Question 1

Optimizing page load time is important for mobile users but does not impact desktop users.

Accepted Answer

A) True 
 B)False

Question 2

Referring to the figure above, the files listed on the left side of the figure represent __________ HTTP requests.

Accepted Answer

A)  7 
B)  1 
C)  3 
D)  4 
A)  7 
B)  1 
C)  3 
D)  4

Question 3

Referring to the figure above, the image is referenced in the code for the web page using the __________.

Accepted Answer

A) .. 
B)  background-position property 
C)  background-image property 
D)  background property 
A) .. 
B)  background-position property 
C)  background-image property 
D)  background property

Question 4

Referring to the figure above, combining image1. p n g through image4. p n g into images. P n g is an example of __________.

Accepted Answer

A)  optimizing images 
B)  implementing a spritesheet. 
C)  minifying CSS files. 
D)  removing orphaned styles. 
A)  optimizing images 
B)  implementing a spritesheet. 
C)  minifying CSS files. 
D)  removing orphaned styles.

Question 5

Orphaned styles are styles that

Accepted Answer

A)  apply to more than one web page. 
B)  no longer apply to any elements on your web pages. 
C)  duplicate other styles. 
D)  are part of both external and embedded style sheets. 
A)  apply to more than one web page. 
B)  no longer apply to any elements on your web pages. 
C)  duplicate other styles. 
D)  are part of both external and embedded style sheets.

Question 6

Referring to the figure above, the code on the right side has been ____.

Accepted Answer

A)  minified 
B)  optimized 
C)  validated 
D)  customized 
A)  minified 
B)  optimized 
C)  validated 
D)  customized

Question 7

When you conduct a usability test, the person conducting the test is generally __________

Accepted Answer

A)  in the room with the user. 
B)  behind mirrored glass watching the user. 
C)  using a computer while the user watches. 
D)  not involved in the test itself. 
A)  in the room with the user. 
B)  behind mirrored glass watching the user. 
C)  using a computer while the user watches. 
D)  not involved in the test itself.

Question 8

The best way to test the usability of your website is by using the website yourself.

Accepted Answer

A) True 
 B)False

Question 9

Name and describe two methods for reducing the size of CSS files.

Accepted Answer

Removing orphaned styles  involves delet

Question 10

Removing orphaned styles reduces the amount of code users have to download.

Accepted Answer

A) True 
 B)False

Question 11

Case-Based Critical Thinking Question Cedric is a web developer who works with a graphic design team to create websites for small and medium sized businesses. Before finalizing his current project, he tests the loading speed for each page.
To test at low speeds, Cedric simulates downloading the site using the lowest connection speed supported by many wireless carriers, which is known as __________.

Accepted Answer

A)  DSL 
B)  Regular 3G/Good 3G 
C)  Regular 4G 
D)  Regular 2G/Good 2G 
A)  DSL 
B)  Regular 3G/Good 3G 
C)  Regular 4G 
D)  Regular 2G/Good 2G

Question 12

Both __________ and iOS phones are used by significant numbers of people, so testing on the most widely used versions of these mobile operating systems is important.

Accepted Answer

The answer of Both __________ and iOS phones are used...

Question 13

To ensure that your questions don't vary between usability testers, it's considered a good practice to create a script and to use it consistently throughout the testing process.  _________________________

Accepted Answer

A) True 
 B)False

Question 14

You can reduce the size of some image files that are part of your website without affecting their content.

Accepted Answer

A) True 
 B)False

Question 15

Creating a custom build of Modernizr can increase the speed at which your site downloads.

Accepted Answer

A) True 
 B)False

Question 16

A spritesheet enables multiple images to be retrieved with a single HTML request. _________________________

Accepted Answer

A) True 
 B)False

Question 17

Browsers generally limit the number of files that can be requested from a single server simultaneously. _________________________

Accepted Answer

A) True 
 B)False

Question 18

Which of the following is out of your control as a developer?

Accepted Answer

A)  the size of embedded files 
B)  the size of linked files 
C)  the number of HTTP requests 
D)  a user's Internet connection speed 
A)  the size of embedded files 
B)  the size of linked files 
C)  the number of HTTP requests 
D)  a user's Internet connection speed

Question 19

In Chrome Device Mode, the maximum time from a request being sent to data being returned from the server is measured in __________.

