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Google Mobile Sites Certification Exam Answers 2023

Latest Update on 3rd July, 2023 by Certification Course Answers
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Google Mobile Sites Certification Exam Answers

Certification Questions & Certification Answers

Which of the following is NOT true about site search experience on mobile sites?

  1. Users rely on filters to narrow down search results
  2. Positioning site search at the top of a mobile page with an open-text search box is a best practice
  3. Comprehensive search results are better than concise results
  4. Smart-search features like auto-complete and corrected misspelling are especially important to have on small screens

100% Correct Answer

  • Comprehensive search results are better than concise results

Which format is preferred for the multi-device and high-resolution icons?

  1. Vector (SVG)
  2. PNG
  3. Data URLs
  4. JPEG

100% Correct Answer

  • Vector (SVG)

What is a benefit of mobile site over an app for businesses?

  1. You have to build a separate site for tablets and phones
  2. Shorter development timelines
  3. Mobile sites require approvals before one can gain access
  4. Mobile sites only work on Android

100% Correct Answer

  • Shorter development timelines

Related Options:

  1. Mobile sites only work on Android
  2. You have to build a separate site for tablets and phones
  3. Shorter development timelines. Mobile sites allow for easy updating (for example, users don’t need to accept or install your updates.
  4. Mobile sites require approvals before one can gain access

100% Correct Answer

  • Shorter development timelines. Mobile sites allow for easy updating (for example, users don’t need to accept or install your updates.

The first step to optimize the critical rendering path is:

  1. minimize number of critical resources: eliminate them, defer their download, mark them as async, and so on
  2. optimize the order in which the remaining critical resources are loaded: download all critical assets as early as possible to shorten the critical path length.
  3. optimize the number of critical bytes to reduce the download time (number of roundtrips)
  4. analyze and characterize your critical path: number of resources, bytes, length.

100% Correct Answer

  • analyze and characterize your critical path: number of resources, bytes, length.

Some users are not comfortable converting on their mobile device. What could be an action you can take to improve their experience?

  1. Showing the desktop version of the site on mobile devices
  2. Offering secondary call-to-action buttons, like social sharing
  3. Asking the user to register to save their details
  4. Making your primary call-to-action buttons more prominent

100% Correct Answer

  • Offering secondary call-to-action buttons, like social sharing

Which of these are NOT part of AMP:

  1. Analytics
  2. Custom Fonts
  3. Inline CSS
  4. AMP HTML

100% Correct Answer

  • Inline CSS

Which of the following describes the Payment API correctly?

  1. It bypasses the checkout form
  2. It requires a phone with a fingerprint reader
  3. It replaces your payment processor
  4. It is designed for external card readers

100% Correct Answer

  • It bypasses the checkout form

Which is an example of a situation when an unnecessary resource negatively impacts the user experience.

  1. Optimized images
  2. One web font
  3. A photo carousel on the homepage that allows the visitor to preview multiple photos with a quick click
  4. Lazy loading

100% Correct Answer

  • A photo carousel on the homepage that allows the visitor to preview multiple photos with a quick click

What performance metrics are affected by slow pagespeed?

  1. Conversion rate
  2. Clickthrough rate
  3. Viewthrough rate
  4. Impressions

100% Correct Answer

  • Conversion rate

What makes a notification good?

  1. it is relevant
  2. It delivers in the background
  3. It has a default action
  4. It can be dismissed

100% Correct Answer

  • it is relevant

What is it that the App shell helps with

  1. Creating a fully optimized site
  2. Improves elements of the UX
  3. Making transitions between pages faster
  4. Making the full page load faster

100% Correct Answer

  • Making transitions between pages faster

True or false: Mobile pages that load 1s faster see up to a 27% increase in CvR.

  1. FALSE
  2. TRUE

100% Correct Answer

  • TRUE

True or false: Constructing the DOM requires style information.

  1. TRUE
  2. FALSE

100% Correct Answer

  • FALSE

Image _____ can be sacrificed to reduce the file size, and chances are the user will still like the resulting image.

  1. rendering speed
  2. color range
  3. quality
  4. compression

100% Correct Answer

  • quality

How do you prioritize optimization of the mobile site for browser versions or screen resolutions:

  1. Prioritize the site with the highest conversion rates
  2. Look for the highest number of sessions and lowest conversion rates (or highest bounce rates)
  3. Look for the oldest version of your site
  4. Optimize all at the same time

100% Correct Answer

  • Look for the highest number of sessions and lowest conversion rates (or highest bounce rates)

How can you make the job a lot simpler for the browser?

