- Essential Image Optimization — Addy Osmani
- Image Optimization — Ilya Grigorik
- The Contrast Swap Technique: Improved Image Performance with CSS Filters — Una Kravets
- Compressive Images Revisited — Tim Kadlec
- w descriptors and sizes: Under the hood — Eric Portis
- Lazy Loading Images and Video — Jeremy Wagner
- How WebP Increases Your Web Performance — Dieter Petereit
- Lazy Loading Images for Performance Using Intersection Observer — Chris Nwamba
- The Book of GIF — rigor.com
- Tips For Optimising SVG Delivery For The Web — Sara Soueidan
- Responsive Images — Pete LePage
- High Performance Images — O'Reilly Media
- HTTP Caching — Ilya Grigorik
- A Guide to Responsive Images with Ready-to-Use Templates — Maciej Nowakowski
- Image Placeholders: Do it right or don’t do it at all. Please. — Eric Portis
- Рекомендации по разработке сайтов для людей с нарушениями зрения
- Replace Animated GIFs with Video — Jeremy Wagner
- JPEG for the horseshoe crabs β — Frédéric Kayser
- Of SVG, Minification and Gzip — Anton Khlynovskiy
- Find Out How You Stack Up to New Industry Benchmarks for Mobile Page Speed — thinkwithgoogle.com
- The need for mobile speed: How mobile latency impacts publisher revenue — DoubleClick
- Оптимизация графики на практике — Тимофей Чаптыков
- New Adventures in Responsive Web Design — Виталий Фридман
- Delivering fast and beautiful images and video — Doug Sillars