Garrick is faster than your mom.
To do list:
http://tgmpluginactivation.com/installation/
http://luis-almeida.github.io/unveil/ https://codepen.io/parkerbennett/pen/Cmfvk RATHER not include jQuery ...
Some options: https://css-tricks.com/case-study-boosting-front-end-performance/ http://developer.telerik.com/featured/lazy-loading-images-on-the-web/ https://varvy.com/pagespeed/defer-images.html epic https://robinosborne.co.uk/2016/05/16/lazy-loading-images-dont-rely-on-javascript/ https://www.giftofspeed.com/lazy-load-images/
Sticky header: https://adactio.com/journal/10877 http://stackoverflow.com/questions/18382496/sticky-header-after-scrolling-down https://github.com/cara-tm/simple-sticky-header https://css-tricks.com/scroll-fix-content/
On performance: https://css-tricks.com/case-study-boosting-front-end-performance/
Typography:
And we have a winner : https://startbootstrap.com/template-overviews/clean-blog/
Plugins: http://wordpress.stackexchange.com/questions/160255/how-to-include-plugin-without-activation http://alexking.org/blog/2012/07/09/include-plugin-in-wordpress-theme
https://wordpress.org/plugins/amp/
=== For pop up / exit intent