Web basics: html
HTML and CSS, built by hand
Semantic HTML, the box model, Flexbox and a page you write from an empty file and put online in week three. No templates, no page builders.
- Semantic HTML
- Box model
- Flexbox
- Publishing
Beginner3 weeks
44all courses
Every course, in 6 subjects.
Every course runs live for 12 people or fewer and costs $9.99 to $149.99. Asking for a seat starts a conversation with an instructor, not a checkout.
Every course
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Web basics: html
Forms people actually finish
Labels, validation, error messages and autofill, built so nobody gives up halfway through checkout. Two weeks, one form you'd be proud to ship.
- Inputs
- Validation
- Autofill
- Errors
Beginner2 weeks
Web basics: css
Modern CSS layout
Grid, container queries, custom properties and cascade layers, applied to layouts that used to need a framework. Your stylesheets get shorter, not longer.
- Grid
- Container queries
- Custom properties
- Layers
Intermediate3 weeks
Web basics: js
JavaScript in the browser
The DOM, events, fetch and modules, with no build step and no library in the way. You build a small app that loads, filters and saves real data.
- DOM
- Events
- fetch
- Modules
Intermediate4 weeks
Web basics: css
Responsive design for every screen
Fluid type, flexible images, media queries and mobile-first layouts, tested on real phones as well as the browser's device toolbar.
- Mobile first
- Media queries
- Fluid type
- Images
Intermediate2 weeks
Web basics: waapi
Animation on the web
CSS transitions, keyframes and the Web Animations API, used to make interfaces feel quick and clear rather than busy. Reduced motion included.
- Transitions
- Keyframes
- WAAPI
- Reduced motion
Intermediate3 weeks
Web basics: axe
Accessible interfaces
Keyboard paths, focus, ARIA used sparingly and testing with a real screen reader. For developers who want everyone to be able to use what they ship.
- Keyboard
- Focus
- ARIA
- Screen readers
Advanced4 weeks
Web basics: lighthouse
Fast websites
Core Web Vitals, images, fonts, caching and the JavaScript you didn't need, measured with Lighthouse before and after every change.
- Core Web Vitals
- Images
- Caching
- Bundles
Advanced3 weeks
React & TypeScript: tsc
TypeScript from zero
Types, unions, narrowing and generics, learned by adding them to JavaScript you already have. Red squiggles start helping instead of nagging.
- Types
- Unions
- Narrowing
- Generics
Beginner3 weeks
React & TypeScript: tailwindcss
Tailwind CSS in practice
Utility classes, design tokens, responsive variants and dark mode, applied to a real interface so the class lists stay readable.
- Utilities
- Tokens
- Variants
- Dark mode
Beginner2 weeks
React & TypeScript: react
React, one component at a time
Components, props, state, effects and forms, built up slowly enough that you know why each hook exists. Four weeks, one app you could hand to a client.
- Components
- State
- Effects
- Forms
Intermediate4 weeks
React & TypeScript: next
Next.js apps that ship
Routing, server components, data fetching, caching and deployment, ending with a fast app on a real domain. Built on the current release, not last year's tutorial.
- App Router
- Server components
- Caching
- Deploys
Intermediate4 weeks
React & TypeScript: vitest
Testing React components
Vitest, Testing Library and mock APIs, aimed at the tests that catch real bugs instead of the ones that just raise coverage.
- Vitest
- Testing Library
- Mocks
- CI
Intermediate3 weeks
React & TypeScript: tanstack-query
State, data and speed in React
Server state with TanStack Query, client state that stays small, profiling and the re-render you didn't know about. For React apps that have gotten slow and tangled.
- Server state
- Profiling
- Memoization
- Suspense
Advanced4 weeks
React & TypeScript: expo
React Native for web developers
Expo, navigation, native components and publishing to a real phone, for React developers who want their app in the App Store too.
- Expo
- Navigation
- Native APIs
- Publishing
Advanced5 weeks
Python: python
Python, the friendly way in
Variables, loops, functions, lists and dictionaries, for people who have never written a line of code. By week three you have a program that does something useful.
- Basics
- Functions
- Lists
- Files
Beginner3 weeks
Python: openpyxl
Python for Excel users
Reading, cleaning and writing spreadsheets with Python, for people whose week involves the same workbook every Monday. No coding experience needed.
- Excel
- CSV
- Cleaning
- Reports
Beginner2 weeks
Python: typer
Python scripts that save you hours
Files, spreadsheets, web requests and small command-line tools that take the repetitive part of your job off your hands. Bring a chore; leave with a script.
- Automation
- CSV & Excel
- HTTP
- CLIs
Intermediate3 weeks
Python: fastapi
Web APIs with FastAPI
Routes, Pydantic models, dependency injection and a Postgres database behind it all. You finish with an API another team could start calling on Monday.
- Pydantic
- Dependencies
- OpenAPI
- Postgres
Intermediate4 weeks
Python: httpx
Web scraping, politely
Requests, HTML parsing, pagination, rate limits and robots.txt, turning public web pages into a tidy dataset without getting blocked.
- HTTP
- Parsing
- Pagination
- Etiquette
Intermediate3 weeks
Python: pydantic
Building with AI APIs in Python
Calling language-model APIs, structured output with Pydantic, retries, costs and evaluation, ending with a small tool you'd actually use at work.
- LLM APIs
- Structured output
- Retries
- Evals
Intermediate3 weeks
Python: django
Django from first model to deploy
Models, the ORM, migrations, the admin, authentication and a deploy, built slowly enough that you know what each default is doing for you.
- ORM
- Migrations
- Admin
- Deploys
Intermediate5 weeks
Python: pytest
Testing and typing Python for real
pytest, fixtures, mocks, type hints and mypy, retrofitted onto a messy codebase without stopping work. For anyone scared to change their own Python.
- pytest
- Fixtures
- Type hints
- Refactoring
Advanced4 weeks
Data & SQL: sql
SQL in two weeks
SELECT, WHERE, joins and GROUP BY on a real dataset of US flights. Two short weeks that make every report, dashboard and ORM less mysterious.
- SELECT
- Joins
- GROUP BY
- NULL
Beginner2 weeks
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