Text
Aug 2, 2026
Hierarchical vs Flat URL Structure, Taxonomy Collisions, and Multilingual Slug Design — The Slug Decisions That Last Forever
Slug architecture for content series, taxonomies, and multilingual sites involves permanent commitments — a slug embedded in inbound links can never be silently changed. Here's the hierarchical vs flat URL structure trade-off (hierarchy embeds category in URL, making recategorisation cost real), how category/tag slug collisions form when the same term appears in both taxonomies, author slug edge cases at scale (departures, pen names, duplicates), and why path-prefix multilingual URL structure beats subdomains for authority consolidation.