Guides
Short, practical notes on image formats and page weight. No fluff, and if a technique is not worth the effort we say so.
HEIC to JPG, without the quality loss
Why your iPhone photos won't open on Windows, four ways to fix it, and which one keeps the most detail.
WebP vs AVIF vs JPEG: what to actually ship
Where each format wins, where the numbers lie, and when converting is a waste of your time.
Why your images are slowing your site down
The three mistakes behind most bad LCP scores, and how to check yours in five minutes.