performance Tag
164 tools Β· updated 2026-09-13
Browse 164 tools tagged with performance (tag). Filter by pricing, platform, language and more. The list below shows every tool matching this tag. Each entry links to a full page with pricing, platforms, integrations, and API availability.
All 164 tools
- ποΈ Next.js
React framework for building SEO-friendly web applications with server-side rendering and static generation
open-sourceAPI - π Hugo
Fastest open-source static site generator for massive SEO-ready architectures
open-source - π‘ Bun.serve
Extremely fast HTTP server and router for modern JavaScript environments
open-sourceAPI - π Nuxt
Intuitive Vue framework for server-side rendering and static site generation focusing on performance
open-sourceAPI - π¦ Meilisearch
Lightning fast open-source search engine API to improve site-search SEO and UX
open-sourceAPI - π‘οΈ Sentry Performance
Monitoring tool that links code errors to performance regressions in Core Web Vitals
freemiumAPI - β‘ K6
Open-source load testing tool for monitoring site performance under stress
open-sourceAPI - π SvelteKit Routing
Filesystem-based routing framework for building highly optimized domain paths
open-sourceAPI - π§± Vector by Datadog
High-performance observability data pipeline for collecting and transforming logs
open-sourceAPI - π¦ VitePress
Static site generator focused on documentation with superior SEO defaults
open-source - β‘ Quicklink
Open source library that speeds up subsequent page loads by prefetching in-viewport links during idle time
open-source - ποΈ Vercel
Frontend cloud platform with built-in SEO and performance monitoring
freemiumAPI - π³ Imgproxy
Fast and secure standalone server for resizing and converting remote images on-the-fly
open-sourceAPI - ποΈ Statamic (Free Core)
Flat-first CMS that is inherently SEO-friendly and fast for smaller projects
open-sourceAPI - π οΈ NGINX Unit
Versatile application server that handles routing for multiple languages in one place
open-sourceAPI - π©οΈ Cloudflare Wrangler
CLI to manage Cloudflare Workers for Edge SEO and complex redirect logic
freemiumAPI - π§ͺ CrUX API
Access real-user experience data from the Chrome User Experience Report database
open-sourceAPI - π‘οΈ Asset CleanUp
Reduces HTTP requests by disabling unused CSS/JS on specific WordPress pages
freemium - π¦ Bunny Optimizer
Simple and powerful image processing service that integrates seamlessly with Bunny CDN
paidAPI - π Bunny.net
High-performance CDN with easy setup and budget-friendly global delivery for developers
paidAPI - π Bunny.net Stream
Optimized video delivery and processing built on top of Bunny.net's global network
paidAPI - βοΈ Cloudflare Crawler Hints
Edge network feature that helps search engines crawl sites more efficiently by notifying them of updates
free - β‘ Cloudflare Early Hints
Speeds up page loads by sending hints to browsers about critical assets before the full response
free - π‘οΈ Cloudflare Logpush
Service to push Cloudflare logs to your own storage for custom SEO analysis
paidAPI - βοΈ Cloudflare Snippets
Serverless code snippets to automate SEO edge redirects and header changes
freeAPI - β‘ Core Web Vitals Overlay
Visualizes LCP FID and CLS metrics directly on the page for real-time performance tuning
free - β‘ DebugBear
Site speed monitoring tool that tracks Core Web Vitals and provides lighthouse audits
freemiumAPI - π Fastly
Programmable edge cloud platform for real-time purging and high-performance content delivery
paidAPI - π‘ Fastly Edge Compute
Programmable edge platform for real-time traffic manipulation, logic execution, and subdomain routing
paidAPI - π GCore DNS
Global Anycast DNS for low-latency domain routing and failover management
freemiumAPI - π°οΈ Gcore DNS Check
Global DNS speed and propagation test across multiple Gcore edge nodes
free - π°οΈ Gcore DNS Speed Test
Compare DNS resolution speed across different global providers
