Cache-Control stale-while-revalidate



[RFC 5861](https://texonom.com/rfc-5861-9a3ee7f29cc8415685b30b87e0fdfcd7)

```typeCache-Control: stale-while-revalidate=59```
![](https://www.notion.so/image/https%3A%2F%2Fweb-dev.imgix.net%2Fimage%2Fadmin%2FC8lg2FSEqhTKR6WmYky3.svg?table=block&id=999809c4-138a-442a-825c-0ec4f20f1c3c&cache=v2)





> [Keeping things fresh with stale-while-revalidate](https://web.dev/stale-while-revalidate/)





