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HTML Foundations · Lesson 9 of 13
Common HTML Mistakes
Learn how to spot small HTML mistakes, fix broken markup calmly, and build beginner-friendly debugging habits one check at a time.
Starter
5 practice exercises
1 homework item
What you will learn
- Teach simple debugging for broken markup.
- Show that many HTML problems come from small typing mistakes or missing pieces.
- Help beginners inspect HTML calmly instead of panicking when something looks wrong.
Lesson shape
18 minute lesson with 9 sections, 5 exercises, 8 checkpoint questions, and 1 homework submission.
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Lesson outline
What this lesson includes
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What debugging means in simple HTML
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Common HTML mistakes beginners often make
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Broken example 1: a missing closing tag
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Broken example 2: a link with the wrong attribute name
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Broken example 3: a source value that does not match the image file
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Broken example 4: labels and inputs that do not match
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How to check your HTML calmly
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Short recap before moving on
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Homework
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Text response
Open homework
Common HTML Mistakes: quick check
Write a short beginner explanation of the main idea from Common HTML Mistakes.
Keep moving
Finish this lesson, then move forward without losing your place.
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