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Sites similar to eres2021.com

Eres2021 alternatives & similar sites

ERES 2021 — 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
aaac.net ↗	64 match 1 shared topics	AAAC 2026	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
aartisunder.com ↗	63 match 1 shared topics	Aarti Sunder	en	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	none
project1ceres.com ↗	63 match 1 shared topics	Project Ceres	en	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	none
0xlex.org ↗	63 match 1 shared topics	Ares Dashboard	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
astroteamceres.ch ↗	63 match 1 shared topics	astroteamceres	Switzerland en	space-and-astronomy	robotsllmsaihumans	emailphone	none
cufos.org ↗	62 match 1 shared topics	Center for UFO Studies -	en	space-and-astronomy WordPress WooCommerce	robotsllmsaihumans	emailphone	none
kc9qq.com ↗	62 match 1 shared topics	KC9QQ \| Adventures in Ham Radio	en	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	none
cy9c.net ↗	61 match 1 shared topics	The 2024 St. Paul Island DXpedition	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
nabinspace.com ↗	61 match 1 shared topics	NAB In Space – Pictures Around You	en	space-and-astronomy WordPress WooCommerce	robotsllmsaihumans	emailphone	none
myufophotos.com ↗	61 match 1 shared topics	UFO pictures from Denmark ~ My UFO Photos	en	space-and-astronomy WordPress WooCommerce	robots llmsaihumans	emailphone	partial · 1
professoruniverse.com ↗	61 match 1 shared topics	Professor Universe \| Duality is On Our Side!	en	space-and-astronomy WordPress WooCommerce	robotsllmsaihumans	emailphone	none
trifidnebula.com ↗	61 match 1 shared topics	Trifid Nebula - Adventures in Amateur Astronomy	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
almostmars.com ↗	61 match 1 shared topics	Almost Mars \| Adventures of a Simulated Astronaut	en	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	none
bryanekman.com ↗	61 match 1 shared topics	Bryan Ekman – All things interesting to me.	en	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	none
rasc.ca ↗	61 match 1 shared topics	RASC \| Inspiring Interest and Knowledge of Astronomy Since 1868	Canada en	space-and-astronomy Drupal	robotsllmsaihumans	emailphone	none
tsulasbigadventures.com ↗	61 match 1 shared topics	Tsula's Big Adventures in Astronomy - Tsula's Big Adventures	en	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	none
mymoonvacation.com ↗	61 match 1 shared topics	How Much Does a Trip to Space Cost in 2026? \| OuterSpaceTrip	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
myouterspacevacation.com ↗	61 match 1 shared topics	How Much Does a Trip to Space Cost in 2026? \| OuterSpaceTrip	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.