Cache-Control vs. ETag: What Each One Actually Controls

Open a browser's network tab and you'll see Cache-Control and ETag sitting on the response headers of nearly every image, stylesheet, and script. Most developers recognize both names, but far fewer could explain how they actually divide the work of caching between them. This post walks through ...

Source: [Dev.to](https://dev.to/susumun/cache-control-vs-etag-what-each-one-actually-controls-4d1d)