domains / families / marketing / image-optimization

image-optimization

separate

When the user wants to optimize images for search engines and performance. Also use when the user mentions "image SEO," "alt text," "image captions," "figcaption," "image optimization," "WebP," "lazy loading," "LCP," "image sitemap," "responsive images," "srcset," "image format," or "hero image optimization." For CWV, use core-web-vitals.

When to use

• **Discovery & indexing**: HTML img elements, image sitemap
• **Format & performance**: WebP, responsive images, lazy loading, LCP; full CWV optimization in **core-web-vitals**
• **Metadata**: Alt text, file names, captions
• **Preferred image**: primaryImageOfPage, og:image; thumbnail next to title/description in search results
• **Structured data**: ImageObject, image in Article/Product/etc.

When not to use

• CWV

Skill page

Source