SEO.
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Can AI agents use German websites? 1,000 tested
Can browser agents use German websites? 1,000 top sites tested: 52% with fake buttons, 66% with covered controls, almost no WebMCP.
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German small business websites: 150 checked
We ran 150 small business websites through seven checks: 55% cite outdated law, 76% do not stop forged email, 89% fail automated accessibility tests.
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The best free domain authority checkers
A vendor-neutral ranking of free domain authority checkers: Ahrefs DR, Moz DA, Semrush Authority Score, Majestic Trust Flow, and why they never agree.
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The best free Open Graph checkers, ranked
A vendor-neutral ranking of free Open Graph checkers and link preview testers for LinkedIn, Facebook, X, and WhatsApp, and what each one misses.
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The best free robots.txt testers, ranked
Google retired its robots.txt Tester in 2023. The free tools that replace it, which parser each uses, and how to test GPTBot and other AI bots.
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The best free schema markup validators, ranked
A vendor-neutral ranking of free schema markup validators: Rich Results Test, Schema Markup Validator, Search Console, and what valid markup still misses.
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Can AI crawlers read JavaScript?
Mostly not. GPTBot, ClaudeBot, and PerplexityBot read the raw HTML and skip JavaScript. What that hides from ChatGPT and Claude, and how to fix it.
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What is an agent-friendly website?
An agent-friendly website is one AI agents can operate for a user: real buttons, named controls, stable layout, WebMCP. Google's rules, checked.
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AI visibility of German websites: 1,000 checked
We checked the 1,000 most-linked German websites for AI visibility: 60% lack Organization schema, 27% block an AI crawler, 6% publish llms.txt.
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The best free AI visibility checkers, ranked
A vendor-neutral ranking of free AI visibility checkers: which count your mentions in ChatGPT and Gemini, and which test whether AI can read your site.
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26% of top websites block AI crawlers
Robots.txt scan of the 800 most-linked websites: 26.6% block at least one AI crawler, GPTBot 19.2%, OAI-SearchBot only 8%. Full per-bot numbers.
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The best free website speed tests, ranked
A vendor-neutral ranking of the best free website speed tests: what each one measures, why lab and field scores disagree, and which fixes matter.
