Slug Uniqueness Strategies: Preventing Collisions in Content-Heavy Sites
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. Strategy 1: Incrementing Numeric Suffix The simplest approach: append , , and so on when a slug conflict is detected. Pros: Simple, widely understood, reversible. Cons: implies the content is a second-rate version of the original, which is usually not the intent. Also, the loop can be slow if there are many conflicts (rare in practice). --- Strategy 2: Date or Timestamp Suffix Append…
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