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Astroperform alternatives & similar sites

Astro Perform — 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
derastro.com ↗	67 match 1 shared topics	derastro	en	space-and-astronomy Shopify	robots llmsaihumans	emailphone	none
garyastro.com ↗	67 match 1 shared topics	Gary Astro	en	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	none
astrolab.space ↗	67 match 1 shared topics	Astrolab	en	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	none
galileomultiverse.com ↗	65 match 1 shared topics	ONLINE ASTRONOMY SCHOOL - Home	en	space-and-astronomy Weebly	robotsllmsaihumans	emailphone	none
jayapt.com ↗	65 match 1 shared topics	Astronaut speaker Jay Apt	en	space-and-astronomy WordPress WooCommerce	robotsllmsaihumans	emailphone	none
milligannet.org ↗	64 match 1 shared topics	Tom's Astronomy	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
wealdenastronomers.com ↗	64 match 1 shared topics	Wealden Astronomers	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
milkywaycalendar.com ↗	64 match 1 shared topics	Personalized Astro Photography Calendar	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
dritter.net ↗	64 match 1 shared topics	Dave's Astronomy	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
sawneegold.com ↗	64 match 1 shared topics	Sawnee Gold Astroworks	en	space-and-astronomy Ghost	robotsllmsaihumans	emailphone	none
astroscale.com ↗	64 match 1 shared topics	Astroscale \| Space for Tomorrow	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
abovezenith.org ↗	64 match 1 shared topics	Above Zenith: DIY Workshops, Astro Camps and Edtech Courses	en	space-and-astronomy WordPress WooCommerce	robotsllmsaihumans	emailphone	none
wehavethestars.com ↗	64 match 1 shared topics	Chris Cooke Astronomy	en	space-and-astronomy	robotsllmsaihumans	email phone	none
sjaa.net ↗	63 match 1 shared topics	SJAA - San Jose Astronomical Association	United States~ en	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	none
akanayoherbal.org ↗	63 match 1 shared topics	XINC ASTRO — Ghana's Night Sky, Reimagined	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
scopetrader.com ↗	63 match 1 shared topics	Astronomy Equipment Magazine	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
skyportal.io ↗	63 match 1 shared topics	SkyPortal : Astronomical Data Platform	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
cumberlandastro.org ↗	63 match 1 shared topics	Homepage \| Cumberland Astro	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.