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Astroexcel alternatives & similar sites

Astroexcel Astronomie Planetarium — 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
meine-sternwarte-gartensternwarte.com ↗	66 match 1 shared topics	Grundlagen zur Astronomie für Anfänger und Fortgeschrittene	de	space-and-astronomy	robotsllmsaihumans	emailphone	none
dsi-astronomie.de ↗	66 match 1 shared topics	Astrolexikon — Astrolexikon	Germany de	space-and-astronomy	robotsllmsaihumans	emailphone	none
dslr-astrofotografie.de ↗	66 match 1 shared topics	astro-shop	Germany de	space-and-astronomy X-Cart	robotsllmsaihumans	emailphone	none
blackroom-markets.com ↗	66 match 1 shared topics	Stargaze – Space, Astronomy and Observatory WordPress Theme	de	space-and-astronomy WordPress WooCommerce	robotsllmsaihumans	emailphone	none
ra-dec.de ↗	64 match 1 shared topics	Astronomie: Den Kosmos ganz nah erleben - Ra-dec.de	Germany de	space-and-astronomy	robotsllmsaihumans	emailphone	none
questionoftheday.de ↗	64 match 1 shared topics	ASTONISHED ASTRONAUTS	Germany de	space-and-astronomy	robotsllmsaihumans	emailphone	none
ad-astra.blog ↗	64 match 1 shared topics	ad astra - the tiny home for my astrophotos	de	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	none
aguz.ch ↗	64 match 1 shared topics	Astronomische Gesellschaft Urania Zürich (AGUZ):Home	Switzerland de	space-and-astronomy	robotsllmsaihumans	emailphone	none
agzo-astronomie.ch ↗	64 match 1 shared topics	Astronomische Gesellschaft Zürcher Oberland - Startseite	Switzerland de	space-and-astronomy	robotsllmsaihumans	emailphone	none
aperonauten.ch ↗	64 match 1 shared topics	Apéronauten - Gescheiterte Astronauten aus Olten	Switzerland de	space-and-astronomy	robotsllmsaihumans	emailphone	none
aoasky.ch ↗	63 match 1 shared topics	Astro Optik GmbH	Switzerland de	space-and-astronomy	robotsllmsaihumans	emailphone	none
echo-lot.de ↗	63 match 1 shared topics	AstroKlee	Germany de	space-and-astronomy	robotsllmsaihumans	emailphone	none
radioastro.de ↗	63 match 1 shared topics	RadioAstro - Der Anfang - RadioAstro - der Versuch	Germany de	space-and-astronomy Jimdo	robotsllmsaihumans	emailphone	none
optik-online.com ↗	62 match 1 shared topics	Optik-Online \| Mikroskop Reparatur Mikroskopreparatur Gebrauchte Mikroskope Zeiss-Jena Leitz Leica Antikes Mikroskop Messingmikroskop Zeiss Astronomisches Fernrohr Microscope Zeiss Leitz Olympus Leica Amplival Ergaval Laboval Mikroskopankauf gebrauchte Mikroskope Orthoplan Ortholux Phomi Fluoval Ver	de	space-and-astronomy	robotsllmsaihumans	emailphone	none
mein-vogelsberg.com ↗	62 match 1 shared topics	Die Gnümies. Willkommen in der Welt der Gnümies: Planet Gnüm	de	space-and-astronomy WordPress WooCommerce	robotsllmsaihumans	emailphone	none
ajug.ch ↗	62 match 1 shared topics	AJUG \| Astrogruppe Jurasternwarte Grenchen	Switzerland de	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	none
aot-arosa.ch ↗	62 match 1 shared topics	Willkommen - Astrophysikalisches Observatorium Tschuggen - AOT	Switzerland de	space-and-astronomy	robotsllmsaihumans	emailphone	none
3words-share.com ↗	62 match 1 shared topics	Nikolai von Krusenstiern \| An Astrophysicist in Space Operations	de	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.