If your goal is interactivity in less than a second (and on second load, it should be), pulling in 1mb of JS is fatal on mobile.https://twitter.com/patmeenan/status/795093254060539904 …
You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. You always have the option to delete your Tweet location history. Learn more
Oh, also, most of computing is mobile (or will be soon). If you're not succeeding on mobile, you're not succeeding.
When greybeards like me get ornery about today's slow-by-default JS frameworks & ecosystem, this is why.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.