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The Fall of Atlantis — 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 Opera →

Domain	Match	Title	Country/Lang	Category	AI files	Contact	AI-protection
24theopera.com ↗	63 match 1 shared topics	Twenty-Four: The Opera. A new 2-act opera/pastiche featuring all of the 24 Italian songs & Arias.	en	opera Wix	robots llmsaihumans	emailphone	none
joanofarcopera.com ↗	62 match 1 shared topics	Joan of Arc, an Opera in Three Acts	en	opera	robotsllmsaihumans	emailphone	none
3thousandrivers.com ↗	62 match 1 shared topics	3 thousand Rivers – voices in the forest	en	opera WordPress WooCommerce	robotsllmsaihumans	emailphone	none
fantineoftheopera.com ↗	61 match 1 shared topics	Fantine Douilly - Soprano \|	en	opera WordPress WooCommerce	robotsllmsaihumans	emailphone	none
ablessingonthemoon.com ↗	61 match 1 shared topics	A Blessing on the Moon: Part 1 Color of Poison Berries opens February 2012	US~ en	opera	robotsllmsaihumans	emailphone	none
hannahpold.com ↗	61 match 1 shared topics	Hannah Agnethe Pold – Sopran	en	opera WordPress	robotsllmsaihumans	emailphone	none
endangeredproductions.org.au ↗	61 match 1 shared topics	Home - music theatre across the ages	AU en	opera WordPress	robotsllmsaihumans	emailphone	none
acoupleofoldcartes.com ↗	61 match 1 shared topics	A Couple of Old Cartes \| songs and stories – celebrating life in the classic D'Oyly Carte	en	opera WordPress	robotsllmsaihumans	emailphone	none
draculatheclassicalmusical.com ↗	61 match 1 shared topics	Dracula The Classical Musical by Cecile Rouzay	en	opera	robotsllmsaihumans	emailphone	none
pirshina.com ↗	61 match 1 shared topics	Explore the Incredible Talent of Evgenia Pirshina (Evgenia Koroleva) \| evgenia pirshina info evgenia koroleva mezzo soprano	en	opera	robotsllmsaihumans	emailphone	none
nanseehughes.com ↗	60 match 1 shared topics	Nansee Hughes - Official Website of Nansee Hughes, Dramatic Coloratura Soprano	en	opera Weebly	robotsllmsaihumans	emailphone	none
crystalamendola.com ↗	60 match 1 shared topics	Crystal Amendola Lyric Soprano	en	opera	robotsllmsaihumans	emailphone	none
ctlyricopera.org ↗	60 match 1 shared topics	Connecticut Lyric Opera – Connecticut's Premier Opera Company	en	opera WordPress	robotsllmsaihumans	emailphone	none
curvyconfidentcarmina.com ↗	60 match 1 shared topics	Home \| Curvy Confident Carmina	en	opera Wix	robots llmsaihumans	emailphone	none
delphicforge.org ↗	60 match 1 shared topics	About - Delphic Forge	en	opera Joomla	robotsllmsaihumans	emailphone	none
abileneopera.org ↗	60 match 1 shared topics	Home	US~ en	opera Weebly	robotsllmsaihumans	emailphone	none
bangupopera.org ↗	60 match 1 shared topics	Bang-up! Opera \| Troupe	en	opera WordPress	robotsllmsaihumans	emailphone	none
barbarahaveman.net ↗	60 match 1 shared topics	Barbara Haveman	en	opera WordPress WooCommerce	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.