Lazy Load Review Images for Speed

Photo reviews are powerful social proof but can destroy your page speed if loaded eagerly. A product page with 20 customer photos loading simultaneously adds megabytes to initial page weight and competes with critical content for bandwidth. The result is a slower Largest Contentful Paint, worse Core Web Vitals scores, and lower conversion rates — the opposite of what reviews are supposed to achieve.

Lazy loading is the fix. Review images should only load when they enter or approach the viewport. Since review sections are typically below the fold, lazy loading means they add zero weight to the initial page load. The shopper sees your product images and description instantly, and review photos load seamlessly as they scroll down.

For implementation, use the native HTML loading="lazy" attribute on review images, or use Intersection Observer for more control over loading thresholds. Ensure your review widget supports lazy loading — many popular review apps do not, which is one of the reasons they slow down product pages.

Eevy AI renders review sections with built-in lazy loading and optimized image delivery through its CDN. Photos are served in modern formats (WebP/AVIF) at appropriate sizes for each device, ensuring your review photos enhance conversion without degrading performance.