Google PageSpeed

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.
image: https://kinlane-productions2.s3.amazonaws.com/apis-json/apis-json-logo.jpg
url: https://raw.githubusercontent.com/api-evangelist/google-pagespeed/refs/heads/main/apis.yml
created: '2026-03-13'
modified: '2026-04-28'
specificationVersion: '0.19'
type: Index
tags:
  - Core Web Vitals
  - Google
  - Lighthouse
  - Page Speed
  - SEO
  - Web Performance
apis:
  - name: PageSpeed Insights API
    description: >-
      The PageSpeed Insights API analyzes the content of a web page and generates
      suggestions to make it faster. It runs Lighthouse audits on the given URL
      and returns performance scores, Core Web Vitals metrics (Largest Contentful
      Paint, First Input Delay, Cumulative Layout Shift), field data from the
      Chrome User Experience Report, and detailed lab data with optimization
      opportunities and diagnostics.
    image: https://kinlane-productions2.s3.amazonaws.com/apis-json/apis-json-logo.jpg
    humanURL: https://developers.google.com/speed/docs/insights/v5/get-started
    baseURL: https://www.googleapis.com/pagespeedonline/v5
    tags:
      - Audits
      - Core Web Vitals
      - Lighthouse
      - Performance
    properties:
      - type: Documentation
        url: https://developers.google.com/speed/docs/insights/v5/reference
      - type: OpenAPI
        url: openapi/pagespeed-insights-openapi.yml
      - type: Authentication
        url: https://developers.google.com/speed/docs/insights/v5/get-started#APIKey
      - type: Getting Started
        url: https://developers.google.com/speed/docs/insights/v5/get-started
      - type: JSONSchema
        url: json-schema/google-pagespeed-result-schema.json
common:
  - type: Portal
    url: https://pagespeed.web.dev/
  - type: Getting Started
    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: Terms of Service
    url: https://developers.google.com/terms
  - type: Privacy Policy
    url: https://policies.google.com/privacy
  - type: Status
    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: JSON-LD
    url: json-ld/google-pagespeed-context.jsonld
maintainers:
  - FN: Kin Lane
    email: [email protected]