seo-images

Audit website images for SEO and performance optimization.

Updated Jun 6, 2026
One-click install
npx skills add https://github.com/dereknguyen269/Codex-SEO --skill seo-images-dereknguyen269
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: seo-images
Source: https://github.com/dereknguyen269/Codex-SEO/tree/main/skills/seo-images
Command: npx skills add https://github.com/dereknguyen269/Codex-SEO --skill seo-images-dereknguyen269

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Image optimization analysis for SEO and performance. Checks alt text, file sizes, formats, responsive images, lazy loading, CLS prevention, image SERP rankings (via DataForSEO), and image file optimization (WebP/AVIF conversion, IPTC/XMP metadata injection). Use when user says "image optimization", "alt text", "image SEO", "image size", "image audit", "optimize images", "image metadata", "image SERP", "convert to webp", or "image file optimize".

Core Features & Use Cases

  • Alt text checks across all <img> elements, ensuring descriptiveness and keyword relevance.
  • File size thresholds and format recommendations with WebP/AVIF prioritization.
  • Responsive image guidance including srcset and sizes usage; lazy loading best practices; CLS prevention.
  • DataForSEO integration for cross-domain image SERP insights and competitive benchmarking.
  • Image file optimization pipeline including metadata injection (IPTC/XMP) and format conversions.
  • Quick-start scenarios: audit a blog post or product page to identify optimization opportunities and generate an implementation plan.

Quick Start

Provide a URL to analyze its images and generate an optimization plan.

Frequently Asked Questions about seo-images

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I optimize images for SEO and improve my page performance?

Image SEO optimization involves auditing alt text, converting files to WebP or AVIF, and implementing lazy loading to reduce file sizes and improve user experience. This process analyzes image dimensions and formats to generate a tailored optimization plan for your pages.

What is the best way to audit alt text and image formats on my website?

An image audit checks all img elements for descriptive, keyword-relevant alt text and evaluates file sizes against recommended thresholds. It prioritizes modern formats like WebP and AVIF to ensure your images meet SEO performance standards.

How do I prevent Cumulative Layout Shift caused by website images?

Preventing Cumulative Layout Shift requires setting explicit image dimensions and using responsive image attributes like srcset and sizes. An image audit identifies missing dimensions and provides lazy loading best practices to stabilize visual elements during page rendering.

Can I check my image SERP rankings and compare them with competitors?

You can check image SERP rankings and compare them with competitors by integrating DataForSEO. This provides cross-domain image SERP insights and competitive benchmarking to evaluate your visual search presence against other domains.

Does this image optimization approach work for large product listings and galleries?

This optimization approach is designed for image-rich content such as product listings, galleries, and articles. It evaluates responsive image variants and metadata injection to handle large volumes of images efficiently across complex page structures.

How do I convert images to WebP and inject IPTC metadata?

Converting images to WebP and injecting IPTC or XMP metadata is handled through an image file optimization pipeline. This process transforms standard formats into WebP or AVIF files while embedding relevant metadata directly into the image file.