Image SEO: Alt Text, File Names, and Sitemaps

·5 min read
SEOAlt TextImages
Mike Johnson· SEO Specialist

Image SEO Checklist

  • Descriptive file names: red-leather-sofa-living-room.webp not IMG_1234.webp
  • Alt text: Describe the image content naturally, include relevant keywords
  • Image sitemaps: Include image URLs in your XML sitemap
  • Structured data: Use Schema.org ImageObject for rich results
  • Page speed: Optimize image sizes for Core Web Vitals

    • Alt Text Best Practices

  • Be descriptive and specific
  • Keep under 125 characters
  • Don't start with "Image of" or "Picture of"
  • Include keywords naturally, don't stuff

    • File Format Impact

    Search engines prefer fast-loading pages. Using WebP/AVIF instead of JPEG/PNG directly improves your page speed score, which is a ranking factor.

    Related Guides

  • Core Web Vitals Image Guide
  • Image Optimization for WordPress

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