agentspeed.

docs.rs

scanned 7/25/2026, 7:40:24 PM · cached · refresh in 19h · rubric 2026.07.4
robots.txt present: passrobots.txt allows AI agents: passContent-Signal directives: failllms.txt present: warnSitemap present: passLink response headers: failCanonical URL: failMCP server card: failOAuth authorization metadata: failOAuth resource metadata: failAPI catalog / OpenAPI: failWeb Bot Auth: failMarkdown negotiation: failText-to-markup ratio: warnContent without JavaScript: skipHeading hierarchy: passCookie wall blocks content: passPage title: passMeta description: failJSON-LD present: failStructured data validates: skipSchema type coverage: passPaywall / login wall: passAgent Skills manifest: failWebMCP actions: failPrimary action reachable: passReachability: passTime to first byte: passFull render time: skipPage weight: pass61/ 100 · D
Needs work

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

Discoverability
39
Readability
63
Structured data
33
Actionability
75
Performance
87

✉ Email me this report + alert me when it changes ↓

Top fixes

failCanonical URLDiscoverability

No <link rel="canonical"> tag in <head>. Agents use canonical URLs to dedupe and cite.

Fix: Add <link rel="canonical" href="…"> pointing at the primary URL of each page.

failMeta descriptionReadability

No <meta name="description">. Agents use it as a page summary; add a 50–200 character description.

Fix: Add `<meta name="description" content="...">` to your primary pages. Agents frequently use it as a summary.

failJSON-LD presentStructured data

No JSON-LD blocks found. Add a <script type="application/ld+json"> with a schema.org type for this page.

Fix: Add a <script type="application/ld+json"> describing the page (Organization, Article, Product, FAQPage).

warnllms.txt presentDiscoverability

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

Fix: 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.

warnText-to-markup ratioReadability

Visible text is 10.2% of HTML weight (1795/17634 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%.

Don’t lose this report

Get it in your inbox now — and a heads-up whenever docs.rs’s agent-readiness score changes. Free, unsubscribe anytime.

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://docs.rs/llms.txt
# Docs.rs

> What docs.rs offers, in one or two sentences an AI agent can quote.

## Key pages
- [Home](https://docs.rs/)
- [Docs.rs](https://docs.rs/)

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

What the agent receives

The agent’s-eye view
Docs.rs Docs.rs docs.rs About docs.rs Badges Builds Metadata Shorthand URLs Download Rustdoc JSON Build queue Privacy policy Rust Rust website The Book Standard Library API Reference Rust by Example The Cargo Guide Clippy Documentation Docs.rs Search I'm Feeling Lucky Recent Releases ayaan-2.4.3 AyaanScript+ runtime and ASPKG package manager. A small scripting language with classes, inheritance, FFI, and a built-in webserver. 22 seconds ago promwrite-0.2.2 A high-performance, zero-allocation Prometheus Remote Write 2.0 client library. 2 minutes ago ferrflow-5.47.2 Universal semantic versioning for monorepos and classic repos 3 minutes ago n-quads-0.20.0 RDF 1.1 N-Quads and gRDF parser with source code mapping 4 minutes ago geotiff-writer-0.8.0 Pure-Rust GeoTIFF and COG writer with compression, tiling, and overview support 5 minutes ago geotiff-reader-0.8.0 Pure-Rust GeoTIFF reader with optional HTTP range-backed remote access 5 minutes ago tiff-writer-0.8.0 Pure-Rust TIFF/BigTIFF encoder with compression, tiling, and streaming writes 5 minutes ago tiff-reader-0.8.0 Pure-Rust, read-only TIFF/BigTIFF file decoder with no C dependencies 5 minutes ago geotiff-core-0.8.0 Shared GeoTIFF types: GeoKey directory, CRS, affine transforms, and tag constants 5 minutes ago tiff-core-0.8.0 Shared TIFF/BigTIFF types: byte order, tag types, tag values, sample traits, and format constants 5 minutes ago rticx-riscv-0.1.0 RTICX distribution for generic RISC-V targets 5 minutes ago usage-cli-3.5.7 CLI for working with usage-based CLIs 6 minutes ago aube-workspace-1.33.0 pnpm-workspace.yaml discovery and workspace: protocol resolution for Aube 6 minutes ago aube-resolver-1.33.0 Dependency resolver for Aube 6 minutes ago aube-scripts-1.33.0 Lifecycle script runner for Aube 7 minutes ago

Show your score

Embed this badge on your site. It links back to this live scan and updates on every rescan.

AgentSpeed score for docs.rs
<a href="https://agentspeed.com/scan/docs.rs"><img src="https://agentspeed.com/badge/docs.rs" alt="AgentSpeed agent-readiness score" height="56"></a>

Track this score

Get this report by email, then a heads-up when docs.rs’s agent-readiness actually changes — a check regressing, or the composite dropping.

Two things never trigger an email: a score change caused by us publishing a new rubric, because that is a different instrument rather than a change to your site, and movement explained only by timing-derived checks, which shift run to run on a site nobody touched.

Want it on your own schedule, with Slack or a webhook instead of email? Score-drift monitoring is on every paid plan.

Full breakdown

12 pass2 warn13 fail3 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
fail
Canonical URL
No <link rel="canonical"> tag in <head>. Agents use canonical URLs to dedupe and cite.
0/100
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
warn
Text-to-markup ratio
Visible text is 10.2% of HTML weight (1795/17634 bytes). Low. Markup may be crowding out agent-usable text.
66/100
skip
Content without JavaScript
Browser pass unavailable; cannot measure JS dependency.
—
pass
Heading hierarchy
Hierarchy is well-formed (1 H1, no skipped levels, 1 headings total).
100/100
pass
Cookie wall blocks content
No common consent-modal markers detected.
100/100
pass
Page title
A concise <title> is present (7 chars).
100/100
fail
Meta description
No <meta name="description">. Agents use it as a page summary; add a 50–200 character description.
0/100
Structured data
fail
JSON-LD present
No JSON-LD blocks found. Add a <script type="application/ld+json"> with a schema.org type for this page.
0/100
skip
Structured data validates
No JSON-LD blocks present; nothing to validate (covered by structured_data.jsonld_present).
—
pass
Schema type coverage
Page intent unclear; no specific schema.org type expected.
100/100
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 ("Rust package documentation hosting") with price/CTA ("Search").
100/100
pass
Reachability
HTTP 200.
100/100
Performance
pass
Time to first byte
TTFB 227ms. Healthy.
80/100
skip
Full render time
Full-render time unavailable (browser pass skipped or failed).
—
pass
Page weight
Initial document is a lean 17 KB.
100/100
Beyond the scan

Running AI agents of your own? AgentSpeed also monitors them in production — every run, its latency, cost, and failures, with alerts when something breaks. Free for 10,000 events a month, no credit card.

Start watching free →See plans