If your WordPress site feels sluggish, you’re not alone. Most performance problems come from the same few mistakes. Here’s a random but extremely effective tip you can apply in under 10 minutes.
Enable Lazy Loading + Serve Next-Gen Image Formats Automatically
Why it matters: Images are usually the biggest culprit for slow load times. By default, WordPress doesn’t always handle them optimally.
How to do it right now:
- Go to Settings → Media and make sure “Lazy load images” is enabled (available since WordPress 5.5+).
- Install one of these free plugins from the official WordPress repository:
- WebP Express – Great for automatic WebP conversion https://wordpress.org/plugins/webp-express/
- Imagify – Super easy one-click optimization https://wordpress.org/plugins/imagify/
- ShortPixel Image Optimizer – Excellent compression + WebP/AVIF https://wordpress.org/plugins/shortpixel-image-optimiser/
- In the plugin settings:
- Enable automatic WebP (and AVIF if available) conversion
- Set it to serve next-gen formats via .htaccess or <picture> tag
- Keep lazy loading active
- Clear your cache.
Bonus one-click improvement: Use a lightweight performance plugin to disable unused scripts and emojis. Popular free options:
- LiteSpeed Cache → https://wordpress.org/plugins/litespeed-cache/
- WP Super Cache → https://wordpress.org/plugins/wp-super-cache/
- W3 Total Cache → https://wordpress.org/plugins/w3-total-cache/
Expected result: Most sites see 20–40% faster loading and much better Google PageSpeed / Lighthouse scores after this tweak.