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Document outline diagram showing heading hierarchy with nested semantic sections

Web Standards & HTML April 9, 2026

The HTML Document Outline: Headings, Sections, and Hierarchy

How heading levels and HTML5 sectioning elements create document structure, what the proposed outline algorithm was and why it failed, and how to build heading …

Diagram showing URL structure with labeled path segments on a clean background

Web Standards & HTML August 15, 2024

URL Design for the Long Haul

How to design URLs that stay stable for decades — slug patterns, directory depth, canonical decisions, and the technical implementation behind permanently …

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