Pricing

from $20.00 / 1,000 results

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Core Web Vitals Bulk Checker

Try for free

Bulk-checks Core Web Vitals (LCP, CLS, INP) and Lighthouse performance scores for many URLs at once, using Google's own official PageSpeed Insights API. Mobile and desktop.

Pricing

from $20.00 / 1,000 results

Rating

0.0

(0)

Developer

victor

Actor stats

Bookmarked

Total users

Monthly active users

a day ago

Last modified

Features

Core Web Vitals checker for LCP, CLS and INP — the exact metrics Google uses as a ranking signal
Bulk PageSpeed Insights API wrapper — check 50+ URLs in one run instead of one at a time in the browser tool
Mobile and desktop results side by side, since Google evaluates them separately
Lab data AND real-user field data (Chrome UX Report) together — lab scores show what Lighthouse measures in a controlled run, field data shows what your actual visitors experience
Top improvement opportunities ranked by potential time savings for each URL, not just a raw score
100% official Google API — no scraping, no ToS risk, no CAPTCHAs to fight

Input

{
  "urls": ["https://example.com/", "https://example.com/product-page"],
  "strategies": ["mobile", "desktop"],
  "googleApiKey": "your-own-google-cloud-api-key"
}

You need your own free Google Cloud API key with the PageSpeed Insights API enabled (console.cloud.google.com). Google's free tier gives 25,000 requests/day — you are never charged by us for API usage, which keeps our per-result price low.

Output

{
  "url": "https://example.com/",
  "strategy": "mobile",
  "performanceScore": 87,
  "lcpDisplay": "2.1 s",
  "clsDisplay": "0.05",
  "tbtMs": 120,
  "fieldLcpCategory": "FAST",
  "fieldClsCategory": "FAST",
  "fieldInpCategory": "AVERAGE",
  "topOpportunities": ["Eliminate render-blocking resources", "Properly size images"]
}

Who this is for

SEO agencies auditing a client's entire site for Core Web Vitals before a campaign
Developers checking performance regressions across many pages after a deploy
E-commerce teams monitoring their top product/category pages, where a 1-second LCP delay measurably hurts conversion

Pricing

Pay per use — no subscription:

$0.01 per run
$0.02 per URL/device result

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