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Sites similar to gca.ch

Gca alternatives & similar sites

GCA - Genealogie Computer Archiv — 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 Genealogy And Ancestry →

Domain	Match	Title	Country/Lang	Category	AI files	Contact	AI-protection
brixner.com ↗	69 match 1 shared topics	Brixner Genealogie weltweite forschung von dieter brixner	de	genealogy-and-ancestry	robotsllmsaihumans	emailphone	none
ahnenschatz.at ↗	68 match 1 shared topics	Ahnenschatz \| Genealogie - Ahnenforschung	Austria de	genealogy-and-ancestry	robotsllmsaihumans	email phone	none
abesser.com ↗	68 match 1 shared topics	Start - Genealogia Abeßeriana - Familienforschung Abeßer	de	genealogy-and-ancestry WordPress	robots llmsaihumans	emailphone	none
ahnenforscher-oesterreich.at ↗	66 match 1 shared topics	Ahnenforscher Österreich, Tschechien & Slowakei - Sabine Tautermann Genealogie	Austria de	genealogy-and-ancestry WordPress	robotsllmsaihumans	emailphone	none
zuttermeister.com ↗	66 match 1 shared topics	Zuttermeister Familienforschung - Genealogy Research	de	genealogy-and-ancestry	robotsllmsaihumans	emailphone	none
brigittejahnke.com ↗	66 match 1 shared topics	Brigitte Jahnke, M.A. – Historikerin, Genealogin und Archivarin	de	genealogy-and-ancestry WordPress	robotsllmsaihumans	emailphone	none
fluehler-nw.ch ↗	66 match 1 shared topics	Familienname Flühler – Geschichte und Genealogie - Familienname Flühler (Nidwalden)	Switzerland de	genealogy-and-ancestry	robotsllmsaihumans	emailphone	none
vandersloten.be ↗	65 match 1 shared topics	Genealogie: familie Vandersloten-Pannekoek	Belgium de	genealogy-and-ancestry	robotsllmsaihumans	emailphone	none
ahnenforschung-oesterreich.at ↗	63 match 1 shared topics	Willkommen Ahnenforschung Österreich - Ahnenforschung-Österreich Gewi-Genealogie - St. Johann in Tirol	Austria de	genealogy-and-ancestry	robotsllmsaihumans	emailphone	none
kaack.org ↗	63 match 1 shared topics	Übersicht - Familiengeschichte Kaack	de	genealogy-and-ancestry	robotsllmsaihumans	emailphone	none
tummoscheit.com ↗	62 match 1 shared topics	Familie Tummoscheit – Sammlung familienhistorischer Daten, Fakten & Dokumente für die Familien Tummoscheit, Spangenberg, Differt, Dette und Ritzenhoff.	de	genealogy-and-ancestry WordPress	robotsllmsaihumans	emailphone	none
pro-hereditas.com ↗	62 match 1 shared topics	Home - Pro Hereditas S.à r.l.	de	genealogy-and-ancestry WordPress WooCommerce	robotsllmsaihumans	emailphone	none
ammann-von-wittenwil.ch ↗	62 match 1 shared topics	Ammann von Wittenwil	Switzerland de	genealogy-and-ancestry	robotsllmsaihumans	emailphone	none
decurtins.com ↗	61 match 1 shared topics	Familie Decurtins	de	genealogy-and-ancestry	robotsllmsaihumans	emailphone	partial · 14
deboor.org ↗	61 match 1 shared topics	Familien-Nachrichten über die Familie de Boor	de	genealogy-and-ancestry	robotsllmsaihumans	emailphone	none
countvonreutern.uk ↗	61 match 1 shared topics	Office of H.S.H. The Prince von Münnich und Reutern	United Kingdom de	genealogy-and-ancestry Tumblr	robotsllmsaihumans	emailphone	partial · 11
breuclan.com ↗	61 match 1 shared topics	Breu Clan – Infos Breu Familien	de	genealogy-and-ancestry WordPress	robotsllmsaihumans	emailphone	none
dehmel.com ↗	61 match 1 shared topics	Familie Dehmel · Köln	de	genealogy-and-ancestry	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.