Monthly Shaarli
February, 2018
"subfont: Command line tool to inject Google font subsets used glyphs into your page", Peter Müller (@_munter_)

subfont – a command line tool to statically analyse your page in order to generate the most optimal web font subsets, then inject them into your page. Now listed on Perf Tooling.

How performance data is collected at Wikipedia
"Using Server-Sent Events (SSE) Instead Of WebSockets For Unidirectional Data Flow Over HTTP/2", Martin Chaov

Using SSE Instead Of WebSockets For Unidirectional Data Flow Over HTTP/2
Look, AMP, you’re either a tool for the open web, or you’re a tool for Google search. I don’t mind if you’re the latter, but please stop pretending you’re something else.