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Fullscreen API Standard
AEO Score: 4/10
Monitoring for AI engine activity
In the Engagemii AEO index
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. Fullscreen API Standard just got measured.
4/10 means Fullscreen API Standard 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 Fullscreen API Standard
PI Living Standard — Last Updated 19 May 2026 Participate: GitHub whatwg/fullscreen (new issue, open issues) Chat on Matrix Commits: GitHub whatwg/fullscreen/commits Snapshot as of this commit @fullscreenapi Tests: web-platform-tests fullscreen/ (ongoing work) Translations (non-normative): 日本語 简体中文 한국어 Abstract The Fullscreen API standard defines an API for elements to display themselves fullscree
Key Topics
Details
Category: Technology
fullscreen.spec.whatwg.orgAI Visibility Breakdown
1
Structured Data
6
Content Structure
5
Entity Clarity
4
E-E-A-T Signals
5
Technical AEO
3
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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Source & Attribution
Scored by Engagemii on May 23, 2026. Methodology: engagemii.com/aeo/methodology
Source URL: https://engagemii.com/aeo/brands/fullscreen-spec-whatwg-org
Cite this score: Engagemii (2026). "AEO Score for Fullscreen API Standard." Retrieved from https://engagemii.com/aeo/brands/fullscreen-spec-whatwg-org
Licensed under CC BY 4.0. You may reuse this data with attribution: a visible link to engagemii.com.
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