free - ποΈ Hygraph SEO
Federated content platform enabling complex SEO configurations for high-performance GraphQL APIs
freemiumAPI - β‘ ImageEngine
Content Delivery Network specializing in real-time image resizing and device-specific optimization
paidAPI - π ImageKit.io
Real-time image and video optimization with a global CDN for seamless visual delivery
freemiumAPI - π¦ LottieFiles
Platform for lightweight vector animations to improve engagement without speed loss
freemiumAPI - π Netdata Cloud
Distributed, real-time monitoring agent for your infrastructure and applications
freemiumAPI - β‘ Netlify
Cloud platform for automated deployment of SEO-optimized static sites
freemiumAPI - π§± New Relic Logs
Contextual log data integrated with application performance monitoring
freemiumAPI - ποΈ Perfmatters
Lightweight WordPress optimization plugin that focuses on disabling unnecessary scripts to speed up sites
paid - π οΈ SEOPress
Lightweight and fast SEO plugin for WordPress with white-label features and no footprint
freemiumAPI - π¨ ShortPixel Adaptive Images
Smart CDN that delivers properly sized and optimized images based on visitor's device
paidAPI - π Site24x7 China Monitoring
Synthetic monitoring from multiple Chinese cities to verify site availability and speed behind GFW
paidAPI - β¨ Vercel Image Optimization
Automatic image optimization for Next.js and other frameworks deployed on Vercel
freemiumAPI - β‘ Vercel Speed Insights
Real-user monitoring and performance tracking for modern web frameworks and core web vitals
freemiumAPI - π Gatsby
Open-source frontend framework for creating blazing fast SEO-friendly eCommerce storefronts
open-sourceAPI - π¦ Preact
Fast 3kB alternative to React with the same ES6 API, significantly improving bundle size and speed
open-sourceAPI - β‘ AMP Browser Extension
Instantly validates Accelerated Mobile Pages and provides real-time debugging for web developers
open-source - π§© Fastify
Extremely fast and low overhead web framework for Node.js, built for performance
open-sourceAPI - π Lighthouse
Open-source automated tool for improving the quality of web pages including SEO and performance
open-source - π¦ Lighthouse (A11y)
Automated auditing tool for web quality integrated into Chrome DevTools specifically for A11y
freeAPI - ποΈ Workbox
JavaScript libraries for adding offline support and power to Progressive Web Apps
open-source - πΌοΈ Squoosh
Image compression and optimization tool to reduce page load times and improve SEO
open-sourceAPI - π HAProxy
High-performance load balancer and routing software for complex domain architectures
open-sourceAPI - π Eleventy
A simpler static site generator for Node.js that focuses on zero-client-side JavaScript
open-source - π Aiohttp-Crawler
Asynchronous HTTP client for ultra-fast SEO crawling and API requests
open-sourceAPI - ποΈ Brotli
Generic-purpose lossless compression algorithm providing better SEO performance
open-sourceAPI - πΌοΈ Image-SEO-Optimizer
Bulk image optimization script using Python to reduce file size and update alt tags
open-sourceAPI - π¨ Critical
Extracts and inlines critical-path CSS to improve First Contentful Paint and rendering speed
open-sourceAPI - β‘ Puppeteer-SEO-Script
Automated SEO health checks using headless Chrome to simulate user behavior
open-sourceAPI - π§© PurgeCSS
Tool to remove unused CSS from your project which helps in improving Largest Contentful Paint (LCP)
open-sourceAPI - β‘ Prerender
Dynamic rendering service to help search engines crawl JavaScript-heavy single page applications
freemiumAPI - π§ͺ SiteSpeed.io
Open-source tool suite that helps you measure and monitor the performance of your web pages
open-sourceAPI - β‘ Pa11y
Command-line interface to run accessibility audits and monitor SEO performance
open-sourceAPI - β‘ Core Web Vitals Annotation
Adds annotations to your Google Analytics charts to highlight Core Web Vital changes
open-source - π οΈ Critters
