How to reduce image file size without losing quality
A practical guide to shrinking photo file sizes for the web, email, and forms: what actually changes file size, and when to resize vs. compress.
Read guideImage optimization guides and benchmarks
Use these practical references to make better decisions about file size, responsive delivery, image formats, and browser-based processing. Each guide links to its sources, publication dates, and supporting data where available.
How to use srcset, sizes, and picture correctly
Learn how srcset, sizes, picture sources, intrinsic dimensions, and alt text fit together, then deploy a complete responsive image pack.
Read guideJPEG vs WebP in Pixo: a reproducible benchmark
Reproduce Pixo's JPEG and WebP compression measurements on a committed, synthetic image corpus with documented settings and limitations.
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