Q
How do external JavaScript references contribute to improved website performance?

Answer & Solution

Answer: Option Option D
Solution:
External JavaScript references contribute to improved website performance by decreasing page load times, especially when scripts are cached by browsers and reused across multiple pages.
Related Questions on Average

What is the purpose of using external references for CSS stylesheets in web development?

A). To reduce code readability

B). To improve code organization

C). To complicate code maintenance

D). To increase page load times

How can you include an external CSS file in an HTML document using the <link> tag?

A). <link src='styles.css'>

B). <link rel='stylesheet' href='styles.css'>

C). <link type='text/css' href='styles.css'>

D). <link style='styles.css'>

Which of the following is an advantage of using external CSS stylesheets in web development?

A). Reduced server load

B). Improved code organization

C). Faster page loading times

D). Increased security

How can you make an external JavaScript file load asynchronously in an HTML document?

A). <script async src='external.js'></script>

B). <script defer src='external.js'></script>

C). <script execute src='external.js'></script>

D). <script run src='external.js'></script>

Which attribute is used in the <script> tag to defer the execution of an external JavaScript file until after the HTML content is fully loaded?

A). async

B). defer

C). src

D). execute

Which attribute is used in the <link> tag to specify the relationship between an HTML file and an external CSS file?

A). style

B). href

C). rel

D). type

What happens if an external JavaScript file referenced in HTML is not found or fails to load?

A). The HTML file becomes invalid

B). The browser ignores the error

C). The web page displays an error message

D). The CSS styles are applied to the JavaScript file

How can you specify the type of an external CSS file in the <link> tag?

A). <link type='text/css' href='styles.css'>

B). <link href='styles.css'>

C). <link rel='stylesheet' href='styles.css'>

D). <link src='styles.css'>

What is the purpose of using external JavaScript references in web development?

A). Improving database performance

B). Enhancing security

C). Organizing code for reuse

D). Creating dynamic animations

Which of the following is a disadvantage of using external JavaScript references in web development?

A). Increased server load

B). Reduced code modularity

C). Slower rendering of HTML content

D). Limited cross-browser compatibility