Apollo Client — Fundamentals, Integration and Guided Practice

Understand the problem Apollo Client solves in the browser, its core model and how it fits with HTML, CSS and JavaScript.

• What Apollo Client is responsible for
• Its core model: components, styles or state
• When to use it — and when not to
• Reading a small real example

Create a project, run the development server and learn the files and conventions you will work in.

• Creating and running a project
• Folder structure and conventions
• Dev tools and browser inspection
• Formatting, linting and type checks

Learn the main APIs of Apollo Client through small, focused examples.

• Core syntax and APIs
• Composition and reuse
• Styling and layout approach
• Configuration you will actually change

Handle user input and keep the interface in sync with data.

• Events and user interaction
• Local and shared state
• Forms and validation
• Loading, empty and error states

Load data from an API and show it reliably.

• Fetching and caching data
• Handling slow and failed requests
• Rendering lists and details
• Keeping secrets off the client

Make the interface work for every user and device.

• Semantic markup and keyboard access
• Responsive layouts
• Performance basics and Core Web Vitals
• Testing UI behaviour

Build a small but complete user-facing feature with Apollo Client.

• Planning screens and states
• Building and styling
• Connecting data
• Deploying a preview

Consolidate patterns that keep Apollo Client code readable as it grows.

• Component and file organisation
• Upgrades and breaking changes
• Common pitfalls
• Next steps