Why a One-Second Delay Costs You 7% of Your Revenue

Speed is not a vanity metric. Every additional second of load time measurably reduces conversions, and on mobile the effect compounds.

Images are almost always the problem Serve modern formats, size images to their display size and lazy-load anything below the fold.

Kill render-blocking resources Inline critical CSS, defer the rest, and audit every third-party script. Chat widgets and analytics tags are frequently the heaviest thing on a page.

Cache aggressively A CDN plus sensible cache headers turns repeat visits into instant loads.

Measure real users Lab scores are a guide; field data from real visitors is the truth.