Over a Third of Websites Use Outdated and Vulnerable JavaScript Libraries

More than a third of the websites you visit online may include an outdated JavaScript library that’s vulnerable to one or more security flaws. 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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