Link Checker Report

Open

#781 opened on Jul 5, 2026 0 comments 0 reactions 0 assignees View on GitHub

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Assessment

Difficulty: 3/5
Estimated time: 1-2 days
Newbie friendliness: 58/100

Issue type: Bug
Clarity: Mostly clear
Activity status: Quiet
Tech stack: github-actions, jupyter-notebook
Domain: documentation, testing

Research direction

Inspect the failing links listed for business_cycle.html, genindex.html, prf-prf.html, and search.html, starting with the corresponding generated pages and URLs. Verify which failures are broken links versus transient FRED HTTP/2 errors, then rerun the GitHub Actions link-check output; done means the reported errors are resolved or intentionally excluded.

Written by the indexing model from the issue text.

Description

automated linkchecker report

Summary

Status	Count
🔍 Total	7950
✅ Successful	7925
⏳ Timeouts	0
🔀 Redirected	13
👻 Excluded	1
❓ Unknown	0
🚫 Errors	11
⛔ Unsupported	0

Errors per input

Errors in business_cycle.html

[ERROR] https://fred.stlouisfed.org/ | Network error: HTTP/2 protocol error. Server may not support HTTP/2 properly (error sending request for url (https://fred.stlouisfed.org/)): HTTP/2 protocol error. Server may not support HTTP/2 properly
[ERROR] https://fred.stlouisfed.org/series/CPILFESL | Network error: HTTP/2 protocol error. Server may not support HTTP/2 properly (error sending request for url (https://fred.stlouisfed.org/series/CPILFESL)): HTTP/2 protocol error. Server may not support HTTP/2 properly
[ERROR] https://fred.stlouisfed.org/series/M0892AUSM156SNBR | Network error: HTTP/2 protocol error. Server may not support HTTP/2 properly (error sending request for url (https://fred.stlouisfed.org/series/M0892AUSM156SNBR)): HTTP/2 protocol error. Server may not support HTTP/2 properly
[ERROR] https://fred.stlouisfed.org/series/UMCSENT | Network error: HTTP/2 protocol error. Server may not support HTTP/2 properly (error sending request for url (https://fred.stlouisfed.org/series/UMCSENT)): HTTP/2 protocol error. Server may not support HTTP/2 properly
[ERROR] https://fred.stlouisfed.org/series/UNRATE | Network error: HTTP/2 protocol error. Server may not support HTTP/2 properly (error sending request for url (https://fred.stlouisfed.org/series/UNRATE)): HTTP/2 protocol error. Server may not support HTTP/2 properly

Errors in genindex.html

[404] https://intro.quantecon.org/_notebooks/genindex.ipynb | Rejected status code: 404 Not Found (configurable with "accept" option)
[404] https://intro.quantecon.org/None | Error (cached)

Errors in prf-prf.html

[404] https://intro.quantecon.org/_notebooks/prf-prf.ipynb | Rejected status code: 404 Not Found (configurable with "accept" option)
[404] https://intro.quantecon.org/None | Error (cached)

Errors in search.html

[404] https://intro.quantecon.org/_notebooks/search.ipynb | Rejected status code: 404 Not Found (configurable with "accept" option)
[404] https://intro.quantecon.org/None | Rejected status code: 404 Not Found (configurable with "accept" option)

Full Github Actions output

Dominant language: Jupyter Notebook
Stars: 65
Forks: 32
Avg merge: 4d 14h
Merged PRs (30d): 6

Contributor guide

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First steps

Read the whole issue, then the project's contributing guide.
Comment on the issue to say you are picking it up — it saves two people doing the same work.
Fork the repository and make your change on a branch.
Open a pull request that references the issue number.

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