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24 questions
Medium
1 vote91 runs0 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
Anonymous authorat Feb 21, 2024
Easy
0 vote72 runs0 comment

Latency is the time it takes for data packets to be transmitted from the sender to the receiver

Web developer
Web performance
latency
Anonymous authorat Feb 21, 2024
Expert
0 vote41 runs0 comment

List 5 tools to measure web performance

Web developer
Web performance
Anonymous authorat Feb 21, 2024
Medium
0 vote33 runs0 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
Anonymous authorat Feb 21, 2024
Hard
0 vote31 runs0 comment

What are the 4 main techniques to improve web performance?

Web developer
Web performance
Anonymous authorat Feb 21, 2024
Hard
0 vote28 runs0 comment

How to improve the performance of a website?

Web developer
Web performance
Anonymous authorat Feb 21, 2024
Medium
0 vote28 runs0 comment

Is lazyloading 100% of the images on a page a good practice?

Web developer
Web performance
Anonymous authorat Feb 21, 2024
Easy
0 vote28 runs0 comment

Does the defer attribute apply to an inline script tag?

Web developer
Web performance
Anonymous authorat Feb 21, 2024
Medium
0 vote27 runs0 comment

What are the 3 Core Web Vitals?

Web developer
Web performance
Anonymous authorat Feb 21, 2024
Medium
0 vote27 runs0 comment

What is the effect of the async attribute on script tags?

Web developer
Web performance
Anonymous authorat Feb 21, 2024
Hard
0 vote27 runs0 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
Anonymous authorat Feb 21, 2024
Hard
0 vote27 runs0 comment

When is the DOMContentLoaded event triggered?

Web developer
Web performance
Anonymous authorat Feb 21, 2024
Medium
0 vote27 runs0 comment

What do Google's Core Web Vitals correspond to?

Web developer
Web performance
Anonymous authorat Feb 21, 2024
Medium
0 vote26 runs0 comment

What does the Cache-Control: no-cache header mean for the browser?

Web developer
Web performance
Anonymous authorat Feb 21, 2024
Medium
0 vote26 runs0 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
Anonymous authorat Feb 21, 2024
Easy
0 vote25 runs0 comment

What are the HTML / CSS techniques to avoid visual instability related to img tags?

Web developer
Web performance
Anonymous authorat Feb 21, 2024
Easy
0 vote25 runs0 comment

What is the initial goal of HTTP/2?

Web developer
Web performance
Anonymous authorat Feb 21, 2024
Medium
0 vote21 runs0 comment

What is the behavior of a standard script tag, without module, async or defer attribute?

Web developer
Web performance
Anonymous authorat Feb 21, 2024
Easy
0 vote13 runs0 comment

Does switching to TLS 1.3 improve a site's webperf?

Web developer
Web performance
Anonymous authorat Feb 21, 2024
Medium
0 vote12 runs0 comment

What are the correct statements about the defer attribute on script tags?

Web developer
Web performance
Anonymous authorat Feb 21, 2024