Accepted Answer

A)  milliseconds 
B)  number of files 
C)  megahertz (MHz) 
D)  megabits per second (Mbps) 
A)  milliseconds 
B)  number of files 
C)  megahertz (MHz) 
D)  megabits per second (Mbps)

Question 20

Creating a custom __________ of the Modernizr library reduces the size of the file that users have to download.

Accepted Answer

The answer of Creating a custom __________ of the Modernizr...

Optimizing page load time is important for mobile users but does not impact desktop users.

Referring to the figure above, the files listed on the left side of the figure represent __________ HTTP requests.

Referring to the figure above, the image is referenced in the code for the web page using the __________.

Referring to the figure above, combining image1. p n g through image4. p n g into images. P n g is an example of __________.

Orphaned styles are styles that

Referring to the figure above, the code on the right side has been ____.

When you conduct a usability test, the person conducting the test is generally __________

The best way to test the usability of your website is by using the website yourself.

Name and describe two methods for reducing the size of CSS files.

Removing orphaned styles reduces the amount of code users have to download.

Both __________ and iOS phones are used by significant numbers of people, so testing on the most widely used versions of these mobile operating systems is important.

To ensure that your questions don't vary between usability testers, it's considered a good practice to create a script and to use it consistently throughout the testing process. _________________________

You can reduce the size of some image files that are part of your website without affecting their content.

Creating a custom build of Modernizr can increase the speed at which your site downloads.

A spritesheet enables multiple images to be retrieved with a single HTML request. _________________________

Browsers generally limit the number of files that can be requested from a single server simultaneously. _________________________

Which of the following is out of your control as a developer?

In Chrome Device Mode, the maximum time from a request being sent to data being returned from the server is measured in __________.

Creating a custom __________ of the Modernizr library reduces the size of the file that users have to download.

Getting Started With Html

Structuring Content in a Web Document

Getting Started With Css

Laying Out Elements With Css

Formatting Text With Css

Inserting and Working With Links

Inserting and Working With Images

Organizing Content With Lists and Tables

Implementing Responsive Design

Creating and Processing Web Forms

Creating Visual Effects and Animation

Incorporating Video and Audio

Programming Web Pages With Javascript

Integrating Social Media

Optimizing Your Web Site for Search Engines

Filters

Exam 16: Testing and Improving Performance

Optimizing page load time is important for mobile users but does not impact desktop users.

Referring to the figure above, the files listed on the left side of the figure represent __________ HTTP requests.

Referring to the figure above, the image is referenced in the code for the web page using the __________.

Referring to the figure above, combining image1. p n g through image4. p n g into images. P n g is an example of __________.

Orphaned styles are styles that

Referring to the figure above, the code on the right side has been ____.

When you conduct a usability test, the person conducting the test is generally __________

The best way to test the usability of your website is by using the website yourself.

Name and describe two methods for reducing the size of CSS files.

Removing orphaned styles reduces the amount of code users have to download.

Both __________ and iOS phones are used by significant numbers of people, so testing on the most widely used versions of these mobile operating systems is important.

To ensure that your questions don't vary between usability testers, it's considered a good practice to create a script and to use it consistently throughout the testing process. _________________________

You can reduce the size of some image files that are part of your website without affecting their content.

Creating a custom build of Modernizr can increase the speed at which your site downloads.

A spritesheet enables multiple images to be retrieved with a single HTML request. _________________________

Browsers generally limit the number of files that can be requested from a single server simultaneously. _________________________

Which of the following is out of your control as a developer?

In Chrome Device Mode, the maximum time from a request being sent to data being returned from the server is measured in __________.

Creating a custom __________ of the Modernizr library reduces the size of the file that users have to download.

Getting Started With Html

Structuring Content in a Web Document

Getting Started With Css

Laying Out Elements With Css

Formatting Text With Css

Inserting and Working With Links

Inserting and Working With Images

Organizing Content With Lists and Tables

Implementing Responsive Design

Creating and Processing Web Forms

Creating Visual Effects and Animation

Incorporating Video and Audio

Programming Web Pages With Javascript

Integrating Social Media

Optimizing Your Web Site for Search Engines

Filters