Questions tagged [dns-prefetch]
5 questions
3
votes
1 answer
dns-prefetch + preconnect vs. browser cache
To improve the page load time I want to use dns-prefetch and preconnect for external javascripts.
What happen if the ressource (in my case the…

Sr. Schneider
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DNS-prefetch and preconnect: Only for non-cached resources?
This is a question about dns-prefetch and preconnect, and possible optimizations:
If a resource is cached, are dns-prefetch and preconnect still doing their job?
If not, is it possible to optimize this behavior so that dns-prefetch and preconnect…

Evgeniy
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vote
1 answer
How does DNS prefetching endanger security/privacy?
I would like a comprehensive explanation of the security and privacy risks that come with DNS prefetching. There are already other posts about this topic, but I want current information and feedback on my concerns. Thanks in advance.
The Helmet.js…

Liz
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Using preconnect in Chrome in advance of injected Script
I am trying to use a preconnect link (or a dns-prefetch link) to get Chrome to perform DNS resolution and ideally open the connection to the remote server. From the network timeline this does not seem to be working. I did confirm this works on…

Alex Rothberg
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Is dns-prefetch needed for resources that have cache policy?
Is it unnecessary to add dns-prefetch for servers that return cached resources?
Does the web browser even need to resolve the domain for assets they know they have cached?

JorgeeFG
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