What Is SEO/GEO and Why Should Businesses Care?
SEO/GEO is the practical combination of search engine optimization (SEO) and geographic optimization (GEO). Together they help your website show up for the people who matter most: potential customers in the places you serve. For many small and local businesses, focusing on SEO/GEO is the difference between getting inquiries from nearby prospects and being invisible […]
The Gamepad API in the browser
The Gamepad API is a browser feature that lets web apps detect and read input from gamepads and other game controllers in a simple, consistent way. It’s designed for real-time experiences—think web games, interactive demos, accessibility tools, and creative apps—where you want responsive input beyond keyboard and mouse. One of the biggest advantages of the […]
An overview of the Fullscreen API
The Fullscreen API lets you display a specific element (and its descendants) in true fullscreen and then return to windowed mode. Learn the key methods, state checks, events, permissions considerations, and UX best practices for building focused video, game, and presentation experiences.
A Brief Overview of the File and Directory Entries API
A practical introduction to the File and Directory Entries API—what it does, how it enables folder-aware uploads via drag-and-drop or directory pickers, and why it matters for importing structured user-provided data on the web.
A Brief Overview of the File System API
The File System API lets web apps read, write, and manage files and folders—with user permission—using file and directory “handles,” plus a high-performance private storage option called OPFS.
A quick tour of the Web File API
The File API enables web applications to access files and their contents when the user makes them available—typically via an control or drag and drop. Selected files are exposed as a FileList, which contains File objects that provide metadata like name, size, type, and last modified date. You can read a file’s contents using FileReader (asynchronously) or FileReaderSync in web workers, and you can also work with binary data through Blob objects.
Fetch API: A Modern Way to Request Data
The Fetch API is the standard, modern interface for requesting resources on the web—everything from JSON data to images, files, and more. It’s available as a global function in both window and web worker contexts, which makes it broadly useful whether you’re building a UI-driven app or doing background work off the main thread. At […]
Document Picture-in-Picture: Always-on-top UI, powered by real HTML
The Document Picture-in-Picture API lets web apps open an always-on-top window you can fill with real HTML—ideal for timers, controls, and conferencing UI.
Content Index API: A Brief Overview
The Content Index API lets PWAs register offline-ready pages with the browser, making saved articles and other content easier to discover and manage.
Federated Credential Management (FedCM) API — a brief primer
Federated Credential Management (FedCM) is a browser-mediated sign-in API that enables “Sign in with…” flows without relying on third-party cookies. It standardizes the login experience, reduces cross-site tracking signals, and helps identity providers and relying parties deliver more reliable, privacy-preserving authentication.