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Google Mobile Sites Certification Questions and Answers







Google Mobile Sites Certification is given by Google and with Google Mobile Sites Certification you can demonstrate your mastery of Google Mobile sites. The Google Mobile Sites Certified users will have professionally capable of working in Agile environment. You have to complete all course videos, modules, and assessments and receive a minimum score of 80% on each assessment to receive credit. Google Mobile Sites Certification will make you expert in Google Mobile Sites, through which you can converts into leads and new customers and gain benefit in your business or career .

Google Mobile Sites Certification Answers

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Google Mobile Sites Certification Questions and Answers

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

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



2. A Progressive Web App:

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



3. Which metric is affected by slow pagespeed?

Clickthrough rate
Impressions
Conversion rate
Viewthrough rate



4. Research shows that mobile users expect to:

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



5. Mobile sites:

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



6. Which most accurately describes the purpose of compression?

Combining files
Minimizing file size
Fitting more into the cache
Making the code faster



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

TRUE
FALSE



8. Why did Facebook create “2G Tuesdays”?

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



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

Idle
Canceled
Stop
Install



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

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



11. Currently, Google Optimize does NOT currently allow you to:

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



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

Within 10% of similar sites
Less than 5000
Greater than 5000
Greater than 95%



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

It is less secure than WiFi
Enabling WiFi reduces battery life
It uses more data
Some assets might not be loaded



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

Exit Pages Report focusing on Page Views metric
Landing Pages Report focusing on Bounce Rate metric
All Pages Report focusing on Unique Page Views metric
All Pages Report focusing on Average Time on Page metric



15. 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.

FALSE
TRUE



16. How does AMP work?

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



17. Which is NOT true about responsive sites?

Responsive sites are cost-effective
Responsive sites are easier to maintain
Responsive sites usually have faster load times versus separate (m.dot) sites²
Responsive sites have one codebase, deployment and URL



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

FALSE
TRUE



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

existing mobile sites
staffing and budget
design process
page speed scores



20. A good notification:

is relevant
can be dismissed
delivers in the background
has a default action



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

Watching a video
Waiting for slow pages to load
Being shown interstitials
Not knowing where to click



22. How can you make the job simpler for the browser?

Follow the style guide
Add more parents
Change the selector to a class
Create more complex CSS



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

dingbats
descenders
variants
ligatures



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

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



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

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



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

Campaign landing page brings the user to the product detail page
Campaign landing page brings the user to a page where the company promotes their phone number to receive calls
Campaign landing page brings the user to the first step of a 3-step lead generation form
Vector (SVG)



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

FALSE
TRUE



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

user experience; speed
images; articles
content; design
analytics; optimization



29. Which of the following describes the Payment Request API correctly?

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



30. What’s the fastest and best-optimized resource?

An image
Web fonts
The one not sent
Javascript



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

Test version of the web page that is modified from the original
Original version of the web page
Greater than 95%
Less than 5000



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

minimize number of critical resources: eliminate them, defer their download, mark them as async, and so on
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
analyze and characterize your critical path: number of resources, bytes, length
optimize the number of critical bytes to reduce the download time (number of roundtrips)



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

TRUE
FALSE



34. Why are push notifications important for advertisers?

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



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

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



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

Top Landing Pages Report
Device Usage Report
Checkout Behavior Analysis Report
Product Performance Report



37. Why do CSS @imports harm performance?

They create a less efficient CSSOM
They require additional CPU time to parse
They can introduce unwanted dependencies
@import loads files less efficiently than



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

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



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

Location API
UX API
Add to home screen
Call API



40. Which of the following describes an App shell?

It discourages caching of content that overlaps across pages of the website
It is comprised of all page elements which are dependant of the specific page contents
None of the answer options are correct
It provides a fast first impression gracefully transitioning to a fully loaded page



