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Performance3 May 20267 min read

Speed up your website: a practical checklist

A slow site quietly costs you customers. Work through these fixes, from images to caching, and most sites feel dramatically faster.

Site speed is one of those things everyone agrees is important and almost nobody measures properly. Visitors don't file a complaint when a page is slow, they just leave, and that lost traffic never shows up as an obvious problem. The good news is that most sites carry the same handful of easily fixable issues.

Start with images, because they're almost always the biggest offender. Photos exported straight from a camera or design tool can be several megabytes each. Resizing them to the dimensions they actually display at, and serving them in a modern format like WebP or AVIF, routinely cuts page weight by more than half without any visible loss in quality.

Next, look at what loads before your visitor sees anything. Render-blocking scripts and heavy third-party widgets, chat bubbles, trackers, embedded feeds, can each add hundreds of milliseconds. Load what you can lazily, defer what isn't needed immediately, and be honest about which widgets actually earn their place.

Caching is the highest-leverage change most people skip. A good caching layer means repeat visitors and returning pages are served almost instantly instead of being rebuilt from scratch every time. On managed hosting this is often a setting you simply need to switch on and configure correctly.

Finally, measure before and after with a real tool such as Lighthouse or WebPageTest, and test on a throttled mobile connection rather than your fast office wifi. Numbers keep you honest and stop you from optimising things that don't matter while ignoring the ones that do.

Work through this list top to bottom and most sites feel noticeably snappier by the end of an afternoon. If you'd rather not, performance tuning is part of every hosting plan we run, and we're glad to do the measuring for you.