A Webpack plugin to inline your critical CSS and lazy-load the rest to improve FCP
open-sourceAPI - π΅οΈ Boomerang
A JavaScript library that measures the performance of your website from the user's experience
open-sourceAPI - βοΈ Lxml-SEO
High-performance XML and HTML parsing for rapid technical SEO audit tools
open-source - π¦ Rsyslog
The rocket-fast system for log processing with high performance features
open-source - π΅οΈ Ghostery
Privacy extension that shows trackers and allows you to block them to see page speed impact
open-source - π°οΈ FastImage
A small Ruby library to find the size and type of a remote image without downloading the whole file
open-source - πΌοΈ Image-Optimizer-CLI
Lossless image compression via CLI to improve page speed and SEO
open-source - π PageSpeed Insights CLI
Official Google tool to wrap PageSpeed Insights API for bulk performance audits
open-sourceAPI - π§ͺ WebPageTest
Deep performance analysis providing diagnostic information about how a page loads under real-world conditions
freemiumAPI - π HTTP Archive
A collaborative effort to track how the web is built, providing deep data on performance trends
free - βοΈ Cloudflare-SEO-Worker
Python scripts for Cloudflare Workers to manage edge SEO tasks and redirects
open-sourceAPI - π± AMP Toolbox
Set of tools and libraries to help create and maintain high-performance AMP pages
open-sourceAPI - β‘ AMP for WP
Automated Accelerated Mobile Pages implementation for WordPress mobile SEO
freemium - π Akamai CloudTest
Scale testing for websites to see how performance and CWV hold up under massive traffic spikes
paidAPI - π§ͺ Akamai Page Integrity
Protects user experience by monitoring and managing script behavior that could impact performance
paidAPI - π¦ Akamai mPulse
Real User Monitoring (RUM) that collects performance data from actual visitors to diagnose CWV issues
paidAPI - π AlertSite
Comprehensive synthetic monitoring including content change alerts for enterprises
paidAPI - π Autoptimize
Optimization plugin that aggregates and minifies scripts and styles for faster loading
free - π Calibre
Comprehensive performance monitoring platform with automated reporting and budget alerts for teams
paidAPI - π Cdn77
Customer-centric CDN service with massive network capacity and dedicated support
paidAPI - π§ Chrome DevTools
Powerful web authoring and debugging tools built directly into Google Chrome
free - β‘ CloudFront Functions
Lightweight edge functions to manipulate requests and improve performance at the edge
paidAPI - β‘ Cloudflare
CDN and security provider with specialized SEO features like automatic image optimization
freemiumAPI - β‘ Cloudflare Rocket Loader
Optimization tool that improves paint times by loading JavaScript asynchronously
free - πΌοΈ Cloudinary Website Speed Test
Image-centric performance audit tool that identifies how media assets affect Core Web Vitals
free - π’ Dareboost
Performance testing and website analysis tool with step-by-step optimization tips
paidAPI - β‘ Fastly Performance Optimizer
Edge-based image and code optimization services to minimize latency and improve CWV
paidAPI - π₯ GTmetrix
Popular performance analysis tool providing detailed grades and recommendations for speed improvements
freemiumAPI - β‘ Gatsby Cloud (Netlify)
Optimized platform for Gatsby sites that automatically handles many Core Web Vitals requirements
freemiumAPI - ποΈ GeneratePress
SEO-optimized, lightweight WordPress theme built for maximum performance
freemium - π± Google AMP Test
Official tool to validate and optimize Accelerated Mobile Pages for news publishers
free - ποΈ Gzip-Checker
Verify server-side compression for SEO performance using Python's native modules
open-source - β‘ Huckabuy
Automated structured data platform that converts website content into technical SEO assets
paid - β‘ ILovePDF Metadata
Simple interface to edit PDF structural information and optimize file size for faster loading
