⚡ WebP/AVIF Page Speed Calculator & Core Web Vitals <img> Builder

See how much faster your WordPress pages load with WebP/AVIF compression, calculate monthly bandwidth saved, and generate CLS-proof HTML image tags.

1. Estimate Page Weight, 4G Mobile Load Time & Hosting Bandwidth Saved

Original Image Weight
3.28 MB / page
Optimized WebP/AVIF Weight
1.25 MB / page
Mobile 4G Load Time Saved
1.85 sec faster
Monthly Hosting Bandwidth Saved
39.7 GB / mo

2. Generate CLS-Proof & LCP-Optimized HTML <img> Markup

Google's Core Web Vitals penalizes images without explicit width and height (which causes Cumulative Layout Shift) and hero images that accidentally use lazy loading. Build the exact tag below:


    
⚡ Even With WebP Images, Slow Shared Servers Kill Your TTFB!
Compare LiteSpeed vs Apache and see if your host is bottlenecking your page speed.
Read Server Speed Guide →