  1. Change the selector to a class
  2. Create more complex CSS
  3. Add more parents
  4. Follow the style guide

100% Correct Answer

  • Change the selector to a class

Google Optimize does NOT currently allow you to:

  1. use your existing goals and metrics in Google Analytics as experiment objectives
  2. do heatmap analysis to better understand to user behaviour on your site
  3. test new website designs, layouts and content with a subset of your visitors
  4. serve experiments to specific groups of users that you’ve defined as Audiences in Google Analytics

100% Correct Answer

  • do heatmap analysis to better understand to user behaviour on your site

To discover and prioritize landing pages for potential improvements to the user design, you should check the:

  1. Exit Pages Report focusing on Page Views metric
  2. All Pages Report focusing on Average Time on Page metric
  3. Landing Pages Report focusing on Bounce Rate metric
  4. All Pages Report focusing on Unique Page Views metric

100% Correct Answer

  • Landing Pages Report focusing on Bounce Rate metric

To deliver the fastest possible time to first render, you should minimize the number of:

  1. critical resources
  2. CSS classes
  3. critical HTML classes
  4. critical JavaScript functions

100% Correct Answer

  • critical resources

Why can an intermittently available mobile network result in a poor experience?

  1. It is less secure than Wifi
  2. Some assets might not be loaded
  3. Enabling Wifi reduces battery life
  4. It uses more data

100% Correct Answer

  • Some assets might not be loaded

A Progressive Web App:

  1. slows experience and therefore decreases advertisers conversion rate
  2. is the same as Accelerated Mobile Page
  3. needs high bandwidth environments
  4. works even with unreliable network through service worker

100% Correct Answer
works even with unreliable network through service worker

According to a Google poll, what is the top frustration when users browse the web on their mobile device?

  1. Watching a video
  2. Being shown interstitials
  3. Waiting for slow pages to load
  4. Not knowing where to click

100% Correct Answer
Waiting for slow pages to load

AMP ______ the page ______ waiting for resources to download.

  1. lays out; without
  2. caches; before
  3. indexes; while
  4. displays; after

100% Correct Answer
lays out; without

At a minimum, what page weight should you be aiming for?

  1. More than 3MB
  2. 2.1MB
  3. 2MB
  4. Less than 1MB

100% Correct Answer
Less than 1MB

At a minimum, what Speed Index score should you be aiming for?

  1. Within 10% of similar sites
  2. Less than 5000
  3. Greater than 5000
  4. Greater than 95%

100% Correct Answer
Less than 5000

Before introducing mobile site design best practices to your clients, you should examine their:

  1. existing mobile sites
  2. staffing and budget
  3. page speed scores
  4. design process

100% Correct Answer
existing mobile sites

Before the browser can render the page, it needs to construct the:

  1. HTML and JavaScript
  2. DOM and CSSOM trees
  3. Pixel pipeline
  4. UX trees

100% Correct Answer
DOM and CSSOM trees

For each font on your website you should:

  1. Minimize the number of used variants
  2. Add CSS
  3. Make sure to add as many as possible
  4. Minimize the HTML

100% Correct Answer
Minimize the number of used variants

Currently, Google Optimize does NOT currently allow you to:

  1. use your existing goals and metrics in Google Analytics as experiment objectives
  2. do heatmap analysis to better understand to user behaviour on your site
  3. test new website designs, layouts and content with a subset of your visitors
  4. serve experiments to specific groups of users that you’ve defined as Audiences in Google Analytics

100% Correct Answer

  • do heatmap analysis to better understand to user behaviour on your site

How can you make the job simpler for the browser?

  1. Change the selector to a class
  2. Create more complex CSS
  3. Add more parents
  4. Follow the style guide

100% Correct Answer

  • Change the selector to a class

How do you prioritize optimization of a mobile site for browser versions or screen resolutions:

  1. Prioritize the site with the highest conversion rates
  2. Look for the highest number of sessions and lowest conversion rates (or highest bounce rates)
  3. Look for the oldest version of your site
  4. Optimize all at the same time

100% Correct Answer

  • Look for the highest number of sessions and lowest conversion rates (or highest bounce rates)

How does AMP work?

  1. Doesn’t let extension mechanisms block rendering
  2. Keeps all third-party JavaScript out of the critical path
  3. All of the answers are correct
  4. Allows only asynchronous scripts

100% Correct Answer

  • All of the answers are correct

How many times per second do most devices refresh their screens?

  1. 20
  2. 35
  3. 100
  4. 60

100% Correct Answer
60

If you’re in an animation like scrolling, you should ideally be looking to keep your JavaScript to something in the region of ______. Any longer than that and you risk taking up too much time.