41. True or false: To instruct the browser to use the default device width, you would use .

FALSE
TRUE



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

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



43. Which describes how a Service Worker operates?

It can be used only when the user is browsing the website
None of the answer options are correct
It doesn’t handle network requests coming from the navigation on the website
It runs a programmable network proxy



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

Data URLs
Vector (SVG)
PNG
JPEG



45. In the layout step, the browser:

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



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

Fonts
JavaScript
Articles
Images



47. AMP ______ the page ______ waiting for resources to download.

displays; after
caches; before
indexes; while
lays out; without



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

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



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

TRUE
FALSE



50. Which is NOT part of AMP:

AMP HTML
Inline CSS
Custom Fonts
Analytics



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

FALSE
TRUE



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

A call-to-action should be prominent on the visible area of the mobile homepage
The same call-to-action should be used both on mobile and desktop sites
A call-to-action should be on the second page
A call-to-action should be used in menus only



53. Which allows for efficient font reuse between pages?

WOFF2 fonts
The font matching algorithm
Revalidation token
The local() directive



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

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



55. If you’re in an animation like scrolling, you should ideally be looking to keep your JavaScript to something in the region of:

5ms – 6ms
9ms – 10ms
3ms – 4ms
7ms – 8ms



56. The App shell helps with:

Improving elements of the UX
Making transitions between pages faster
Creating a fully optimized site
Making the full page load faster



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

Webpagetest.org
Pingdom.com
Speedtest.net
Speedguide.net



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

DOM and CSSOM trees
UX trees
Pixel pipeline
HTML and JavaScript



59. The render tree contains:

the DOM
content of the page
the styles of the page
visible content



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

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



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

Regular 2G
Regular 4G
Regular 3G
No Throttling



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

GZIP
metadata
raster
vector



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

Color range
Compression
Quality
Rendering speed



64. For each font on your website you should:

Make sure to add as many as possible
Minimize the HTML
Add CSS
Minimize the number of used variants



65. Which changes to “geometric properties” affect the layout?

All of the answers are correct
Top
Heights
Widths



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

critical resources
critical HTML classes
critical JavaScript functions
CSS classes



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

60
35
100
20



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

variants
sized
identical
different



69. Google Optimize does NOT currently allow you to:

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



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

Change the selector to a class
Create more complex CSS
Add more parents
Follow the style guide



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

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



72. 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.

5ms – 6ms
3ms – 4ms
9ms – 10ms
7ms – 8ms



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

rendering speed
color range
quality
compression



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

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



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

minimize number of critical resources: eliminate them, defer their download, mark them as async, and so on
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.
optimize the number of critical bytes to reduce the download time (number of roundtrips)
analyze and characterize your critical path: number of resources, bytes, length.



76. True or false: Constructing the DOM requires style information.

TRUE
FALSE



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

FALSE
TRUE



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

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



79. What is it that the App shell helps with

Creating a fully optimized site
Improves elements of the UX
Making transitions between pages faster
Making the full page load faster



80. What makes a notification good?

it is relevant
It delivers in the background
It has a default action
It can be dismissed



81. What performance metrics are affected by slow pagespeed?

Conversion rate
Clickthrough rate
Viewthrough rate
Impressions



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

Vector (SVG)
PNG
Data URLs
JPEG



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

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



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

Checking All Pages Report focusing on Average Time on Page metric
Checking All Pages Report focusing on Unique Page Views metric
Checking Exit Pages Report focusing on Page Views metric
Checking Landing Pages Report focusing on Bounce Rate metric



85. Which of the following describes the Payment API correctly?

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



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

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



87. Which of these are NOT part of AMP:

Analytics
Custom Fonts
Inline CSS
AMP HTML



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

The number of critical HTML classes
The number of CSS classes
The number of critical JavaScript functions
The number of critical resources



89. Why can lie-fie result in a poor experience?

It uses more data
It is less secure than WiFi
Some assets might not be loaded
Enabling WiFi reduces battery life





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