This Is List of Qestions and ans for Google mobile sites certification exam, all questions and answer are totally correct . you can get 100 out of 100. Total question 65 with Ans ..All The Best
Which is NOT part of AMP:
ANS- Inline Css
A good notification:
ANS -It is relevant
True or false: Constructing the Document Object Model
(DOM) requires style information.
ANS- False
Why can an intermittently available mobile network
result in a poor experience?
ANS- Some assets might not be loaded
Which metric is affected by slow pagespeed?
ANS -Conversion rate
Which can be sacrificed to reduce the file size of an
image?
ANS- Quality
Which is a benefit of a mobile site over an app for
businesses?
ANS -Shorter development timelines. Mobile sites allow
for easy updating (for example, users don’t need to accept or install your
updates.
To deliver the fastest possible time to first render,
you should minimize the number of:
ANS -The number of critical resources
Which is NOT part of AMP: Inline CSS
ANS -Before the browser can render the page, it needs to
construct the: DOM and CSSOM trees
Which format is preferred for the multi-device and
high-resolution icons?
ANS -Vector (SVG)
Why do CSS @imports harm performance?
ANS -@import loads files less efficiently than
<link>
Some users are not comfortable converting on their
mobile device. What could be an action you can take to improve their
experience?
ANS -Offering secondary call-to-action buttons, like
social sharing
What is a tool that you can use to emulate and
simulate a site that’s experiencing poor or unreliable connectivity?
ANS- Webpagetest.org
Resources with responses that are ______ for all
users are great candidates to be cached by a CDN.
ANS -Identical
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.
ANS- 3 – 4ms
You can experiment with Google Analytics features by
using the Google Merchandise Store demo account.
ANS -True
When referring to the critical rendering path in site
performance, a critical resource is:
ANS- a resource that could block initial display of the
page
Why are push notifications important for advertisers?
ANS- All of the answer options are correct
Keeping CSS independent of HTML allows us to
treat_______and _______as separate concerns.
ANS- content; design
AMP ______ the page ______ waiting for resources to
download: lays out
ANS -without
Which of the following is NOT a best practice to
optimize forms on mobile?
ANS Showing labels inside form fields for convenience
How does AMP work?
ANS-All of the above
To optimize for
speed, you shouldn’t use too many webfonts and you should minimize the number
of :
ANS -Variants
What does “Variant
A” in A/B Testing usually represent?
ANS -Original version of the web page
A good notification:
ANS -It is relevant
The render tree
contains:
ANS -visible content
Which is true about
calls-to-action usage on mobile homepages? : ANS -Calls-to-action should
be prominent on the visible area of the mobile homepage
Research shows that
mobile users expect to:
ANS- tap the logo at the top of a mobile page to take them back
to the homepage
Which allows for
efficient font reuse between pages? :
ANS-Revalidation token
What’s the fastest
and best-optimized resource?
ANS-The one not sent
True or false:
Constructing the Document Object Model (DOM) requires style information.
ANS-False
How can you make
the job a lot simpler for the browser? :
ANS- Change the selector to a class
Which components
often account for most of the downloaded bytes on a web page?
ANS-Images
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.
ANS-False
Which is an example
of a situation when an unnecessary resource negatively impacts the user
experience :
Ans-A photo carousel on the homepage that allows the visitor to
preview multiple photos with a quick click
Why did Facebook
create “2G Tuesdays”? :
ANS-To understand how people on 2G use their product
Why can an
intermittently available mobile network result in a poor experience? :
ANS-Some assets might not be loaded
What is it that the
App shell helps with :
ANS-Making transitions between pages faster
Which of the
following statements is true about the mobile experience of users? :
ANS- It’s important to use call-to-action buttons to keep users
in the same browser window
Which describes how
a Service Worker operates?
ANS- It runs a programmable network proxy
Which of these
features is part of a Progressive Web App?
ANS- Add to home screen
For each font on
your website you should:
ANS-Minimize the number of used variants.
Which of the
following describes the Payment API correctly?
ANS- It
bypasses the checkout form
Which metric is
affected by slow pagespeed?
ANS-Conversion rate
How many times per
second do most devices refresh their screens?
ANS- 60
The first step to
optimize the critical rendering path is: analyze and characterize your critical
path:
ANS-number of resources, bytes, length.
Google Optimize
does NOT currently allow you to:
ANS-do heatmap analysis to better understand to user behaviour
on your site
According to a
Google poll, what is the top frustration when users browse the web on their
mobile device?
ANS-Waiting for slow pages to load
Which of the
following reports in Google Analytics helps you to identify leakages from the
conversion funnel?
ANS-Checkout Behavior Analysis Report
Which can be
sacrificed to reduce the file size of an image?
ANS-Quality
Before introducing
mobile site design best practices to your clients, you should examine their. :
ANS-existing Mobile site
Which is a benefit
of a mobile site over an app for businesses? Shorter development timelines.
ANS-Mobile sites allow for easy updating (for example, users
don’t need to accept or install your updates
Mobile pages that
load 1s faster see up to a 27% increase in CvR.
ANS- True
At a minimum, what
Speed Index score should you be aiming for?
ANS-Less than 5000
How do you
prioritize optimization of the mobile site for browser versions or screen
resolutions:
ANS- Look
for the highest number of sessions and lowest conversion rates (or highest
bounce rates)
JavaScript can
block DOM construction unless explicitly declared as async.
Ans-True
Image information
such as location and camera description can often be deleted to reduce image
sizes. This type of information is called:
Ans-Metadata
Mobile sites: have
specific functionality for mobile devices
Which changes to
“geometric properties” affect the layout? :
Ans-all the above
True or false: A/B testing allows you to test two or more elements on the site to
understand their effects on each other :
ANS- False
At a minimum, what
page weight should you be aiming for?
Ans- Less
than 1MB
Which is the best
way to discover and prioritize landing pages for UX improvement potential?
Ans- Checking Landing Pages Report focusing on
Bounce Rate metric
A Progressive Web App:
Ans-works even with
unreliable network through service worker
In which of the following situations can a high bounce rate be
interpreted as a good metric?
Ans-Campaign landing
page brings the user to a page where the company promotes their phone number to
receive calls
To instruct the
browser to use the default device width, you would use meta name=”viewport”
content=”width=device-width”.
ANS- False
Which of the
following describes an App shell?
Ans-It provides a fast first impression gracefully transitioning
to a fully loaded page
What is a valid
event for a Service Worker to emit when it’s registered?
Ans-
Install
When using Chrome
devtools, what should you limit the connectivity to?
Ans- Regular 3G
Which is NOT true
about Responsive Sites?
Ans- Responsive Sites usually have faster load times vs Separate
(m.dot) Sites
Which most
accurately describes the purpose of compression?
Ans- Minimizing file size
To deliver the
fastest possible time to first render, you should minimize the number of:
Ans-The number of critical resources
Images should never
change when rotating a device screen or between different device sizes:
ANS- False
Which of the
following is NOT a best practice for a financial company to keep users from
dropping out of the funnel?
ANS- Asking for registration to use the site
Which of the
following is NOT true about site search experience on mobile sites?
Ans-Comprehensive search results are better than concise results
In the layout step,
the browser:
Ans-computes the size
and position of render tree elements
