Google Mobile Sites Developer Certification Exam – Questions & Answers (2017)
1). Before the browser can render the page, it needs to construct the:
DOM and CSSOM trees
2). What is a tool that you can use to emulate and simulate a site that’s experiencing poor or unreliable connectivity?
3). Which of the following describes the Payment Request API correctly?
It bypasses the checkout form
4). Which of these are NOT part of AMP:
5). True or False: To instruct the browser to use the default device width, you would use <meta name = “viewport” content =“width=device-width”>.
6). Currently Google Optimize does NOT currently allow you to:
Do heat map analysis to better understand to user behavior on your site
7). The Render tree contains:
8). The first step to optimize the critical rendering path is to:
Analyze and characterize your critical path: number of resources, bytes length
9). 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
10). What’s the fastest and best- optimized resource?
The one not sent
11). AMP___the page___waiting for resources to download.
Lays out; without
12). Why did Facebook create “2G Tuesdays”?
To understand how people on 2G use their product
13). Which describes how a Service Worker operates?
It runs a programmable network proxy
14). 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)
15). Which can be sacrificed to reduce file size of an image?
16). What is a benefit of mobile Site over an app for business?
Shorter development timelines
17). In the layout step, the browser:
Compute the size and position of render tree elements
19). 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.
20). Which of the following reports in Google Analytics helps you to identify leakages from the conversion funnel?
Checkout Behavior Analysis Report
21). Research shows that mobile users expect to:
Tap the logo at the top of a mobile page to take them back to the homepage
23). To optimize for speed, you shouldn’t use too many web fonts and you should minimize the number of___.
24). Which allows for efficient font reuse between pages?
25). A good notification:
26). Why are push notifications important for advertisers?
All of the answer options are correct
27). When using Chrome devtools, what should you limit the connectivity to?
28). A Progressive Web App:
Works even with unreliable network through service worker
29). Which most accurately describes the purpose of compression?
Minimizing file size
30). What is a valid event for a Service Worker to emit when it’s registered?
31). At a minimum, what page weight should you be aiming for?
Less than 1 MB
32). Which of the following is NOT a best practice for a financial company to keep users from dropping out of the funnel?
Asking for registration to use the site
33). Which of these features is part of a Progressive Web App?
Add to home screen
34). For each font on your website you should:
Minimize the number of used variants
35). Before introducing Mobile Site design best practices to your clients, you should examine their:
Existing mobile sites
36). Which is NOT true about responsive sites?
Responsive sites usually have faster load times versus separate (m.dot) sites
37). Which components often account for most of the downloaded bytes on a web page?
38). How can you make the job simpler for the browser?
Change the selector to a class
39). Which metric is affected by slow pagespeed?
40). Which of the following describes an App shell?
It provides a fast first impression gracefully transitioning to a fully loaded page
41). True or False: You can experiment with Google Analytics features by using the Google Merchandise Store demo account.
42). True or False: Constructing the Document Object Model (DOM) requires style information.
43). According to a Google poll, what is the top frustration when users browse the web on their mobile device?
Waiting for slow pages to load
44). The App shells helps with:
Making transitions between Pages faster
45). Keeping CSS independent of HTML allows us to treat___ and___as separate concerns.
46). What does “Variant A” in A/B Testing usually represent?
Original version of the web page
47). How many times per second do most devices refresh their screens?
48). Which of the following is NOT true about the site search experience on mobile site?
Comprehensive search results are better than concise results
49). Resources with responses that are___ for all users are great candidates to be cached by a CDN.
50). Mobile Sites:
Have specific functionality for mobile devices
51). To discover and prioritize landing pages for potential improvements to the user design, you should check the:
Landing Pages Report focusing on Bounce Rate metric
52). Which of the following is NOT a best practice to optimize forms on mobile?
Showing labels inside form fields for convenience
53). How does AMP work?
All of the answers are correct
54). True or False: A/B testing allows you to test two or more elements on the site to understand their effects on each other:
55). To deliver the fastest possible time to first render, you should minimize the number of:
56). 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
57). True or False: Mobile pages that load one second faster see up to a 27% increase in conversion rate.
58). 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
59). True or False: Images should never change when rotating a device screen or between different device sizes.
60). In which of the following situations can a high bounce rate be interpreted as a good metric?
Campaign landing page brings the user to a page where the company promotes their phone number to receive calls
61). Which format is preferred for multi-device and high-resolution icons?
62). Image formation such as location and camera description can often be deleted to reduce image sizes. This type of information is called:
63). When referring to the critical rendering path in site performance, a critical resource is:
A resource that could block initial display of the page
64). 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
65). Why can an intermittently available mobile network result in a poor experience?
Some assets might not be loaded