Google Mobile Sites Certification Assessment Exam Answers 2019 PDF
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Google Mobile Sites Certification Assessment Exam Answers 2019 PDF
https://www.certificationanswers.com/en/category/google-mobile-sites/
Score 100% in last review (see the image).
The language of the answers are in English. In Google Ads exams, you can choose the language before the exam and when you pass you can see the certification in your language.
Some questions:
Which describes how a Service Worker operates?
It doesn’t handle network requests coming from the navigation on the website
It runs a programmable network proxy
None of the answer options are correct
It can be used only when the user is browsing the website
When referring to the critical rendering path in site performance, a critical resource is:
any resource that must be loaded
a resource that could block initial display of the page
any resource that returns a 404
a resource that takes more than 500ms to load
Why did Facebook create “2G Tuesdays”?
To understand how people on 2G use their product
Most users are on 2G
To run a random experiment
Facebook didn’t create “2G Tuesdays”
A Progressive Web App:
works even with unreliable network through service worker
slows experience and therefore decreases conversion rate
needs high bandwidth environments
is the same as Accelerated Mobile Page
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
Using click-to-call buttons for complicated forms or complex tasks
Asking for registration to use the site
In the layout step, the browser:
first resizes elements before computing their position
forces the DOM to be rebuilt
“computes the size and position of render tree elements “
displays the on-screen elements in their new positions
Which is an example of an unnecessary resource negatively impacting the user experience?
A photo carousel on the homepage that allows the visitor to preview multiple photos with a quick click
One web font
Optimized images
Lazy loading
Why are push notifications important for advertisers?
All of the answer options are correct
The information they deliver can be acted on immediately
They give users the opportunity to re-engage with content they are interested in
They deliver timely updates to users
Why can an intermittently available mobile network result in a poor experience?
It uses more data
Enabling WiFi reduces battery life
Some assets might not be loaded
It is less secure than WiFi
To discover and prioritize landing pages for potential improvements to the user design, you should check the:
All Pages Report focusing on Unique Page Views metric
Landing Pages Report focusing on Bounce Rate metric
Exit Pages Report focusing on Page Views metric
All Pages Report focusing on Average Time on Page metric
Which of the following is NOT a best practice to optimize forms on mobile?
Showing labels inside form fields for convenience
Using a real-time validation for errors in forms
Exposing options instead of using a drop-down menu
Offering users a numerical keyboard for telephone number field
Before introducing mobile site design best practices to your clients, you should examine their:
staffing and budget
page speed scores
design process
existing mobile sites
AMP ______ the page ______ waiting for resources to download.
displays; after
caches; before
indexes; while
lays out; without
When using Chrome devtools, what should you limit the connectivity to?
a – No Throttling
b – Regular 4G
c – Regular 3G
d – Regular 2G
The render tree contains:
the styles of the page
visible content
content of the page
the DOM
True or false: Constructing the Document Object Model (DOM) requires style information.
False
True
Keeping CSS independent of HTML allows us to treat_______and _______as separate concerns.
content; design
user experience; speed
analytics; optimization
images; articles
What is a valid event for a Service Worker to emit when it’s registered?
Canceled
Install
Idle
Stop
At a minimum, what page weight should you be aiming for?
Less than 1MB
More than 3MB
2MB
2.1MB
True or false: You can experiment with Google Analytics features by using the Google Merchandise Store demo account.
True or false: A/B testing allows you to test two or more elements on the site to understand their effects on each other
Which of the following reports in Google Analytics helps you to identify leakages from the conversion funnel?
Device Usage Report
Top Landing Pages Report
Product Performance Report
Checkout Behavior Analysis Report
Mobile sites:
are accessed through the desktop device’s web browser
need to be downloaded or installed to a device
have specific functionality for mobile devices
require approvals to access
To deliver the fastest possible time to first render, you should minimize the number of:
a – critical HTML classes
b – critical resources
c – critical JavaScript functions
d – CSS classes
Which of these features is part of a Progressive Web App?
UX API
Location API
Call API
Add to home screen
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
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
Users rely on filters to narrow down search results
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
True or false: Mobile pages that load 1 second faster see up to a 27% increase in conversion rate.
Which metric is affected by slow pagespeed?
Clickthrough rate
Conversion rate
Viewthrough rate
Impressions
The App shell helps with:
Making transitions between pages faster
Making the full page load faster
Improving elements of the UX
Creating a fully optimized site
How do you prioritize optimization of a mobile site for browser versions or screen resolutions:
Look for the oldest version of your site
Look for the highest number of sessions and lowest conversion rates (or highest bounce rates)
Prioritize the site with the highest conversion rates
Optimize all at the same time
What’s the fastest and best-optimized resource?
