Practical advice on formats, quality settings, resizing, and page performance. No padding, no keyword stuffing — just the things that actually matter when you're trying to get a smaller file or a faster page.
The fundamental choice. Covers lossy vs lossless, transparency, photos vs graphics, browser support, and typical file-size differences — with a quick decision guide at the end.
Read guide →What the quality slider actually does, why 75–85% is the sweet spot for most photos, and how to find the right setting for your specific use case without squinting at artifacts.
Read guide →Dimensions matter as much as compression. How to pick the right max width for your context, retina screen considerations, and why resizing before compressing compounds your savings.
Read guide →Why HEIC files from iPhones and camera RAW files won't open in a browser-based tool, and what to do about each. Plus: BMP, very large files, and corrupt images.
Read guide →Images are 50–70% of average page weight. How they connect to Core Web Vitals (LCP, CLS), why format and compression choices have real SEO consequences, and a practical checklist.
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