Google Mobile Sites Exam Answers

A good notification: It is relevant It delivers in the background It can be dismissed It has a default action Correct answer is It is relevant Explanation: Push notifications are one of the most valuable capabilities of native apps, and…

True or false: Constructing the Document Object Model (DOM) requires style information. True False Correct answer is: False Explanation: DOM construction: Finally, because the HTML markup defines relationships between different tags (some…

To deliver the fastest possible time to first render, you should minimize the number of: The number of CSS classes The number of critical JavaScript functions The number of critical resources The number of critical HTML classes Correct…

AMP ______ the page ______ waiting for resources to download: indexes; while caches; before lays out; without displays; after Correct answer is: lays out; without Explanation: External resources such as images, ads or iframes must state…

Which of the following is NOT a best practice to optimize forms on mobile? Exposing options instead of using a drop-down menu Using a real-time validation for errors in forms Showing labels inside form fields for convenience Offering…

How does AMP work? Keeps all third-party JavaScript out of the critical path All of the above Doesn’t let extension mechanisms block rendering Allows only asynchronous scripts Correct answer is: All of the above Explanation AMP doesn’t…

To optimize for speed, you shouldn’t use too many webfonts and you should minimize the number of _____. Dingbats Variants Descenders Ligatures Correct answer is: Variants Explanation: Audit and monitor your font use: don’t use too many…

What does “Variant A” in A/B Testing usually represent? Test version of the web page that is modified from the original Original version of the web page Correct answer is: Original version of the web page Explanation: Variant A is the…

Before the browser can render the page, it needs to construct the: Pixel pipeline DOM and CSSOM trees UX trees HTML and JavaScript Correct answer is: DOM and CSSOM trees Explanation: Before the browser can render the page, it needs to…

The render tree contains: visible content content of the page the DOM the styles of the page Correct answer is: visible content Explanation: The CSSOM and DOM trees are combined into a render tree, which is then used to compute the layout…

Which format is preferred for the multi-device and high-resolution icons? PNG Vector (SVG) Data URLs JPEG Correct answer is: Vector (SVG) Explanation: vector images are resolution and scale independent, which makes them a perfect fit for…

Which is true about calls-to-action usage on mobile homepages? Same calls-to-action should be used both on mobile and desktop sites Use only menus Keep call to action on the second page Calls-to-action should be prominent on the visible…

Why do CSS @imports harm performance? They can introduce unwanted dependencies They create a less efficient CSSOM @import loads files less efficiently than They require additional CPU time to parse Correct answer is: @import loads files…

Research shows that mobile users expect to: 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 a “Contact Us” page see the logo below the fold on mobile…

Some users are not comfortable converting on their mobile device. What could be an action you can take to improve their experience? Making your primary call-to-action buttons more prominent Showing the desktop version of the site on…

Which allows for efficient font reuse between pages? The local() directive The font matching algorithm Revalidation token WOFF2 fonts Correct answer is: Revalidation token Explanation: Specify revalidation and optimal caching policies:…