Introduction to Web Performance


Web performance refers to how fast a website loads and responds to user actions.

Fast websites create better user experience and improve engagement.

Why Web Performance Matters

Users expect websites to load quickly.

Slow websites lead to higher bounce rates and lower user satisfaction.

Performance and Business Impact

Fast websites:

  • Keep users longer
  • Increase conversions
  • Improve brand trust

How HTML Affects Performance

The structure of HTML directly impacts how quickly a page is rendered.

Clean and efficient HTML loads faster and performs better.

Common Causes of Slow Websites

  • Too many unnecessary elements
  • Large images and media files
  • Poor document structure
  • Heavy scripts loaded too early

The clean version renders faster and is easier to maintain.

Performance on Mobile Devices

Mobile users often have slower networks.

Optimized HTML improves performance on all devices.

Performance and User Experience

Users prefer smooth and fast interactions.

Good performance makes websites feel professional.

Why Web Performance Matters for Jobs

Performance optimization is a key skill for frontend developers.

Employers value developers who build fast and efficient websites.

Practice Task

Open a webpage and analyze which elements might slow it down.

What You Will Learn Next

In the next lesson, you will learn how to optimize images and media for faster loading.