This is the most essential attribute, specifying the URL path to the image. The URL prefix https://wp.com indicates the image is being served via the WordPress.com Accelerator (formerly known as Photon). This is a Content Delivery Network (CDN) that caches and serves images from WordPress-powered sites to improve loading speeds.
Serving modern formats like WebP to browsers that support them while keeping JPEGs for older ones. Best Practices for This Snippet <img width="600" height="349" src="https://i0.w...
Reducing file size without significant quality loss to save bandwidth. This is the most essential attribute, specifying the