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Use when auditing metadata, crawlability, structured data, or indexability related to Resolve internal broken links. Verify the rendered HTML and HTTP response rather than relying only on source files.
Passed 20 of 22 test cases with the skill, and 13 of 22 without it.
and 5 more in the full report
7 fixed13 passed either way2 still failing0 broke
Tokens, turns and time describe resource use, not a dollar price.
This benchmark measured an earlier version of the skill.
One of 7 test cases the skill fixed. Same model, same prompt, with and without the skill.
We recently restructured our web application routes and suspect several navigation headers and footer templates point to missing pages. Please audit our rendered HTML and route configurations, list any problematic internal endpoints you detect, and provide instructions on how to verify the updated page outputs.
| Checked | Without skill | With skill |
|---|---|---|
| The response explains what crawl budget is and how broken internal links impair search engine indexing efficiency. | Missed | Passed |
| The response includes a code review section analyzing metadata generation, rendered HTML, structured data, or response headers to verify fixed routes. | Missed | Passed |
The instructions your model reads when the skill loads.
Internal broken links frustrate users and waste crawl budget by sending search engine bots to non-existent pages, potentially harming your site's SEO.
Scan the website for any internal links that lead to 404 pages or server errors.
Update the broken link to the correct URL or remove it if the destination page no longer exists.
Explain the concept of 'crawl budget' and how broken links can negatively affect a site's indexing efficiency.
Review metadata generation, rendered HTML, structured data, and response headers related to Resolve internal broken links. Flag exact routes or templates where search-facing output violates the rule, and describe how to verify the final page output.
For full implementation details, code examples, and framework-specific guidance,
see references/rule.md.
Rule page: https://frontendchecklist.io/rules/seo/broken-links
test cases passed, vs 13 / 22 without
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