Guides ยท Technology
Web Accessibility Basics
Make sites usable for all
Accessibility uses semantic HTML, proper contrast, keyboard navigation, and clear labels to aid all users.
- aria
- semantic html
- contrast
- keyboard nav
- alt text
Structure
Use semantic elements and landmarks; provide meaningful alt text and labels.
Interact
Ensure keyboard operability and visible focus states; avoid relying only on hover.
Verify
Test with screen readers, contrast checkers, and automated audits.
Keep Exploring
Guides
API Basics
APIs let software request data or actions from other systems through defined endpoints and responses.
Comparison
RAM vs Storage
RAM handles what your device is actively working on, while storage keeps apps, files, and system data available over time.
How it works
Global Positioning System
GPS uses timing signals from satellites to calculate a receiver's position on Earth.
What it is
Blockchain
A blockchain is a distributed ledger secured by cryptography and consensus nodes.