Blog Template HTML Validity

Purpose

Document the HTML/template rule that prevents blog detail pages from failing at render time.

Scope

In scope: - Correct date filter usage in <time datetime="...">.

Out of scope: - Layout redesign. - Model or routing changes.

Rule

Use ISO format for datetime attributes:

{{ page.date|date:"Y-m-d" }}

Display text can use a separate human-readable format:

{{ page.date|date:"M j, Y" }}

Code locations

• Blog detail template: backend/blog/templates/blog/blog_page.html

How to verify

• make test
• Open a blog detail page and inspect the <time> element.

Failure mode to watch

Invalid Django template filter syntax will break rendering and return a server error.