Slug Uniqueness: Preventing Collisions at Scale
How to ensure unique slugs at scale. Strategies for collision detection, auto-incrementing suffixes, and database patterns for CMS and blog platforms.
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Tags: text, developer-tools, programming
URL Slug Uniqueness: Handling Duplicate Titles in Your CMS Every content management system needs a way to handle the scenario where two pieces of content would produce the same slug. If you publish "React Best Practices" twice, both would slug to — and two pages cannot share the same URL. This guide covers the strategies for generating unique slugs at creation time and managing slugs when content is updated. --- Why Duplicate Slugs Happen Duplicate slug candidates arise in several scenarios: Same title published twice: Intentionally or by mistake. Near-identical titles: "React Best Practices" and "React Best Practices Guide" may produce the same slug after stop-word removal. Short or common titles: "Review", "Update", "Guide" — these single-word titles will conflict quickly. Mass imports:…
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