Introducing Quokka – The Live Scratchpad for JavaScript

Experimentation is very important in our industry. Before succeeding one time, we may need to fail ten times. This is why reducing the time it takes to run our experiments, can dramatically increase… Read more

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Asynchronous vs. Deferred JavaScript

In my article on Understanding the Critical Rendering Path, I wrote about the effect JavaScript files have on the Critical Rendering Path. JavaScript is considered a "parser blocking resource". This means that the parsing of the HTML document itself i... (more…)

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