heavens-above.com
28/100
Science and Education
Methodology v4.2
GEO: 42.03/100
AEO: 10.26/100
Last scanned: Apr 30, 2026
View LeaderboardLast scanned: 1 hour ago
8 Pass
20 Fail
5 Needs Improvement
GEO — Generative Engine Optimization
Parameters that determine how well AI crawlers can discover and index your content.
Crawlability & Access
robots.txt accessibility | Pass |
HTTP status and reachability | Pass |
AI usage declaration GEO + AEO | Fail |
AI opt-out technical signals GEO + AEO | Pass |
AI crawler access control | Pass |
Paywall and login gating detection | Pass |
Discovery & Metadata
sitemap.xml availability | Fail |
Structured Data (schema.org) | Fail |
Page metadata | Partial |
URL stability | Fail |
Structured data (schema.org/JSON-LD) coverage | Fail |
Security headers baseline | Fail |
FAQ schema detection GEO + AEO | Fail |
Internal link coverage | Pass |
API & Agent Readiness
OpenAPI/API discoverability GEO + AEO | N/A |
API schema quality for agent consumption GEO + AEO | N/A |
Action-oriented API GEO + AEO | N/A |
Agent onboarding documentation GEO + AEO | Fail |
Machine-readable capability metadata GEO + AEO | Fail |
API auth transparency GEO + AEO | N/A |
Content Structure
Semantic HTML structure GEO + AEO | Fail |
Content visibility without JavaScript | Pass |
Alt text and accessibility labels GEO + AEO | Partial |
Heading hierarchy quality GEO + AEO | Fail |
Nosnippet directive detection | Pass |
Paragraph length distribution | Fail |
Section length distribution | Fail |
Dated statistics ratio | N/A |
AI-Specific Protocols
AI manifests coverage | Fail |
llms.txt file presence Experimental | Fail |
UCP manifest availability | N/A |
Content Quality
Content freshness GEO + AEO | Partial |
AEO — Answer Engine Optimization
Parameters that influence how AI systems cite and surface your content in answers.
AI Integration
OpenAPI/API discoverability GEO + AEO | N/A |
API schema quality for agent consumption GEO + AEO | N/A |
Action-oriented API GEO + AEO | N/A |
Agent onboarding documentation GEO + AEO | Fail |
AI usage declaration GEO + AEO | Fail |
Machine-readable capability metadata GEO + AEO | Fail |
API auth transparency GEO + AEO | N/A |
AI opt-out technical signals GEO + AEO | Pass |
Content Authority & Quality
Semantic HTML structure GEO + AEO | Fail |
Alt text and accessibility labels GEO + AEO | Partial |
Content freshness GEO + AEO | Partial |
Author authority signals | Fail |
Heading hierarchy quality GEO + AEO | Fail |
Content depth | Fail |
Citation and evidence density | Partial |
Answer Positioning
FAQ schema detection GEO + AEO | Fail |
Answer-oriented content structure | Partial |
Answer-first H2 compliance | Fail |
Chunk extractability (self-contained H2 blocks) | Fail |
TL;DR / Key Takeaways section | Fail |
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