Core Web Vitals Category
55 tools ยท updated 2026-09-13
Browse 55 tools tagged with Core Web Vitals (category). Filter by pricing, platform, language and more. The list below shows every tool matching this category. Each entry links to a full page with pricing, platforms, integrations, and API availability.
All 55 tools
- ๐ก๏ธ Sentry Performance
Monitoring tool that links code errors to performance regressions in Core Web Vitals
freemiumAPI - โก Cloudflare Early Hints
Speeds up page loads by sending hints to browsers about critical assets before the full response
free - ๐ก๏ธ Cloudflare Observatory
Integrated performance suite within Cloudflare that monitors and optimizes Web Vitals for sites
freemiumAPI - ๐๏ธ Perfmatters
Lightweight WordPress optimization plugin that focuses on disabling unnecessary scripts to speed up sites
paid - ๐ผ๏ธ TwicPics
Real-time image and video processing service that optimizes media delivery for better CWV
freemiumAPI - ๐ Web Vitals Vercel Integration
Automated dashboard specifically for Next.js users to track field data for Core Web Vitals
free - ๐จ Next/Image
Framework component for Next.js that automatically optimizes images for improved LCP and CLS
open-sourceAPI - ๐ฆ Preact
Fast 3kB alternative to React with the same ES6 API, significantly improving bundle size and speed
open-sourceAPI - ๐งฉ Fastify
Extremely fast and low overhead web framework for Node.js, built for performance
open-sourceAPI - ๐งฌ Web Vitals Library
A tiny modular library for measuring all the Web Vitals metrics on real users in the field
open-sourceAPI - ๐จ Critical
Extracts and inlines critical-path CSS to improve First Contentful Paint and rendering speed
open-sourceAPI - ๐งฉ PurgeCSS
Tool to remove unused CSS from your project which helps in improving Largest Contentful Paint (LCP)
open-sourceAPI - ๐ต๏ธ Web Vitals Extension
Chrome extension for measuring Core Web Vitals in real-time while browsing your website
open-source - ๐ก Lighthouse CI
Automated tool to run Lighthouse in CI/CD pipelines to prevent performance regressions during deployment
open-sourceAPI - ๐งช SiteSpeed.io
Open-source tool suite that helps you measure and monitor the performance of your web pages
open-sourceAPI - ๐ ๏ธ Critters
A Webpack plugin to inline your critical CSS and lazy-load the rest to improve FCP
open-sourceAPI - ๐ต๏ธ Boomerang
A JavaScript library that measures the performance of your website from the user's experience
open-sourceAPI - ๐ HTTP Archive
A collaborative effort to track how the web is built, providing deep data on performance trends
free - ๐ Akamai CloudTest
Scale testing for websites to see how performance and CWV hold up under massive traffic spikes
paidAPI - ๐งช Akamai Page Integrity
Protects user experience by monitoring and managing script behavior that could impact performance
paidAPI - ๐ฆ Akamai mPulse
Real User Monitoring (RUM) that collects performance data from actual visitors to diagnose CWV issues
paidAPI - ๐ Calibre
Comprehensive performance monitoring platform with automated reporting and budget alerts for teams
paidAPI - โก CloudFront Functions
Lightweight edge functions to manipulate requests and improve performance at the edge
paidAPI - ๐ผ๏ธ Cloudinary Website Speed Test
Image-centric performance audit tool that identifies how media assets affect Core Web Vitals
free - ๐ Datadog RUM
Comprehensive enterprise observability including Core Web Vitals tracking for real user sessions
paidAPI - โก Fastly Performance Optimizer
Edge-based image and code optimization services to minimize latency and improve CWV
paidAPI - ๐ฅ GTmetrix
Popular performance analysis tool providing detailed grades and recommendations for speed improvements
freemiumAPI - โก Gatsby Cloud (Netlify)
Optimized platform for Gatsby sites that automatically handles many Core Web Vitals requirements
freemiumAPI - ๐ธ ImageOptim
Desktop application that optimizes images to reduce load times and improve LCP and overall speed
open-source - ๐ฑ MobiReady
Testing tool specifically designed to check website performance and mobile-readiness for CWV compliance
free - ๐ New Relic Browser
Real-time insights into frontend performance and user experience with deep CWV support
paidAPI - ๐ Pingdom Speed Test
Reliable web performance testing tool providing a breakdown of page load times from global locations
freemiumAPI - ๐ Quic.cloud
CDN specifically optimized for WordPress and LiteSpeed servers to maximize CWV scores
freemiumAPI - ๐ฆ SolarWinds Pingdom
Enterprise-grade uptime and performance monitoring that includes Core Web Vitals alerting
paidAPI - ๐ฐ๏ธ Uptrends Page Speed
Continuous monitoring of Page Speed and Core Web Vitals from various global checkpoints
freemiumAPI - ๐ Zabbix Performance
Enterprise monitoring solution that can be configured to track website performance metrics
open-sourceAPI - ๐ Crux.vis
A clean dashboard for visualizing your domain's historical Chrome User Experience Report data trends
free - ๐ CLS Visualizer
Chrome extension that overlays Cumulative Layout Shift areas directly on your webpage
open-source - ๐ป BatchSpeed
Batch testing tool for Lighthouse and PageSpeed Insights to analyze multiple URLs simultaneously
freemium - ๐ ContentVis
Visual tool to identify which DOM elements are causing Cumulative Layout Shift (CLS) during load
freemium - ๐ ๏ธ Layout SERP
Specialized tool for simulating and fixing Cumulative Layout Shift (CLS) issues on mobile and desktop
free - ๐ PageSpeedPlus
Bulk PageSpeed Insights testing and monitoring with automated reports for SEO agencies
paidAPI - ๐ก๏ธ Request Metrics
Simple real-user monitoring (RUM) that alerts you when your site becomes slow for actual visitors
paidAPI - ๐ Specto
Performance monitoring for mobile apps, ensuring that web views and native elements are fast
paidAPI - ๐ต๏ธ SpeedVitals
Advanced Web Vitals testing tool with support for various devices and locations across the globe
freemiumAPI - ๐ฆ WebVitals.dev
Simple testing playground to check how specific code snippets affect Core Web Vitals metrics
free - ๐ Grip
Command-line tool for visualizing how GitHub Readmes look, but often used for performance profiling local docs
open-source - โก Instant.page
Small script that preloads links on hover to make page navigation feel instantaneous for users
open-source - ๐ Perfume.js
Telemetry library for measuring First Paint, LCP, and FID and reporting them to your analytics
open-sourceAPI - ๐ฆ Bundlewatch
Monitor your app's bundle size in your PRs to ensure performance doesn't degrade over time
open-sourceAPI - ๐ Yellow Lab Tools
Open-source online test that detects performance smells and front-end code quality issues
open-source - ๐ Web Vitals Report
A tool that generates a visual report of your site's performance using GA4 data
free - ๐ง Font-Style-Matcher
Tool to help align fallback fonts with web fonts to reduce Cumulative Layout Shift (CLS)
free - ๐ง Request Map
Tool that visualizes third-party requests and their impact on site performance and load times
free - ๐ Lighthouse Metrics
A web tool that runs Lighthouse from different regions to see global performance variations
free
Frequently asked questions
What are the best tools for Core Web Vitals?
Top picks include Sentry Performance, Cloudflare Early Hints, Cloudflare Observatory, Web Vitals Library, Pingdom Speed Test. Atlas lists 55 options.
How much do Core Web Vitals tools cost?
Pricing varies: 12 free, 11 freemium, 13 paid.
Which platforms support Core Web Vitals tools?
web, api, cli, browser-extension, desktop, mobile-app