¿Por qué importa esto?
Unoptimized images are often the largest contributor to heavy page weight. A 3 MB photo shown as a 300px thumbnail is pure waste of bandwidth and load time.
¿Cómo se soluciona?
Scale images to the maximum display size before uploading. Compress with tools like Squoosh, TinyPNG or ImageOptim. Use width and height attributes to prevent Layout Shift.
Este check puntúa de 0 a 100. Bajo 50 es un fallo, 50 a 89 un aviso, 90 o más es bueno. Tras cada crawl ve la nota por página en el informe, con una breve explicación.
Preguntas frecuentes
Checks if images are optimized for the web.
Unoptimized images are often the largest contributor to heavy page weight. A 3 MB photo shown as a 300px thumbnail is pure waste of bandwidth and load time.
Scale images to the maximum display size before uploading. Compress with tools like Squoosh, TinyPNG or ImageOptim. Use width and height attributes to prevent Layout Shift.
Ejemplo
Copie el código de abajo y adapte el dominio, la marca y el contenido a su situación.
<img
src="/images/hero-800.webp"
srcset="/images/hero-400.webp 400w,
/images/hero-800.webp 800w,
/images/hero-1600.webp 1600w"
sizes="(max-width: 768px) 100vw, 50vw"
alt="SEO dashboard for yourdomain.com"
width="800"
height="450"
loading="lazy"
>
<!-- Scale image to maximum display size before uploading -->
<!-- Use WebP/AVIF for 25-50% smaller files than JPEG -->