
Load Time Performance
Quiz
•
Computers
•
Professional Development
•
Hard
Mateusz Kwasniewski
Used 4+ times
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13 questions
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1.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Which sentences are correct?
Page load time of most websites is affected more by bandwidth than latency
Page load time of most websites is affecter more by latency than bandwidth
"Performance golden rule" says most optimisations are in the backend code
"Performance golden rule" says most optimisations are in the frontend code
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Which of the principles is questionable in HTTP/2 world?
send fewer bytes over the network
make fewer requests
move data closer to the end user
prefer nonblocking resource loading
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Which optimisation is NOT applied by default in Parcel?
file minification
adding cache friendly hash to the file names
JS bundling
gzip
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What font-display value is a default in most browsers?
swap
fallback
block
optional
5.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
What are the common image loading anti-patterns?
download and hide
download and shrink
using wrong image format
using SVG for icons
6.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
How can we implement adaptive images?
CSS media queries
img@srcset
picture
client hints
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
How do we lazy load images in HTML?
lazy=loading
loading=lazy
data-src
data-srcset
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