Most Web sites use JavaScript, a powerful scripting language that helps make sites interactive. Unfortunately, a huge percentage of Web-based attacks use JavaScript tricks to foist malicious software ...

In a recent JavaScript SEO Office Hours, Google’s Martin Splitt answered a question about blocking external JS and CSS resources. The question was whether blocking the resources would cause a site to ...

uBlock Origin, one of the most popular ad blockers today, has released an update over the weekend that adds an option to block JavaScript (JS) execution on a page altogether. What this means is that ...

NOTE: JavaScript execution is always still a single-threaded, first-come-first-served environment. Also, some browsers use internal loading queues which create implicit "blocking" on script execution ...