The TCP Slow Start scheme

In order to render content to a user as quickly as possible, you should always try to only send critical HTML and CSS at first, the minimum amount required for the first render. You may see the ideal maximum size of this critical load quoted as 14kb, but where does this number come from?

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CSS Levels

In 2011 the W3C CSS Working Group published CSS 2.1 as a W3C Recommendation, but when they moved onto CSS 3 a decision was made to divide the spec into smaller modules, instead of maintaining one single specification.

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Debugging Nodejs

Introduced in Nodejs 6.3+ the debugger inspector protocol allows you to connect to your Node process using various different debugging tools, so no excuses for all those console.log lines!

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