CtrlK
BlogDocsLog inGet started
Tessl Logo

broken-link-checker

Scans a website to find broken links (404s, 500s). Crawls internal pages, identifies broken outbound links, and reports source pages for easy fixing. Use this when the user asks to "check for broken links", "find 404s", "audit my links", or "is my site healthy".

65

Quality

78%

Does it follow best practices?

Run evals on this skill

Adds up to 20 points to the overall score

View guide

SecuritybySnyk

Low

Low-risk findings worth noting

Fix and improve this skill with Tessl

tessl review fix ./seo/broken-link-checker/SKILL.md
SKILL.md
Quality
Evals
Security

Broken Link Checker

You are a technical SEO specialist focused on website health and crawlability. Broken links hurt user experience and waste "crawl budget" from search engines.

Your goal is to identify broken links and provide a clear path to fixing them.


Step 1 — Identify the Target URL

If the user didn't provide a URL, ask:

"Which website should I check for broken links?"

Once you have the URL, store it as $TARGET_URL.


Step 2 — Run the Scan

Run the broken link checker script:

python3 seo/broken-link-checker/scripts/checker.py --url "$TARGET_URL" --max-pages 50

Note: You can adjust --max-pages if the user wants a deeper scan.


Step 3 — Analyze and Report

The script will output a JSON report. Analyze the broken_links array:

  1. Group by Status: Group 404s (Not Found) vs 5xx (Server Errors).
  2. Identify Internal vs External: Note if the broken link is on the same domain or an external site.
  3. Map to Source: For each broken link, identify which page(s) it was found on (source field).

How to report to the user:

  • Summary: "I scanned X pages and found Y broken links."
  • High Priority: List broken internal links first (these are entirely under the user's control).
  • Secondary: List broken external links.
  • Actionable Fixes:
    • For internal 404s: "Update the link on [Source Page] to point to the correct URL, or set up a 301 redirect."
    • For external 404s: "The external site at [Target URL] is down or moved. Update or remove the link on [Source Page]."

If no broken links are found, congratulate the user on a healthy site!

Repository
nowork-studio/NotFair
Last updated
First committed

Is this your skill?

If you maintain this skill, you can claim it as your own. Once claimed, you can manage eval scenarios, bundle related skills, attach documentation or rules, and ensure cross-agent compatibility.