Compress images for a faster website (without losing quality)

Images are usually the biggest bytes on a web page. A hero photo, a blog cover, and a handful of product shots can easily turn a lightweight page into a slow one. That hurts user experience, increases bounce rate, and can quietly drag down SEO over time.

This use case explains a simple workflow to compress images in a way that is easy to repeat across a team. It is designed for real publishing: you want a consistent process, predictable output formats, and files that look sharp on modern screens.

When this workflow is the right fit

Use image compression when you want to:

• Speed up landing pages and marketing sites
• Improve Core Web Vitals (especially LCP on image-heavy pages)
• Reduce bandwidth and storage costs
• Keep a consistent image delivery pipeline across CMS and static sites

A simple rule of thumb

If an image is displayed at 1200px wide on your site, shipping a 5000px wide original rarely helps. Resize first when needed, then compress. Compression alone can do a lot, but you will get the best results by combining both steps.

Step-by-step (recommended workflow)

1. Pick the right source

   • Start from the best-quality original you have (export from Figma/Photoshop, or use the camera original).
   • Avoid repeatedly re-compressing an already heavily compressed file.

2. Resize if the original is oversized

   • If you are publishing many images or you know your target width, consider resizing before compression.
   • Tool: Bulk Image Resizer

3. Compress the final asset

   • Tool: Image Compressor
   • Upload your JPG/PNG/WebP and choose a quality level that matches the use case.
   • For most websites, start around “web” quality.

4. Export modern + fallback formats

   • Download WebP for modern browsers and JPG for maximum compatibility.
   • If your site supports responsive images, keep both versions and serve WebP when possible.

5. Validate before shipping

   • Open the compressed image side-by-side with the original and look for banding, blurry text, or artifacts in gradients.
   • On retina screens, small mistakes are more noticeable.

What good results look like

A good compression outcome is not “as small as possible”. It is “as small as possible while still looking correct for the context”. A background hero can tolerate more compression than a UI screenshot with tiny text. Product photos need to preserve texture.

Common mistakes to avoid

• Compressing screenshots like photos: UI screenshots often need higher quality.
• Forgetting a fallback format: not every environment is ready for WebP-only delivery.
• Publishing oversized assets: resizing can be a bigger win than tweaking quality by 2%.

Next steps

If your pipeline is mostly WebP, you can also convert any leftover JPG/PNG assets using JPG/PNG to WebP. If you receive WebP files from clients that need compatibility, convert them using WebP to JPG.