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freeCodeCamp/guide/english/gatsbyjs/gatsbyjs-caching/index.md
2019-07-02 12:03:04 -04:00

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Gatsby.js Caching

Gatsby.js Caching Static Sites

An important part of creating a very fast website is setting up proper HTTP caching. HTTP caching allows browsers to cache resources from a website so that when the user returns to a site, very few parts of the website have to be downloaded. Gatsby does this job automatically for you through Webpack.

HTML files should never be cached while all files in public/static/ should be cached forever. Also, other files e.g. JavaScript files should also be cached forever.

Cache Controls Headers

HTML - The cache-control header should be cache-control: public, max-age=0, must-revalidate
Static Files (/public/static) - The cache-control header should be cache-control: public,max-age=31536000,immutable
JavaScript - The cache-control header should be cache-control: public, max-age=31536000,immutable

Plugins

Gatsby Plugin Netlify was created for automating caching when hosting your site at Netlify.

More Information:

Check out the Gatsby.js official docs for caching at Gatsby Caching. For more information and learn more, visit: Gatsby.js official site