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ZIRCULA – nachhaltige und zirkuläre Wirtschafts- und Lebensweisen — 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 Environment →

Domain	Match	Title	Country/Lang	Category	AI files	Contact	AI-protection
christian-weigand.com ↗	65 match 2 shared topics	Speaker und Moderator für Nachhaltigkeit und Meere	de	environment WordPress	robotsllmsaihumans	email phone	none
cleaner-production.net ↗	64 match 2 shared topics	Nachhaltige Produktion \| Umweltbundesamt	de	environment Drupal	robotsllmsaihumans	emailphone	none
cleaner-production.org ↗	64 match 2 shared topics	Nachhaltige Produktion \| Umweltbundesamt	de	environment Drupal	robotsllmsaihumans	emailphone	none
cleaner-production.de ↗	64 match 2 shared topics	Nachhaltige Produktion \| Umweltbundesamt	Germany de	environment Drupal	robotsllmsaihumans	emailphone	none
cleanerproduction.de ↗	64 match 2 shared topics	Nachhaltige Produktion \| Umweltbundesamt	Germany de	environment Drupal	robotsllmsaihumans	emailphone	none
mindcrafthing.com ↗	64 match 2 shared topics	mindcrafthing – tradition x technologie x nachhaltigkeit	de	environment WordPress WooCommerce	robotsllmsaihumans	emailphone	none
clevernachhaltig.de ↗	64 match 2 shared topics	clevernachhaltig – die Seite für alle Rebellen der Nachhaltigkeit	Germany de	environment WordPress	robotsllmsaihumans	emailphone	none
hiicce.info ↗	62 match 2 shared topics	HiiCCE – Shaping the circular economy: HiiCCE	de	environment TYPO3	robotsllmsaihumans	emailphone	none
clean-biogas.de ↗	61 match 2 shared topics	Forschungsprojekt CLEAN – Energiegewinnung durch die anaerobe Behandlung organischer Reststoffe an Bord von Kreuzfahrtschiffen	Germany de	environment WordPress	robotsllmsaihumans	emailphone	none
agrokarbo.info ↗	61 match 2 shared topics	Agrokarbo.info – Biokohle, Pflanzenkohle, Holzessig, Mokusaku	de	environment WordPress	robotsllmsaihumans	emailphone	none
c-lab-oberhausen.de ↗	60 match 2 shared topics	c.lab KREATIVLABOR Oberhausen	Germany de	environment WordPress	robotsllmsaihumans	emailphone	none
clab-oberhausen.de ↗	60 match 2 shared topics	c.lab KREATIVLABOR Oberhausen	Germany de	environment WordPress	robotsllmsaihumans	emailphone	none
a-region.org ↗	60 match 2 shared topics	SWAN technologies	de	environment WordPress	robotsllmsaihumans	emailphone	none
circular-success.com ↗	60 match 2 shared topics	Green Success mit dem European Green Deal - Green Care Professional	de	environment Joomla	robotsllmsaihumans	emailphone	none
agroprotect.com ↗	60 match 2 shared topics	AgroProtect GmbH - Startseite	de	environment	robotsllmsaihumans	emailphone	none
changeit.app ↗	60 match 2 shared topics	Changeit - Climate Change	de	environment	robotsllmsaihumans	emailphone	none
future-technology-institute.com ↗	60 match 2 shared topics	Future Technology Institute — Home	de	environment	robotsllmsaihumans	emailphone	none
futurecityalliance.com ↗	60 match 2 shared topics	Future City Alliance	de	environment 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.