Technical Definition
Preload () tells browsers to fetch critical resources immediately. Use for: fonts, hero images, critical CSS/JS. Improves LCP by starting downloads earlier. Don't overuse: preloading everything defeats the purpose. Prioritize truly critical resources that affect initial render.
Simple Explanation (ELI13)
Preload tells the browser 'start downloading this important file right now' instead of waiting until it normally would. Use it for things like your main image or custom fonts. It helps your page load faster. Don't preload everything though, or nothing gets prioritized.
Related Terms
Resource Hints, LCP, Performance, Critical Resources
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