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Image Compression for the Web: Speed Up Without Losing Quality

Faster sites rank higher and convert better. Learn when to use WebP/AVIF, how to resize responsibly, and how to automate compression in your build or CMS.

Published: November 4, 2025By: INSINEX Team

Table of Contents

Pick the right formats

Prefer modern formats (WebP/AVIF) with fallbacks as needed. Use lossless only for UI assets or crisp line art.

Resize for real viewports

Never ship 4000px images into a 600px slot. Resize server-side or during build to realistic max widths.

Responsive images done right

Use srcset and sizes so browsers pick optimal variants. Lazy-load below-the-fold content.

Automate compression

Automate with CI or a CMS plugin. Keep original assets safe and regenerate variants when layouts change.

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