The story of 'stale-while-revalidate' HTTP Cache and missing headers The Cache-Control HTTP header offers a wide range of possibilities for optimizing web applications. Two of its relatively interesting values are the stale-while-revalidate and stale-if-error attributes, described in the RFC 5861 specification. Support for the former attribute has already been implemented in the most popular brows
![The story of 'stale-while-revalidate' HTTP Cache and missing headers](https://cdn-ak-scissors.b.st-hatena.com/image/square/e18c00ed6979bf283315dd0db85f8efd37a24420/height=288;version=1;width=512/https%3A%2F%2Fblog.termian.dev%2Fimg%2Fhq%2Fstale-while-revalidate-chrome-network.png)