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seo-images

Audit image SEO issues and generate paste-ready <picture> markup.

116|28|Updated Apr 24, 2026
Search Tags:#audit#structured-data#lcp#json-ld#alt-text#webp-avif#image-seo
One-click install
npx skills add https://github.com/seranking/seo-skills --skill seo-images-seranking
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: seo-images
Source: https://github.com/seranking/seo-skills/tree/main/skills/seo-images
Command: npx skills add https://github.com/seranking/seo-skills --skill seo-images-seranking

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

Image assets are often under-optimized for SEO, accessibility, and performance, leading to missed ranking opportunities and slower pages. This Skill provides a focused, page-level (or domain-sample) audit of images to surface alt-text gaps, format coverage, responsive sizing gaps, lazy-loading signals, CLS risks, and licensable-image opportunities, and it outputs a prioritised remediation list with paste-ready markup and optional ImageObject JSON-LD.

Core Features & Use Cases

  • Per-image alt-text checks (presence, quality, length, and uniqueness), format coverage (WebP/AVIF), and responsive sizing signals (srcset/sizes), all at page or domain-sample scale.
  • Generates ready-to-paste <picture> markup alongside optional ImageObject JSON-LD blocks for licensable images, plus a prioritized remediation list for stakeholders.
  • PSI and SE Ranking cross-references are integrated when configured to enrich the image-quality signal and save engineering effort.

Quick Start

Audit the target URL or domain sample and generate a remediation package including ready-to-paste <picture> blocks and optional ImageObject JSON-LD.

Frequently Asked Questions about seo-images

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

FAQPage Schema
How do I audit image SEO issues like missing alt text and legacy formats on a URL?▼

Image SEO audits scan a URL or domain sample to identify missing alt text, legacy formats, and responsive sizing gaps. The analysis evaluates per-image attributes and outputs a prioritized remediation list with paste-ready markup fixes.

How do I generate paste-ready picture markup and ImageObject JSON-LD for images?▼

Generating paste-ready picture markup and ImageObject JSON-LD involves auditing image assets for format coverage and licensable-image opportunities. The audit outputs ready-to-paste HTML blocks alongside optional structured data for immediate implementation.

What causes cumulative layout shift CLS risks from images, and how do I fix them?▼

CLS risks from images stem from missing responsive sizing signals like srcset and sizes attributes. An image SEO audit detects these dimensional gaps and provides prioritized remediations with paste-ready markup to stabilize layout rendering.

Does this image SEO audit support WebP and AVIF format coverage checks?▼

Image SEO audits support WebP and AVIF format coverage checks by scanning page-level or domain-sample images. The analysis surfaces legacy format usage and generates ready-to-paste picture markup to implement modern, optimized formats.

Can I check lazy-loading signals and ImageObject readiness across a domain sample?▼

Checking lazy-loading signals and ImageObject readiness across a domain sample is fully supported. The audit identifies non-optimized lazy-loading on hero and content images, surfacing patterns and generating actionable remediations.

What is the best way to fix image-related SEO and performance issues at scale?▼

The best way to fix image SEO and performance issues at scale is running a domain-sample audit. It surfaces alt-text gaps, format coverage, and CLS risks, outputting a prioritized remediation list with paste-ready markup and JSON-LD.

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