seo-checker

Audit web pages for SEO issues using a real browser.

Updated Apr 9, 2026

Search Tags:#performance #audit #canonical #seo #browser #structured-data #meta-tags

Ready to run

npx skills add https://github.com/sharondevs/job-auto-apply --skill seo-checker

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: seo-checker
Source: https://github.com/sharondevs/job-auto-apply/tree/main/server/skills/seo-checker
Command: npx skills add https://github.com/sharondevs/job-auto-apply --skill seo-checker

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Audit web pages for SEO issues using a real browser — rendered meta tags, actual heading structure, real schema markup, mobile viewport behavior. This skill is read-only: observe and report, don't modify.

Core Features & Use Cases

Phase-based SEO review: source review, rendered meta tags, heading hierarchy, image alt text, structured data, and mobile/performance signals.
Automated reporting: produces a scored report with findings and fixes suitable for developers and marketers.
Use Case: Run an SEO audit on a product landing page to identify missing meta descriptions and broken schema.

Quick Start

Begin by loading the target URL and initiating the SEO audit with the real-browser workflow.

Frequently Asked Questions about seo-checker

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

FAQPage Schema

How do I run an SEO audit on a dynamically rendered web page?▼

This SEO audit tool uses a real browser to render dynamic content before checking meta tags, heading hierarchy, and structured data. It enforces browser_start to load JavaScript-rendered pages and reports missing canonical URLs or broken schema.

Can I check JSON-LD structured data and meta tags on a live product landing page?▼

Yes, you can validate JSON-LD structured data and meta tags on a live page. The audit checks OG tags, canonical URLs, and schema markup validity from the real browser-rendered DOM to identify missing or broken structured data.

What does a real-browser SEO audit check that static crawlers miss?▼

A real-browser SEO audit evaluates actual mobile viewport behavior, rendered meta tags, and real schema markup that static crawlers miss. It targets dynamically loaded content to verify the final heading structure and structured data.

Do I need a browser extension to audit mobile performance and headings?▼

Yes, you need the hanzi browser extension to audit mobile performance and headings. The tool enforces this extension alongside browser_start to render dynamic content and evaluate mobile viewport behavior.

What is the best way to detect missing meta descriptions and broken schema?▼

The best way to detect missing meta descriptions and broken schema is a phase-based SEO review using a real browser. This automated process produces a scored report with findings and fixes suitable for developers and marketers.

Does this SEO audit modify my web pages or change any site settings?▼

No, this SEO audit is strictly read-only and does not modify your web pages or site settings. It observes and reports on rendered meta tags, structured data, and mobile performance signals without making changes.