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Quarkbox alternatives & similar sites

Quarkbox — 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
ad-astra.blog ↗	62 match 1 shared topics	ad astra - the tiny home for my astrophotos	de	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	none
robertfilter.de ↗	61 match 1 shared topics	Robert Filter - roberfilter.net	Germany de	space-and-astronomy	robotsllmsaihumans	emailphone	partial · 8
cochisa-project.info ↗	60 match 1 shared topics	Cochisa European Core-Chip for Space Applications	Germany~ de	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	none
adler-focus.store ↗	60 match 1 shared topics	Adler Focus - Premium Ferngläser & Teleskope für jedes Abenteuer	de	space-and-astronomy Shopify	robots llmsaihumans	emailphone	none
mein-vogelsberg.com ↗	60 match 1 shared topics	Die Gnümies. Willkommen in der Welt der Gnümies: Planet Gnüm	de	space-and-astronomy WordPress WooCommerce	robotsllmsaihumans	emailphone	none
keplerstern.de ↗	60 match 1 shared topics	Signatur der Sphären \| Lyrik \| Fotographie - Keplerstern Verlag	Germany de	space-and-astronomy WordPress WooCommerce	robotsllmsaihumans	emailphone	none
keshia.de ↗	60 match 1 shared topics	Die Gnümies. Willkommen in der Welt der Gnümies: Planet Gnüm	Germany de	space-and-astronomy WordPress WooCommerce	robotsllmsaihumans	emailphone	none
mirasteilas.net ↗	60 match 1 shared topics	sternwarte mirasteilas Falera - teleskoptreffen mirasteilas Falera	de	space-and-astronomy Jimdo	robotsllmsaihumans	emailphone	none
rolldachhuette.de ↗	60 match 1 shared topics	Teleskop-Schutzbauten.de – Rolldachhütten & Observatorien nach Maß	Germany de	space-and-astronomy	robotsllmsaihumans	email phone	none
rolandbuser.com ↗	60 match 1 shared topics	Professor emeritus Roland Buser – Astronomie und Philosophie	de	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	none
anwe.space ↗	60 match 1 shared topics	Astronomie Netzwerk Weser-Ems – Astro-Networking-Northern-Germany	de	space-and-astronomy WordPress WooCommerce	robotsllmsaihumans	emailphone	none
anyorbit.space ↗	60 match 1 shared topics	AnyOrbit Spacecrafts \| We bring you into space!	de	space-and-astronomy WordPress WooCommerce	robotsllmsaihumans	emailphone	none
avk.space ↗	60 match 1 shared topics	Astronomische Vereinigung Kreuzlingen - Astronomische Vereinigung Kreuzlingen	de	space-and-astronomy	robotsllmsaihumans	emailphone	none
berlin-stars.info ↗	60 match 1 shared topics	Ihre Berlin-Stars	de	space-and-astronomy	robotsllmsaihumans	emailphone	none
meine-sternwarte-gartensternwarte.com ↗	60 match 1 shared topics	Grundlagen zur Astronomie für Anfänger und Fortgeschrittene	de	space-and-astronomy	robotsllmsaihumans	emailphone	none
space-instruments.com ↗	60 match 1 shared topics	Teleskope und Astronomie Zubehör vom Optik Fachhändler	de	space-and-astronomy WordPress WooCommerce	robotsllmsaihumans	email phone	none
space-instruments.org ↗	60 match 1 shared topics	Teleskope und Astronomie Zubehör vom Optik Fachhändler	de	space-and-astronomy WordPress WooCommerce	robotsllmsaihumans	email phone	none
space-service-intl.com ↗	60 match 1 shared topics	Space Service International: Home	de	space-and-astronomy TYPO3	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.