The Clipboard API provides a mechanism for websites to support accessing the system pasteboard (pasteboard is the macOS and iOS counterpart to clipboard on Windows and Linux).

HTTP Strict Transport Security (HSTS) is a security standard that provides a mechanism for web sites to declare themselves accessible only via secure connections, and to tell web browsers where to go to get that secure version.

Update: A previous version of this post stated the Service Worker API is available in all applications using WKWebView.

Cryptography is the cornerstone of information security, including various aspects such as data confidentiality, data integrity, authentication, and non-repudiation.

We recently announced WebRTC support in Safari 11 on High Sierra and iOS 11 in our last WebKit blog post.

Today we are thrilled to announce WebKit support for WebRTC, available on Safari on macOS High Sierra, iOS 11, and Safari Technology Preview 32.

The Fetch API is a replacement to XMLHttpRequest, providing the lowest-level set of options possible in the context of a web page.

A WebGPU prototype is available for you to experiment with on macOS.

Apple’s WebKit team today proposed a new Community Group at the W3C to discuss the future of 3D graphics on the Web, and to develop a standard API that exposes modern GPU features including low-level graphics and general purpose computation.

Today, the easiest way to create a rich text editor on the web is to add the contenteditable attribute to an element.