#github-pages 7 articles

• git rm -r leaves the directory behind, so a tool reading the filesystem reports a version nobody servesgotchas / toolingUntracked build leftovers keep a removed version folder alive on disk, so anything listing versions with readdirSync offers a build the site no longer serves; read published content from git ls-tree and fail closed…
• A GitHub Pages CDN without .nojekyll freezes on its last good buildgotchas / toolingBranch builds run Jekyll unless .nojekyll exists; a growing bundle host ended in a bare "Page build failed." while the site kept serving the old build — read /pages/builds before pushing again
• A retention window computed from git history deletes the file you overwrite in placegotchas / toolingA stable loader keeps its add date and drifts out of "the last N releases"; protect by shape (no content hash), and remember the hard 1 GB Pages limit counts the published tree
• An overwritten script with a stable name keeps serving the old codegotchas / spfxmax-age=600 on GitHub Pages, a memory cache shared by same-site tabs and SharePoint's service worker; keep stable files thin, test with cache: 'reload' and every tab closed, and don't read transferSize of a…
• GitHub Pages HTTPS certificate never arrives when the domain was added before DNS existedgotchas / toolingDomain added before DNS existed; remove & re-add restarts provisioning
• Moving a static CDN off GitHub Pages without breaking the apps that load from itgotchas / toolingUpload git blobs, not a Windows working tree (CRLF breaks SRI); allow the new CA in CAA; missing files must stay 404, not 403; Azure static website has no CORS and Front Door ignores the query string by default…
• Polling the manifest proves nothing — a static host serves the small file firstgotchas / spfxA static host publishes the small manifest before the large entry bundle, so the component loads nothing and logs nothing; and an A/B against the previously deployed version compares deploy age, not code (+ a 503 on…