🚀 Google Lighthouse Checker - Core Web Vitals & Performance Audits at Scale

"Core Web Vitals & Performance Audits at Scale" by John Rippy | johnrippy.link

🏆 2025 Zapier Automation Hero of the Year — Project Phoenix: A 95-step AI sales pipeline cutting development time by 50%. Read more →

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Stop paying $500+/month for PageSpeed Insights API. Run unlimited Lighthouse audits for a fraction of the cost.

Get instant Core Web Vitals (LCP, FID, CLS), performance scores, accessibility audits, SEO analysis, and actionable optimization recommendations for any website—or thousands of URLs in batch.

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⚡ Why This Actor?

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📊 What You Get

Core Web Vitals (Google's Ranking Factors)

Category Scores (0-100)

Performance - Page speed and loading optimization
Accessibility - WCAG compliance and usability
Best Practices - Modern web development standards
SEO - Search engine optimization factors
PWA - Progressive Web App readiness

Actionable Insights

Opportunities - Specific fixes with estimated time savings
Diagnostics - Technical issues affecting performance
Screenshots - Visual timeline of page load
Full Report - Complete Lighthouse JSON for deep analysis

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🎯 Use Cases

SEO Agencies

Audit all client websites monthly
Track Core Web Vitals improvements
Generate performance reports automatically
Identify pages hurting search rankings

E-commerce Sites

Monitor product page performance
Ensure mobile checkout speed
Track performance across thousands of SKUs
Alert when pages slow down

Web Developers

CI/CD performance testing
Pre-launch audits
A/B test performance impact
Monitor third-party script bloat

Enterprise Teams

Company-wide website audits
Compliance monitoring
Performance benchmarking
Automated reporting to stakeholders

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📥 Input Parameters

Example Input

{
"urls": [
"https://example.com",
"https://example.com/products",
"https://example.com/checkout"
],
"device": "mobile",
"categories": ["performance", "seo"],
"includeScreenshots": true,
"webhookUrl": "https://hooks.zapier.com/..."
}

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📤 Output Format

{
"url": "https://example.com",
"fetchTime": "2024-01-15T10:30:00.000Z",
"device": "mobile",
"scores": {
"performance": 85,
"accessibility": 92,
"bestPractices": 88,
"seo": 95,
"pwa": 45
},
"coreWebVitals": {
"LCP": 2100,
"FID": 45,
"CLS": 0.05,
"FCP": 1200,
"TTFB": 320,
"TBT": 180,
"SI": 2800,
"TTI": 3200
},
"grade": "B",
"passedAudits": 42,
"failedAudits": 8,
"opportunities": [
{
"id": "unused-javascript",
"title": "Remove unused JavaScript",
"description": "Remove unused JavaScript to reduce bytes consumed by network activity.",
"score": 0.45,
"savings": "0.8 s"
}
],
"diagnostics": [
{
"id": "dom-size",
"title": "Avoid an excessive DOM size",
"description": "A large DOM will increase memory usage.",
"displayValue": "1,234 elements"
}
],
"screenshots": {
"final": "data:image/jpeg;base64,...",
"thumbnails": ["data:image/jpeg;base64,..."]
}
}

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🔗 Webhook Integration

Receive results automatically when audits complete:

Zapier

1. Create a "Webhooks by Zapier" trigger

2. Choose "Catch Hook"

3. Copy the webhook URL to input

4. Trigger actions based on scores

Make (Integromat)

1. Create a "Webhooks" module

2. Choose "Custom webhook"

3. Copy URL and add to actor input

4. Build automations on results

n8n

1. Add "Webhook" node

2. Set to POST method

3. Use URL in actor input

4. Process scores in workflow

Webhook Payload

{
"event": "lighthouse_audit_completed",
"timestamp": "2024-01-15T10:30:00.000Z",
"actor": "google-lighthouse-checker",
"urlsAudited": 3,
"results": [
{
"url": "https://example.com",
"scores": { "performance": 85, "seo": 95 },
"grade": "B",
"coreWebVitals": { "LCP": 2100, "CLS": 0.05 }
}
]
}

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💰 Pricing

Prices are estimates. Actual costs depend on Apify compute usage.

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🏃 Quick Start

1. Single URL Audit

{
"url": "https://yoursite.com",
"device": "mobile"
}

2. Batch Audit

{
"urls": ["https://site1.com", "https://site2.com", "https://site3.com"],
"maxConcurrency": 3
}

3. With Webhook

{
"url": "https://yoursite.com",
"webhookUrl": "https://hooks.zapier.com/hooks/catch/123/abc"
}

4. Demo Mode (Free)

{
"demoMode": true
}

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🔧 API Integration

Using Apify API

const { ApifyClient } = require('apify-client');

const client = new ApifyClient({ token: 'YOUR_API_TOKEN' });

const run = await client.actor('localhowl/google-lighthouse-checker').call({
urls: ['https://example.com'],
device: 'mobile',
categories: ['performance', 'seo']
});

const { items } = await client.dataset(run.defaultDatasetId).listItems();
console.log(items);

Using cURL

curl -X POST "https://api.apify.com/v2/acts/localhowl~google-lighthouse-checker/runs?token=YOUR_TOKEN" \
-H "Content-Type: application/json" \
-d '{"url": "https://example.com", "device": "mobile"}'

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📈 Understanding Scores

Performance Grade Scale

Core Web Vitals Thresholds

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🆚 Comparison

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📝 Changelog

v1.0.0 (2024-12)

Initial release
Core Web Vitals extraction
Mobile and desktop device emulation
Batch URL processing
Webhook integration
Demo mode for testing

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🏷️ Keywords

google lighthouse, core web vitals, page speed, performance audit, web vitals, LCP, FID, CLS, website speed test, SEO audit, accessibility audit, lighthouse api, pagespeed insights alternative, website performance, mobile speed test, desktop speed test, web performance monitoring, site speed checker, lighthouse batch, performance score, best practices audit, pwa audit, web optimization, page load time, speed index, time to interactive, largest contentful paint, cumulative layout shift, first input delay, lighthouse automation, performance testing api

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🤝 Support

Issues: GitHub Issues

Documentation: Apify Docs

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Built by John Rippy | johnrippy.link