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.

QUESTION

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.

 A)  3 – 4ms

 B)  5 – 6ms

 C)  7 – 8ms

 D)  9 – 10ms

The correct answer is:

 A)  3 – 4ms

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.
Explanation: We will update later. sincerely thank

What is it that the App shell helps with

QUESTION

What is it that the App shell helps with

Making the full page load faster

Creating a fully optimized site

Making transitions between pages faster

Improves elements of the UX

The correct answer is:

Making transitions between pages faster

What is it that the App shell helps with
Explanation:

An application shell is the minimal HTML, CSS, and JavaScript powering a user interface. The application shell should:

Load fast

Be cached

Dynamically display content

Read more here: https://support.google.com/partners/answer/7336597

An application shell is the minimal HTML, CSS, and JavaScript powering a user interface. The application shell should:

Load fast

Be cached

Dynamically display content

App shell architecture separates the core application infrastructure and UI from the data. All of the UI and infrastructure is cached locally using a service worker so that on subsequent loads, the Progressive Web App only needs to retrieve the necessary data, instead of having to load everything.

An application shell is the secret to reliably good performance. Think of your app’s shell like the bundle of code you’d publish to an app store if you were building a native app. It’s the load needed to get off the ground, but might not be the whole story. It keeps your UI local and pulls in content dynamically through an API.

Using the app shell architecture allows you to focus on speed, giving your Progressive Web App similar properties to native apps: instant loading and regular updates, all without the need of an app store.

The first step is to break the design down into its core components.

Ask yourself:

What needs to be on screen immediately?

What other UI components are key to our app?

What supporting resources are needed for the app shell? For example images, JavaScript, styles, etc.

Let’s say you’re going to create a Weather app as a Progressive Web App. The key components would consist of:

Header with a title, and add/refresh buttons

Container for forecast cards

A forecast card template

A dialog box for adding new cities

A loading indicator

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

QUESTION

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

Checking Landing Pages Report focusing on Bounce Rate metric

Checking Exit Pages Report focusing on Page Views metric

Checking All Pages Report focusing on Unique Page Views metric

Checking All Pages Report on Average Time on Page metric

The correct answer is:

Checking Landing Pages Report focusing on Bounce Rate metric

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

Prioritize landing pages for UX improvements: By looking at the Bounce Rate (the percentage of single-page sessions i.e. sessions in which the person left your site from the entrance page without interacting with the page) you can see how relevant or engaging your site is to users. If you have a high bounce rate for some of your entrance (or landing) pages, you consider redesigning and optimizing them so they correlate better with the search terms that bring users to your site, with ads you’re running, or with keywords you’ve purchased.

Google Mobile Sites Certification Assessment Exam Answers 2018

QUESTION

Google Mobile Sites Certification Assessment Exam Answers 2018

It requires a phone number with a fingerprint reader

It replaces your payment processor

It is designed for external card readers

It bypasses the checkout form

Get in Mobile Sites Certified Now!

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

lazy loading

optimized images

one web font

Making transitions between pages faster

Improves elements of the UX

Making the full page load faster

Creating a fully optimized site

Conversion rate

Impressions

Clickthrough rate

Viewthrough rate

3ms – 4ms

9ms – 10ms

5ms – 6ms

7ms – 8ms

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

use your existing goals and metrics in Google Analytics as experiment objectives

Mobile sites require approvals before one can gain access

Mobile sites only work on Android

Shorter development timelines

You have to build a separate site for tablets and phones

Landing Pages Report focusing on Bounce Rate metric

All Pages Report focusing on Average Time on Page metric

All Pages Report focusing on Unique Page Views metric

Exit Pages Report focusing on Page Views metric

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)

minimize number of critical resources: eliminate them, defer their download, mark them as async, and so on

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

is relevant

delivers in the background

has a default action

can be dismissed

critical resources

CSS classes

critical JavaScript functions

critical HTML classes

It uses more data

Enabling WIFI reduces battery life

Some assets might not be loaded

It is less secure than WIFI

True

False

compression

color range

quality

rendering speed

True

False

It bypasses the checkout form

It requires a phone number with a fingerprint reader

It replaces your payment processor

It is designed for external card readers

===

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

lazy loading

optimized images

one web font    

Making transitions between pages faster

Improves elements of the UX

Making the full page load faster

Creating a fully optimized site

Conversion rate

Impressions

Clickthrough rate

Viewthrough rate

3ms – 4ms

9ms – 10ms

5ms – 6ms

7ms – 8ms

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

use your existing goals and metrics in Google Analytics as experiment objectives

Mobile sites require approvals before one can gain access

Mobile sites only work on Android

Shorter development timelines

You have to build a separate site for tablets and phones

Landing Pages Report focusing on Bounce Rate metric

All Pages Report focusing on Average Time on Page metric

All Pages Report focusing on Unique Page Views metric

Exit Pages Report focusing on Page Views metric

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)

minimize number of critical resources: eliminate them, defer their download, mark them as async, and so on

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

is relevant

delivers in the background

has a default action

can be dismissed

The correct answer is:

It bypasses the checkout form

Google Mobile Sites Certification Assessment Exam Answers 2018
Explanation:

critical resources

CSS classes

critical JavaScript functions

critical HTML classes  

The correct answer is:

It bypasses the checkout form

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

QUESTION

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

The number of critical JavaScript functions

The number of critical resources

The number of critical HTML classes

the number of CSS classes

The correct answer is:

 

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

To deliver the fastest possible time to first render, we need to minimize three variables:

The number of critical resources.

