Lightweight JavaScript library for accurate web loading progress.

"We created Let’s Encrypt in order to make getting and managing TLS certificates as simple as possible. For Let’s Encrypt subscribers, this usually means obtaining an ACME client and executing some simple commands. Ultimately though, we’d like for most Let’s Encrypt subscribers to have ACME clients built in to their server software so that obtaining an additional piece of software is not necessary. The less work people have to do to deploy HTTPS the better!"

Akamai Edge: Tracking the Performance of the Web with HTTP Archive

"The paint timing API enables website creators to track and monitor the important metrics which affects perceived performance. Consider that 53% of users will abandon a site if it takes longer than 3 seconds to load (source). Being able to keep your paint times low is likely to keep your users happy and improve the perceived performance of your site."

"We went from plain HTML and JS to using a package manager to automatically download 3rd party packages, a module bundler to create a single script file, a transpiler to use future JavaScript features, and a task runner to automate different parts of the build process."

In many cases in JavaScript coding, integers larger than 253 come up, where casting to a double-precision float would lose real, relevant data. This proposal provides a new, second primitive numeric type, BigInt, to meet those use cases.