hphp reference
I recently came across a new platform while browsing, and I was surprised by how smooth and fast the overall experience feels compared to others I've tried before, especially in terms of loading speed and usability
http://wf.zoner.work/w18nz92er6/18n-reference
https://write.midov.pl/qq55ifhg27/qq55-reference
https://write.storydragon.nl/y877ffpzp5l/877f-reference