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Free module

Websites and web apps

How a website works, reading and writing data through an API, checking a form, publishing safely and testing accessibility.

5 lessons235 min lesson

The lessons

Each lesson is free to read in full. Create a free account to run its commands in a live lab and to sit its quizzes and tasks.

  1. 1 · Container lab

    Following a page from request to reply (HTTP)

    I can follow a web page from the request to the reply.

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  2. 2 · Container lab

    Reading and writing data through an API

    I can read and write data through an API.

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  3. 3 · Container lab

    Checking what a user types (validation)

    I can check what a user types into a form.

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  4. 4 · Container lab

    Publishing a website with safe settings

    I can publish a website with safe settings.

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  5. 5 · Container lab

    Checking a page works for everybody (accessibility)

    I can check that a web page works for everybody.

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Worked in a real lab

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