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But what if the browser already has all the page’s subresources in the network cache? Wouldn’t the preconnects then be a waste?
by SimeVidas 11y ago
But what if the browser already has all the page’s subresources in the network cache? Wouldn’t the preconnects then be a waste?
- buro9 11y agoThe browser can make sense of this, the browser can also make sense of not doing a DNS prefetch if it already has one in-flight for the preconnect, etc. The gains are such that it is better to add the hints than not.