freemium - πΈ ImageOptim
Desktop application that optimizes images to reduce load times and improve LCP and overall speed
open-source - β‘ Instant Page by WeMakeWebsites
Speeds up Shopify store navigation by pre-loading pages which improves user experience and SEO metrics
free - π KeyCDN
Simple and high-performance CDN with pay-as-you-go pricing and advanced HTTP/2 support
paidAPI - β‘ KeyCDN Cache Enabler
WordPress caching plugin with deep integration for WebP image delivery and optimization
free - π¦ Kraken.io
Robust image optimizer and compressor with a powerful API and support for bulk image processing
freemiumAPI - π± MobiReady
Testing tool specifically designed to check website performance and mobile-readiness for CWV compliance
free - π οΈ PDF2Go Web Optimization
Automatically linearizes PDFs for fast web view which allows browsers to display pages instantly
free - π PageSpeed Insights
Google tool to analyze web performance and core web vitals with actionable speed suggestions
freeAPI - ποΈ Page_Speed_Insights_API
Direct API access for automating bulk performance and Core Web Vitals audits across domains
freeAPI - π¦ Pingdom
Performance monitoring tool that includes scheduled synthetic crawling for page speed
paidAPI - π Pingdom Speed Test
Reliable web performance testing tool providing a breakdown of page load times from global locations
freemiumAPI - π Pingdom Tools
Analyze page load speed and identifying DNS or server response bottlenecks
freemiumAPI - π Quic.cloud
CDN specifically optimized for WordPress and LiteSpeed servers to maximize CWV scores
freemiumAPI - π¦ SolarWinds Pingdom
Enterprise-grade uptime and performance monitoring that includes Core Web Vitals alerting
paidAPI - π The SEO Framework
The only feature-complete SEO plugin that follows white-hat guidelines strictly
free - β‘ Treo Site Speed
Field data explorer using CrUX data to track real-user performance metrics over time
freemiumAPI - π°οΈ Uptrends Page Speed
Continuous monitoring of Page Speed and Core Web Vitals from various global checkpoints
freemiumAPI - β‘ W3 Total Cache
Advanced performance plugin for WordPress with comprehensive caching features
freemium - π WP Rocket
Premium caching plugin for WordPress to improve Core Web Vitals and PageSpeed
paid - π Zabbix Performance
Enterprise monitoring solution that can be configured to track website performance metrics
open-sourceAPI - π imgix
Real-time image processing and delivery service that optimizes images on-the-fly via URL parameters
paidAPI - π¦ Bundlephobia
Find the performance cost of adding a npm package to your web application bundles
open-sourceAPI - π§© Hydration Overlay
Debug tool for identifying hydration mismatches in SSR frameworks like Next.js and Nuxt
open-source - πΈοΈ Carbonalyser
Evaluate the environmental impact of your website based on data transfer
open-source - π£ Swetrix
Fully open-source and privacy-focused analytics with deep focus on performance and SEO tracking
open-sourceAPI - π’ Slowpoke
Open-source desktop tool to analyze and visualize website performance over time
open-source - βοΈ Site-Audit-CLI
High-performance CLI tool for technical SEO audits and dead link detection
open-source - β‘ FastSitemap Generator
Go-based high-performance CLI tool for massive sitemaps, capable of processing 100k URLs per minute
open-source - π Core Web Vitals Visualizer
Visual overlay of CWV metrics directly on the elements of your page
open-source - π EmojiFavicon
A modern utility to use any standard emoji as your website favicon with zero external assets needed
freeAPI - β‘ Auditbee
Automated website auditing and monitoring tool for technical SEO and page performance tracking
freemium - π» BatchSpeed
Batch testing tool for Lighthouse and PageSpeed Insights to analyze multiple URLs simultaneously
freemium - π Bridge Media
Media-specific CDN that optimizes image loading for mobile-first and low-bandwidth regions
paidAPI - π§ Cheetah Optimizer
