Image Optimization for the Web
Images are usually the heaviest thing on a page. These guides cover the full optimization stack — format, compression, alt text, lazy loading and delivery — to protect your Core Web Vitals and SEO.
How to Optimize Images for SEO: Complete Checklist for 2026
A complete image SEO guide: file names, alt text, compression, formats (WebP/AVIF), lazy loading, structured data, and how fast images improve your Core Web Vitals score and Google rankings.
Image SEO Checklist: 12 Things Most Sites Get Wrong
Image search drives 20-30% of total search traffic for many sites. Most miss easy wins — descriptive filenames, correct dimensions, lazy loading, structured data. Here's the full checklist.
Image Alt Text Guide: How to Write Alt Text for SEO & Accessibility
Complete guide to writing image alt text for SEO and accessibility. Learn the rules, common mistakes, and best practices for alt attributes that help both users and search engines.
How to Optimize Images for Mobile: Speed Up Your Site on Phones
Optimize images for mobile to improve page speed and Core Web Vitals. Use WebP format, compress to under 100KB, resize to max 800px wide, and enable lazy loading for faster mobile experiences.
Image CDN Optimization: Cloudflare Images vs Cloudinary vs imgix
On-the-fly resizing, format conversion, and edge delivery — a practical comparison of image CDN services for different traffic patterns and budget constraints.
Image Lazy Loading: Native, Intersection Observer, and LCP Traps
loading="lazy" is one attribute but the implementation details matter enormously. Here's when to use native lazy loading, when to use JS, and the LCP trap that kills Lighthouse scores.
WordPress Image Optimization 2026: Reduce File Size Before Uploading
Optimize images for WordPress to speed up your site and improve Core Web Vitals. Best dimensions, formats, and compression settings. Pre-optimize in your browser before uploading — no plugin required.
Responsive Images with srcset and sizes: The Complete 2026 Guide
srcset, sizes, picture element, and art direction — how browsers pick the right image for each device, and how to write the markup that saves 40–70% of image bytes on mobile.