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Blastzone alternatives & similar sites

High Power Rocketry in the Blast Zone — 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
cornellrocketryteam.com ↗	67 match 1 shared topics	Cornell Rocketry Team	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
abengineercom-rocketry-company.org ↗	66 match 1 shared topics	abengineercom rocketry company	United States~ en	space-and-astronomy	robotsllmsaihumans	email phone	none
blacktrianglewatchuk.com ↗	65 match 1 shared topics	Explore Black Triangle UAP & UFO Sightings in the UK	en	space-and-astronomy Weebly	robotsllmsaihumans	emailphone	none
landingrockets.com ↗	64 match 1 shared topics	David Masten \| Rocket Landing Consulting	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
blackholepictures.com ↗	64 match 1 shared topics	Black Hole Pictures	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
3iatlasapp.com ↗	63 match 1 shared topics	3i Atlas: UAP News, NASA Alerts & Live Rocket Launch Tracker	en	space-and-astronomy	robots llmsaihumans	emailphone	none
onlysenku.com ↗	63 match 1 shared topics	论坛 - Powered by Discuz!	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
tothemoonsocial.com ↗	62 match 1 shared topics	To The Moon	en	space-and-astronomy Squarespace Magento	robotsllmsaihumans	emailphone	none
3iatlas.life ↗	62 match 1 shared topics	ATLAS Flyby — Aliens or Stupid Rock?	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
ehp.be ↗	62 match 1 shared topics	EHP - Leader in Space Thermal Control	Belgium en	space-and-astronomy WordPress WooCommerce	robotsllmsaihumans	emailphone	none
inconstantmoon.com ↗	62 match 1 shared topics	Inconstant Moon: multimedia tours of the lunar surface	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
springcountdown.com ↗	62 match 1 shared topics	Spring Countdown - The Days Are Getting Longer	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
atlasoftheuniverse.com ↗	62 match 1 shared topics	An Atlas of The Universe	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
theverifiedreport.com ↗	62 match 1 shared topics	Home \| The Verified Report	en	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	none
4search.space ↗	62 match 1 shared topics	4search.SPACE -- Search the Universe of Space Resources	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
tothemoonproject.com ↗	62 match 1 shared topics	To The Moon Project – Stand our from the crowd!	en	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	none
1norton.com ↗	62 match 1 shared topics	Chuck Norton – Citizen of the World	en	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	none
a-team.space ↗	61 match 1 shared topics	Home	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.