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WH Chartbook — Premium Nautical Charts & Cruising Guides | Chesapeake Bay | WH Chartbook — 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 Sailing →

Domain	Match	Title	Country/Lang	Category	AI files	Contact	AI-protection
frugalnavigator.net ↗	70 match 1 shared topics	NOAA Nautical Charts for Sailors & Cruisers \| Frugal Navigator	en	sailing Shopify	robots llmsaihumans	emailphone	none
frugalnavigator.org ↗	70 match 1 shared topics	NOAA Nautical Charts for Sailors & Cruisers \| Frugal Navigator	en	sailing Shopify	robots llmsaihumans	emailphone	none
bestboatingannapolis.com ↗	68 match 1 shared topics	Annapolis Boating Services \| Shane Kilberg \| Chesapeake Bay	United States~ en	sailing	robotsllmsaihumans	email phone	partial · 8
amnautical.com ↗	68 match 1 shared topics	Buy Marine Navigational Charts, Nautical Maps, Sailing Charts - Amnautical	en	sailing Shopify	robotsllmsaihumans	emailphone	none
nc3sailing.org ↗	67 match 1 shared topics	Sailing, Learning & Safety - Northern Chesapeake Cruising Club	en	sailing WordPress	robotsllmsaihumans	emailphone	none
stmbpodcast.com ↗	66 match 1 shared topics	splice the main brace – Sailing stories from the Chesapeake Bay and beyond	en	sailing WordPress	robotsllmsaihumans	emailphone	none
a5-mkts.asia ↗	66 match 1 shared topics	Boz Yachting \| Premium Yacht Sales & Charter	en	sailing	robotsllmsaihumans	email phone	none
navoa.net ↗	66 match 1 shared topics	Navoa — Coastal Cruising Tracking System	en	sailing	robotsllmsaihumans	emailphone	none
nautical-club.net ↗	66 match 1 shared topics	Nautical Sailboats Heritage and Ownership Guide	en	sailing	robotsllmsaihumans	emailphone	none
marinersguide.info ↗	65 match 1 shared topics	Mariner's Guide to Nautical Information - Home	en	sailing Weebly	robotsllmsaihumans	emailphone	none
nauticalyachtwrap.com ↗	65 match 1 shared topics	Nautical Yacht Wraps \| Premium Yacht & Boat Wraps Nationwide	en	sailing	robots llmsaihumans	emailphone	none
1yachtua.com ↗	65 match 1 shared topics	All-Round Sailing Site since 1999. Yachting, sailing, cruising, marinas and ports information. Caribbean, Mediterranean. Navigation software, digital charts	en	sailing	robotsllmsaihumans	emailphone	none
gardayachtclub.com ↗	65 match 1 shared topics	Garda Yacht Club — Premium Sailing Experiences on Lake Garda	en	sailing	robotsllmsaihumans	emailphone	none
24nautigear.com ↗	65 match 1 shared topics	Premium Nautical Tools for Pro Sailors - www.24nautigear.com	en	sailing WordPress WooCommerce	robotsllmsaihumans	emailphone	none
bellboatservices.com ↗	65 match 1 shared topics	Bell Boat Services \| Premium Boat Cleaning Gold Coast & Brisbane	Australia~ en	sailing	robotsllmsaihumans	emailphone	none
nautilusyachtmanagement.com ↗	65 match 1 shared topics	Nautilus Yacht Management - Cruising Yacht Specialists	en	sailing WordPress	robotsllmsaihumans	emailphone	none
abovethewaterlinedetailing.com ↗	65 match 1 shared topics	Above the Waterline — Premium Boat Detailing · Fort Pierce, FL	en	sailing	robotsllmsaihumans	emailphone	none
nauticalflags.org ↗	64 match 1 shared topics	Nautical Flags - Nauticalflags.org	en	sailing 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.