agentspeed.

stability.ai

scanned 7/25/2026, 9:40:27 PM · cached · refresh in 21h · rubric 2026.07.4
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robots.txt present: passrobots.txt allows AI agents: passContent-Signal directives: failllms.txt present: warnSitemap present: passLink response headers: failCanonical URL: passMCP server card: failOAuth authorization metadata: failOAuth resource metadata: failAPI catalog / OpenAPI: failWeb Bot Auth: failMarkdown negotiation: failText-to-markup ratio: failContent without JavaScript: skipHeading hierarchy: warnCookie wall blocks content: passPage title: passMeta description: passJSON-LD present: passStructured data validates: warnSchema type coverage: failPaywall / login wall: passAgent Skills manifest: failWebMCP actions: failPrimary action reachable: passReachability: passTime to first byte: passFull render time: skipPage weight: pass74/ 100 · C
Needs work

This is how AI agents (not browsers) experience stability.ai. The score weights five categories of machine-readability; the ticks on the arc are the 30 individual checks behind it.

Discoverability
51
Readability
76
Structured data
78
Actionability
75
Performance
100

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Top fixes

warnllms.txt presentDiscoverability

Found /llms.txt but missing H1 header and markdown links.

Fix · Squarespace: Publish /llms.txt at your domain root. Build a spec-compliant one at /tools/llms-txt-generator.

failLink response headersDiscoverability

No HTTP Link: response headers. Emit canonical/alternate/describedby relations so HEAD-only or stream-rendering agents get them without parsing HTML.

Fix: Emit `Link:` headers for canonical, alternate-language, and describedby relations. Agents that fetch HEAD-only or stream-render rely on these.

failText-to-markup ratioReadability

Visible text is 1.2% of HTML weight (5677/486704 bytes). Low. Markup may be crowding out agent-usable text.

Fix: Heavy ad or navigation markup crowds out agent-usable text. Aim for a text-to-DOM ratio above 15%.

warnStructured data validatesStructured data

1 recommended-field warning(s). First: WebSite recommends "potentialAction" (improves agent comprehension).

Fix: Validate your JSON-LD with Google Rich Results test. Fix missing required properties.

failSchema type coverageStructured data

Page looks like Article|BlogPosting|NewsArticle; missing JSON-LD type(s): Article|BlogPosting|NewsArticle.

Fix: Align JSON-LD type to page purpose. Product pages without Product markup are skipped by agent shopping flows.

warnHeading hierarchyReadability

Heading issues: 3 skipped level(s).

Fix: Use a single H1 and avoid skipping heading levels (H1 → H3).

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Fix it

Generated, ready-to-ship files for the gaps above — copy them or download and drop them into your repo.

Add an llms.txt
Publish this at https://stability.ai/llms.txt
# Stability AI

> Stability AI is the enterprise-ready creative partner for teams and creators, delivering professional-grade generative AI tools and solutions for content production at scale.

## Key pages
- [Home](https://stability.ai/)
- [Creative production powered by your brand.](https://stability.ai/)
- [We’ll help you make it like nobody’s business.](https://stability.ai/)
- [Solve creative problems without creating new ones.](https://stability.ai/)
- [News](https://stability.ai/)
- [News](https://stability.ai/)
- [Your future workflow is more than a prompt.](https://stability.ai/)

## About
Describe what stability.ai does, who it's for, and the primary action you want an
agent to be able to complete. Keep it factual and current.
Qualifies for certificationBronze

This score clears the Bronze threshold (70+). Certification turns it into a dated, publicly verifiable attestation — a verification URL, an embeddable badge, and weekly monitoring for a full year. Scores under 70 can’t buy this, which is what makes displaying it mean something.

