First modernized public release of the framework-free HTML and CSS learning gallery.
Highlights
- Preserves the historical public URLs and direct
file://entry points for seamless migration. - Adds an accessible bilingual gallery, learning profile, Ultimate Field Notes, and Signal Conference examples.
- Keeps all media local and includes original social-preview, favicon, and course artwork.
- Supports Windows administration workflows without changing Windows environment variables or execution policy.
- Publishes the verified static build at https://zhaowl94.github.io/html_sample/.
Verification
- Windows: 163/163 browser tests passed.
- Ubuntu: 142/142 browser and visual tests passed.
- Static checks, 15/15 unit tests, dependency audit, external links, and Lighthouse budgets passed.
- All five public pages and three key image assets returned HTTP 200 after deployment.
Accessibility note
Keyboard behavior, automated accessibility trees, forced-colors rendering, and zoom are covered. Final spoken-output confirmation with Windows Narrator remains a documented manual check in test/manual-accessibility.md.