CertificationAnswers

True or false: To instruct the browser to use the default device width, you would use <meta name=”viewport” content=”width=device-width”>.

False

True

Explanation:

Using the meta viewport value [width=device-width] instructs the page to match the screen’s width in device independent pixels. This allows the page to reflow content to match different screen sizes.

Read more here: https://developers.google.com/speed/docs/insights/ConfigureViewport

Which is a benefit of a 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

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.

True

False

Explanation:

Unsurprisingly, participants had a much easier time navigating mobile-optimized sites than trying to navigate desktop sites on mobile devices. Sites that included a mix of desktop and mobile-optimized pages were actually harder for participants to use than all-desktop sites.

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

If you’re in an animation like scrolling, you should ideally be looking to keep your JavaScript to something in the region of:

3ms – 4ms

9ms – 10ms

5ms – 6ms

7ms – 8ms

Which changes to “geometric properties” affect the layout?

Heights

Widths

Top

All of the above