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Mozilla Japan コミュニティポータル — 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 Browsers →

Domain	Match	Title	Country/Lang	Category	AI files	Contact	AI-protection
tunecore.co.jp ↗	30 match shared topic	TuneCore Japan - あなたの音楽でセカイを紡ぐ	Japan ja	music	robotsllmsaihumans	emailphone	none
qoo10.jp ↗	30 match shared topic	Qoo10 - ネット通販｜eBay Japan	Japan ja	shopping	robotsllmsaihumans	emailphone	none
universal-music.co.jp ↗	30 match shared topic	ユニバーサルミュージックジャパン公式サイト - UNIVERSAL MUSIC JAPAN	Japan ja	music WordPress	robotsllmsaihumans	emailphone	none
forbesjapan.com ↗	30 match shared topic	Forbes JAPAN 公式サイト（フォーブスジャパン）	ja	business	robotsllmsaihumans	emailphone	none
jr-central.co.jp ↗	30 match shared topic	ＪＲ東海 Central Japan Railway Company	Japan ja	rail-travel	robotsllmsaihumans	emailphone	none
fishingjapan.jp ↗	30 match shared topic	釣り情報＆釣りニュースサイト「FISHING JAPAN（フィッシングジャパン）」	Japan ja	fishing-sports	robotsllmsaihumans	emailphone	none
westjr.co.jp ↗	30 match shared topic	JR西日本 West Japan Railway Company：トップページ	Japan ja	rail-travel	robotsllmsaihumans	emailphone	none
ballet-gala-concert.com ↗	30 match shared topic	ホーム - みんなのバレエガラコンサート / The Ballet Gala Concert with Everyone in Japan	ja	dance Jimdo	robotsllmsaihumans	emailphone	none
studiomarty-balletschool.com ↗	30 match shared topic	ホーム - スタジオマーティ・バレエスクール / 東京・大阪・神奈川・横浜・神戸・芦屋・川崎・福岡の子供バレエ教室 / Marty Ballet School Japan	ja	dance Jimdo	robotsllmsaihumans	emailphone	none
ballet-paspo.com ↗	30 match shared topic	ホーム - バレエパスポ Ballet Paspo / バレエ留学・オーディション・就職エージェント・相談・サポート / Japan Ballet & Dance Study Abroad Agency & Portal site	ja	dance Jimdo	robotsllmsaihumans	emailphone	none
cdjapan.co.jp ↗	30 match shared topic	CDJapan : Japanese Anime, Jpop, Japanese music, Game music, Japanese movie, CD, DVD	Japan ja	animation-and-anime	robotsllmsaihumans	emailphone	none
otona-ballet-competition.com ↗	30 match shared topic	ホーム - 大人のバレエコンクール / マーティ Otona-Ballet-Competition / Concours in Japan	ja	dance Jimdo	robotsllmsaihumans	emailphone	none
businessinsider.jp ↗	30 match shared topic	Business Insider Japan \| 経済・ビジネス・テクノロジーの最新ニュース	Japan ja	business	robotsllmsaihumans	emailphone	none
ceva-japan.jp ↗	30 match shared topic	CEVA Japan	Japan ja	veterinary-medicine	robotsllmsaihumans	emailphone	none
capcom.co.jp ↗	30 match shared topic	株式会社カプコン：CAPCOM WORLD JAPAN	Japan ja	video-gaming	robotsllmsaihumans	emailphone	none
raysearchlabs.jp ↗	30 match shared topic	ホーム \| RaySearch Laboratories Japan	Japan ja	cancer	robotsllmsaihumans	emailphone	none
100eiga.info ↗	30 match shared topic	100Eiga.info \| Japanese Movie 100	ja	movies WordPress	robotsllmsaihumans	emailphone	none
playtruejapan.org ↗	30 match shared topic	日本アンチ・ドーピング機構 \| Japan Anti-Doping Agency (JADA)	ja	medical-tests	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.