An image
Web fonts
The one not sent
Javascript
Image information such as location and camera description can often be deleted to reduce image sizes. This type of information is called:
raster
GZIP
metadata
vector
How many times per second do most devices refresh their screens?
35
100
20
60
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
Resources with responses that are ______ for all users are great candidates to be cached by a CDN.
sized
different
variants
identical
Which of the following describes the Payment Request API correctly?
a – It is designed for external card readers
b – It replaces your payment processor
c – It bypasses the checkout form
d – It requires a phone with a fingerprint reader
Which allows for efficient font reuse between pages?
Revalidation token
The local() directive
The font matching algorithm
WOFF2 fonts
Which is NOT true about responsive sites?
a – Responsive sites are easier to maintain
b – Responsive sites are cost-effective
c – Responsive sites have one codebase, deployment andURL
d – Responsive sites usually have faster load times versus separate (m.dot) sites
What does “Variant A” in A/B Testing usually represent?
Greater than 95%
Less than 5000
Test version of the web page that is modified from the original
Original version of the web page
At a minimum, what Speed Index score should you be aiming for?
Within 10% of similar sites
Greater than 5000
According to a Google poll, what is the top frustration when users browse the web on their mobile device?
Not knowing where to click
Watching a video
Waiting for slow pages to load
Being shown interstitials
Currently, Google Optimize does NOT currently allow you to:
use your existing goals and metrics in Google Analytics as experiment objectives
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
do heatmap analysis to better understand to user behaviour on your site
The first step to optimize the critical rendering path is to:
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
minimize number of critical resources: eliminate them, defer their download, mark them as async, and so on
For each font on your website you should:
Minimize the HTML
Make sure to add as many as possible
Minimize the number of used variants
Add CSS
What is a tool that you can use to emulate and simulate a site that’s experiencing poor or unreliable connectivity?
Pingdom.com
Webpagetest.org
Speedtest.net
Speedguide.net
Which most accurately describes the purpose of compression?
Combining files
Minimizing file size
Fitting more into the cache
Making the code faster
True or false: JavaScript can block DOM construction unless explicitly declared as async.
Which is a benefit of a mobile site over an app for businesses?
You have to build a separate site for tablets and phones
Shorter development timelines
Mobile sites only work on Android
Mobile sites require approvals before one can gain access
Before the browser can render the page, it needs to construct the:
HTML and JavaScript
UX trees
Pixel pipeline
DOM and CSSOM trees
If you’re in an animation like scrolling, you should ideally be looking to keep your JavaScript to something in the region of:
7ms – 8ms
5ms – 6ms
3ms – 4ms
9ms – 10ms
Which changes to “geometric properties” affect the layout?
Widths
Top
Heights
Which of the following statements is true about the mobile experience of users?
a – Users are willing to accept longer load times for high-resolution images
b – It’s important to show as much information as possible on the visible part of a mobile site
c – It’s important to use call-to-action buttons to keep users in the same browser window
d – It’s important to show a prominent “full site” label on a mobile site
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 first step of a 3-step lead generation form
Vector (SVG)
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
Which of the following describes an App shell?
a – It provides a fast first impression gracefully transitioning to a fully loaded page
b – It discourages caching of content that overlaps across pages of the website
c – It is comprised of all page elements which are dependant of the specific page contents
d – None of the answer options are correct
A good notification:
is relevant
has a default action
delivers in the background
can be dismissed
To optimize for speed, you shouldn’t use too many webfonts and you should minimize the number of _____.
ligatures
dingbats
descenders
Why do CSS @imports harm performance?
They create a less efficient CSSOM
@import loads files less efficiently than <link>
They require additional CPU time to parse
They can introduce unwanted dependencies
Which is NOT part of AMP:
Custom Fonts
Inline CSS
AMP HTML
Analytics
True or false: To instruct the browser to use the default device width, you would use <meta name=”viewport” content=”width=device-width”>
Which format is preferred for multi-device and high-resolution icons?
Data URLs
JPEG
PNG
Which can be sacrificed to reduce the file size of an image?
Rendering speed
Color range
Compression
Quality
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
A call-to-action should be on the second page
The same call-to-action should be used both on mobile and desktop sites
A call-to-action should be used in menus only
Which components often account for most of the downloaded bytes on a web page?
Fonts
Articles
Images
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.
Research shows that mobile users expect to:
a – see the logo below the fold on mobile sites
b – tap the logo at the top of a mobile page to take them to new products
c – tap the logo at the top of a mobile page to take them to a “Contact Us” page
d – tap the logo at the top of a mobile page to take them back to the homepage
Some users aren’t comfortable converting on their mobile device. What could be an action you can take to improve their experience?
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
Showing the desktop version of the site on mobile devices
True or false: Images should never change when rotating a device screen or between different device sizes.
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