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Sfsupernova alternatives & similar sites

SF Supernova — 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
sfaqt.com ↗	63 match 1 shared topics	Super Fun Adventure Quest Time	en	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	none
astrinova.io ↗	62 match 1 shared topics	Home - Astrinova	en	space-and-astronomy WordPress WooCommerce	robotsllmsaihumans	emailphone	none
aasnova.org ↗	62 match 1 shared topics	Homepage - AAS Nova	en	space-and-astronomy WordPress WooCommerce	robotsllmsaihumans	emailphone	none
copernicus.eu ↗	62 match 1 shared topics	Homepage \| Copernicus	European Union en	space-and-astronomy Drupal	robotsllmsaihumans	emailphone	none
astroheredero.com ↗	62 match 1 shared topics	Astroheredero \| De la superficie de un planeta rocoso hacia el Universo sin limites!!!	en	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	none
cybernovanft.art ↗	61 match 1 shared topics	Cyber Nova \| Next-Gen Alien Civilization	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
euspace-programme.eu ↗	61 match 1 shared topics	EU Space and the Coronavirus \| Copernicus	European Union en	space-and-astronomy Drupal	robotsllmsaihumans	emailphone	none
cbastro.org ↗	61 match 1 shared topics	CBA – Center for Backyard Astrophysics	en	space-and-astronomy WordPress WooCommerce	robotsllmsaihumans	emailphone	none
cesarmartinezsmarthaps.com ↗	61 match 1 shared topics	César Martínez Fernández \| Smarthaps	en	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	none
tyvak.com ↗	61 match 1 shared topics	Terran Orbital: Innovating Space Technology	en	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	none
nuspace.tech ↗	61 match 1 shared topics	NuSpace: Innovating Space Engineering Solutions	en	space-and-astronomy Weebly	robotsllmsaihumans	emailphone	none
quartzmirrorblanks.com ↗	61 match 1 shared topics	Five Star Optical Supply\|Quartz Mirror Blanks for Telescopes	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
csparc.org ↗	61 match 1 shared topics	Cyprus Space Research and Innovation Centre (C-SpaRC)	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
astrosteve.com ↗	61 match 1 shared topics	AstroSteve's backyard - Buena Vista Observatory astroimaging	en	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	none
astroforumspace.com ↗	61 match 1 shared topics	Wido's AstroForum – Exploring the Universe from your Backyard	en	space-and-astronomy WordPress WooCommerce	robotsllmsaihumans	emailphone	none
astrogdl.com ↗	61 match 1 shared topics	AstroGDL.com, Amateur Astronomy, Astrophotography, Backyard Astronomy	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
astrohusky.com ↗	61 match 1 shared topics	astrohusky — deep-sky astrophotography from a backyard observatory	en	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	none
astrotel.com ↗	61 match 1 shared topics	Revolutionizing Space Tourism with Astrotel's Latest Innovation	en	space-and-astronomy	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.