# What is Preview Deployment?

A live version of your app created automatically for every pull request or branch. It has a unique URL so your team can test changes before they merge to production.

## In real work

Open the preview deployment for this PR. Check the new modal renders correctly on mobile before approving the merge.

## Related terms

- [ISR](https://prompthausapp.com/learn/isr.md)
- [Edge Network](https://prompthausapp.com/learn/edge-network.md)
- [Cold Start](https://prompthausapp.com/learn/cold-start.md)
- [Fluid Compute](https://prompthausapp.com/learn/fluid-compute.md)
- [Rollback](https://prompthausapp.com/learn/rollback.md)

## How is this different from Googling it?

Google gives a definition. Prompthaus pairs each term with how it shows up in standups, PRs, prompts, and design reviews—then quizzes you until the word sticks. One term a day on iPhone.

- Category: Launch
- HTML: https://prompthausapp.com/learn/preview-deployment
- App Store: https://apps.apple.com/us/app/prompthaus-ai-vocabulary/id6776314407