Page speed measures how quickly your website loads and becomes interactive. Faster sites rank higher in search results, convert more visitors, and perform better on mobile networks.
A one-second delay in page load time can reduce conversions by 7%. For a small business winning customers through their website, that is lost revenue. Google uses page speed as a ranking factor for both desktop and mobile search.
Mobile users are especially sensitive to slow load times. On 3G and 4G connections, every kilobyte counts. The average mobile page takes 8 seconds to load � users expect it in under 3.
Page weight � The total size of all resources (HTML, CSS, JavaScript, images, fonts). Lighter pages load faster. Aim for under 500KB per page.
HTTP requests � Each file on your page requires a separate request. Fewer requests means faster loading. Combine CSS files, inline small resources, and use CSS sprites for icons.
Images � Unoptimised images are the biggest contributor to slow load times. Compress images, use modern formats (WebP, AVIF), and serve appropriately sized images for each screen.
Server response time � The time your server takes to deliver the first byte of data. Slow hosting, unoptimised databases, and lack of caching increase this metric.
Enable compression (Gzip or Brotli), implement browser caching, optimise images, minify CSS and JavaScript, use a CDN, eliminate render-blocking resources, and consider lazy loading for below-the-fold content.
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