Optimizing Performance for Websites
April 16, 2026
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Introduction
Speed is a design decision long before it is an engineering one. The heaviest pages are usually the ones where nobody asked what an asset was for.
The good news is that most sites carry a small number of large problems rather than a large number of small ones.
Find The Real Bottleneck
Before optimising anything, measure. Most teams spend effort on scripts that cost milliseconds while an unoptimised hero image costs seconds.
The Changes That Actually Move The Needle
A short list of fixes accounts for the majority of real-world gains, and none of them require rebuilding the site.
Highest Impact First
Serve correctly sized, modern-format images
Defer anything not needed for first paint
Cut third-party scripts that nobody owns
Preload the fonts you actually use
Cache aggressively at the edge
Perceived Speed Matters Too
A page that shows structure immediately feels faster than one that waits and then appears all at once. Skeleton states and stable layouts buy real patience.
Keeping It Fast
Performance regresses quietly. Budgets in CI and a monthly check keep a fast site fast after the launch excitement fades.
Design Impact
Reduction In Load Time
Lower Bounce Rate
More Pages Per Visit
