Issues

• Issue #35 coming November 4.

• Issue #34 →

  Justifying performance using analytics, how performance choices affect usability, testing speed of Single Page Apps, Third Party tracking and more.

• Issue #33 →

  Understand WebPageTest waterfall, know the context of performance metrics, learn about the state of video and more.

• Issue #32 →

  Investigating animation performance, debugging layout instability, responsive image optimisation CDNs and more.

• Issue #31 →

  How web content affects power usage, everything you need to know about resource hints, making Instagram faster and more.

• Issue #30 →

  Tackling third-party JavaScript, rendering on the Web, why performance and accessibility have to be the baseline and more.

• Issue #29 →

  Largest Contentful Paint, why Time to First Byte matters, how annoying type delay is and more.

• Issue #28 →

  Fast software is the best software, stale while revalidate, optimising GIFs, accessible React components and more.

• Issue #27 →

  Reducing bundle size at Intercom by 65%, developing performance empathy, learning how browsers parse and render websites and more.

• Issue #26 →

  How does Google PageSpeed work and affect SEO rankings, the cost of JavaScript in 2019, find a cost of adding an npm package and more.

• Issue #25 →

  The real impact of image optimisation, gain speed with variable fonts, accessibility for everyone, implementing critical CSS and more.

• Issue #24 →

  Webfont loading in Google Fonts, Lighthouse 5.0.0, zero parse and compile for JavaScript and more.

• Issue #23 →

  Paint holding, visualising third party scripts impact, performance privilege and more.

• Issue #22 →

  Netflix’s web performance case study, new WebAssembly compiler and runtime, WASI Core and more.

• Issue #21 →

  The ethics of web performance, HTTP/3, faster promises and async functions, Google Lighthouse 4.0 and more.

• Issue #20 →

  All about Time to Interactive, WASM, How HTTPs Ruined everything, and more.

• Issue #19 →

  Native Lazy Load, Perceived performance, measuring layout and more.

• Issue #18 →

  The cost of third-party scripts, step-by-step performance auditing, fast typography with variable fonts and more.

• Issue #17 →

  Sustainable technology, the Internet’s health, Chrome reduces parse and compile by almost 40% and more.

• Issue #16 →

  Building performance culture, revenue impact calculator, lazy loading images and video, automating performance systems and more.

• Issue #15 →

  Front-end Performance Checklist, Safari and Webpack performance upgrades, PerfMatters Conference and more.

• Issue #14 →

  Fontastic web performance, async CSS, why performance efforts fail and more.

• Issue #13 →

  Realistic performance budgets, new HTTP Archive, the cost of JavaScript and more.

• Issue #12 →

  Essential image optimization, web fonts without JavaScript, the cost of ads and more.

• Issue #11 →

  The Critical Request, Facebook news feed changes and more.

• Issue #10 →

  WebAssembly, base64, preload prefetch and more.

• Issue #9 →

  Lighthouse in Chrome Canary, PWA Stats, Article Performance Leaderboard and more.

• Issue #8 →

  JavaScript start-up performance, state of global connectivity, data-saving apps and more.

• Issue #7 →

  Redesigning browser history, Cloudfront HTTP/2, image metadata and more.

• Issue #6 →

  requestIdleCallback, Netflix A/B testing, QUIC Protocol and more.

• Issue #5 →

  Important changes to Typekit, UI design, Delta caching and more.

• Issue #4 →

  Real world http/2, font loading strategies, image compression and more.

• Issue #3 →

  Brotli compression, High performance networking, Mutation Observer tips and more.

• Issue #2 →

  #perfmatters poster, AMP project news, Safari 10 and more.

• Issue #1 →

  Designing for performance, Chrome 51, JPG compression and more.