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What the agent receives

The agent’s-eye view
Stability AI 0 Skip to Content Models Image Video Audio 3D Solutions ROI Calculator Strategic Partnerships Brand Style Product Photography Customer Stories Brand Studio Deployment Brand Studio Plans Self-Hosted License Platform API Cloud Platforms Insights Foundations Implementations Guides News Company Careers Partners Research Safety Board of Directors Get in touch Open Menu Close Menu Models Image Video Audio 3D Solutions ROI Calculator Strategic Partnerships Brand Style Product Photography Customer Stories Brand Studio Deployment Brand Studio Plans Self-Hosted License Platform API Cloud Platforms Insights Foundations Implementations Guides News Company Careers Partners Research Safety Board of Directors Get in touch Open Menu Close Menu Folder: Models Back Image Video Audio 3D Folder: Solutions Back ROI Calculator Strategic Partnerships Brand Style Product Photography Customer Stories Brand Studio Folder: Deployment Back Brand Studio Plans Self-Hosted License Platform API Cloud Platforms Folder: Insights Back Foundations Implementations Guides News Folder: Company Back Careers Partners Research Safety Board of Directors Get in touch Creative production powered by your brand. Start for free Work with us We’ll help you make it like nobody’s business. No creative challenge too big, no timeline too tight. Get to production with Stability AI, your enterprise-ready creative partner. Work with us. Marketing Create high-quality on-brand assets for every campaign using our image generation and editing tools. Gaming Build immersive worlds with our 3D and 4D video models that take volumetric generative media to the next level. Entertainment From storyboarding to color grading, our image and video tools help you get to the final cut faster. Solve creative problems without creating new ones. Our solutions are built for real-world outcomes. Get the customization, managed hosting, and implementation support you need for production, without the technical barriers. Book a demo News View all news May 20, 2026 Meet Stable Audio 3.0, the model family built for artistic experimentation with open-weight models May 20, 2026 May 20, 2026 April 8, 2026 Introducing Brand Studio: The creative production platform powered by your brand April 8, 2026 April 8, 2026 February 11, 2026 Stability AI Joins the Tech Coalition February 11, 2026 February 11, 2026 News View all news May 20, 2026 Meet Stable Audio 3.0, the model family built for artistic experimentation with open-weight models May 20, 2026 May 20, 2026 April 8, 2026 Introducing Brand Studio: The creative production platform powered by your brand April 8, 2026 April 8, 2026 February 11, 2026 Stability AI Joins the Tech Coalition February 11, 2026 February 11, 2026 Trusted by the world’s most innovative businesses. Your future workflow is more than a prompt. Keep the power of creativity where it belongs: in human hands. Stay in control Your creative process isn’t just one input and output. Our tools enable generating and editing in sequential workflows that reflect actual production pipelines, with precise control at every step from idea to output. Speak with an expert Proven. Trusted. Ready. Everything you need for confident enterprise deployment: indemnification, expert support, compliance, and safe scalable integration. Start your deployment Gen AI that works with you, where you work. Self-Hosted Deploy our models in your environment for advanced customization and control of your data. Get license Applications Brand Studio, our fully managed creative production platform for enterprise teams. See plans API Seamlessly integrate our production-ready media generation and editing tools with no infrastructure to manage. See plans Cloud Service Deploy our models in your environment for advanced customization. See plans Electronic Arts Partners With James Cameron-Backed Stability AI for Game Developer Tools That Serve as Smarter Paintbrushes” Read more UMG Partners With Stability AI to Develop Music Creation Tools for Artists, Producers” Read more HubSpot accelerates creative production with professional-quality images. Learn how HubSpot enables customers to generate on-brand visuals instantly using Stability AI tools. Learn more Enterprise retailers choose Stability AI to create high-quality product visuals that convert. See how Mercado Libre, Latin America's largest ecommerce marketplace, used Stability AI to drive 25% higher click-through rates. Learn more Innovative brands bring ideas to market faster with state-of-the-art generation tools. Discover how Stride Learning launched a personalized storytelling app in just 6 months with Stable Diffusion on Amazon Bedrock, which can produce 1,000+ images per minute. Learn more Less busywork. More great work. The future of creativity is here, and it’s not just a prompt. It’s people like you, using tools like ours. So, ready to start making like nobody’s business? Get started Stability AI is unlocking the power of open-source generative AI to expand human creativity. We build world-class models that are accessible, adaptable, and designed to empower creators, developers, and enterprises everywhere. Company Board of Directors Partners Safety Research Careers News Brand Resources Models Image Video Audio 3D Deployment Stability AI License Community License Agreement Platform API Cloud Platforms ResourceS Learning Hub Customer Stories Contact Us press@stability.ai partners@stability.ai Submit a Support Request Legal Acceptable Use Policy Privacy Policy Terms of Service Trust Center Your Privacy Choices Applications Brand Studio Stable Audio Join the Mailing List © Stability AI Ltd, 2026

