Guides
How-tos for dummy images and image quality assurance
Short, concrete guides for developers and quality assurance — with examples you can reproduce using the tools on dummyimages.dev.
Embedding
Embed placeholder image URLs
How to embed dummy images via URL in HTML, CSS, React, and Laravel — with sizes, formats, and caching behavior.
Quality assurance
Test image upload edge cases
Quality assurance checklist: corrupted files, wrong extensions, EXIF orientation, CMYK, and metadata — using the tools on dummyimages.dev.
Formats
WebP, AVIF, and PNG in layout tests
When each format makes sense for placeholders and performance checks — and how to verify fallbacks with dummyimages.dev.