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51
___________ is used to test whether geolocation is supported in old browsers.
Discuss
Answer & Solution
Answer: Option C
Solution:
Since Modernizr is a JavaScript object with methods, we can use Modernizr.geolocation to test whether geolocation is supported.
52
____________ is a resource loader (CSS and JavaScript) that was made to specifically to work side-by-side with Modernizr.
Discuss
Answer & Solution
Answer: Option C
Solution:
Modernizr.load is optional in your build, but if you are loading polyfills, there’s a good chance it can save you some bandwidth and boost performance a bit.
53
In case we want to implement a JavaScript fallback, we would need to create a conditional statement using Modernizr.
Discuss
Answer & Solution
Answer: Option A
Solution:
Modernizr is a JavaScript library that detects which HTML5 and CSS3 features your visitor’s browser supports.
54
Metadata store information about the web page that is not necessarily visible to end users.
Discuss
Answer & Solution
Answer: Option A
Solution:
Meta tags store information about the web page—known as metadata that is not necessarily visible to end users (unless you reveal the page source code).
55
In which part of the HTML metadata is contained?
Discuss
Answer & Solution
Answer: Option C
Solution:
Metadata is data (information) about data. The meta tag provides metadata about the HTML document. Metadata will not be displayed on the page, but will be machine parsable.
56
Which of the following is not a function of robots meta tag?
Discuss
Answer & Solution
Answer: Option C
Solution:
Valid values for the “CONTENT” attribute are: “INDEX”, “NOINDEX”, “FOLLOW”, “NOFOLLOW”.
57
What is the role of charset attribute? It specifies
Discuss
Answer & Solution
Answer: Option C
Solution:
The charset is used to provide the character support.
58
__________ prevents the page from being indexed altogether.
Discuss
Answer & Solution
Answer: Option C
Solution:
The noindex value of an HTML robots meta tag requests that automated Internet bots avoid indexing a web page.
59
Which of the following is not supported in HTML5 ?
Discuss
Answer & Solution
Answer: Option A
Solution:
All other options are supported in HTML5 except option a.
60
__________ prevents search engines from following links inside the page
Discuss
Answer & Solution
Answer: Option B
Solution:
nofollow is a value that can be assigned to the rel attribute of an HTML a element to instruct some search engines that a hyperlink should not influence the link target’s ranking in the search engine’s index.