The critical path length.

The number of critical bytes.

A critical resource is a resource that could block initial rendering of the page. The fewer of these resources, the less work for the browser, the CPU, and other resources.

Read more here: https://support.google.com/partners/answer/7336426

To deliver the fastest possible time to first render, we need to minimize three variables:

The number of critical resources.

The critical path length.

The number of critical bytes.

A critical resource is a resource that could block initial rendering of the page. The fewer of these resources, the less work for the browser, the CPU, and other resources.

Similarly, the critical path length is a function of the dependency graph between the critical resources and their bytesize: some resource downloads can only be initiated after a previous resource has been processed, and the larger the resource the more roundtrips it takes to download.

Finally, the fewer critical bytes the browser has to download, the faster it can process content and render it visible on the screen. To reduce the number of bytes, we can reduce the number of resources (eliminate them or make them non-critical) and ensure that we minimize the transfer size by compressing and optimizing each resource.

What performance metrics are affected by slow pagespeed?

QUESTION

What performance metrics are affected by slow pagespeed?

Clickthrough rate

Viewthrough rate

Conversion rate

Impressions

The correct answer is:

Conversion rate

What performance metrics are affected by slow pagespeed?
Explanation:

Optimizing the critical rendering path allows the browser to paint the page as quickly as possible: faster pages translate into higher engagement, more pages viewed, and improved conversion.

Read more here: https://support.google.com/partners/answer/7336587

Identifying and resolving critical rendering path performance bottlenecks requires good knowledge of the common pitfalls. Let’s take a hands-on tour and extract common performance patterns that will help you optimize your pages.

Optimizing the critical rendering path allows the browser to paint the page as quickly as possible: faster pages translate into higher engagement, more pages viewed, and improved conversion. To minimize the amount of time a visitor spends viewing a blank screen, we need to optimize which resources are loaded and in which order.

What makes a notification good?

QUESTION

What makes a notification good?

It has a default action

It can be dismissed

it is relevant

It delivers in the background

The correct answer is:

it is relevant

What makes a notification good?
Explanation:

Push notifications are one of the most valuable capabilities of native apps, and this capability is now available on the web. To get the most out of them, notifications need to be timely, precise, and relevant.

Read more here: https://support.google.com/partners/answer/7336533

If you ask a room of developers what mobile device features are missing from the web, push notifications are always high on the list.

Web push notifications allow users to opt-in to timely updates from sites they love and allow you to effectively re-engage them with customized, relevant content.

The Push API and Notification API open a whole new set of possibilities for you to re-engage with your users.

Push and notification use different, but complementary, APIs: push is invoked when a server supplies information to a service worker; a notification is the action of a service worker or web page script showing information to a user.

Yes. Push is based on service workers because service workers operate in the background. This means the only time code is run for a push notification (in other words, the only time the battery is used) is when the user interacts with a notification by clicking it or closing it.

If you’re not familiar with service workers, read the service worker introduction. We will use service worker code in later sections when we show you how to implement pushes and notifications.

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

QUESTION

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

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

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

The correct answer is:

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

What is a benefit of mobile site over an app for businesses?
Explanation: We will update later. sincerely thank

Why can lie-fie result in a poor experience?

QUESTION

Why can lie-fie result in a poor experience?

Some assets might not be loaded

It is less secure than WIFI

It uses more data

Enabling WIFI reduces battery life

The correct answer is:

Some assets might not be loaded

Why can lie-fie result in a poor experience?
Explanation:

Your browser behaves as if it has connectivity when, for whatever reason, it doesn’t.

Misinterpreted connectivity can result in a poor experience as the browser (or JavaScript) persists in trying to retrieve resources rather than giving up and choosing a sensible fallback. Lie-fi can actually be worse than offline; at least if a device is definitely offline, your JavaScript can take appropriate evasive action.

Read more here: https://support.google.com/partners/answer/7336589

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

QUESTION

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

True

False

The correct answer is:

False

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

Design your mobile site so that users won’t ever need to change the size. Some mobile sites even disable pinch-to-zoom on their screens; if your site is designed correctly, users will never notice it’s gone.

Read more here: https://support.google.com/partners/answer/7336290

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