Check for broken links
SkillWeb & browsinglink-checker is a skill that lets an AI agent scan web pages and HTML files for broken links before they go live. It is meant for reviewing templates, rendered HTML, or shared components, and it checks the final browser-facing markup rather than just the source framework abstraction.
Available today. Use it from your connected AI after setup.
No other account needed.
Have an AI agent that can load skills.
Then ask your AI: use the Check for broken links skill
What your AI can do with it
- Scan web pages and HTML files for broken links
- Review templates for broken links
- Check rendered HTML, not just source framework abstraction
- Validate shared components for broken links
- Check links before pages go live
Getting started
- Have an AI agent that can load skills.
- Add the link-checker skill to the agent's available skills.
- Ask the agent to check a template, rendered HTML file, or shared component for broken links.
- Review the results and fix any broken links it reports.
What this skill tells your AI
The instructions your AI receives, as published by thedaviddias/front-end-checklist in skills/link-checker/SKILL.md and read by ahel’s review.
Broken links frustrate users, hurt SEO rankings (Google penalizes 404s), and damage credibility—especially for documentation and e-commerce sites.
Quick Reference
- Use lychee, linkchecker, or broken-link-checker npm packages
- Check internal, external, anchor, and mailto links
- Integrate into CI/CD for automatic detection
- Set up regular monitoring for external link rot
Check
Verify that all internal and external links are working properly and don't return 404 errors or redirect to unintended destinations.
Fix
Use automated link checking tools to identify and fix broken links, update redirected URLs, and remove or replace dead links.
Explain
Explain why broken links hurt user experience, SEO rankings, and credibility, and how to implement ongoing link monitoring.
Code Review
Review templates, server-rendered HTML, and shared components that output markup related to Check for broken links. Flag exact elements, attributes, and routes where the rendered HTML violates the rule.
For full implementation details, code examples, and framework-specific guidance,
see references/rule.md.
Rule page: https://frontendchecklist.io/en/rules/html/link-checker
Signals
- GitHub stars
- 74k
- Forks
- 7k
- Last commit
- Aug 2026
ahel review
K1binfo
installs-packages (in references/rule.md)
Automated review, not a security audit. Ruleset v1+k2.
Questions
- Does it check source code or rendered output?
- It validates the final browser-facing markup, not just the source framework abstraction.
- When should it be used?
- Use it when reviewing templates, rendered HTML, or shared components, and when checking for broken links before pages go live.
- What kinds of files can it scan?
- It scans web pages and HTML files for broken links.
Advanced
- Item type
- skill
- Key
link-checker-thedaviddias- Source
- github.com/thedaviddias/front-end-checklist