Lighthouse Checker

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Run Google Lighthouse audits on any URL or entire website via sitemap. Get performance, accessibility, SEO, and best practices scores with mobile/desktop emulation.

Features

• Single URL or Batch Processing - Audit one page or hundreds at once
• Sitemap Discovery - Automatically extract URLs from sitemap.xml (supports sitemap indexes and gzipped sitemaps)
• URL Filtering - Filter sitemap URLs with regex patterns
• Device Emulation - Test as mobile or desktop with configurable viewports
• Network Throttling - Simulate slow 3G, fast 3G, or custom network conditions
• Authenticated Pages - Support for cookie injection and automated form login
• Concurrent Processing - Run multiple audits in parallel (up to 5)
• Smart Retries - Automatic retry with third-party resource blocking for flaky pages
• Detailed Reports - Full Lighthouse HTML and JSON reports stored for each URL

Input

Output

Each audited URL produces a dataset item with:

{
"summary":{
"url":"https://example.com",
"finalUrl":"https://example.com/",
"fetchTime":"2024-01-15T10:30:00.000Z",
"scores":{
"performance":85,
"accessibility":92,
"bestPractices":100,
"seo":90,
"pwa":null
},
"coreWebVitals":{
"lcp":1250,
"cls":0.05,
"fcp":800,
"ttfb":320,
"inp":null
}
},
"artifacts":{
"htmlReportUrl":"https://api.apify.com/v2/key-value-stores/.../records/report-example-com.html",
"jsonReportUrl":"https://api.apify.com/v2/key-value-stores/.../records/report-example-com.json",
"screenshotUrl":"https://api.apify.com/v2/key-value-stores/.../records/screenshot-example-com.jpg"
}
}

Examples

Single URL

{
"url":"https://example.com",
"device":"mobile",
"categories":["performance","accessibility"]
}

Batch from Sitemap

{
"sitemapUrl":"https://example.com/sitemap.xml",
"maxUrls":100,
"urlPattern":"/blog/",
"device":"desktop",
"categories":["performance","seo"],
"concurrency":3
}

Quick Performance Check

{
"urls":[
"https://example.com",
"https://example.com/about",
"https://example.com/contact"
],
"preset":"quick",
"concurrency":3
}

Authenticated Pages (Cookies)

{
"url":"https://example.com/dashboard",
"cookies":[
{
"name":"session_id",
"value":"abc123",
"domain":"example.com"
}
]
}

Authenticated Pages (Login Flow)

{
"url":"https://example.com/dashboard",
"login":{
"loginUrl":"https://example.com/login",
"usernameSelector":"#email",
"passwordSelector":"#password",
"submitSelector":"button[type='submit']",
"username":"user@example.com",
"password":"your-password"
}
}

Key-Value Store Output

In addition to the dataset, the actor stores:

• summary.json - Aggregate statistics for the batch
• report-{slug}.html - Interactive Lighthouse HTML report for each URL
• report-{slug}.json - Full Lighthouse JSON report for each URL
• screenshot-{slug}.jpg - Final rendered screenshot for each URL

Use Cases

• Monitor Core Web Vitals across your entire site
• Track accessibility compliance at scale
• Compare mobile vs desktop performance
• Audit authenticated/logged-in pages
• Integrate Lighthouse into CI/CD pipelines via Apify API
• Generate performance reports for clients

Limitations

• Maximum 5 concurrent audits (Chrome is resource-intensive)
• Timeout range: 30-300 seconds per audit
• Some sites may block automated browsers

Resources

• Google Lighthouse Documentation
• Core Web Vitals
• Apify Platform Documentation