1. What does the term "TTFB" stand for in web performance?

Time to First Byte Total Time for Browser Test Time for Backend Time Taken for Buffering

2. Which technique is used to reduce the number of HTTP requests made by a web page?

Minification Compression Caching Code splitting

3. What is the purpose of a Content Delivery Network (CDN) in web performance optimization?

To enhance server security To improve website accessibility To optimize image loading To deliver website content quickly to users

4. Which file format is typically used for lossless image compression?

JPEG PNG GIF SVG

5. What is the recommended file format for vector graphics on the web?

JPEG PNG GIF SVG

6. Which attribute is used to indicate that a script should be executed after the page has finished parsing?

async defer preload srcset

7. Which HTTP status code indicates a successful response?

200 404 500 302

8. What is the purpose of the "viewport" meta tag in HTML?

To specify the character encoding of the document To define the language of the document To control the initial scale and dimensions of the viewport To provide a description of the document's content

9. Which CSS property is used to animate elements on a web page?

transform opacity display visibility

10. Which performance metric measures the time it takes for a web page to become interactive?

First Paint (FP) First Contentful Paint (FCP) Time to Interactive (TTI) First Meaningful Paint (FMP)