Why Website Speed Matters More Than Ever
Google has made page speed a direct ranking factor. Beyond SEO, the business case is clear: every 100ms delay in page load time can reduce conversion rates by 1%. For an e-commerce store doing BDT 10 lakh per month, that's a significant revenue impact.
Core Web Vitals — LCP (Largest Contentful Paint), FID/INP (Interaction to Next Paint), and CLS (Cumulative Layout Shift) — are now key metrics Google uses to evaluate user experience and ranking.
Image Optimization
Images are typically the largest contributors to page weight. Key techniques: serve images in WebP or AVIF format (40-50% smaller than JPEG/PNG), use responsive images with srcset, implement lazy loading for below-the-fold images, and compress all images before uploading.
Caching Strategy
Implement aggressive browser caching for static assets (CSS, JS, images) with long cache lifetimes. Use server-side caching for dynamic content. For WordPress sites, plugins like WP Rocket or W3 Total Cache handle this automatically.
Using a CDN
A Content Delivery Network (CDN) serves your static assets from servers closest to your users. For websites targeting users in Bangladesh, a CDN with edge nodes in Singapore or Mumbai will dramatically reduce latency. Cloudflare's free plan is an excellent starting point.