N5DNS: finding the server

The problem

1 s on screen = 100 ms

Before your browser can fetch a page, what does it have to find first?

Look it up every time

Before each page, Browser asks Resolver for the site's address. Resolver keeps nothing, so it asks again every time.

Live metrics for each version of the scene
Metric	Every time	Kept answers	Change
target ≤ 400 ms	—	—	—
	—	—	—
	0/s	0/s	—

N5DNS: finding the server

Before any request, the name has to become an address. That lookup is its own round trips, and caching makes it vanish.