40 Technical SEO Website Architecture and Site Speed & Performance MCQs

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Welcome to King Peedia. We've got 40 easy-to-understand questions about Technical SEO MCQs for you. These questions cover Website Architecture MCQs and Speed & Performance MCQs. Whether you're getting ready for an interview or just want to learn more, these questions and answers are here to help.


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1. Which of the following factors is NOT important for optimizing website speed and performance?

   a) Compression of images

   b) Minimization of HTTP requests

   c) Increasing server response time

   d) Utilizing browser caching

   Answer: c) Increasing server response time


2. What is the recommended maximum page load time for optimal user experience?

   a) 5 seconds

   b) 10 seconds

   c) 15 seconds

   d) 20 seconds

   Answer: a) 5 seconds


3. Which tool can you use to analyze website speed and performance?

   a) Google Analytics

   b) Google Search Console

   c) Google PageSpeed Insights

   d) Google Trends

   Answer: c) Google PageSpeed Insights


4. What does GZIP compression primarily help with in terms of website optimization?

   a) Reducing server response time

   b) Minimizing bandwidth usage

   c) Optimizing CSS and JavaScript files

   d) Improving mobile responsiveness

   Answer: b) Minimizing bandwidth usage


5. What HTTP status code indicates a permanent redirect?

   a) 200

   b) 301

   c) 404

   d) 503

   Answer: b) 301


6. What does the term "render-blocking resources" refer to in the context of website performance?

   a) Resources that are loaded asynchronously

   b) Resources that block the rendering of the webpage

   c) Resources that are cached by the browser

   d) Resources that are excluded from indexing

   Answer: b) Resources that block the rendering of the webpage


7. Which of the following techniques can help reduce server response time?

   a) Browser caching

   b) Minification of CSS and JavaScript files

   c) Content Delivery Network (CDN)

   d) Database optimization

   Answer: d) Database optimization


8. What is the purpose of using a Content Delivery Network (CDN) for website optimization?

   a) To optimize images for faster loading

   b) To improve server response time

   c) To distribute website content across multiple servers geographically

   d) To compress HTML files

   Answer: c) To distribute website content across multiple servers geographically


9. Which of the following HTTP headers is used to leverage browser caching?

   a) Cache-Control

   b) Content-Encoding

   c) Expires

   d) Set-Cookie

   Answer: a) Cache-Control


10. What is the recommended size limit for images to ensure fast loading?

    a) 100 KB

    b) 500 KB

    c) 1 MB

    d) 5 MB

    Answer: a) 100 KB


11. Which of the following statements about lazy loading is true?

    a) Lazy loading prioritizes the loading of visible content over hidden content.

    b) Lazy loading should be used for critical resources only.

    c) Lazy loading increases the initial page load time.

    d) Lazy loading is only applicable to text-based content.

    Answer: b) Lazy loading should be used for critical resources only.


12. What does Time to First Byte (TTFB) measure?

    a) The time taken for the browser to render the first byte of content.

    b) The time taken for the server to respond to a request.

    c) The time taken for CSS files to load.

    d) The time taken for images to load.

    Answer: b) The time taken for the server to respond to a request.


13. Which of the following is NOT a factor affecting mobile responsiveness?

    a) CSS media queries

    b) Viewport meta tag

    c) Mobile-friendly design

    d) HTML5 semantic elements

    Answer: d) HTML5 semantic elements


14. What is the purpose of using image sprites?

    a) To combine multiple images into a single image file

    b) To optimize images for retina displays

    c) To implement lazy loading for images

    d) To compress images using lossless compression

    Answer: a) To combine multiple images into a single image file


15. What is the primary goal of minifying CSS and JavaScript files?

    a) To remove all comments from the code

    b) To reduce the file size by removing unnecessary characters and white spaces

    c) To convert the code into a more readable format

    d) To optimize images referenced within the code

    Answer: b) To reduce the file size by removing unnecessary characters and white spaces


16. What HTTP status code is returned when a requested resource is not found?

    a) 200

    b) 301

    c) 404

    d) 503

    Answer: c) 404


17. What is the primary purpose of using a preconnect directive in the <link> tag?

a) To prefetch resources that will be needed in the future

b) To prioritize the loading of critical resources over other page elements

c) To establish early connections to external servers to reduce latency

d) To preload fonts to ensure faster rendering of text content

Answer: c) To establish early connections to external servers to reduce


18. What is the recommended technique for handling large images on a webpage?

    a) Lazy loading

    b) Image compression

    c) Image resizing

    d) Image optimization

    Answer: c) Image resizing


19. What is the primary benefit of using asynchronous loading for JavaScript files?

    a) It blocks rendering of the webpage until the script is fully loaded.

    b) It allows scripts to load and execute independently of other page elements.

    c) It increases the likelihood of script execution errors.

    d) It prioritizes the loading of scripts over other page resources.

    Answer: b) It allows scripts to load and execute independently of other page elements.


