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Theuapobserver alternatives & similar sites

The UAP Observer — 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
dppobservatory.net ↗	70 match 1 shared topics	DPP Observatory	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
jbobservatory.com ↗	68 match 1 shared topics	JB Observatory	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
mcdonaldobservatory.com ↗	67 match 1 shared topics	The McDonald Observatory	United States~ en	space-and-astronomy WordPress	robotsllmsaihumans	email phone	none
mcdonaldobservatory.org ↗	67 match 1 shared topics	The McDonald Observatory	United States~ en	space-and-astronomy WordPress	robotsllmsaihumans	email phone	none
adelaideobservatory.org ↗	67 match 1 shared topics	The Adelaide Observatory	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
cscaobs.org ↗	67 match 1 shared topics	Home - Marmot Observatory	en	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	none
dirn-observatory.com ↗	66 match 1 shared topics	Home - DIRN Observatory EN	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
ovnisearch.com ↗	66 match 1 shared topics	OVNISEARCH.COM - World's Most Comprehensive UAP Database & Search Portal	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
mccarthyobservatory.org ↗	65 match 1 shared topics	John J. McCarthy Observatory	United States~ en	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	none
thgnetworks.com ↗	65 match 1 shared topics	THG Networks — Messier Marathon Observer's Log	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
jacquelinecorsar.com ↗	65 match 1 shared topics	BallaterSkies Observatory Home	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
theufochronicles.com ↗	65 match 1 shared topics	THE UFO CHRONICLES	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
janet51.com ↗	65 match 1 shared topics	Janet51 \| UFO & UAP Investigation Community	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
silvercreekobservatory.net ↗	64 match 1 shared topics	Silver Creek Observatory Home Page	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
5observables.com ↗	64 match 1 shared topics	What are the Five Observables? \| Five Observables	en	space-and-astronomy Prismic	robotsllmsaihumans	emailphone	none
silverspringastro.com ↗	64 match 1 shared topics	Silver Spring Observatory \| CCD Astro-Imaging	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
wayofthealien.com ↗	64 match 1 shared topics	Way Of The Alien – Myk, an alien observer offering perspective on humanity	en	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	none
theufoplanet.com ↗	64 match 1 shared topics	The UFO Planet - Radar UFO Map	en	space-and-astronomy WordPress WooCommerce	robots llmsaihumans	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.