jpegoptim guides & articles
10 in-depth guides on jpegoptim and related topics.
Build pipeline tips
JPEG optimisation how-to
JPEG optimisation how-to
How to Optimize JPEG Files for Faster Web Pages
A practical, step-by-step guide to optimising JPEG files for the web by choosing the right quality, stripping metadata, optimising Huffman tables, and enabling progressive encoding.
JPEG optimisation how-to
What Is jpegoptim and How Does It Shrink JPEGs?
An introduction to jpegoptim explaining how it shrinks JPEG files through Huffman table optimisation, metadata stripping, and optional re-compression, with a step-by-step usage walkthrough.
Web performance & images
Web performance & images
Images and Core Web Vitals: Fixing LCP, CLS and INP
A guide connecting image optimisation to Core Web Vitals, showing how to fix LCP with lighter heroes, prevent CLS with image dimensions, and help INP by right-sizing files.
Web performance & images
How to Optimize Images for the Web: A Complete Guide
An end-to-end guide to optimising images for the web, covering right-sizing, format choice, intelligent compression, metadata stripping, and responsive, lazy-loaded delivery for speed.
JPEG internals
JPEG internals
JPEG Compression Explained: How the Format Works
A clear walkthrough of how JPEG compression works, from colour conversion and chroma subsampling through the DCT, quantisation, and entropy coding, and why some images compress better.
JPEG internals
Lossless JPEG Optimization: Smaller Files, Zero Loss
A guide to lossless JPEG optimisation explaining how Huffman table optimisation, metadata stripping, and progressive re-ordering reduce file size without altering any pixel data.
JPEG internals
Progressive vs Baseline JPEG: Which Loads Faster?
A clear comparison of progressive and baseline JPEG layouts, covering how each loads, file-size differences, decode cost, and when to use one over the other on the web.
JPEG internals
How to Strip EXIF Metadata From JPEG Files Safely
A guide to stripping EXIF and other metadata from JPEG files to protect privacy and reduce size, explaining what each metadata type is and what is safe to keep.