Creating pages in Astro - Interactive Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to create a new Astro page that displays a heading.

Astro

---
---
<html>
  <body>
    <h1>[1]</h1>
  </body>
</html>

Drag options to blanks, or click blank then click option'

AWelcome to Astro!

BPage Title

CHello World

DMy Astro Site

Attempts:

3 left

💡 Hint

Common Mistakes

Leaving the heading blank

Using complex code inside the heading

The heading inside the <h1> tag should be a simple greeting like "Hello World" to show the page content.

2fill in blank

medium

Complete the code to export a frontmatter variable called 'title' in an Astro page.

Astro

---
export const [1] = 'My Astro Page';
---
<html>
  <body>
    <h1>{title}</h1>
  </body>
</html>

Drag options to blanks, or click blank then click option'

Atitle

Bname

Cheader

DpageTitle

Attempts:

3 left

💡 Hint

Common Mistakes

Using a different variable name than in the template

Forgetting to export the variable

The frontmatter variable used in the template is title, so it must be exported with the same name.

3fill in blank

hard

Fix the error in the Astro page by completing the import statement for a component.

Astro

---
import [1] from '../components/Header.astro';
---
<html>
  <body>
    <Header />
  </body>
</html>

Drag options to blanks, or click blank then click option'

AHeader

Bheader

CheaderComponent

DheaderAstro

Attempts:

3 left

💡 Hint

Common Mistakes

Using lowercase names for components

Mismatch between import name and usage

Component names in Astro are case-sensitive and usually start with a capital letter. The import must match the usage <Header />.

4fill in blank

hard

Fill both blanks to create a page that uses a component and passes a prop.

Astro

---
import [1] from '../components/Button.astro';
---
<html>
  <body>
    <Button label=[2] />
  </body>
</html>

Drag options to blanks, or click blank then click option'

AButton

B'Click me'

C"Click me"

Dbutton

Attempts:

3 left

💡 Hint

Common Mistakes

Using lowercase component names

Passing prop values without quotes

The component must be imported as 'Button' to match usage. The prop value should be a string with double quotes inside JSX-like syntax.

5fill in blank

hard

Fill all three blanks to create a page with frontmatter, import, and component usage with a prop.

Astro

---
export const [1] = 'Home Page';
import [2] from '../components/Hero.astro';
---
<html>
  <body>
    <[2] title=[1] />
  </body>
</html>

Drag options to blanks, or click blank then click option'

Atitle

BHero

CHome

Dhero

Attempts:

3 left

💡 Hint

Common Mistakes

Using lowercase component names

Mismatching variable and prop names

Not using curly braces for prop values

The frontmatter variable is 'title'. The component is imported as 'Hero' and used with the prop 'title' set to the variable 'title'.

Practice

1. What happens when you create a new .astro file inside the src/pages folder in an Astro project?

easy

A. You must register the page in a routing file for it to work.

B. The file is ignored unless you import it manually in another file.

C. A new webpage is automatically created with a URL matching the file name.

D. It creates a new component but not a page.

Solution

1. Step 1: Understand Astro's file-based routing

   Astro automatically creates routes from files in src/pages. Each .astro file becomes a page.

2. Step 2: Connect file name to URL

   The file name directly maps to the URL path, so creating a file adds a new page accessible by that URL.

3. Final Answer:

   A new webpage is automatically created with a URL matching the file name. -> Option C

4. Quick Check:

   File in src/pages = new page URL [OK]

Hint: Remember: pages folder files become URLs automatically [OK]

Common Mistakes:

• Thinking you must import page files manually
• Confusing components with pages
• Believing a routing config is needed

2. Which of the following is the correct way to create a homepage in Astro?

easy

A. Create a file named default.astro inside src/pages/home.

B. Create a file named home.astro inside src/pages.

C. Create a file named main.astro inside src/components.

D. Create a file named index.astro inside src/pages.

Solution

1. Step 1: Identify homepage naming convention

   In Astro, the homepage URL is /, which maps to index.astro in src/pages.

2. Step 2: Check folder and file placement

   The file must be directly inside src/pages and named index.astro to serve as homepage.

3. Final Answer:

   Create a file named index.astro inside src/pages. -> Option D

4. Quick Check:

   Homepage = src/pages/index.astro [OK]

Hint: Homepage file is always index.astro in pages folder [OK]

Common Mistakes:

• Naming homepage file anything other than index.astro
• Placing homepage file in components folder
• Using nested folders incorrectly for homepage

3. Given this file src/pages/about.astro with content:

<!-- src/pages/about.astro -->
<h1>About Us</h1>
<p>Welcome to our site.</p>

What URL will display this page when running the Astro dev server?

medium

A. http://localhost:3000/about

B. http://localhost:3000/about.astro

C. http://localhost:3000/about-us

D. http://localhost:3000/pages/about

Solution

1. Step 1: Map file path to URL

   The file about.astro inside src/pages maps to the URL path /about.

2. Step 2: Understand URL structure

   Astro removes the file extension and folder prefix src/pages from the URL, so the URL is /about.

3. Final Answer:

   http://localhost:3000/about -> Option A

4. Quick Check:

   File name = URL path [OK]

Hint: File name without extension = URL path [OK]

Common Mistakes:

• Including .astro extension in URL
• Adding 'pages' folder name to URL
• Guessing URL from page content

4. You created a file src/pages/contact.astro but visiting /contact shows a 404 error. What is the most likely cause?

medium

A. You forgot to restart the Astro dev server after adding the file.

B. The file is placed inside src/components instead of src/pages.

C. The file has a syntax error preventing Astro from loading it.

D. Astro requires a routing config to recognize new pages.

Solution

1. Step 1: Verify file placement

   The most likely cause is that the file is actually inside src/components instead of src/pages. Components folder files do not create routes.

2. Step 2: Syntax errors cause error pages, not 404

   Syntax errors show an error screen when visiting the route, not a 404 Page Not Found.

3. Step 3: Dev server auto-reloads

   Astro detects new pages automatically, restart rarely needed.

4. Final Answer:

   The file is placed inside src/components instead of src/pages. -> Option B

5. Quick Check:

   404 on new page = check pages vs components folder [OK]

Hint: New page 404s? Double-check src/pages vs components folder [OK]

Common Mistakes:

• Assuming routing config is needed
• Not checking file syntax
• Misplacing file in components folder

5. You want to create a nested page at URL /blog/post1. Which file structure and naming is correct in Astro?

hard

A. Create src/pages/blog/post1.astro file.

B. Create src/pages/blog-post1.astro file.

C. Create src/pages/blog/post1/index.html file.

D. Create src/pages/blog/post1.astro and add a routing config.

Solution

1. Step 1: Understand nested routing in Astro

   Folders inside src/pages create nested URL paths automatically.

2. Step 2: Map file to nested URL

   Placing post1.astro inside src/pages/blog creates URL /blog/post1.

3. Step 3: Check alternatives

   Create src/pages/blog-post1.astro file creates flat URL /blog-post1. Create src/pages/blog/post1/index.html file creates no route (.html not supported as pages). Create src/pages/blog/post1.astro and add a routing config is incorrect because Astro does not require routing config.

4. Final Answer:

   Create src/pages/blog/post1.astro file. -> Option A

5. Quick Check:

   Nested folder + file = nested URL [OK]

Hint: Nested folders in pages map to nested URLs directly [OK]

Common Mistakes:

• Using hyphens instead of folders for nesting
• Adding unnecessary routing config
• Confusing index.astro usage for nested pages