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Blog | 4dt.de — 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 Historic Site And Landmark Tours →

Domain	Match	Title	Country/Lang	Category	AI files	Contact	AI-protection
tuermerverein.com ↗	61 match 1 shared topics	Freunde des Oberen Tores Münnerstadt - Startseite	de	historic-site-and-landmark-tours	robotsllmsaihumans	emailphone	none
palafittes.at ↗	61 match 1 shared topics	Startseite \| UNESCO Welterbe Prähistorische Pfahlbauten	Austria de	historic-site-and-landmark-tours Drupal	robotsllmsaihumans	emailphone	none
pfahlbauten.at ↗	61 match 1 shared topics	Startseite \| UNESCO Welterbe Prähistorische Pfahlbauten	Austria de	historic-site-and-landmark-tours Drupal	robotsllmsaihumans	emailphone	none
blaues-wunder.info ↗	60 match 1 shared topics	Das Blaue Wunder \| Die berühmte Loschwitzer Brücke in Dresden	de	historic-site-and-landmark-tours	robotsllmsaihumans	emailphone	none
bunker-hamburg.info ↗	60 match 1 shared topics	Bunker St. Pauli \| Grüner Bunker in der Feldstraße Hamburg	de	historic-site-and-landmark-tours WordPress	robotsllmsaihumans	emailphone	none
burg-friedberg.info ↗	60 match 1 shared topics	Burg Friedberg (Hessen), Adolfsturm, Burgkirche, Burggarten - Aktuelles	de	historic-site-and-landmark-tours	robotsllmsaihumans	emailphone	none
burg-guessing.info ↗	60 match 1 shared topics	Burg Güssing	de	historic-site-and-landmark-tours WordPress WooCommerce	robotsllmsaihumans	emailphone	none
burg-meersburg.info ↗	60 match 1 shared topics	Burg Meersburg – die Burg am Bodensee	de	historic-site-and-landmark-tours WordPress	robotsllmsaihumans	emailphone	none
burg-meersburg.mobi ↗	60 match 1 shared topics	Burg Meersburg – die Burg am Bodensee	de	historic-site-and-landmark-tours WordPress	robotsllmsaihumans	emailphone	none
burg-neulengbach.info ↗	60 match 1 shared topics	Burg Neulengbach	de	historic-site-and-landmark-tours	robotsllmsaihumans	emailphone	none
burg-saaleck.info ↗	60 match 1 shared topics	Die Burg Saaleck im Wandel der Zeit.	de	historic-site-and-landmark-tours	robotsllmsaihumans	emailphone	none
burgenverein.info ↗	60 match 1 shared topics	Vereinsgründung am 19.09.17 – Manderscheider Burgen	de	historic-site-and-landmark-tours WordPress WooCommerce	robotsllmsaihumans	emailphone	none
burgguessing.info ↗	60 match 1 shared topics	Burg Güssing	de	historic-site-and-landmark-tours WordPress WooCommerce	robotsllmsaihumans	emailphone	none
burgmeersburg.info ↗	60 match 1 shared topics	Burg Meersburg – die Burg am Bodensee	de	historic-site-and-landmark-tours WordPress	robotsllmsaihumans	emailphone	none
burgwache.info ↗	60 match 1 shared topics	Burg Meersburg – die Burg am Bodensee	de	historic-site-and-landmark-tours WordPress	robotsllmsaihumans	emailphone	none
busrundfahrt.wien ↗	60 match 1 shared topics	Busrundfahrt Wien: Sightseeing Rundfahrt im Bus	de	historic-site-and-landmark-tours	robotsllmsaihumans	emailphone	none
carcassonneguide.city ↗	60 match 1 shared topics	Carcassonne Reiseführer 2026 - Entdecken Sie das Mittelalter	de	historic-site-and-landmark-tours WordPress WooCommerce	robotsllmsaihumans	emailphone	none
castlewelt.tv ↗	60 match 1 shared topics	ERLEBNIS-PORTAL - Historisches Deutschland - CASTLEWELT	de	historic-site-and-landmark-tours TYPO3	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.