check-images

Analyze and validate web page images for accessibility and SEO compliance.

Updated Aug 23, 2026
One-click install
npx skills add https://github.com/leobrival/serum-plugins-official --skill check-images
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: check-images
Source: https://github.com/leobrival/serum-plugins-official/tree/main/plugins/html-checker/skills/check-images
Command: npx skills add https://github.com/leobrival/serum-plugins-official --skill check-images

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes scripts (resource) components.

What problem does it solve?

This Skill analyzes and validates images on web pages to ensure accessibility and SEO compliance.

Core Features & Use Cases

  • Detect missing alt attributes on images to improve accessibility.
  • Flag empty alt attributes and advise when to use alt="" for decorative images.
  • Identify images without width/height dimensions to prevent layout shifts.
  • Flag non-descriptive or generic alt text to improve SEO and user understanding.
  • Suggest image optimization and lazy-loading opportunities for performance gains.

Quick Start

Run bun src/check-images.ts https://example.com

Frequently Asked Questions about check-images

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

FAQPage Schema
How do I audit web page images for accessibility and SEO compliance?

To audit web page images for accessibility and SEO compliance, run the provided TypeScript script using Bun. It analyzes a URL and outputs structured results flagging missing alt attributes, non-descriptive text, and missing dimensions.

What is the best way to detect missing alt attributes and layout shift issues on a website?

Detecting missing alt attributes and layout shift issues is done by running an accessibility audit script. The tool flags images without width or height dimensions to prevent layout shifts and identifies missing alt attributes for screen readers.

Can I use this TypeScript script to check images across large sites or just single pages?

You can use this TypeScript script to check images across both single pages and large sites. It is designed for web QA workflows, accessibility auditing, and SEO optimization across varying scales of web properties.

Do I need Bun to run the web audit script for image validation?

Yes, you need Bun to run the web audit script for image validation. The Skill requires the Bun runtime to execute the TypeScript script located at scripts/src/check-images.ts and process the target URL.

Why does the image audit flag empty alt attributes on my web pages?

The image audit flags empty alt attributes to advise when to use alt="" specifically for decorative images. It differentiates between missing alt attributes and empty ones to ensure proper SEO and screen reader behavior.

Does the image accessibility audit suggest performance optimizations like lazy-loading?

Yes, the image accessibility audit suggests performance optimizations including lazy-loading opportunities. It analyzes images to identify optimization chances that improve page performance alongside accessibility and SEO compliance.