AdWords Mobile Sites Certification Exam Answer

1. Answer Sources www.answersources.com Study Guide for Adwords Certification, Bing, Hubspot Exam & More!! Mobile Sites Exam Answer A few things to know before taking Mobile Sites Exam There are 65 questions. It should take 90 Minutes to complete. You will need a score of minimum 80% to pass Validity Period of 12 Months Click Below to Get Others Exam Answer: Google AdWords Exam Answers Google Analytics Exam Answers Bing Exam Answers Hubspot Exam Answers

2. Mobile Sites Certification Exam Answer How does AMP work? Answer Allows only asynchronous scripts All of the answers are correct Keeps all third-party JavaScript out of the critical path Doesn’t let extension mechanisms block rendering Why do CSS @imports harm performance? Answer They create a less efficient CSSOM They require additional CPU time to parse @import loads files less efficiently than <link> They can introduce unwanted dependencies 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. Answer True False How do you prioritize optimization of a mobile site for browser versions or screen resolutions: Answer Look for the oldest version of your site

3. 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 Which of these features is part of a Progressive Web App? Answer UX API Add to home screen Call API Location API Which of the following is NOT a best practice for a financial company to keep users from dropping out of the funnel? Answer Asking for registration to use the site Letting users convert as a guest Remembering and prefilling preferences of registered users in forms Using click-to-call buttons for complicated forms or complex tasks Which most accurately describes the purpose of compression? Answer Combining files Fitting more into the cache Minimizing file size Making the code faster

4. Which of the following describes an App shell? Answer 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 It discourages caching of content that overlaps across pages of the website How can you make the job simpler for the browser? Answer Change the selector to a class Add more parents Create more complex CSS Follow the style guide Which of the following is NOT a best practice to optimize forms on mobile? Answer 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 Showing labels inside form fields for convenience Which components often account for most of the downloaded bytes on a web page? Answer JavaScript

5. Articles Fonts Images If you’re in an animation like scrolling, you should ideally be looking to keep your JavaScript to something in the region of: Answer 9ms - 10ms 3ms - 4ms 5ms - 6ms 7ms - 8ms Which can be sacrificed to reduce the file size of an image? Answer Color range Compression Rendering speed Quality True or false: To instruct the browser to use the default device width, you would use <meta name="viewport" content="width=device-width"> Answer False True Which of the following is NOT true about the site search experience on mobile sites? Answer

6. Users rely on filters to narrow down search results 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 Positioning site search at the top of a mobile page with an open-text search box is a best practice Before introducing mobile site design best practices to your clients, you should examine their: Answer page speed scores existing mobile sites staffing and budget design process Which changes to “geometric properties” affect the layout? Answer Heights Widths All of the answers are correct Top True or false: A/B testing allows you to test two or more elements on the site to understand their effects on each other Answer True False

7. Keeping CSS independent of HTML allows us to treat_______and _______as separate concerns. Answer analytics; optimization images; articles content; design user experience; speed A Progressive Web App: Answer works even with unreliable network through service worker is the same as Accelerated Mobile Page slows experience and therefore decreases conversion rate needs high bandwidth environments True or false: You can experiment with Google Analytics features by using the Google Merchandise Store demo account. Answer False True Resources with responses that are ______ for all users are great candidates to be cached by a CDN. Answer variants sized different

8. identical Which is NOT true about responsive sites? Answer Responsive sites are cost-effective Responsive sites usually have faster load times versus separate (m.dot) sites Responsive sites have one codebase, deployment and URL Responsive sites are easier to maintain To discover and prioritize landing pages for potential improvements to the user design, you should check the: Answer All Pages Report focusing on Unique Page Views metric All Pages Report focusing on Average Time on Page metric Exit Pages Report focusing on Page Views metric Landing Pages Report focusing on Bounce Rate metric True or false: Constructing the Document Object Model (DOM) requires style information. Answer False True True or false: Mobile pages that load 1 second faster see up to a 27% increase in conversion rate. Answer true false

9. When using Chrome devtools, what should you limit the connectivity to? Answer Regular 4G No Throttling Regular 3G Regular 2G Which is true about calls-to-action usage on mobile homepages? Answer A call-to-action should be prominent on the visible area of the mobile homepage A call-to-action should be used in menus only A call-to-action should be on the second pag The same call-to-action should be used both on mobile and desktop sites Which is a benefit of a mobile site over an app for businesses? Answer Mobile sites only work on Android 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: Answer need to be downloaded or installed to a device are accessed through the desktop device’s web browser

10. require approvals to access have specific functionality for mobile devices The render tree contains: Answer the DOM content of the page visible content the styles of the page The App shell helps with: Answer Creating a fully optimized site Making the full page load faster Making transitions between pages faster Improving elements of the UX According to a Google poll, what is the top frustration when users browse the web on their mobile device? Answer Being shown interstitials Not knowing where to click Waiting for slow pages to load Watching a video Which metric is affected by slow pagespeed? Answer