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AgentSpeed score for stability.ai
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Full breakdown

13 pass3 warn12 fail2 skip
Discoverability
pass
robots.txt present
A robots.txt is reachable at the site root.
100/100
pass
robots.txt allows AI agents
All 8 answer-time access agents allowed.
100/100
fail
Content-Signal directivesemerging
No Content-Signal directives. Add e.g. `Content-Signal: ai-train=no, ai-summarize=yes` to declare granular AI usage policy beyond binary allow/disallow.
0/100
warn
llms.txt present
Found /llms.txt but missing H1 header and markdown links.
60/100
pass
Sitemap present
sitemap.xml reachable and referenced from robots.txt.
100/100
fail
Link response headers
No HTTP Link: response headers. Emit canonical/alternate/describedby relations so HEAD-only or stream-rendering agents get them without parsing HTML.
0/100
pass
Canonical URL
Canonical points to self: https://stability.ai/.
100/100
fail
MCP server cardemerging
No valid MCP Server Card at /.well-known/mcp/server-card.json. Publish one so agents can discover your tools without HTML scraping.
0/100
fail
OAuth authorization metadataemerging
No RFC 8414 metadata at /.well-known/oauth-authorization-server. Agents that act on behalf of users need this to discover your authorization endpoints.
0/100
fail
OAuth resource metadataemerging
No RFC 9728 metadata at /.well-known/oauth-protected-resource. Publish it so agents can discover required scopes without hand-coded credentials.
0/100
fail
API catalog / OpenAPIemerging
No /.well-known/api-catalog (RFC 9727) and no /openapi.json|yaml. Publish one so agents that integrate with APIs can discover your endpoints.
0/100
fail
Web Bot Authemerging
No Web Bot Auth JWKS at /.well-known/http-message-signatures-directory.json. Publish one to allow trusted agents while keeping a default-deny posture for the rest.
0/100
Readability
fail
Markdown negotiationemerging
Accept: text/markdown returns HTML, not markdown. Serve a markdown variant of primary content when requested; agents summarize and cite it more reliably.
0/100
fail
Text-to-markup ratio
Visible text is 1.2% of HTML weight (5677/486704 bytes). Low. Markup may be crowding out agent-usable text.
9/100
skip
Content without JavaScript
Browser pass unavailable; cannot measure JS dependency.
—
warn
Heading hierarchy
Heading issues: 3 skipped level(s).
75/100
pass
Cookie wall blocks content
No common consent-modal markers detected.
100/100
pass
Page title
A concise <title> is present (12 chars).
100/100
pass
Meta description
A well-sized meta description is present (174 chars).
100/100
Structured data
pass
JSON-LD present
Found 1 JSON-LD block.
100/100
warn
Structured data validates
1 recommended-field warning(s). First: WebSite recommends "potentialAction" (improves agent comprehension).
95/100
fail
Schema type coverage
Page looks like Article|BlogPosting|NewsArticle; missing JSON-LD type(s): Article|BlogPosting|NewsArticle.
0/100
Actionability
pass
Paywall / login wall
No paywall or login-wall detected on the landing URL.
100/100
fail
Agent Skills manifestemerging
No Agent Skills manifest at /.well-known/agent-skills.json. Enumerate the tasks agents can perform (search, add-to-cart, contact-support) so they pick the right one without scraping.
0/100
fail
WebMCP actionsemerging
No WebMCP detected. On pages with first-class actions (cart, support, account), embed a WebMCP server so on-page agents invoke tools directly.
0/100
pass
Primary action reachable
Primary offering identified ("Generative AI models and creative production platform") with price/CTA ("Start for free").
100/100
pass
Reachability
HTTP 200.
100/100
Performance
pass
Time to first byte
TTFB 167ms. Healthy.
100/100
skip
Full render time
Full-render time unavailable (browser pass skipped or failed).
—
pass
Page weight
Initial document is a lean 475 KB.
100/100
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