All guides in this topic

  1. Start here17 min

    Image SEO in 2026: Alt Text, Filenames, Formats, and a Local Prep Workflow

    Image SEO in 2026 is not a single checkbox. It is a pipeline: name files so crawlers understand them, write alt text so humans and screen readers get equal acc…

  2. 3 min

    Image SEO Checklist

    Use this checklist before publishing any page with important images. Content and accessibility - Filename describes the subject with lowercase hyphens. - Infor…

  3. 3 min

    How Images Affect LCP

    Largest Contentful Paint measures when the main visible content appears. On modern pages, that content is often an image: a hero, product photo, article cover,…

  4. 3 min

    How to Fix Large Image LCP

    If Lighthouse or Search Console points at a large image LCP problem, fix it in order. Do not start by sprinkling performance hints around a 4MB hero. Make the…

  5. 4 min

    Responsive Images Guide

    Responsive images prevent phones from downloading desktop-sized files. They are one of the highest-leverage image performance improvements because they match b…

  6. 3 min

    Image Sitemap Guide

    An image sitemap helps search engines discover important images, especially when they are loaded through galleries, JavaScript, or complex CMS templates. It is…

  7. 3 min

    Best Image Sizes for Open Graph and Social Media

    Open Graph images are tiny billboards for your URLs. They appear in Slack, Discord, LinkedIn, messaging apps, and social feeds. The safest default is still 120…

  8. 7 min

    How to Optimize Images for Core Web Vitals and LCP in 2026

    Image optimization for Core Web Vitals is the highest-leverage performance work most sites skip. Google measures real user experience through three metrics — L…

Browse by card