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Articles

• 28 Jan 2020

  Performance Budgets with Lighthouse

• 14 Jan 2020

  WebAssembly: The Fourth Language of the Browser

• 30 Oct 2019

  A New Way to Prevent Layout Jank During Image Load

• 07 Aug 2019

  Lazy-Loading Lands in Chrome

• 30 Apr 2019

  Some QUIC Benefits of HTTP/3

• 28 Feb 2019

  Proposed Updates for Intersection Observer

• 22 Dec 2018

  When Users Click: Tracking First Input Delay

• 30 Oct 2018

  When JavaScript Fails

• 30 Sep 2018

  Benefits of a Mobile-Friendly Site

• 21 Aug 2018

  Give Me a Hint: webhint.io

• 29 Jun 2018

  Responding to Jank in Real Time

• 15 Jun 2018

  Introduction to WebAssembly

• 28 May 2018

  Some Recent Web Performance Case Studies

• 25 Apr 2018

  Smooth Out Low Quality Placeholders with SQIP

• 19 Apr 2018

  Using Local Overrides in DevTools

• 11 Apr 2018

  Two Tips for Using 3rd-Party Fonts

• 28 Mar 2018

  Choosing Project Performance Goals

• 21 Mar 2018

  Current Mobile Page Size and Some General Guidelines

• 09 Mar 2018

  Subsetting Fonts with Glyphhanger

• 16 Feb 2018

  Tide Hopes to Raise WordPress Performance

• 26 Jan 2018

  Determining Connection Speed with the Network Information API

• 21 Dec 2017

  Google and Mobile-First Indexing

• 08 Dec 2017

  Interactive and 'Consistently' Interactive

• 20 Nov 2017

  Making the Most of Idle Moments with requestIdleCallback()

• 27 Oct 2017

  Getting Started with the Intersection Observer API

• 26 Sep 2017

  Performance Basics: Throttling

• 06 Sep 2017

  Remembering the Cost of Evaluating and Executing Scripts

• 23 Aug 2017

  Passive Event Listeners and Scroll Performance

• 27 Jul 2017

  Optimizing Repaints

• 30 Jun 2017

  Remote Debugging

• 29 May 2017

  Linting Responsive Images

• 30 Apr 2017

  Using Chrome Dev Tools to Identify Unused Code

• 31 Mar 2017

  Google's Guetzli Promises Smaller, Better Looking JPEGs

• 28 Feb 2017

  Shining Light on Performance with Lighthouse

• 31 Jan 2017

  Upgrading Your Service Worker Cache

• 31 Dec 2016

  Got any Cache? Basic Service Worker Caching

• 29 Nov 2016

  Setting up a Service Worker

• 30 Oct 2016

  What are Service Workers?

• 30 Sep 2016

  WebP, the Other Image Format

• 31 Aug 2016

  Lazy-Loading With Low Quality Image Placeholders

• 08 Jul 2016

  Regain Control of 3rd Party Scripts

• 07 Jun 2016

  Intro to Lazy-Loading and Some Plugins To Help

• 24 May 2016

  5 Reasons To Use HTTPS

• 29 Apr 2016

  Is Using AMP Worth It?

• 14 Apr 2016

  A Few Tools for Image Optimization

• 15 Mar 2016

  Serving up Brotli with Nginx (and Automating it with Jekyll)

• 16 Feb 2016

  Speed up with Brotli

• 31 Jan 2016

  CSS Filters and Mobile Performance

• 20 Jan 2016

  Performance Stats from 2015

• 31 Dec 2015

  FLIPping Animations

• 15 Dec 2015

  Selling Performance with WPO Stats

• 26 Nov 2015

  The Business Case for Performance

• 03 Nov 2015

  Time to Get AMP'd Up

• 10 Oct 2015

  The RAIL Performance Model

• 05 Oct 2015

  How to Thrash Your Layout

• 25 Sep 2015

  Nginx with HTTP/2 has finally arrived

• 12 Sep 2015

  More Efficient Animations with requestAnimationFrame()

• 29 Aug 2015

  What the Jank?

• 21 Aug 2015

  Get Roundtrips out of the way with Preconnect Hint

• 15 Aug 2015

  Avoiding a Single Point of Failure

• 06 Aug 2015

  Avoiding the FOIT

• 16 Jul 2015

  Introduction to Web Fonts

• 07 Jul 2015

  Pages Continue to Get Bigger, Not Faster

• 18 Jun 2015

  The Value of a (Performance) Budget

• 08 Jun 2015

  Instant Articles and the Growing Necessity of Speed

• 26 May 2015

  Latency and the First Round Trip

• 17 May 2015

  The Latency Effect

• 08 May 2015

  An Overview of Speed Index and How It Measures Performance

• 02 May 2015

  Mobilegeddon and Next Steps for Mobile Optimization

• 25 Apr 2015

  Simple Ways to Speed Up Your Site, Part 2

• 18 Apr 2015

  Simple Ways to Speed Up Your Site, Part 1

• 12 Apr 2015

  HTTP/2 and Potential Implications for Website Optimization