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ontach.com - The Best Heart Rate Monitor Chest Straps — 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 Board Games And Puzzles →

Domain	Match	Title	Country/Lang	Category	AI files	Contact	AI-protection
cumnfromtheheart.com ↗	66 match 1 shared topics	Cum'n From The Heart – Cum'n From The Heart	en	board-games-and-puzzles Shopify	robots llmsaihumans	emailphone	none
1earthgame.com ↗	64 match 1 shared topics	One Earth - The Board Game	en	board-games-and-puzzles Wix	robots llmsaihumans	emailphone	none
thehearthosaka.com ↗	64 match 1 shared topics	The Hearth Board Game Cafe and Bar, Osaka - The Hearth Osaka	en	board-games-and-puzzles Weebly	robotsllmsaihumans	emailphone	none
2xsuperchess.com ↗	64 match 1 shared topics	2X Super Chess \| The Realm Expands	en	board-games-and-puzzles	robotsllmsaihumans	emailphone	none
chessvibes.com ↗	64 match 1 shared topics	Chess.com - Play Chess Online - Free Games	en	board-games-and-puzzles	robotsllmsaihumans	emailphone	none
365chessacademy.com ↗	64 match 1 shared topics	Killer Chess Training	en	board-games-and-puzzles WordPress WooCommerce	robotsllmsaihumans	emailphone	none
1000gm.app ↗	64 match 1 shared topics	1000GM - Parent Orchestrated Learning System For Chess	en	board-games-and-puzzles	robotsllmsaihumans	emailphone	none
1000gm.org ↗	64 match 1 shared topics	1000GM - Parent Orchestrated Learning System For Chess	en	board-games-and-puzzles	robotsllmsaihumans	emailphone	none
rollthedicegames.com ↗	64 match 1 shared topics	rollthedicegames.com - Roll the Dice Games	en	board-games-and-puzzles WordPress	robotsllmsaihumans	emailphone	none
mccreadyandchess.com ↗	64 match 1 shared topics	McCreadyandChess \| Some thoughts on the beautiful game.	en	board-games-and-puzzles WordPress	robotsllmsaihumans	emailphone	none
chessvideos.tv ↗	64 match 1 shared topics	Chess Videos TV - The Largest Chess Video Site on the Web!	en	board-games-and-puzzles	robotsllmsaihumans	emailphone	none
allchess.com ↗	64 match 1 shared topics	AllChess.com - Build and Play Chess Online - Free	en	board-games-and-puzzles	robotsllmsaihumans	emailphone	none
thegamesteward.com ↗	64 match 1 shared topics	The Best Place to Buy Kickstarter Board Games	en	board-games-and-puzzles Shopify	robots llmsaihumans	emailphone	none
rookingwin.com ↗	63 match 1 shared topics	rooking \| Rooking: Discover the Thrill of Chess and Other Strategic Board Games	en	board-games-and-puzzles	robotsllmsaihumans	emailphone	none
cardhaus.com ↗	63 match 1 shared topics	Cardhaus \| Best Board Games \| CCGs	en	board-games-and-puzzles BigCommerce	robotsllmsaihumans	emailphone	none
cardwarz.com ↗	63 match 1 shared topics	Expanchess \| Chess Expansion \| The Next Evolution of Chess	en	board-games-and-puzzles	robotsllmsaihumans	emailphone	none
baronofdice.com ↗	63 match 1 shared topics	Baron of Dice \| The Mini Gamer's Best Friend \| Premium Resin Dice	en	board-games-and-puzzles Shopify	robots llmsaihumans	emailphone	none
cnxchess.com ↗	63 match 1 shared topics	CNX Chess – The Home for Chess in Chiang Mai	en	board-games-and-puzzles 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.