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Bootprint alternatives & similar sites

Bootprint - Explore the universe — 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
apeirion.space ↗	65 match 2 shared topics	APEIRION — Innovating the Future of Space Exploration	en	space-and-astronomy	robotsllmsaihumans	emailphone	partial · 8
avrtec.space ↗	61 match 2 shared topics	AVRTEC AB — Compact Space Electronics for PocketQube and Small-Satellite Systems	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
rocketbuilder.com ↗	61 match 2 shared topics	RocketBuilder	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
blackswan.ltd ↗	61 match 2 shared topics	Blackswan Space	en	space-and-astronomy WordPress WooCommerce	robotsllmsaihumans	emailphone	none
qsat.ai ↗	61 match 2 shared topics	Home	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
3rdplanetorbital.com ↗	60 match 2 shared topics	Reliable and Trustworthy Building Blocks 🌍 Third Planet Orbital	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
blomspro.site ↗	60 match 2 shared topics	BLOMS	en	space-and-astronomy	robotsllmsaihumans	emailphone	partial · 8
bac.page ↗	60 match 2 shared topics	bac.page – redirecting…	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
miketwo.net ↗	60 match 2 shared topics	Michael Aherne	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
sattracker.com.au ↗	60 match 2 shared topics	Satellite Solutions	Australia en	space-and-astronomy	robotsllmsaihumans	emailphone	none
ctrlaltreset.dev ↗	60 match 2 shared topics	Home \| ctrl+alt+reset	en	space-and-astronomy Prismic	robotsllmsaihumans	emailphone	none
cubesat.org ↗	60 match 2 shared topics	CubeSat	en	space-and-astronomy Squarespace	robotsllmsaihumans	emailphone	none
jeffreybkirk.com ↗	60 match 2 shared topics	Jeffrey Kirk	en	space-and-astronomy WordPress	robots llmsaihumans	emailphone	none
nickymasso.com ↗	60 match 2 shared topics	Nicky Masso	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
questionsoftheuniverse.com ↗	41 match 1 shared topics	Questions Of The Universe	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
newhabitableworld.com ↗	41 match 1 shared topics	Discover New Habitable Worlds - Explore the Universe \| New Habitable Worlds	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
atlasoftheuniverse.com ↗	41 match 1 shared topics	An Atlas of The Universe	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
boundaryoftheuniverse.com ↗	40 match 1 shared topics	Boundary of the Universe	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.