Using Immutable Caching To Speed Up The Web

Firefox shipped with support for Cache-Control: Immutable:

The benefits of immutable mean that when a page is refreshed, which is an extremely common social media scenario, elements that were previously marked immutable with an HTTP response header do not have to be revalidated with the server.

No more 304‘s for those resources, because the browser won’t even re-request them 🙂

Using Immutable Caching To Speed Up The Web →
Cache-Control: immutable introductory post →

About the Author

Bramus is a Freelance Web Developer from Belgium. From the moment he discovered view-source at the age of 14 (way back in 1997), he fell in love with the web and has been tinkering with it ever since (more …)

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