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DEV02 | 次は、何をつくろう。 — 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 Programming Languages →

Domain	Match	Title	Country/Lang	Category	AI files	Contact	AI-protection
teratail.com ↗	55 match shared topic	teratail【テラテイル】｜ITエンジニア特化型Q&Aサイト	ja	programming-languages	robotsllmsaihumans	emailphone	none
codezine.jp ↗	37 match shared topic	CodeZine（コードジン）	Japan ja	technology-and-computing	robotsllmsaihumans	emailphone	none
seppuku.club ↗	37 match shared topic	切腹倶楽部	ja	technology-and-computing	robotsllmsaihumans	emailphone	none
qiita.com ↗	28 match shared topic	Qiita	ja	technology-and-computing	robotsllmsaihumans	emailphone	none
atcoder.jp ↗	28 match shared topic	AtCoder	Japan ja	programming-languages	robotsllmsaihumans	emailphone	partial · 2
gihyo.jp ↗	28 match shared topic	gihyo.jp \| gihyo.jp	Japan ja	technology-and-computing	robotsllmsaihumans	emailphone	none
gizmodo.jp ↗	28 match shared topic	ギズモード・ジャパン \| "みんなで探求する"テックメディア	Japan ja	technology-and-computing	robotsllmsaihumans	emailphone	none
atmarkit.co.jp ↗	28 match shared topic	ITエキスパートのための問題解決メディア - ＠IT	Japan ja	technology-and-computing	robotsllmsaihumans	emailphone	none
e-words.jp ↗	28 match shared topic	IT用語辞典 e-Words	Japan ja	technology-and-computing	robotsllmsaihumans	emailphone	partial · 4
feedmeter.net ↗	28 match shared topic	フィードメーター -ブログの人気度と更新頻度を測定する無料サービス	ja	technology-and-computing	robotsllmsaihumans	emailphone	none
qureo.jp ↗	28 match shared topic	小学生・子どもプログラミング教室【公式】QUREO \| 国内No.1教室数	Japan ja	programming-languages WordPress	robotsllmsaihumans	emailphone	partial · 1
protopedia.net ↗	28 match shared topic	ProtoPedia（プロトペディア） \| つくる、たのしむ、ひろがる	ja	technology-and-computing	robotsllmsaihumans	emailphone	none
thinkit.co.jp ↗	28 match shared topic	Think IT（シンクイット） \| オープンソース技術の実践活用メディア	Japan ja	technology-and-computing Drupal	robotsllmsaihumans	emailphone	none
codeadventure.jp ↗	28 match shared topic	低学年から始められる熱中プログラミングスクール \| コードアドベンチャー	Japan ja	programming-languages WordPress	robotsllmsaihumans	emailphone	none
pycon.jp ↗	28 match shared topic	PyCon JP Association	Japan ja	programming-languages	robotsllmsaihumans	emailphone	none
omatsuri.tech ↗	28 match shared topic	OMATSURI	ja	technology-and-computing	robotsllmsaihumans	emailphone	none
zenn.dev ↗	18 match shared topic	Zenn｜エンジニアのための情報共有コミュニティ	ja	technology-and-computing	robotsllmsaihumans	emailphone	partial · 1
ascii.jp ↗	18 match shared topic	ASCII.jp －トップ	Japan ja	technology-and-computing	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.