guide · image
Best Image Format for SEO
Which image format is best for SEO? Compare WebP, JPG, and PNG for LCP, crawling, and UX. Actionable checklist.
Updated 2026-05-21
FAQ
- Does image format affect SEO?
- Indirectly via page speed (LCP) and crawl efficiency. Smaller files improve Core Web Vitals.
- Is WebP best for SEO?
- Often yes for hero images on modern stacks with fallbacks.
- When is PNG still correct?
- Logos, UI sprites, and images requiring lossless transparency in design systems.