple Sky - Professional Astrophotography Planning	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
africaspaceworkshops.blog ↗	64 match 1 shared topics	Africa Space Workshops – Further advancing the development of African space expertise, inclusivity, and cooperation in the international arena.	en	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	none
mc2rocketry.com ↗	64 match 1 shared topics	Music City Missile Club > Introduction	en	space-and-astronomy DotNetNuke/DNN	robotsllmsaihumans	email phone	none
mc2rocks.com ↗	64 match 1 shared topics	Music City Missile Club > Introduction	en	space-and-astronomy DotNetNuke/DNN	robotsllmsaihumans	email phone	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.