20. Which of the following elements should be included in the <head> section of an HTML document to improve site speed?

    a) CSS files

    b) JavaScript files

    c) Meta tags

    d) All of the above

    Answer: c) Meta tags


21. What is the purpose of minifying HTML files?

    a) To improve the readability of the code

    b) To optimize images referenced within the HTML

    c) To reduce the file size by removing unnecessary characters and white spaces

    d) To add comments to the code for better documentation

    Answer: c) To reduce the file size by removing unnecessary characters and white spaces


22. What is the recommended approach for optimizing font loading performance?

    a) Preloading fonts using the <link> tag

    b) Using system fonts instead of custom fonts

    c) Including font files directly within CSS

    d) All of the above

    Answer: a) Preloading fonts using the <link> tag


23. What does the "Lighthouse" tool measure in terms of website performance?

    a) Server response time

    b) Page load speed

    c) Mobile responsiveness

    d) All of the above

    Answer: d) All of the above


24. Which of the following factors can negatively impact server response time?

    a) Low server load

    b) High network latency

    c) Efficient server caching

    d) Use of Content Delivery Network (CDN)

    Answer: b) High network latency


25. What is the purpose of using the "defer" attribute in JavaScript?

    a) To load the script asynchronously

    b) To execute the script after the document has finished parsing

    c) To block rendering of the webpage until the script is fully loaded

    d) To prioritize the loading of the script over other page resources

    Answer: b) To execute the script after the document has finished parsing


26. Which of the following factors does NOT affect Time to First Byte (TTFB)?

    a) Server processing time

    b) Network latency

    c) Browser rendering time

    d) Content Delivery Network (CDN) latency

    Answer: c) Browser rendering time


27. What does the term "critical rendering path" refer to in website performance optimization?

    a) The sequence of steps involved in processing HTML, CSS, and JavaScript to render a webpage

    b) The time taken for the server to respond to a request

    c) The process of optimizing images for faster loading

    d) The series of redirects between different URLs

    Answer: a) The sequence of steps involved in processing HTML, CSS, and JavaScript to render a webpage


28. Which of the following techniques can help reduce server response time?

    a) Increasing server load

    b) Optimizing database queries

    c) Enabling browser caching

    d) Minimizing image file sizes

    Answer: b) Optimizing database queries


29. What is the recommended approach for handling JavaScript that is necessary for rendering above-the-fold content?

    a) Inlining the JavaScript code directly into the HTML

    b) Deferring the execution of JavaScript until after the page has loaded

    c) Placing the JavaScript code in an external file and loading it asynchronously

    d) Using a Content Delivery Network (CDN) to serve JavaScript files

    Answer: a) Inlining the JavaScript code directly into the HTML


30. Which of the following actions can help improve mobile responsiveness?

    a) Enabling browser caching

    b) Implementing responsive web design

    c) Minifying CSS and JavaScript files

    d) Using image sprites

    Answer: b) Implementing responsive web design


31. What is the recommended approach for optimizing CSS and JavaScript delivery?

    a) Including all CSS and JavaScript inline within the HTML

    b) Placing CSS in the <body> section and JavaScript in the <head> section of HTML

    c) Combining multiple CSS and JavaScript files into single files

    d) Loading CSS and JavaScript files from external servers only

    Answer: c) Combining multiple CSS and JavaScript files into single files


32. What does the "Leverage Browser Caching" warning in Google PageSpeed Insights indicate?

    a) A lack of browser caching mechanisms implemented on the server

    b) Excessive use of caching directives that may lead to caching errors

    c) The presence of render-blocking resources that prevent efficient caching

    d) Inefficient use of browser cache settings that could be optimized

    Answer: d) Inefficient use of browser cache settings that could be optimized


33. Which of the following techniques can help reduce page load time for users with slow internet connections?

    a) Lazy loading of images

    b) Inlining CSS and JavaScript

    c) Optimizing font loading

    d) Implementing image sprites

    Answer: a) Lazy loading of images


34. What is the recommended approach for optimizing third-party scripts (e.g., tracking codes, social media widgets) for website performance?

    a) Inlining all third-party scripts directly into the HTML

    b) Deferring the loading of third-party scripts until after the page has loaded

    c) Disabling third-party scripts altogether to improve performance

    d) Loading third-party scripts from external servers only

    Answer: b) Deferring the loading of third-party scripts until after the page has loaded


35. What is the purpose of using the "preload" attribute for web fonts?

    a) To ensure that fonts are loaded before the CSS is parsed

    b) To prioritize the loading of fonts over other page resources

    c) To prevent font rendering delays on slow connections

    d) To cache fonts in the browser for faster subsequent page loads

    Answer: a) To ensure that fonts are loaded before the CSS is parsed


36. Which of the following actions can help improve Time to First Byte (TTFB)?

    a) Enabling compression for text-based resources

    b) Minimizing the number of server requests

    c) Optimizing server caching settings

    d) Reducing server processing time

    Answer: d) Reducing server processing time


37. What is the purpose of using the "defer" attribute for script tags?

    a) To load the script asynchronously

    b) To execute the script after the document has finished parsing

    c) To block rendering of the webpage until the script is fully loaded

    d) To prioritize the loading of the script over other page resources

    Answer: b) To execute the script after the document has finished parsing


38. What does the "Eliminate render-blocking resources" recommendation in Google PageSpeed Insights aim to achieve?

    a) To ensure that all resources are loaded asynchronously

    b) To reduce the number of external resources used on the page

    c) To optimize the loading of critical resources needed for rendering above-the-fold content

    d) To prevent the loading of resources that are not necessary for rendering the page

    Answer: c) To optimize the loading of critical resources needed for rendering above-the-fold content


39. Which of the following techniques can help reduce Time to First Byte (TTFB)?

    a) Implementing image compression

    b) Enabling browser caching

    c) Optimizing server-side code and configurations

    d) Minifying CSS and JavaScript files

    Answer: c) Optimizing server-side code and configurations


40. What does the "Minimize redirects" recommendation in Google PageSpeed Insights aim to achieve?

    a) To reduce the number of HTTP requests made by the browser

    b) To optimize the loading of critical resources needed for rendering above-the-fold content

    c) To prevent unnecessary redirections that add latency to page loading

    d) To eliminate render-blocking resources that delay page rendering

    Answer: c) To prevent unnecessary redirections that add latency to page loading


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