  1. 5ms – 6ms
  2. 3ms – 4ms
  3. 9ms – 10ms
  4. 7ms – 8ms

100% Correct Answer

  • 3 – 4ms

Which can be sacrificed to reduce the file size of an image?

  1. rendering speed
  2. color range
  3. quality
  4. compression

100% Correct Answer

  • quality

Image information such as location and camera description can often be deleted to reduce image sizes. This type of information is called:

  1. GZIP
  2. metadata
  3. vector
  4. raster

100% Correct Answer
metadata

In the layout step, the browser:

  1. displays the on-screen elements in their new positions
  2. first resizes elements before computing their position
  3. computes the size and position of render tree elements
  4. forces the DOM to be rebuilt

100% Correct Answer
computes the size and position of render tree elements

In which of the following situations can a high bounce rate be interpreted as a good metric?

  1. Campaign landing page brings the user to a page where the company promotes their phone number to receive calls
  2. Campaign landing page brings the user to the first step of a 3-step lead generation form
  3. Campaign landing page brings the user to the product detail page

100% Correct Answer
Campaign landing page brings the user to a page where the company promotes their phone number to receive calls

Keeping CSS independent of HTML allows us to treat_______and _______as separate concerns.

  1. user experience; speed
  2. analytics; optimization
  3. content; design
  4. images; articles

100% Correct Answer
content; design

Mobile sites:

  1. are accessed through the desktop device’s web browser
  2. need to be downloaded or installed to a device
  3. have specific functionality for mobile devices
  4. require approvals to access

100% Correct Answer
have specific functionality for mobile devices

Research shows that mobile users expect to:

  1. tap the logo at the top of a mobile page to take them to new products
  2. see the logo below the fold on mobile sites
  3. tap the logo at the top of a mobile page to take them back to the homepage
  4. tap the logo at the top of a mobile page to take them to a “Contact Us” page

100% Correct Answer
tap the logo at the top of a mobile page to take them back to the homepage

Resources with responses that are ______ for all users are great candidates to be cached by a CDN.

  1. identical
  2. different
  3. sized
  4. variants

100% Correct Answer
identical

Some users aren’t comfortable converting on their mobile device. What could be an action you can take to improve their experience?

  1. Showing the desktop version of the site on mobile devices
  2. Offering secondary call-to-action buttons, like social sharing
  3. Asking the user to register to save their details
  4. Making your primary call-to-action buttons more prominent

100% Correct Answer

  • Offering secondary call-to-action buttons, like social sharing

The first step to optimize the critical rendering path is to:

  1. minimize number of critical resources: eliminate them, defer their download, mark them as async, and so on
  2. optimize the order in which the remaining critical resources are loaded: download all critical assets as early as possible to shorten the critical path length.
  3. optimize the number of critical bytes to reduce the download time (number of roundtrips)
  4. analyze and characterize your critical path: number of resources, bytes, length.

100% Correct Answer

  • analyze and characterize your critical path: number of resources, bytes, length.

The render tree contains:

  1. content of the page
  2. the styles of the page
  3. the DOM
  4. visible content

100% Correct Answer
visible content

To optimize for speed, you shouldn’t use too many webfonts and you should minimize the number of _____.

  1. dingbats
  2. ligatures
  3. descenders
  4. variants

100% Correct Answer
variants

True or false: A/B testing allows you to test two or more elements on the site to understand their effects on each other

  1. FALSE
  2. TRUE

100% Correct Answer
FALSE

True or false: Constructing the Document Object Model (DOM) requires style information.

  1. TRUE
  2. FALSE

100% Correct Answer

  • FALSE

True or false: Images should never change when rotating a device screen or between different device sizes.

  1. FALSE
  2. TRUE

100% Correct Answer
FALSE

True or false: JavaScript can block DOM construction unless explicitly declared as async.

  1. TRUE
  2. FALSE

100% Correct Answer
TRUE

True or false: Mobile pages that load 1 second faster see up to a 27% increase in conversion rate.

  1. FALSE
  2. TRUE

100% Correct Answer
TRUE

True or false: To instruct the browser to use the default device width, you would use <meta name="viewport" content="width=device-width">.

  1. FALSE
  2. TRUE

100% Correct Answer
FALSE

True or false: Using a mix of desktop and mobile-optimized pages on mobile sites improves the user experience since some users are more familiar with the desktop version of the site.

  1. TRUE
  2. FALSE

100% Correct Answer
FALSE

True or false: You can experiment with Google Analytics features by using the Google Merchandise Store demo account.

  1. TRUE
  2. FALSE

100% Correct Answer
TRUE

What does “Variant A” in A/B Testing usually represent?

