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Alienvisitors alternatives & similar sites

Alien Visitors — 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
alienvisitors.org ↗	100 match 1 shared topics	Alien Visitors	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
aliendocs.org ↗	68 match 1 shared topics	Alien Docs	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
alienorigin.io ↗	66 match 1 shared topics	Alien Origin Home	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
etherealien.com ↗	66 match 1 shared topics	Etheralien	en	space-and-astronomy WordPress	robots llmsaihumans	emailphone	none
alienbill.net ↗	65 match 1 shared topics	Alien Bill UK – Cosmic	en	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	none
alienmanagementsystem.com ↗	64 match 1 shared topics	Aliens and Stars	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
kennedyspacecenter.co ↗	64 match 1 shared topics	Plan Your Visit - Kennedy Space Center Visitor Complex	Colombia en	space-and-astronomy	robotsllmsaihumans	emailphone	none
etspecies.com ↗	63 match 1 shared topics	ETSpecies - Real Aliens and E.Ts \| Alien book	en	space-and-astronomy Wix Wix Stores	robots llmsaihumans	emailphone	none
etletstalk.com ↗	63 match 1 shared topics	ETLetsTalk	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
etcommgroup.com ↗	62 match 1 shared topics	Welcome to The Extraterrestrial Communication Group	en	space-and-astronomy WordPress WooCommerce	robotsllmsaihumans	emailphone	none
otherworlders.com ↗	62 match 1 shared topics	Other Worlders - UFO Sightings, Aliens, Ancient Alien Theory	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
alien-ufo-pictures.com ↗	62 match 1 shared topics	Alien Pictures, Ufo pictures, Ufo Videos, alien sightings	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
alienconspiracytheories.com ↗	62 match 1 shared topics	Welcome to AlienConspiracyTheories.com	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
etcorner.com ↗	62 match 1 shared topics	ET Corner \| Extraterrestrials	en	space-and-astronomy Wix	robots llmsaihumans	emailphone	none
etishere.com ↗	62 match 1 shared topics	ET IS Here - On and under the Earth and in the water bodies of the world	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
alienfiles.net ↗	62 match 1 shared topics	AlienFiles.net // Alpha — Just the Facts	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
hilalguide.com ↗	62 match 1 shared topics	Moon Sighting - Hilal Visibility Predictions	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
alaskaalienadventures.com ↗	62 match 1 shared topics	AlaskaAlienAdventures.com – The TRUTH is HERE!	en	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.