Kakapo Performance

Preload & DNS

Just a hint in the head, nothing more.

If your page fetches files from other hosts, just establishing the connection costs time. The kakapo enters dns-prefetch and preconnect hints into the head so the browser starts on it earlier.

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Preload & DNS

dns-prefetch for third-party hosts · preconnect for an early handshake

ActiveSettings

What Preload & DNS offers

dns-prefetch for external hosts

preconnect for an early start

Add hosts yourself

Goes straight into the head

Here's how it works

Add external hosts

The hints land in the head

The browser gets a head start

FAQ about Preload & DNS

How do the two hints differ?

dns-prefetch only resolves the host name. preconnect goes further and establishes the connection including encryption up front.

Should I enter every host?

No. Every hint costs something itself. Pick the hosts that really deliver something early in the page load.

Are files already fetched at that point?

No, it's only about the connection. The browser still fetches the file only when the page requests it.

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