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33 packages found
LazyLoad is a lightweight (2.4 kB) and flexible script that speeds up your web application by deferring the loading of your below-the-fold images, videos and iframes to when they will enter the viewport. It's written in plain "vanilla" JavaScript, it leve
- lazyload
- vanilla
- responsive
- images
- picture
- srcset
- sizes
- native
- SEO
- intersectionObserver
- progressive
- performance
- perfmatters
- async
sitespeed.io is an open-source tool for comprehensive web performance analysis, enabling you to test, monitor, and optimize your website’s speed using real browsers in various environments.
Core package for the Coach.
Lighthouse plugin for sitespeed.io
GPSI plugin for sitespeed.io
Xray your HAR file and know all about the page
WebPerf plugin for sitespeed.io
Command Line Tool for CrUX Rest API
- CrUX
- CrUX API
- Chrome User Experience Report
- Chrome UX Report
- CrUX Report
- Core Web Vitals
- Web Performance
- FCP
- LCP
- FID
- CLS
- First Contentful Paint
- Largest Contentful Paint
- First Input Delay
- View more
PSI report
LazyLoad is a lightweight (2.4 kB) and flexible script that speeds up your web application by deferring the loading of your below-the-fold images, videos and iframes to when they will enter the viewport. It's written in plain "vanilla" JavaScript, it leve
- lazyload
- vanilla
- responsive
- images
- picture
- srcset
- sizes
- native
- SEO
- intersectionObserver
- progressive
- performance
- perfmatters
- async
Throttle your connection
The coach gives you advice on building a better web page
This is a fork of sitespeedio/coach. The coach gives you advice on building a better web page
Analyze the web performance of your site
Analyze the web performance of your site
Analyze the web performance of your site
Analyze the web performance of your site using Grunt
Analyze the web performance of your site
Create and compare web performance reports.
Performance measurment plugin for gulp based on Phantomas
- gulpplugin
- gulp
- perfmatters
- phantomas
- performance
- speed
- analyze
- website
- website performance tools
- website performance monitoring
- website performance metrics
- website performance optimization
- website performance analyzer