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.

✭ 997

javascript performance browser-extension requests analyzer performance-metrics bookmarklet webperf

Docker Yellowlabtools

🐳 Yellow Lab Tools Docker Image

✭ 30

docker docker-image webperf

Requesttracker

Track when your users get your HTTP requests

✭ 13

javascript performance-monitoring webperf

Analyze Css

CSS selectors complexity and performance analyzer

✭ 657

javascript css metrics webperf

Speedtracker

📉 Visualisation layer and data store for SpeedTracker

✭ 482

javascript performance-monitoring performance-visualization webperf

Sitespeed.io

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).

✭ 4,255

javascript Pug SCSS shell web monitoring metrics performance-analysis performance-metrics webperf performance-dashboard perfmatters sitespeed

Imageoptim Cli

Make optimisation of images part of your automated build process

✭ 3,215

typescript applescript javascript performance compress webperf optimize pngquant pngcrush jpegoptim optipng imageoptim gifsicle jpegtran image-optimisation jpegmini imagealpha pngout site-speed advpng

Sqip

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

✭ 3,074

javascript typescript performance svg image images placeholder user-experience webperf webperformance lqip perceived-performance

awesome-wpo

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

✭ 7,432

javascript CSS list awesome awesome-list webperf webperformance

craft-webperf

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

✭ 24

PHP Twig Vue javascript CSS shell tracking performance web craftcms craft-plugin error user rum webperf measurement real

image-optimisation-tools-comparison

A Benchmarking Suite for popular Image Optimisation Tools

✭ 28

typescript shell imagemagick photoshop tinypng codekit webperf imagemin imageoptim pngquant ssim kraken image-optimisation jpegmini imagealpha

lighthouse-mocha-example

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

✭ 60

javascript testing webperf lighthouse

performance-budget-plugin

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

✭ 65

javascript plugin performance webpack performance-metrics budget performance-analysis performance-monitoring perfmatters jsperf webperf webperformance gziprequests postrequests

chrome-trace

Process Chrome trace logs in Node.

✭ 15

javascript shell chrome devtools webperf tracelog

dashboard.sitespeed.io

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

✭ 43

javascript shell performance monitoring performance-monitoring webperf

lint-html-with-css

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.

✭ 35

CSS css lint html accessibility test linter a11y webperf css-snippets

jekyll-gzip

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

✭ 34

ruby shell jekyll jekyll-plugin ruby-gem rubygem performance gzip webperf

webperf-ecommerce-id

⚡️ Web Perf Comparison for E-Commerce in Indonesia

✭ 38

typescript javascript webperf webperformance lighthouse lighthouse-ci

HowSlow

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

✭ 38

javascript performance service-worker speedtest webperf

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