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

Which attribute is used in the <img> tag to specify the source (URL) of an external image file?

A). link

B). href

C). src

D). source

What is the purpose of using external CSS stylesheets instead of inline CSS styles?

A). To increase code modularity

B). To reduce page load times

C). To improve accessibility

D). To simplify debugging

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>

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

A). Enhancing website interactivity

B). Improving accessibility

C). Reducing page loading times

D). Organizing multimedia content

Which of the following is a benefit of using external references for images rather than embedding images in HTML?

A). Improved SEO rankings

B). Reduced HTTP requests

C). Enhanced image quality

D). Faster rendering of images

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

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

Which attribute is used in the <script> tag to specify the source (URL) of an external JavaScript file?

A). source

B). script

C). src

D). link

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

How does referencing an external image in HTML differ from referencing an external JavaScript file?

A). It uses the <img> tag with the src attribute pointing to the image file's URL

B). It uses the <script> tag with the src attribute pointing to the JavaScript file's URL

C). It uses the <link> tag with the rel attribute set to 'image'

D). It uses the <style> tag with the src attribute pointing to the image file's URL