Link Checker Report

Summary

Errors per input

Errors in _site/hansen_singleton_1982.html

• [ERROR] https://fred.stlouisfed.org/ (at 1229:279) | Error (cached)

Errors in _site/hansen_singleton_1983.html

• [ERROR] https://fred.stlouisfed.org/ (at 1642:262) | Error (cached)

Errors in _site/phillips_drifts_volatilities.html

• [ERROR] https://fred.stlouisfed.org/series/CPIAUCSL (at 2812:72) | HTTP/2 protocol error. Server may not support HTTP/2 properly
• [ERROR] https://fred.stlouisfed.org/series/TB3MS (at 2813:142) | HTTP/2 protocol error. Server may not support HTTP/2 properly
• [ERROR] https://fred.stlouisfed.org/series/UNRATE (at 2813:37) | HTTP/2 protocol error. Server may not support HTTP/2 properly

Errors in _site/phillips_two_stories.html

• [ERROR] https://fred.stlouisfed.org/ (at 512:79) | HTTP/2 protocol error. Server may not support HTTP/2 properly

Errors in _site/two_auctions.html

• [ERROR] https://online.stat.psu.edu/stat415/book/export/html/834 (at 1092:62) | SSL certificate not trusted. Use --insecure if site is trusted

Errors in _site/zreferences.html

• [404] https://doi.org/10.1016/S0165-1889(06)80013-0 (at 302:199) | Rejected status code: 404 Not Found

Full Github Actions output

Start with the linked GitHub Actions output and inspect the eight failures in _site/hansen_singleton_1982.html, _site/hansen_singleton_1983.html, _site/phillips_drifts_volatilities.html, _site/phillips_two_stories.html, _site/two_auctions.html, and _site/zreferences.html. Verify whether each external error is transient or requires a documentation link change; done means the report no longer contains unresolved broken links.