Cloud-based image optimization service focusing on simplicity and high compression ratios
freemiumAPI - β‘ Hyperspeed
Automated performance optimization for Shopify stores including lazy loading and app script minification
paid - π Nitrogen
SaaS-based platform combining CDN and front-end optimization to improve Core Web Vitals
paid - β‘ Page-speed.io
Optimization tool focused on improving Core Web Vitals and speed for conversion gains
free - π Redirect.pizza
Automated redirect management tool with fast edge delivery and SSL monitoring
freemiumAPI - π‘οΈ Request Metrics
Simple real-user monitoring (RUM) that alerts you when your site becomes slow for actual visitors
paidAPI - π Specto
Performance monitoring for mobile apps, ensuring that web views and native elements are fast
paidAPI - πͺοΈ Speedy
New-age image CDN focusing on Core Web Vitals and instant LCP improvement for publishers
paidAPI - π§ StaticNinja
A lightweight image CDN specifically optimized for static site generators and Jamstack
freemiumAPI - π Stellate
Edge caching layer specifically designed for GraphQL APIs to reduce latency and server load
freemiumAPI - β‘ Swift SEO Page Speed
Focuses on Core Web Vitals for Shopify by optimizing liquid code and script delivery
freemium - π Turbo SEO
Focuses on the critical first 3 seconds of Shopify page load for SEO and conversion improvements
paid - π¦ WebVitals.dev
Simple testing playground to check how specific code snippets affect Core Web Vitals metrics
free - π§ͺ Warp
High-performance edge routing and proxy library built in Rust for ultra-fast redirection
open-source - π₯ Speed-Measure-Plugin
CLI performance measurements for build-time SEO impact analysis
open-source - π Perfume.js
Telemetry library for measuring First Paint, LCP, and FID and reporting them to your analytics
open-sourceAPI - π¦ Bundlewatch
Monitor your app's bundle size in your PRs to ensure performance doesn't degrade over time
open-sourceAPI - π§ͺ Gevent-SEO-Crawler
High-performance concurrent crawler using gevent for large scale site audits
open-source - π Yellow Lab Tools
Open-source online test that detects performance smells and front-end code quality issues
open-source - ποΈ Static Jinja
Open-source library to build static websites with Jinja2 templates
open-source - π PageXray
Analyze web page requests and resource sizes to optimize performance
open-source - π§© Extensions Manager
Toggle browser extensions on and off quickly to avoid memory bloat and conflicts
open-source - β±οΈ Page Load Time
Minimalist extension that displays the exact loading time of a webpage in the browser toolbar
open-source - π Static Site Checker
Audit tool for static site generators and JAMstack SEO
open-source - β±οΈ Tighthouse
Terminal-based Lighthouse runner for quick bulk performance audits
open-source - π§ Request Map
Tool that visualizes third-party requests and their impact on site performance and load times
free - π PageSizer
Check the uncompressed size of a webpage including all assets
open-source - π¦ Crawl-Delay-CLI
Analyze crawl budget and server response times via command line
open-source - βοΈ DocuPub
Compresses PDF documents to improve page speed scores when documents are hosted on-site
free - β‘ Fire AMP
One-click AMP generation for Shopify stores to drastically improve mobile loading and SEO rankings
paid - π Lighthouse Metrics
A web tool that runs Lighthouse from different regions to see global performance variations
free - π PDF-Light
Specialized compression algorithm designed to make large PDF reports ready for web hosting
freemium
Frequently asked questions
What are the best tools for performance?
Top picks include Cloudflare, Cloudflare Rocket Loader, Gzip-Checker, Cloudflare Snippets, Lighthouse. Atlas lists 164 options.
How much do performance tools cost?
Pricing varies: 26 free, 38 freemium, 33 paid.
Which platforms support performance tools?
web, cli, api, mobile-app, browser-extension, desktop