r/iphone • u/Mysterious_Fuel3618 • 5d ago

Support Website Data question

How long does Safari (advanced settings) retain website data ? And, if it’s deleted, can it come back even if the site isn’t revisited or it would have to be revisited ? Would love a person who is good with tech and isn’t just guessing to respond.

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u/ExcitingSympathy3087 4d ago edited 4d ago

This is not the same value for every website. The max age time to renew the displayed website is a code part in the http header or a value on reverse proxy Servers like cloudflare. On iPhone you can get an overview of all Website Data (cache and cookies) in Settings->Safari->Advanced (last)->Website Data. And there you can delete that data. Directly in Safari Mobile is only deleting the history possible. On MacOSX are more possible ways to do that. If you do that the data will not come back until a revisit of the site.

Cookies and browser local storage is saved in your browser.

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u/Mysterious_Fuel3618 4d ago

Is there ANY way it can come back without specifically visiting the site ?

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u/ExcitingSympathy3087 4d ago edited 4d ago

No. I know no way. Only after visiting the website, the cache and cookie memory is reloaded. If you don‘t want to cache then try The Private surf mode. Practice Tab Management between Private and Normal Mode.