28 Open source projects that are alternatives of or similar to Compare

A fast, flexible, and small SEO-friendly lazy loader.

displays the import size of the package you are importing inside the code editor

Performance-Bookmarklet helps to analyze the current page through the Resource Timing API, Navigation Timing API and User-Timing - requests by type, domain, load times, marks and more. Sort of a light live WebPageTest.

🐳 Yellow Lab Tools Docker Image

Track when your users get your HTTP requests

CSS selectors complexity and performance analyzer

📉 Visualisation layer and data store for SpeedTracker

Sitespeed.io is an open source tool that helps you monitor, analyze and optimize your website speed and performance, based on performance best practices advices from the coach and collecting browser metrics using the Navigation Timing API, User Timings and Visual Metrics (FirstVisualChange, SpeedIndex & LastVisualChange).

Make optimisation of images part of your automated build process

"SQIP" (pronounced \skwɪb\ like the non-magical folk of magical descent) is a SVG-based LQIP technique.

📝 A curated list of Web Performance Optimization. Everyone can contribute here!

Webperf helps you build & maintain high quality websites through Real User Measurement of your website's performance

A Benchmarking Suite for popular Image Optimisation Tools

Sample using lighthouse and lighthouse-core with Mocha to run tests on your project/site.

Perfromance budget plugin for Webpack (https://webpack.js.org/)

Process Chrome trace logs in Node.

Example how to use sitespeed.io to monitor the performance of your web site

Lint HTML with CSS. A collection of CSS snippets from the hashtag #lintHTMLwithCSS on twitter. These CSS snippets intend to warn developers about common mistakes made in HTML.

Generate gzipped assets and files for your Jekyll site at build time

⚡️ Web Perf Comparison for E-Commerce in Indonesia

A Service Worker that monitors network requests to estimate bandwidth and RTT

Responsive, SVG based HAR waterfall viewer

Curated resources that help you build lightning fast websites

Headless Chromium-based web performance metrics collector and monitoring tool

Discoveries on Sustainable Loading research

前端性能指标的监控,采集以及上报。用于测量第一个dom生成的时间(FP/FCP/LCP)、用户最早可操作时间（fid|tti）和组件的生命周期性能,，网络状况以及资源大小等等。向监控后台报告实际用户测量值。

Progressive web metrics at your fingertipz