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Cyanometer alternatives & similar sites

Hello Cyanometer! — 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
2metercrew.com ↗	63 match 1 shared topics	Home - 2 METER CREW	en	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	none
cyberstruction.co.uk ↗	63 match 1 shared topics	Welcome to Cyberstruction	United Kingdom en	space-and-astronomy	robotsllmsaihumans	emailphone	none
cometography.com ↗	62 match 1 shared topics	Cometography	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
anomalouscoalition.com ↗	62 match 1 shared topics	The Anomalous Coalition	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
cvafresno.org ↗	61 match 1 shared topics	Central Valley Astronomers	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
3i-atlas.net ↗	61 match 1 shared topics	Interstellar Comet 3I/ATLAS	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
brunomerin.com ↗	61 match 1 shared topics	Bruno Merín – Astronomer	en	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	none
anomanova.com ↗	61 match 1 shared topics	NOMENCLATURE \| Cosmic Horizons	en	space-and-astronomy Wix	robotsllmsaihumans	emailphone	none
hellfirerv.com ↗	61 match 1 shared topics	Home - Hellfire Remote Viewing Club	en	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	none
katyavolkova.com ↗	61 match 1 shared topics	Katya Volkova - The Russian Comet	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
reteviskids.com ↗	61 match 1 shared topics	Svbony - Astronomer's favorite brand	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
retevistoys.com ↗	61 match 1 shared topics	Svbony - Astronomer's favorite brand	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
3i-atlas.tech ↗	61 match 1 shared topics	3I/ATLAS — Claims, Anomalies & Sources	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
anomalycentral.com ↗	61 match 1 shared topics	ANOMALY CENTRAL — UAP Intelligence Platform	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
bryanekman.com ↗	61 match 1 shared topics	Bryan Ekman – All things interesting to me.	en	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	none
earthmonitor.app ↗	61 match 1 shared topics	EarthMonitor — Moon, blooms, meteors & migrations	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
3dastronomer.net ↗	61 match 1 shared topics	3D Astronomer, Space Exploring The Cosmos, Stars or Outer Space.	en	space-and-astronomy Weebly	robotsllmsaihumans	emailphone	none
donmachholz.com ↗	61 match 1 shared topics	Donald Machholz – American Visual Comet Discoverer • 50 Years of Observing	en	space-and-astronomy WordPress WooCommerce	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.