Exam 16: Testing and Improving Performance

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  Referring to the figure above, one type of character that is included on the left side but not on the right is the __________. Referring to the figure above, one type of character that is included on the left side but not on the right is the __________.

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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. Cedric can't easily test at multiple connection speeds, so he uses a tool such as __________.

(Multiple Choice)
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In a usability test, the user __________.

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Match each statement with the appropriate term.
describes an image file that is as compressed as possible without losing significant visual information
spritesheet
a style rule based on selectors that no longer apply to any elements on your web pages
minified
describes a file with any characters removed that are not needed by a browser to parse the file
custom build
Correct Answer:
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describes an image file that is as compressed as possible without losing significant visual information
spritesheet
a style rule based on selectors that no longer apply to any elements on your web pages
minified
describes a file with any characters removed that are not needed by a browser to parse the file
custom build
a version of a library that includes only the features that your site uses
orphaned style
a single image file that includes multiple smaller images arranged side-by-side or in a grid
optimized
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The measure of how quickly a published site loads and responds to user interaction over the Internet is known as the site's __________.

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Developers reduce the amount of time required to wait for file requests by __________.

(Multiple Choice)
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You can perform basic CSS minification manually by deleting all line breaks from the code and __________.

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If you are developing on a Mac, it's important to ensure that you have access to a Windows system for testing.

(True/False)
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Case-Based Critical Thinking Question Risa has created a website for her interior decorating business. Before the publishes the site, she is making changes to improve its performance. Risa is combining 3 decorative images into a spritesheet. After she incorporates the spritesheet into her website, how many HTTP requests will be necessary to download all the images in the spritesheet?

(Multiple Choice)
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Browsers generally limit the number of __________ that can be requested from a single server simultaneously.

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To use a spritesheet on a web page, you specify it as the background color for multiple elements. _________________________

(True/False)
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