The New Relic browser agent instruments your web application or site and provides observability into performance, errors, and other behaviors. The instructions on this page pertain to installing the ...

For this week’s Ask An SEO, a reader asked: “Is there any difference between how AI systems handle JavaScript-rendered or interactively hidden content compared to traditional Google indexing? What ...

Thirty years ago today, Netscape Communications and Sun Microsystems issued a joint press release announcing JavaScript, an object scripting language designed for creating interactive web applications ...

Waiting — nobody likes it. Especially not on the web: With slow page loading and long loading times, you quickly lose interest in any content. To avoid such tests of patience, however, it’s not just a ...

Rendering is crucial to your website’s operations, enabling Google to retrieve your webpages, decipher the code, and understand its content and structure. The rendering process then converts this code ...

Of all the hats JavaScript can wear, its form-processing features are among the most sought and used. Learn how to use JavaScript for form processing, validation, and more. Forms are an essential part ...

Node.js is a lean, fast, cross-platform JavaScript runtime environment that is useful for both servers and desktop applications. Scalability, latency, and throughput are key performance indicators for ...

These messages are simply JavaScript objects containing a hierarchy of key/value pairs. They can be metadata about the page content, information about the visitor, or data about events happening on ...

Most modern Web sites contain a growing number of programs that the user's Web browser downloads and runs automatically as pages are loaded. While these JavaScript programs can provide functionality ...