5 Proven Ways to Boost Your Website's Performance
January 18, 2026 · 4 min read
Speed is a conversion lever. Every second of delay reduces conversions by up to 7%. Here are five impactful optimisations you can start today.
Google's research is unambiguous: page speed directly impacts bounce rate, engagement, and revenue. A one-second delay in mobile load time can cut conversions by up to 20%. Here are five optimisations with the highest impact-to-effort ratio.
1. Optimise and Serve Modern Image Formats
Images account for the majority of page weight on most websites. Convert images to WebP or AVIF — modern formats that achieve 30–50% smaller file sizes at equivalent visual quality. Use the HTML picture element or Next.js Image component to serve the right format to every browser automatically.
2. Implement Lazy Loading
Images and iframes below the fold don't need to load on page open. The loading="lazy" attribute defers off-screen resources until the user scrolls near them, reducing initial payload dramatically.
3. Eliminate Render-Blocking Resources
CSS and JavaScript in the <head> block the browser from rendering the page until they are parsed. Defer non-critical scripts with async or defer, and load non-critical CSS asynchronously.
4. Enable Caching and a CDN
A Content Delivery Network serves assets from edge nodes closest to each visitor, cutting latency dramatically. Pair this with aggressive cache headers for static assets — images, fonts, and scripts rarely change and should be cached for months.
5. Minimise Third-Party Scripts
Every third-party script — analytics, chat widgets, social embeds — adds network requests and execution time. Audit your scripts quarterly. Remove anything that isn't delivering measurable value, and load the rest via a tag manager with a firing condition.
Dribblu builds performance into every project from day one. If your current site is slow, our technical audit identifies every bottleneck and prioritises fixes by impact. Book a free performance review.
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