<img Decoding="async" Loading="lazy" Width="385... Apr 2026

Explicitly stating the width (and height) is a simple but critical step for optimizing Core Web Vitals . When you provide these dimensions, the browser can reserve the exact amount of space needed for the image before it even finishes loading. This prevents the frustrating "layout shift" where text suddenly jumps down the page as an image pops in. Why This Matters

While loading="lazy" controls when an image is fetched, decoding="async" controls how it is processed.

By prioritizing only the images "above the fold" (visible immediately), the main content of your page appears much faster. 2. decoding="async" : Smooth Out the Rendering <img decoding="async" loading="lazy" width="385...

For platforms like WordPress, these attributes are often added automatically because they provide an "insane performance boost". By combining these three elements, you aren't just making your site faster for Google; you’re making it feel instant and stable for your readers.

The loading="lazy" attribute tells the browser to hold off on downloading an image until the user actually scrolls near it. Explicitly stating the width (and height) is a

It prevents the browser from wasting data on images the user might never see if they leave the page early.

Faster Pages, Better Experience: The Power of decoding="async" and loading="lazy" Why This Matters While loading="lazy" controls when an

Before an image can appear on your screen, the browser has to "decode" the compressed file data into pixels. By default, this can sometimes block other content from appearing. Adding decoding="async" gives the browser permission to decode the image in the background, ensuring that your text and other layout elements remain responsive and smooth. 3. width="385" : Stop the "Layout Jump"