Dean

typography. A collection of web typography resources

progressive-web-apps-book. All of the code for "Progressive Apps" - a book by Dean Hume

pwa-update-available. Service Workers - New Update Available sample

lazy-observer-load. A library to lazy load images using Intersection Observer

image-beast. My 10K apart entry - A handy 1KB script that decides the leanest image format to return based on your browser.

pwa-tips-tricks. A big list of Progressive Web App tips & tricks!

html-minifier. A simple command line tool to minify your HTML, Razor views & Web Forms views

beer. The source code for the Progressive Beer app!

Service-Worker-Offline. A really, really simple offline page using Service Workers

streams. Experimenting with the Streams spec

ImageOptimizer. A collection of image optimization techniques

Service-Workers-BackgroundSync. A simple example using Service Workers & Background Sync

pwa-connection-type. A tiny service worker script to change image quality dependant on connection type (2G, 3G, etc)

SignalRUsersOnline. Get the count of users online using SignalR

Service-Workers-HTTP2-Push. An example using HTTP/2 push and Service Workers to achieve super fast load times

firebase-example. A simple firebase site example

FastASPNetWebsites. The source code for the Fast ASP.NET websites book

Service-Workers-Fetch-Timeout. A simple example using timeouts and service workers

Service-Workers-WebP. A simple example using HTTP Client Hints and Service Worker

pwa-cloudinary. JavaScript

ambient-light-sensor. Experimenting with the Ambient Light Sensor in Chrome

speedindex-test. A example page that demos the https://github.com/WPO-Foundation/RUM-SpeedIndex library

Service-Worker-Toolbox. A demo repo using the Service Worker Toolbox

http2-test. A simple test example to run HTTP2

web-share. A playground for the Web Share API

buildingstartupteams.com. The code repo for buildingstartupteams.com

real-performance-metrics. A basic performance tracker that measures first paint, first contentful paint, and time to interactive.

awesome-pwa. Awesome list of progressive web apps! (PR welcomed ;))

UpFrontConf. A site optimization example

awesome. A curated list of awesome lists

perf.rocks. Curated resources that help you build lightning fast websites

CodeGenerateMe. The source code for the website - codegenerate.me

SmushMySite. SmushMySite is an image optimization tool that takes advantage of the Yahoo Smush.it™ service. It is a quick and easy way to optimize all images on webpage, or all images on your site. It is developed in C# and WPF.

grunt-critical. Grunt task to extract & inline critical-path CSS from HTML

grunt-zopfli. A Grunt plugin for compressing files using Zopfli.

grunt-uncss. A grunt task for removing unused CSS from your projects.

seo-tool. A small SEO tool that checks your website for any broken links or missing images.

speedtracker. 📉 Web performance stats for deanhume.com

engineering-blogs.