<img Decoding="async" Loading="lazy" Class="ali... May 2026 : Some WordPress themes or optimization plugins might double-up on these attributes, causing the browser to misinterpret the tag. : This tells the browser to decode the image in the background (asynchronously). Normally, a browser might stop rendering the rest of the page while it figures out how to display a large image; this attribute keeps the text and other elements moving while the image processes. <img decoding="async" loading="lazy" class="ali... To fix it, try re-inserting the image using your editor's built-in or check the Text/Code view to ensure the tag is properly wrapped in < > brackets without being escaped. : Some WordPress themes or optimization plugins might : This is a CSS class used to position the image, such as aligncenter , alignleft , or alignright . Why You Might See This Code such as aligncenter