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Dev.to
5/11/2026
URL Parameters vs Query Strings in Express.js

URL Parameters vs Query Strings in Express.js

Short summary

URL parameters (e.g., /users/101) access specific resources; query parameters (e.g., /users?id=101) filter or search data. Use URL parameters for clean, SEO-friendly routes; query parameters for dynamic searches and pagination. Express.js handles both via req.params and req.query.

  • URL parameters are path-based for specific resources; query parameters are ?-based for filtering and search
  • URL parameters create clean, SEO-friendly URLs; query parameters handle dynamic data and pagination
  • Express.js provides req.params and req.query objects to access both parameter types

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