You can access the Core Web Vitals Regression Alerter programmatically from your own applications by using the Apify API. You can also choose the language preference from below. To use the Apify API, you’ll need an Apify account and your API token, found in API & Integrations in Apify Console.

Python

JavaScript

CLI

OpenAPI

HTTP

MCP

1from apify_client import ApifyClient
2
3# Initialize the ApifyClient with your Apify API token
4# Replace '<YOUR_API_TOKEN>' with your token.
5client = ApifyClient("<YOUR_API_TOKEN>")
6
7# Prepare the Actor input
8run_input = {
9    "target_url": "https://example.com",
10    "device": "mobile",
11}
12
13# Run the Actor and wait for it to finish
14run = client.actor("magebase/core-web-vitals-regression").call(run_input=run_input)
15
16# Fetch and print Actor results from the run's dataset (if there are any)
17print(f"💾 Check your data here: https://console.apify.com/storage/datasets/{run.default_dataset_id}")
18for item in client.dataset(run.default_dataset_id).iterate_items():
19    print(item)
20
21# 📚 Want to learn more 📖? Go to → https://docs.apify.com/api/client/python/docs/quick-start

Core Web Vitals Regression Alerter API in Python

The Apify API client for Python is the official library that allows you to use Core Web Vitals Regression Alerter API in Python, providing convenience functions and automatic retries on errors.

Install the apify-client

$pip install apify-client

Other API clients include:

Core Web Vitals Regression Alerter API in JavaScript

Core Web Vitals Regression Alerter API through CLI

Core Web Vitals Regression Alerter OpenAPI definition

Core Web Vitals Regression Alerter API

Bulk Core Web Vitals & PageSpeed Audit

webdatatools/core-web-vitals-audit

Bulk Core Web Vitals and PageSpeed audit: Lighthouse performance, SEO and accessibility scores, LCP, CLS, INP, TBT and the top fixes — one row per URL and device.

Murat Uzun

Web Vitals Reporter

pattonholdings/web-vitals-reporter

Measure Core Web Vitals for any URL in a real Chromium browser: LCP, CLS, INP, FCP, TTFB with Google good/needs-improvement/poor ratings and A-F grade. Use for performance audits, SEO checks, competitor benchmarks. Input: url or urls[]. Output: JSON metrics.

Coleton Patton

Lighthouse Batch Auditor — Performance, SEO & Core Web Vitals

accurate_pouch/lighthouse-auditor

Batch Lighthouse audits via Google PageSpeed Insights API. Performance, SEO, accessibility scores + Core Web Vitals (LCP, FID, CLS) for 100s of URLs. 3 audits free per run.

Manchitt Sanan

Google PageSpeed Bulk Auditor - Lighthouse at Scale

wetyr_corporation/google-pagespeed-bulk-auditor

Run Google PageSpeed Insights (Lighthouse) on hundreds of URLs at once. Performance, accessibility, SEO scores plus Core Web Vitals (LCP, FID, CLS, INP). For SEO teams and web agencies.

WETYR

PageSpeed Insights - Core Web Vitals & Real User Metrics

alizarin_refrigerator-owner/pagespeed-insights

PageSpeed Insights actor uses Google's PageSpeed Insights API to get: Real-World Field Data from Chrome UX Report (CrUX) Lab Data from Lighthouse Core Web Vitals - LCP, FID/INP, CLS, FCP, TTFB, TBT Performance Scores - 0-100 scores for Performance, Accessibility, Best Practices, SEO Mobile & Desktop

The Howlers

Vercel Analytics Exporter

alizarin_refrigerator-owner/vercel-analytics-exporter

Export Core Web Vitals and performance data from Vercel Analytics. Track LCP, FID, CLS, TTFB across deployments and generate SEO-ready performance reports. Core Web Vitals Export Percentile Data Traffic Analytics Deployment Comparison Multiple Export Formats Status Classifications

The Howlers

Bulk Lighthouse & Core Web Vitals Audit — Page Speed

fetchbase/website-performance-audit

Measure real performance in a live browser: Core Web Vitals (LCP, CLS, FCP, TTFB), page weight and request breakdown by type, third-party load, DOM size, and prioritized speed opportunities with fixes. Returns a 0–100 score. Charged per page — no startup fee.

Fetchbase

Site Performance Lookup: PageSpeed Score & Core Web Vitals

accountable_eel/site-performance-lookup

Real Google PageSpeed Insights score and Core Web Vitals (LCP, CLS, FCP, TBT, Speed Index) for any domain or URL, one flat row per page. A per-domain enrichment column for lead lists, not a multi-page audit. Runs on Google's official PSI v5 API. Bring your own free key for a higher rate limit.

Adrian Voss

Website Performance Analyzer — Speed Test & Core Web Vitals

scrapeworks/website-performance-analyzer

Test website speed for any list of URLs: TTFB, load time, page weight, compression, redirects, caching and security headers — with a transparent 0-100 score and findings. Optionally adds the Google Lighthouse score and Core Web Vitals (FCP, LCP, CLS, TBT) via PageSpeed Insights.

Nicolas van Arkens

Core Web Vitals Checker - Bulk PageSpeed & CrUX Reports

eliai/core-web-vitals-checker

Bulk Core Web Vitals audits via the official PageSpeed Insights API: score, LCP, CLS, TBT + real-user CrUX assessment per URL. $0.01/report, no start fee. Failed URLs are free.