%% generate tags start %% #software-engineering %% generate tags end %% #software-engineering/nextjs Parallel Routing allows you to simultaneously or conditionally render one or more pages in the same layout. For highly dynamic sections of an app, such as dashboards and feeds on social sites, Parallel Routing can be used to implement complex routing patterns.   ## Use Cases 1. two pages js in a single url 2. modal, see [[Modal in Next 13 in nextjs]] 3. conditional routes, see [Routing: Parallel Routes | Next.js (nextjs.org)](https://nextjs.org/docs/app/building-your-application/routing/parallel-routes#conditional-routes)