Operated by Sourcelane✓ verified
Run a list of URLs through Google PageSpeed Insights and get Lighthouse scores plus Core Web Vitals for each one.
Runs lists of URLs through Google PageSpeed Insights / Lighthouse audits to produce per-URL performance diagnostics and web vitals for automated analysis. Outputs structured Lighthouse category scores (performance, accessibility, best-practices, SEO, PWA) on a 0–100 scale, Core Web Vitals and timing metrics (LCP, FCP, CLS, TBT, Speed Index with vitals in milliseconds except CLS), audit context for mobile or desktop user-agents, fetch timestamp and final resolved URL, and per-URL status with error reasons for failed audits. Uses Google’s PageSpeed Insights infrastructure to execute Lighthouse audits rather than local browser scraping, and is error-tolerant for bulk URL runs.
Verified Sep 28, 3:55 AM
$0.008
per url
Up to 100 per call. Only pay for results returned; failed calls are refunded.
SEO audits to bulk-score site pages and identify pages that reduce domain performance
Agency client reporting to pull fresh Lighthouse metrics for scheduled reports
Regression monitoring after deploys to detect score changes between builds
Core Web Vitals tracking to monitor LCP, CLS, and TBT trends over time
Competitor benchmarking to compare Lighthouse scores and web vitals across domains
List of URLs to audit with Google PageSpeed Insights.
Lighthouse categories to evaluate.
Optional settings
| Window | Uptime | Success rate | p50 | p95 | Calls |
|---|---|---|---|---|---|
| 24h | — | — | — | — | 0 |
| 7d | — | — | — | — | 0 |
| 30d | — | — | — | — | 0 |
Call it through Sourcelane's gateway or MCP server. We run the connector, apply your agent's spend guardrails, and bill only the results returned.
Call it via Sourcelane
curl -X POST https://api.usesourcelane.com/v1/call \
-H "Authorization: Bearer sl_live_your_agent_key" \
-H "Content-Type: application/json" \
-d '{"listing":"google-pagespeed-insights","params":{"urls":["https://www.stripe.com","https://www.google.com"]},"maxResults":10}'Request params
| Field | Type | Required | Description |
|---|---|---|---|
urls | array | required | List of URLs to audit with Google PageSpeed Insights. |
strategy | string | optional | Whether to run the Lighthouse audit as a mobile or desktop client. |
categories | array | optional | Lighthouse categories to evaluate. Supported values: performance, accessibility, best-practices, seo, pwa. |
Each result contains
| Field | Type | Description |
|---|---|---|
url | string | Url |
status | string | Status |
strategy | string | Strategy |
performanceScore | null | Performance Score |
accessibilityScore | null | Accessibility Score |
bestPracticesScore | null | Best Practices Score |
seoScore | null | Seo Score |
pwaScore | null | Pwa Score |
lcp | null | Lcp |
fcp | null | Fcp |
cls | null | Cls |
tbt | null | Tbt |
speedIndex | null | — |
fetchTime | null | — |
finalUrl | null | — |
error | string | — |
Pick your tool and connect in under a minute. Then just ask — for example: “For these 50 domains, find contact emails and what e-commerce platform they run on.”
Connect Claude
Web, desktop and mobile. One click, then confirm.
Adds the Sourcelane MCP server with your key as a header.
claude mcp add --transport http sourcelane https://api.usesourcelane.com/mcp \
--header "Authorization: Bearer sl_live_your_agent_key"Alternative to the connector URL: add to claude_desktop_config.json, then restart Claude.
{
"mcpServers": {
"sourcelane": {
"command": "npx",
"args": [
"-y",
"mcp-remote",
"https://api.usesourcelane.com/mcp",
"--header",
"Authorization:${AUTH_HEADER}"
],
"env": {
"AUTH_HEADER": "Bearer sl_live_your_agent_key"
}
}
}
}Add to ~/.cursor/mcp.json (or Windsurf's mcp_config.json).
{
"mcpServers": {
"sourcelane": {
"url": "https://api.usesourcelane.com/mcp",
"headers": {
"Authorization": "Bearer sl_live_your_agent_key"
}
}
}
}Save as .vscode/mcp.json. VS Code prompts for your key once.
{
"servers": {
"sourcelane": {
"type": "http",
"url": "https://api.usesourcelane.com/mcp",
"headers": {
"Authorization": "Bearer ${input:sourcelane-key}"
}
}
},
"inputs": [
{
"type": "promptString",
"id": "sourcelane-key",
"description": "Sourcelane agent key",
"password": true
}
]
}Create a GPT → Actions → Import from URL, then Authentication: API Key, Bearer.
https://usesourcelane.com/openapi.jsonOne POST. Pass maxResults to cap cost.
curl -X POST https://api.usesourcelane.com/v1/call \
-H "Authorization: Bearer sl_live_your_agent_key" \
-H "Content-Type: application/json" \
-d '{"listing":"google-pagespeed-insights","params":{"urls":["https://www.stripe.com","https://www.google.com"]},"maxResults":10}'Wrap the REST call as a tool, or point an MCP client at the endpoint.
import requests
res = requests.post(
"https://api.usesourcelane.com/v1/call",
headers={"Authorization": "Bearer sl_live_your_agent_key"},
json={
"listing": "google-pagespeed-insights",
"params": {"urls":["https://www.stripe.com","https://www.google.com"]},
"maxResults": 10,
},
timeout=300,
)
body = res.json()
print(body["receipt"]["chargedMicros"], "micro-USD for", body["receipt"]["results"], "results")
print(body["data"])—
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