  1. Less than 5000
  2. Greater than 95%
  3. Original version of the web page
  4. Test version of the web page that is modified from the original

100% Correct Answer

  • Original version of the web page

Which is a benefit of a mobile site over an app for businesses?

  1. You have to build a separate site for tablets and phones
  2. Shorter development timelines
  3. Mobile sites require approvals before one can gain access
  4. Mobile sites only work on Android

100% Correct Answer

  • Shorter development timelines

Related Options:

  1. Mobile sites only work on Android
  2. You have to build a separate site for tablets and phones
  3. Shorter development timelines. Mobile sites allow for easy updating (for example, users don’t need to accept or install your updates.
  4. Mobile sites require approvals before one can gain access

100% Correct Answer

  • Shorter development timelines. Mobile sites allow for easy updating (for example, users don’t need to accept or install your updates.

What is a tool that you can use to emulate and simulate a site that’s experiencing poor or unreliable connectivity?

  1. Pingdom.com
  2. Speedtest.net
  3. Webpagetest.org
  4. Speedguide.net

100% Correct Answer
Webpagetest.org

What is a valid event for a Service Worker to emit when it’s registered?

  1. Stop
  2. Canceled
  3. Idle
  4. Install

100% Correct Answer
Install

The App shell helps with:

  1. Creating a fully optimized site
  2. Improves elements of the UX
  3. Making transitions between pages faster
  4. Making the full page load faster

100% Correct Answer

  • Making transitions between pages faster

A good notification:

  1. it is relevant
  2. It delivers in the background
  3. It has a default action
  4. It can be dismissed

100% Correct Answer

  • it is relevant

Which metric is affected by slow pagespeed?

  1. Conversion rate
  2. Clickthrough rate
  3. Viewthrough rate
  4. Impressions

100% Correct Answer

  • Conversion rate

What’s the fastest and best-optimized resource?

  1. Javascript
  2. Web fonts
  3. The one not sent
  4. An image

100% Correct Answer
The one not sent

When referring to the critical rendering path in site performance, a critical resource is:

  1. any resource that returns 404
  2. a resource that could block initial display of the page
  3. any resource that must be loaded
  4. a resource that takes more than 500ms to load

100% Correct Answer
a resource that could block initial display of the page

When using Chrome devtools, what should you limit the connectivity to?

  1. Regular 3G
  2. Regular 4G
  3. Regular 2G
  4. No Throttling

100% Correct Answer
Regular 3G

Which allows for efficient font reuse between pages?

  1. WOff2 fonts
  2. The local() directive
  3. Revalidation token
  4. The font matching algorithm

100% Correct Answer
Revalidation token

Which changes to “geometric properties” affect the layout?

  1. Top
  2. All of the answers are correct
  3. Heights
  4. Widths

100% Correct Answer

  • All of the answers are correct

Which components often account for most of the downloaded bytes on a web page?

  1. Images
  2. Fonts
  3. Articles
  4. JavaScript

100% Correct Answer
Images

Which describes how a Service Worker operates?

  1. It doesn’t handle network requests coming from the navigation on the website
  2. None of these answer options describe a Service Worker
  3. It runs a programmable network proxy
  4. It can be used only when the user is browsing the website

100% Correct Answer
It runs a programmable network proxy

Which format is preferred for multi-device and high-resolution icons?

  1. Vector (SVG)
  2. PNG
  3. Data URLs
  4. JPEG

100% Correct Answer

  • Vector (SVG)

Which is an example of an unnecessary resource negatively impacting the user experience?

  1. Optimized images
  2. One web font
  3. A photo carousel on the homepage that allows the visitor to preview multiple photos with a quick click
  4. Lazy loading

100% Correct Answer
A photo carousel on the homepage that allows the visitor to preview multiple photos with a quick click

Which is NOT true about Responsive Sites?

  1. Responsive sites usually have faster load times versus separate (m.dot) sites
  2. Responsive Sites are easier to maintain
  3. Responsive Sites are cost-effective
  4. Responsive Sites have one codebase, deployment and URL

100% Correct Answer
Responsive sites usually have faster load times versus separate (m.dot) sites

Which is the best way to discover and prioritize landing pages for UX improvement potential?

  1. Checking All Pages Report focusing on Average Time on Page metric
  2. Checking All Pages Report focusing on Unique Page Views metric
  3. Checking Exit Pages Report focusing on Page Views metric
  4. Checking Landing Pages Report focusing on Bounce Rate metric

100% Correct Answer
Checking Landing Pages Report focusing on Bounce Rate metric

Which is true about calls-to-action usage on mobile homepages?

