# Discourse mobile slow on 2013 Android phone

**URL:** https://meta.discourse.org/t/discourse-mobile-slow-on-2013-android-phone/41727
**Category:** Support
**Created:** [March 29, 2016, 7:58pm UTC](https://meta.discourse.org/t/discourse-mobile-slow-on-2013-android-phone/41727 "2016-03-29T19:58:00Z")
**Posts on this page:** 1
**Showing post:** 5

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### Author: ![Falco](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/falco/32/179432_2.png) [@Falco](https://meta.discourse.org/u/Falco)
#### Post date: [March 30, 2016, 8:06pm UTC](https://meta.discourse.org/t/discourse-mobile-slow-on-2013-android-phone/41727/5 "2016-03-30T20:06:19Z")

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This tests are using the chrome emulation, and not real devices too.

[http://mobitest.akamai.com/m/results.cgi?testid=160330\_9W\_3E](http://mobitest.akamai.com/m/results.cgi?testid=160330_9W_3E)

This gives 7s with a cold cache.

Discourse is working on improving this:

> [@The State of JavaScript on Android in 2015 is... poor](https://meta.discourse.org/t/the-state-of-javascript-on-android-in-2015-is-poor/33889):
>
> For [several years now we’ve tracked](http://discuss.emberjs.com/t/why-is-ember-3x-5x-slower-on-android/6577) the fact that, over time from 2012 onward, Android JavaScript performance has become wildly divergent from iOS JavaScript performance. And not in a good way. To give you an idea of how divergent it has become, try: [http://emberperf.eviltrout.com](http://emberperf.eviltrout.com) Complex list Ember 1.11 This is the benchmark most representative of Discourse performance, and the absolute best known Android score for this benchmark is right at ~400ms on a Samsung Galaxy S6. That doesn’t seem …

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