Just switched AMP on for our blog. If you visit https://blog.tumult.com/2016/05/20/happy-fifth-birthday/amp/ you will get our 'Amp’ed page, which is optimized for load speed. Google will serve this to mobile users if their search terms match:
More info here: https://amphtml.wordpress.com/2016/08/02/amp-your-content-a-preview-of-amped-results-in-google-search/amp/