11. Clickthrough rate Conversion rate Viewthrough rate Impressions Why are push notifications important for advertisers? Answer They deliver timely updates to users All of the answer options are correct They give users the opportunity to re-engage with content they are interested in The information they deliver can be acted on immediately Which of the following describes the Payment Request API correctly? Answer 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 Research shows that mobile users expect to: Answer see the logo below the fold on mobile sites tap the logo at the top of a mobile page to take them back to the homepage tap the logo at the top of a mobile page to take them to new products tap the logo at the top of a mobile page to take them to a “Contact Us” page

12. True or false: JavaScript can block DOM construction unless explicitly declared as async. Answer false true Which of the following statements is true about the mobile experience of users? Answer 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 It's important to use call-to-action buttons to keep users in the same browser window True or false: Images should never change when rotating a device screen or between different device sizes. Answer True False Before the browser can render the page, it needs to construct the: Answer DOM and CSSOM trees Pixel pipeline UX trees HTML and JavaScript

13. Which describes how a Service Worker operates? Answer None of the answer options are correct It runs a programmable network proxy It can be used only when the user is browsing the website It doesn’t handle network requests coming from the navigation on the website The first step to optimize the critical rendering path is to: Answer 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 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) What is a tool that you can use to emulate and simulate a site that's experiencing poor or unreliable connectivity? Answer Pingdom.com Speedtest.net Speedguide.net Webpagetest.org AMP ______ the page ______ waiting for resources to download. Answer displays; after

14. indexes; while caches; before lays out; without In which of the following situations can a high bounce rate be interpreted as a good metric? Answer 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 Vector (SVG) Campaign landing page brings the user to the first step of a 3-step lead generation form Image information such as location and camera description can often be deleted to reduce image sizes. This type of information is called: Answer raster metadata GZIP vector At a minimum, what Speed Index score should you be aiming for? Answer Within 10% of similar sites Greater than 5000 Less than 5000

15. Greater than 95% What is a valid event for a Service Worker to emit when it's registered? Answer Stop Install Idle Canceled Why can an intermittently available mobile network result in a poor experience? Answer It is less secure than WiFi It uses more data Enabling WiFi reduces battery life Some assets might not be loaded At a minimum, what page weight should you be aiming for? Answer 2MB 2.1MB More than 3MB Less than 1MB A good notification: Answer delivers in the background

16. can be dismissed is relevant has a default action Some users aren't comfortable converting on their mobile device. What could be an action you can take to improve their experience? Answer 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 Currently, Google Optimize does NOT currently allow you to: Answer do heatmap analysis to better understand to user behaviour on your site serve experiments to specific groups of users that you've defined as Audiences in Google Analytics test new website designs, layouts and content with a subset of your visitors use your existing goals and metrics in Google Analytics as experiment objectives Which format is preferred for multi-device and high-resolution icons? Answer JPEG PNG Vector (SVG) Data URLs

17. What’s the fastest and best-optimized resource? Answer An image Web fonts The one not sent Javascript Which of the following reports in Google Analytics helps you to identify leakages from the conversion funnel? Answer Device Usage Report Top Landing Pages Report Product Performance Report Checkout Behavior Analysis Report For each font on your website you should: Answer Minimize the number of used variants Make sure to add as many as possible Minimize the HTML Add CSS What does “Variant A” in A/B Testing usually represent? Answer Greater than 95% Test version of the web page that is modified from the original

18. Original version of the web page Less than 5000 To optimize for speed, you shouldn't use too many webfonts and you should minimize the number of _____. Answer dingbats descenders variants ligatures Which is an example of an unnecessary resource negatively impacting the user experience? Answer One web font A photo carousel on the homepage that allows the visitor to preview multiple photos with a quick click Optimized images Lazy loading Which allows for efficient font reuse between pages? Answer WOFF2 fonts The font matching algorithm The local() directive Revalidation token

19. When referring to the critical rendering path in site performance, a critical resource is: Answer any resource that returns a 404 any resource that must be loaded a resource that takes more than 500ms to load a resource that could block initial display of the page Why did Facebook create “2G Tuesdays”? Answer To run a random experiment Most users are on 2G Facebook didn’t create “2G Tuesdays” To understand how people on 2G use their product In the layout step, the browser: Answer "computes the size and position of render tree elements " forces the DOM to be rebuilt first resizes elements before computing their position displays the on-screen elements in their new positions Which is NOT part of AMP: Answer Analytics Inline CSS AMP HTML

20. Custom Fonts To deliver the fastest possible time to first render, you should minimize the number of: Answer critical HTML classes critical resources critical JavaScript functions CSS classes How many times per second do most devices refresh their screens? Answer • 35 • 60 • 20 • 100