@nhoizey @tkadlec The default behaviour is very good. But yes. You have control over headers and more. The magic in @netlify is, I think, around the surprising control you get over the smart CDN through a config file in your site's code.
Some nuggets here:
https://medium.com/netlify/10-netlify-features-to-surprise-and-delight-225e846b7b21
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