Google PageSpeed website screenshot

Google PageSpeed

Google PageSpeed Insights provides APIs for analyzing the performance of web pages on both mobile and desktop devices, returning performance scores, Core Web Vitals metrics, and actionable optimization recommendations powered by Lighthouse.

Google PageSpeed publishes 1 API on the APIs.io network: Analysis API. Tagged areas include Core Web Vitals, Google, Lighthouse, Page Speed, and SEO.

The Google PageSpeed catalog on APIs.io includes 1 JSON-LD context and 1 Spectral governance ruleset.

Google PageSpeed’s developer surface includes authentication, developer portal, getting-started guide, documentation, support, developer console, and 9 more developer resources.

🌐 Visit website 📡 Source on GitHub
61.4/100 strong ▬ flat Agent 31/100 agent aware Full breakdown ↓
scored 2026-07-28 · rubric v0.6
AccessFreemiumSelf serve⚡ Free to try
1 APIs
Core Web VitalsGoogleLighthousePage SpeedSEOWeb Performance

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-07-28 · rubric v0.6
Composite quality — 61.4/100 · strong
Contract Quality 17.8 / 25
Developer Ergonomics 10.9 / 20
Commercial Clarity 12.1 / 20
Operational Transparency 6.8 / 13
Governance 7.0 / 12
Discoverability 6.9 / 10
Agent readiness — 31/100 · agent aware
Machine-Readable Contract 18 / 18
Agentic Access Contract 10 / 10
MCP Server 0 / 12
Machine-Readable Auth 10 / 10
Idempotency 0 / 9
Stable Error Semantics 0 / 8
Request/Response Examples 0 / 7
Rate-Limit Signaling 7 / 7
Typed Event Surface 0 / 6
Agent Skills 0 / 5
Well-Known Catalog 0 / 4
Consent & Bot Identity 0 / 3
A2A Agent Card 0 / 8
Dry-Run / Simulate Mode 0 / 4
Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. This rating is computed from github.com/api-evangelist/google-pagespeed: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

APIs 1

Individual APIs this provider publishes, each with its own machine-readable definition.

Google PageSpeed Analysis API

Page performance analysis

Postman Collections 1

Ready-to-run Postman collections for exercising this provider's APIs.

Google PageSpeed PageSpeed Insights Analysis API

POSTMAN

Open Collections 1

Open, tool-agnostic API collections (OpenAPI-derived and Bruno).

Google PageSpeed PageSpeed Insights API

OPEN COLLECTION

Pricing Plans 1

Published pricing tiers and plan structures.

Google Pagespeed Plans Pricing

3 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

Google Pagespeed Rate Limits

5 limits

RATE LIMITS

FinOps 1

Cost, billing, and metering signals for API financial operations.

Google Pagespeed Finops

FINOPS

Semantic Vocabularies 1

JSON-LD contexts and semantic vocabularies used across these APIs.

Google Pagespeed Context

0 classes · 3 properties

JSON-LD

Spectral Rules 1

Spectral governance rulesets for linting and validating these APIs.

Google PageSpeed API Rules

6 rules · 4 warnings 2 info

SPECTRAL

JSON Schema 1

Standalone JSON Schema definitions for this provider's data models.

PageSpeed Insights Result

5 properties

JSON SCHEMA

Security Posture 2

Authentication, domain security, vulnerability disclosure, and trust-center signals.

Google Pagespeed Authentication

apiKey · 1 scheme

SECURITY

Google Pagespeed Domain Security

TLSv1.3 · HSTS · DNSSEC · DMARC

SECURITY

Agentic Access 1

Recommended x-agentic-access execution contracts for AI agents.

Google Pagespeed Agentic Access

1 operation

1 operations · 0 acting

AGENTIC

Resources

Get Started 3

Portal, sign-up, and the first successful call

Portal
Portal
 GettingStarted
GettingStarted
 Console
Console

Documentation 1

Reference material describing how the API behaves

Documentation
Documentation

Agent Surfaces 1

MCP servers, agent skills, and machine-readable catalogs

AgenticAccess
AgenticAccess

Design & Contract 1

Pagination, idempotency, versioning, errors, and events

JSONLD
JSONLD

Build 2

SDKs, sample code, and the tooling you integrate with

PostmanWorkspace
PostmanWorkspace
 GitHubOrganization
GitHubOrganization

Access & Security 3

Authentication, authorization, and security posture

DomainSecurity
DomainSecurity
 Authentication
Authentication
 Authentication
Authentication

Operate 2

Status, limits, changes, and where to get help

StatusPage
StatusPage
 Support
Support

Commercial 2

Pricing, plans, and the legal terms of use

TermsOfService
TermsOfService
 PrivacyPolicy
PrivacyPolicy

Source (apis.yml)

apis.yml Raw ↑ 
aid: google-pagespeed
name: Google PageSpeed
description: Google PageSpeed Insights provides APIs for analyzing the performance of web pages on both mobile and desktop
  devices, returning performance scores, Core Web Vitals metrics, and actionable optimization recommendations powered by Lighthouse.
accessModel:
  pricing: freemium
  onboarding: self-serve
  trial: false
  try_now: true
  public: false
  label: Freemium · Self-serve signup
  confidence: high
  source:
  - plans
  - authentication
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/google-pagespeed.png
url: https://raw.githubusercontent.com/api-evangelist/google-pagespeed/refs/heads/main/apis.yml
created: '2026-03-13'
modified: '2026-05-19'
specificationVersion: '0.19'
type: Index
tags:
- Core Web Vitals
- Google
- Lighthouse
- Page Speed
- SEO
- Web Performance
apis:
- aid: google-pagespeed:google-pagespeed-analysis-api
  name: Google PageSpeed Analysis API
  description: Page performance analysis
  humanURL: https://developers.google.com/speed/docs/insights/v5/get-started
  baseURL: https://www.googleapis.com/pagespeedonline/v5
  tags:
  - Analysis
  properties:
  - type: OpenAPI
    url: openapi/google-pagespeed-analysis-api-openapi.yml
  - type: Documentation
    url: https://developers.google.com/speed/docs/insights/v5/reference
  - type: Authentication
    url: https://developers.google.com/speed/docs/insights/v5/get-started#APIKey
  - type: GettingStarted
    url: https://developers.google.com/speed/docs/insights/v5/get-started
  - type: JSONSchema
    url: json-schema/google-pagespeed-result-schema.json
common:
- type: PostmanWorkspace
  url: https://www.postman.com/kinlaneapi/google-pagespeed/overview
- type: AgenticAccess
  url: agentic-access/google-pagespeed-agentic-access.yml
- type: DomainSecurity
  url: security/google-pagespeed-domain-security.yml
- type: Authentication
  url: authentication/google-pagespeed-authentication.yml
- type: GitHubOrganization
  url: https://github.com/pagespeed
- type: Portal
  url: https://pagespeed.web.dev/
- type: GettingStarted
  url: https://developers.google.com/speed/docs/insights/v5/get-started
- type: Documentation
  url: https://developers.google.com/speed/docs/insights
- type: Authentication
  url: https://developers.google.com/speed/docs/insights/v5/get-started#APIKey
- type: TermsOfService
  url: https://developers.google.com/terms
- type: PrivacyPolicy
  url: https://policies.google.com/privacy
- type: StatusPage
  url: https://status.cloud.google.com/
- type: Support
  url: https://support.google.com/webmasters
- type: Console
  url: https://console.cloud.google.com/apis/library/pagespeedonline.googleapis.com
- type: JSONLD
  url: json-ld/google-pagespeed-context.jsonld
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com