Isaac Specter

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Announcing Cloudflare Image Resizing: Simplifying Optimal Image Delivery

Announcing Cloudflare Image Resizing: Simplifying Optimal Image Delivery
Announcing Cloudflare Image Resizing: Simplifying Optimal Image Delivery

In the past three years, the amount of image data on the median mobile webpage has doubled. Growing images translate directly to users hitting data transfer caps, experiencing slower websites, and even leaving if a website doesn’t load in a reasonable amount of time. The crime is many of these images are so slow because they are larger than they need to be, sending data over the wire which has absolutely no (positive) impact on the user’s experience.

To provide a concrete example, let’s consider this photo of Cloudflare’s Lava Lamp Wall:

Announcing Cloudflare Image Resizing: Simplifying Optimal Image Delivery Announcing Cloudflare Image Resizing: Simplifying Optimal Image Delivery

On the left you see the photo, scaled to 300 pixels wide. On the right you see the same image delivered in its original high resolution, scaled in a desktop web browser. They both look exactly the same, yet the image on the right takes more than twenty times more data to load. Even for the best and most conscientious developers resizing every image to handle every possible device geometry consumes valuable time, and it’s exceptionally easy to forget to do this resizing altogether.

Today we are launching a new product, Image Resizing, to fix this problem once and for all.

Announcing Image Resizing

With Image Resizing, Cloudflare Continue reading