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From "Parashuram Narasimhan (MS OPEN TECH)" <>
Subject RE: Measuring Perf of Cordova apps (Android/iOS)
Date Wed, 15 Oct 2014 17:54:12 GMT
@Michal - I tested the WkWebView using a simple iOS App and loaded a webpage on it - not Cordova
yet and that was the reason I did not publish the results. Can't wait for WkWebView to be
in Cordova and then see how much of an improvement we could get :) 

For the metrics, the idea was not to compare iOS vs Android, but rather compare 2 deploys
of the same app. This idea is, a developer runs the tests per commit (in a continuous integration
system) and can see which commit slowed down the app. This way, they could also figure out
the CSS or JS event handlers they added during that commit. The graphs would look something
like - you can see how the 3rd commit on that
graph is bad since I added an onScroll event handler.

@Andrew - I would love to do a blog post. Should I write it on my blog and refer to it in
the official Cordova blog, or can this be in the official cordova blog? Note that I developed
this tool independently and is not an official Cordova release, but if the folks in the community
feel that this could be interesting to any Cordova developer and makes sense to put in the
official Cordova blog, I would love to write a quick tutorial. 

-----Original Message-----
From: [] On Behalf Of Andrew Grieve
Sent: Tuesday, October 14, 2014 11:48 AM
To: dev
Subject: Re: Measuring Perf of Cordova apps (Android/iOS)

Super Cool. This would definitely be useful to add to a continuous build system. Certainly
would make a good referral blog post if you want to have a stab at it :)

On Tue, Oct 14, 2014 at 2:28 PM, Michal Mocny <> wrote:

> Very cool Parashuram.
> How did you test WkWebView?  non-cordova?
> Also, the results have different labels on iOS/Android, which I assume 
> means you are just reporting what the tools report.  Would you 
> consider mapping the values which have direct parallels to the same 
> labels so we can do more direct comparisons?
> -Michal
> On Mon, Oct 13, 2014 at 2:47 PM, Parashuram <>
> wrote:
> > Over the weekend, I created a tool to measure the rendering and 
> > network performance for Cordova apps, and I thought of sharing it on 
> > the list. I
> am
> > able to pick up numbers from iOS and Android (4.4).
> >
> > Here is a demo video -
> > More details on how to run it on your cordova app : [link <
> >
> trics.html
> > >
> > ]
> > Browser-perf :
> >
> > Would love to hear feedback from the community on this. Initial 
> > tests
> with
> > WkWebview and UIWebView show some good numbers.
> >
> > Since a lot of people worry about perf of hybrid apps, I am hoping 
> > that this tool would give them a way to look at hard numbers and see 
> > that
> hybrid
> > apps can be as smooth as native apps.
> >
> > Parashuram
> >
> >

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