Image CDN

Optimize images on-the-fly

Uploadcare Image CDN comes with an intuitive URL API that provides multiple chainable operations to optimize an image on the fly right before it’s delivered to your users.

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Documentation

Boost page loading speed

Images are heavy, but they don’t have to be

Today, users typically spend just 47 seconds on a webpage. Optimize images and enhance loading speed to ensure this precious time isn’t wasted.

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Cut 80% of image size

On average, images account for 51%According to HTTP Archive reports. of a page size. Optimize them and reduce their weight by up to 80%.

Adaptive quality

The quality level is automatically adjusted for each image for maximum compression with no visible artifacts.

Auto format

The CDN chooses the optimal format based on the user’s browser: AVIF, WebP or fallback to JPEG or PNG.

Responsive image components

Hundreds of assets, automated

Having 20Median number of image requests, according to HTTP Archive. responsive images on a page means dealing with 120 assets, considering three breakpoints and support for two pixel densities. This is by no means a manual task.

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<!DOCTYPE html>

<script
  src="https://cdn.jsdelivr.net/npm/@uploadcare/blocks@0.39.0/web/lr-img.min.js"
  type="module"
></script>

<style>
  lr-img {
    --lr-img-pubkey: "364c0864158c27472ffe";
    display: contents;
  }

  lr-img > img {
    transition: 1s;
  }

  lr-img > img[unresolved] {
    opacity: 0;
    transform: scale(0.8);
  }
</style>

<lr-img
  width="100%"
  src="https://uploadcare.github.io/blocks/assets/media/kitten.jpg?absolute"
>
</lr-img>

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Reviews

“My migration from Imgix to Uploadcare is now complete. I’m very happy with the results so far. I appreciate the quality of compression and image enhancement.”