A new observer is created per component instance and is not shared across multiple instances. This blog post demonstrates the performance costs of having many ...

Google in the next few days plans to begin testing fenced frames, a proposed web API to help its Privacy Sandbox ad technologies meet commitments to privacy of a sort ...

Google’s Martin Splitt had to remind SEOs and site owners that Googlebot doesn’t scroll through pages. When infinite scrolling is implemented on a web page it can cause issues with how the content is ...

Google has created a document that offers guidance to SEOs on implementing lazy loading for images and video. Lazy loading refers to the technique of deferring loading of non-critical or non-visible ...

JavaScript is the programming language of HTML and the Web.It plays a very important role in web. Its client side scripting language.JavaScript is also defined as a lightweight, interpreted ...

Implements event based tracking of changes in elements position. Uses MutationsObserver and falls back to an infinite dirty checking cycle if the first one is not ...