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AI可読性・技術的SEO・ウェブ検索の未来についてのヒント、解説、分析。

How-to · Server logs · JavaScript · GEO·October 2026·6 min 読書

What the Crawler Really Sees: Server Logs and the View Without JavaScript

None of the major AI crawlers execute JavaScript. A how-to for checking with curl and your own server logs what GPTBot and ClaudeBot actually take away from a page.

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Self-test · Sitemap · hreflang · GEO·September 2026·6 min 読書

The Cobbler and His Sitemap: We Ran robotcheck.coffee Through robotcheck

8.6 out of 10, grade A — and still eight dead links in our own sitemap. A self-test on what a score measures and what it misses.

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llms.txt · AI Crawlers · GEO·June 2026·6 min 読書

llms.txt in 2026: What the Server Logs Actually Show

Few files have generated as much debate as llms.txt. We analyzed our own Nginx logs — the result confirms the research.

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Deep Dive · LLM & SEO·2026年5月·約12分 読書

LLMが本当にあなたのウェブサイトを読む方法 – そして何が問題になりうるか

ChatGPT、Gemini、Perplexity、Claudeはウェブのゲートキーパーになりました。真のAI可読性のための10個の重要な要素を、それぞれの具体的なヒントとともに解説します。

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Product · Technology·May 2026·7 min read 読書

Why RobotCheck updates its rules automatically

AI crawlers evolve faster than any documentation. A website checked once and then left alone is soon being tested against outdated rules — and nobody notices.

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