Start with the largest assets
Oversized hero images are a common source of unnecessary page weight. Serve images at sensible dimensions, use modern formats when practical and avoid loading decorative media that is not visible or useful on smaller screens.
Keep the front end intentional
Every framework, library, font family, tracking script and widget has a cost. That cost may be justified, but it should be understood. A content website often needs much less JavaScript than an application.
Protect layout stability
Reserve space for images and dynamic elements so content does not jump as assets arrive. Stable pages feel faster and reduce accidental taps on mobile devices.
Test real page types
Do not test only the homepage. Service pages, long guides, portfolio pages and forms can have different performance characteristics. Test mobile navigation and conversion paths as carefully as visual scores.
Performance tip
A perfect score is not the business goal. Fast, stable pages that support the intended user journey are. Optimize the bottlenecks that materially affect visitors.
Hosting and caching
Compression, cache lifetimes, redirects and server configuration influence delivery even when the front-end code is efficient. Performance work should consider the full request path rather than only the HTML template.