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Markup from hell - HTMHell
What this score means
Your AEO score measures whether AI search engines (ChatGPT, Claude, Perplexity, Gemini) can actually read your site and cite it in answers. Two-thirds of websites are invisible to them. Markup from hell - HTMHell just got measured.
5/10 means Markup from hell - HTMHell is borderline visible. AI bots can crawl your site but your structured-data signals are thin. You are at risk of being skipped when buyers ask AI for a recommendation.
About Markup from hell - HTMHell
A collection of bad practices in HTML, copied from real websites.
Key Topics
Details
Industry: Technology
htmhell.devAI Visibility Breakdown
1
Structured Data
8
Content Structure
6
Entity Clarity
4
E-E-A-T Signals
6
Technical AEO
2
AI Discoverability
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Your full 6-category score breakdown
Exact fixes: robots.txt, schema, llms.txt
AI bot crawls from ChatGPT, Claude, Perplexity, Gemini
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Tech Shoppers Do More Research Than Anyone. Are You There When They're Looking?
Tech buyers are the most research-intensive shoppers on the internet.
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Source & Attribution
Scored by Engagemii on July 1, 2026. Methodology: engagemii.com/aeo/methodology
Source URL: https://engagemii.com/aeo/brands/htmhell-dev
Cite this score: Engagemii (2026). "AEO Score for Markup from hell - HTMHell." Retrieved from https://engagemii.com/aeo/brands/htmhell-dev
Licensed under CC BY 4.0. You may reuse this data with attribution: a visible link to engagemii.com.
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