  1. The same call-to-action should be used both on mobile and desktop sites
  2. A call-to-action should be on the second pag
  3. A call-to-action should be prominent on the visible area of the mobile homepage
  4. A call-to-action should be used in menus only

100% Correct Answer

  • A call-to-action should be prominent on the visible area of the mobile homepage

Related Options:

  1. Use only menus
  2. Keep call to action on the second page
  3. Calls-to-action should be prominent on the visible area of the mobile homepage
  4. Same calls-to-action should be used both on mobile and desktop sites

100% Correct Answer

  • Calls-to-action should be prominent on the visible area of the mobile homepage

Which most accurately describes the purpose of compression?

  1. Combining files
  2. Minimizing file size
  3. fitting more into the cache
  4. Making the code faster

100% Correct Answer
Minimizing file size

Which of the following describes an App shell?

  1. It comprises of all page elements which are dependant of the specific page contents
  2. None
  3. It discourages caching of content that overlaps across pages of the website
  4. It provides a fast first impression gracefully transitioning to a fully loaded page

100% Correct Answer
It provides a fast first impression gracefully transitioning to a fully loaded page

Which of the following describes the Payment Request API correctly?

  1. It bypasses the checkout form
  2. It requires a phone with a fingerprint reader
  3. It replaces your payment processor
  4. It is designed for external card readers

100% Correct Answer

  • It bypasses the checkout form

Which of the following is NOT a best practice for a financial company to keep users from dropping out of the funnel?

  1. Letting users convert as a guest
  2. Remembering and prefilling preferences of registered users in forms
  3. Asking for registration to use the site
  4. Using click-to-call buttons for complicated forms or complex tasks

100% Correct Answer
Asking for registration to use the site

Which of the following is NOT a best practice to optimize forms on mobile?

  1. Exposing options instead of using a drop-down menu
  2. Using a real-time validation for errors in forms
  3. Offering users a numerical keyboard for telephone number field
  4. Showing labels inside form fields for convenience

100% Correct Answer
Showing labels inside form fields for convenience

Which of the following is NOT true about the site search experience on mobile sites?

  1. Users rely on filters to narrow down search results
  2. Positioning site search at the top of a mobile page with an open-text search box is a best practice
  3. Comprehensive search results are better than concise results
  4. Smart-search features like auto-complete and corrected misspelling are especially important to have on small screens

100% Correct Answer

  • Comprehensive search results are better than concise results

Which of the following reports in Google Analytics helps you to identify leakages from the conversion funnel?

  1. Product Performance Report
  2. Checkout Behavior Analysis Report
  3. Device Usage Report
  4. Top Landing Pages Report

100% Correct Answer
Checkout Behavior Analysis Report

Which of the following statements is true about the mobile experience of users?

  1. Users are willing to accept longer load times for high-resolution images
  2. It’s important to show as much information as possible on the visible part of a mobile site
  3. It’s important to show a prominent “Full site” label on a mobile site
  4. it’s important to use call-to-action buttons to keep users in the same browser window

100% Correct Answer
it’s important to use call-to-action buttons to keep users in the same browser window

Which is NOT part of AMP:

  1. Analytics
  2. Custom Fonts
  3. Inline CSS
  4. AMP HTML

100% Correct Answer

  • Inline CSS

Which of these features is part of a Progressive Web App?

  1. Add to home screen
  2. Location API
  3. UX API
  4. Call API

100% Correct Answer
Add to home screen

Which of these should be minimized to deliver the fastest possible time to firstrender?

  1. The number of critical HTML classes
  2. The number of CSS classes
  3. The number of critical JavaScript functions
  4. The number of critical resources

100% Correct Answer
The number of critical resources

Why are push notifications important for advertisers?

  1. The information they deliver can be acted on immediately
  2. They give users the opportunity to re-engage with content they are interested in
  3. All of the answer options are correct
  4. They deliver timely updates to users

100% Correct Answer
All of the answer options are correct

Why can lie-fie result in a poor experience?

  1. It uses more data
  2. It is less secure than Wifi
  3. Some assets might not be loaded
  4. Enabling Wifi reduces battery life

100% Correct Answer
Some assets might not be loaded

Why did Facebook create “2G Tuesdays”?

  1. Facebook didn’t create “2G Tuesdays”
  2. To run a random experiment
  3. To understand how people on 2G use their product
  4. Most users are on 2G

100% Correct Answer
To understand how people on 2G use their product

Why do CSS @imports harm performance?

  1. @import loads files less efficiently than <link>
  2. They create a less efficient CSSOM
  3. They can introduce unwanted dependencies
  4. They require additional CPU time to parse

100% Correct Answer
@import loads files less efficiently than <link>

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