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Sites similar to cesra.net

Cesra alternatives & similar sites

CESRA: Community of European Solar Radio Astronomers - — 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
astroconnect.co.uk ↗	69 match 1 shared topics	AstroConnect UK - Astronomy Blog & Stargazing Community	United Kingdom en	space-and-astronomy	robotsllmsaihumans	emailphone	none
cavendishradiocosmology.com ↗	68 match 1 shared topics	CAVENDISH RADIO ASTRONOMY & COSMOLOGY - Home	en	space-and-astronomy Weebly	robotsllmsaihumans	emailphone	none
fordingbridgeastro.org.uk ↗	68 match 1 shared topics	Fordingbridge Astronomers	United Kingdom en	space-and-astronomy	robotsllmsaihumans	emailphone	none
millseyspages.com ↗	68 match 1 shared topics	John Mills - Astronomical, Musical and Amateur Radio website	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
projecthalley.com ↗	68 match 1 shared topics	Project Halley – Astronomy, Science and Discovery	en	space-and-astronomy WordPress WooCommerce	robotsllmsaihumans	emailphone	none
cassapedroastro.net ↗	67 match 1 shared topics	Casa Pedro Astronomy	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
edenbridgeastro.org.uk ↗	67 match 1 shared topics	WELCOME - Edenbridge and District Astronomers	United Kingdom en	space-and-astronomy	robotsllmsaihumans	emailphone	none
astronomyedinburgh.org ↗	67 match 1 shared topics	Astronomy in Edinburgh - Astronomical Society of Edinburgh	en	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	none
deepastronomy.com ↗	66 match 1 shared topics	Original Astronomy Content - Deep Astronomy	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
cvafresno.org ↗	66 match 1 shared topics	Central Valley Astronomers	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
flamsteed.org.uk ↗	66 match 1 shared topics	Flamsteed Astronomy Society	United Kingdom en	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	none
astronomy.org.au ↗	66 match 1 shared topics	Australian Astronomy – Astronomical Society of Australia	Australia en	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	none
deepskydude.com ↗	66 match 1 shared topics	Deep Sky Dude \| Amateur astronomer and science communicator	en	space-and-astronomy WordPress WooCommerce	robotsllmsaihumans	emailphone	none
astas.org.au ↗	66 match 1 shared topics	Astronomical Society Tasmania \| Astronomical	Australia en	space-and-astronomy	robotsllmsaihumans	email phone	none
siamastronomy.com ↗	66 match 1 shared topics	Siam Astronomy	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
procyonsystems.com ↗	66 match 1 shared topics	Procyon Systems – Serving the Amateur Astronomy community since 1993	en	space-and-astronomy WordPress WooCommerce	robotsllmsaihumans	emailphone	none
astrofactory.co.uk ↗	66 match 1 shared topics	AstroFactory UK: Astronomy Blog & Astrophotography Guides	United Kingdom en	space-and-astronomy	robotsllmsaihumans	emailphone	none
n5ama.com ↗	66 match 1 shared topics	n5ama.com – Astronomy support	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.