[metrics-team] Tor Browser initial download numbers

[Karsten Loesing]

On 2018-02-08 22:43, Tommy Collison wrote:
> Hi Metrics team!

Hi Tommy,

> I just spent some times with application download data in Tor Metrics.
> I'm talking to a funder and it'd be great to be able to say "Tor Browser
> was download x times in 2016 and y times in 2017 -- and this z percent
> increase is proof that we're good at being a nonprofit."

Just in case you did not yet have the numbers, here's what I came up with:

32,730,720 downloads in 2016
32,842,844 downloads in 2017

That's a relatively small increase. But still, I'd say that having a
relatively stable number of downloads is a good sign.

> Can you give me an insight into how reliable the download data is? How
> are partial downloads treated? (You may have seen my conversation in
> #tor-project just now.)

I'd say these numbers are pretty reliable.

Regarding partial downloads, we do count an aborted download as 1, but
we're not counting resumed downloads. I'd say we're slightly
overcounting, but not much. In any case, we're doing the same thing in
2016 and 2017, so the absolute numbers are comparable.

Hope this helps.

> Cheers,
> 
> Tommy

All the best,
Karsten

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