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Group 2@2x
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24 questions
1
2
Medium
1 vote
87 runs
0 comment
Is using CDNs to embed your libraries (code.jquery.com or cdnjs) a good practice to benefit from the browser cache?
Web developer
Web performance
at Feb 21, 2024
Easy
0 vote
61 runs
0 comment
Latency is the time it takes for data packets to be transmitted from the sender to the receiver
Web developer
Web performance
latency
at Feb 21, 2024
Medium
0 vote
18 runs
0 comment
What is the name of the metric that measures the time it takes for the first byte of a web page to be loaded?
Web developer
Web performance
at Feb 21, 2024
Hard
0 vote
18 runs
0 comment
What are the 4 main techniques to improve web performance?
Web developer
Web performance
at Feb 21, 2024
Hard
0 vote
17 runs
0 comment
How to improve the performance of a website?
Web developer
Web performance
at Feb 21, 2024
Medium
0 vote
17 runs
0 comment
Is lazyloading 100% of the images on a page a good practice?
Web developer
Web performance
at Feb 21, 2024
Medium
0 vote
16 runs
0 comment
What are the 3 Core Web Vitals?
Web developer
Web performance
at Feb 21, 2024
Medium
0 vote
16 runs
0 comment
What is the effect of the async attribute on script tags?
Web developer
Web performance
at Feb 21, 2024
Hard
0 vote
16 runs
0 comment
List 5 tools to measure web performance
Web developer
Web performance
at Feb 21, 2024
Medium
0 vote
16 runs
0 comment
Does placing a script at the bottom of the page prevent the initial display of the page from slowing down?
Web developer
Web performance
at Feb 21, 2024
Hard
0 vote
16 runs
0 comment
When is the DOMContentLoaded event triggered?
Web developer
Web performance
at Feb 21, 2024
Medium
0 vote
16 runs
0 comment
What do Google's Core Web Vitals correspond to?
Web developer
Web performance
at Feb 21, 2024
Medium
0 vote
15 runs
0 comment
What does the Cache-Control: no-cache header mean for the browser?
Web developer
Web performance
at Feb 21, 2024
Easy
0 vote
15 runs
0 comment
Does the defer attribute apply to an inline script tag?
Web developer
Web performance
at Feb 21, 2024
Medium
0 vote
15 runs
0 comment
How to ensure that the text will be visible as quickly as possible by users during the loading of a page?
Web developer
Web performance
at Feb 21, 2024
Medium
0 vote
14 runs
0 comment
What are the HTML / CSS techniques to avoid visual instability related to img tags?
Web developer
Web performance
at Feb 21, 2024
Easy
0 vote
14 runs
0 comment
What is the initial goal of HTTP/2?
Web developer
Web performance
at Feb 21, 2024
Medium
0 vote
13 runs
0 comment
What is the behavior of a standard script tag, without module, async or defer attribute?
Web developer
Web performance
at Feb 21, 2024
Easy
0 vote
10 runs
0 comment
Does switching to TLS 1.3 improve a site's webperf?
Web developer
Web performance
at Feb 21, 2024
Medium
0 vote
8 runs
0 comment
How to pre-load a font before the browser discovers it in the CSS code?
Web developer
Web performance
at Feb 21, 2024
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