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Api Star alternatives & similar sites

Observatorium Wildberg — 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
bodenseeplanetarium.ch ↗	63 match 1 shared topics	Bodensee Planetarium - Startseite	Switzerland de	space-and-astronomy	robotsllmsaihumans	emailphone	none
nelkenbrecher.net ↗	61 match 1 shared topics	Herzlich willkommen ...	de	space-and-astronomy Joomla	robotsllmsaihumans	email phone	none
hps-gmbh.com ↗	61 match 1 shared topics	HPS GmbH – The team to trust \| Raumfahrttechnik HPS GmbH – The Team to Trust	de	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	none
astronomik.com ↗	61 match 1 shared topics	Astronomik	de	space-and-astronomy Shopware	robotsllmsaihumans	emailphone	none
igaap-de.org ↗	61 match 1 shared topics	UFO-Phänomen-Forschung - IGAAP e.V. / Illobrand von Ludwiger	de	space-and-astronomy Jimdo	robotsllmsaihumans	emailphone	none
iwabo-pelletbrenner.de ↗	61 match 1 shared topics	Notes on Constellations — Iwabo-pelletbrenner	Germany de	space-and-astronomy	robotsllmsaihumans	emailphone	none
wbergt.com ↗	61 match 1 shared topics	Wolfgang Bergt - Wissenschaft, Bildung, Politik, Kunst und Kultur im Internet	de	space-and-astronomy	robotsllmsaihumans	emailphone	none
ig-ufoplus.net ↗	61 match 1 shared topics	IG UfoPlus \| Willkommen auf unserer Homepage !	de	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	none
abenteuer-universum.de ↗	61 match 1 shared topics	Abenteuer Universum - Gravitation herrscht über Sterne, Galaxien und All	Germany de	space-and-astronomy	robotsllmsaihumans	emailphone	none
adastra-bautzen.de ↗	61 match 1 shared topics	Sternwarte Bautzen - Schulsternwarte 'Johannes Franz' Bautzen: AD ASTRA Bautzen	Germany de	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	none
abenteuerkuppel.de ↗	61 match 1 shared topics	Abenteuer in der Kuppel – Multivision im Planetarium.	Germany de	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	none
adler-focus.de ↗	61 match 1 shared topics	Adler Focus - Premium Ferngläser & Teleskope für jedes Abenteuer	Germany de	space-and-astronomy Shopify	robots llmsaihumans	emailphone	none
j-giesen.de ↗	61 match 1 shared topics	Physik und Astronomie: Applets, Materialien	Germany de	space-and-astronomy	robotsllmsaihumans	emailphone	none
jgiesen.de ↗	61 match 1 shared topics	Physik und Astronomie: Applets, Materialien	Germany de	space-and-astronomy	robotsllmsaihumans	emailphone	none
jgr-apolda.de ↗	61 match 1 shared topics	Der Meteoritenjäger von Apolda	Germany de	space-and-astronomy	robotsllmsaihumans	emailphone	none
astro-link.com ↗	61 match 1 shared topics	AstroLink.de / Planetenkunde.de / Shuttlelink.de	de	space-and-astronomy	robotsllmsaihumans	emailphone	none
astro-tour.com ↗	61 match 1 shared topics	AstroLink.de / Planetenkunde.de / Shuttlelink.de	de	space-and-astronomy	robotsllmsaihumans	emailphone	none
ag-astronomie.de ↗	60 match 1 shared topics	AG Astronomie - Home	Germany de	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.