Re: User Timing Mark Name for "Critical Content Loaded"?

On 06/24/2015 07:28 PM, Patrick Meenan wrote:
> At least for what I was planning to do with it it wouldn't alter any
> behavior.  We (and I expect most browsers) track aggregate field metrics
> for a bunch of technical metrics to track our performance and guide our
> optimization work.  None of the standard technical measurements really
> mean anything for the user experience (onload, DOM Content Loaded,
> etc).  A lot of sites have their own custom metrics that they track that
> does better tie to the user experience and most that do have a core
> "this is the user experience time for this operation".  The time to
> first tweet and time to first pin were concrete examples that I know of
> but just about every major web property has their own.
>
> What I'd like to do is to be able to collect that in a standard way so
> that when we make optimization trade-offs we take the applications
> actual experience metrics into account.  That does mean that it will
> impact decisions that we make about how the browser works but not in the
> context of that specific page or page load.

With performance observers, this would give you an easier to track those 
marks, correct?

Philippe

Received on Thursday, 25 June 2015 11:57:51 UTC