Best format guide

Best Image Format for Web Performance

Use WebP by default for web image delivery with JPEG/PNG fallbacks.

Recommendation

Recommendation

WEBP

WebP balances strong compression and broad modern browser support for most web image workloads.

image/webp

AVIF

Use AVIF when aggressive size reduction matters and client support is confirmed.

Dateien: 4

JPEG

Use JPEG for broad legacy compatibility and photo-heavy catalogs.

Dateien: 6

Decision factors

Decision Factors

Entscheidungsfaktoren

  • Target browser/device support matrix.
  • Expected quality at production compression settings.
  • Transparency and animation requirements.
  • CPU cost of encode/decode in your pipeline.

Haeufige Fehler vermeiden

  • Shipping a single format to all clients without fallback behavior.
  • Comparing formats at mismatched quality levels.
  • Ignoring decode-time regressions on low-power devices.
FAQ

FAQ

Was ist die primaere Empfehlung in diesem Guide?

WEBP ist die empfohlene Standardwahl fuer diesen Anwendungsfall.

Wie sollten Teams diese Formatwahl validieren?

Nutzen Sie Beispiel-Fixtures und Manifest-Endpunkte, um Kompatibilitaet, Performance und Konvertierungsverhalten unter produktionsnahen Bedingungen zu pruefen.