Job offersCompaniesTestsBlogI'm an employerSign upLog in
fr
fr
Home>IT Tests>Questions>HTML5/CSS3

40 interview questions on HTML5/CSS3for developers (2025)

Test your technical skills before an interview of HTML5/CSS3 with 40 corrected questions. Beginner, Intermediate or Expert level.

or
Technology
Profession
Test
Sort by
Newest
Most popular
Last review
Filter by
Published
3812
To review
26
40 questions
Hard
10 votes2011 runs1 comment

What is the `contenteditable` attribute in HTML5?

Web developer
html5
contenteditable
Jean-marie Cléryat Dec 2, 2021
Hard
9 votes2012 runs1 comment

What is the HTML element that is used to group related content?

Web developer
html5
tags
Jean-marie Cléryat Dec 1, 2021
Hard
9 votes1992 runs
2 comments

What are the two methods that can be used to send data to a server in HTML5?

Web developer
html5
http
Jean-marie Cléryat Dec 1, 2021
Easy
9 votes1953 runs1 comment

What is the selector `nav a[href^=http://]`?

Web developer
html5
selectors
Jean-marie Cléryat Dec 1, 2021
Hard
8 votes2043 runs0 comment

What is the `<output>` element in HTML5?

Web developer
html5
form
Jean-marie Cléryat Dec 1, 2021
Hard
8 votes2030 runs0 comment

How to add a border to an image in HTML5

Web developer
html5
javascript
Jean-marie Cléryat Dec 2, 2021
Easy
8 votes1956 runs1 comment

How to create a navigation section in HTML5

Web developer
html
section
Jean-marie Cléryat Dec 1, 2021
Hard
7 votes2070 runs1 comment

What is the name of the technology that allows you to cache data and serve it offline?

Web developer
service workers
Jean-marie Cléryat Dec 1, 2021
Medium
7 votes2035 runs0 comment

What is the name of the HTML5 element that is used to display a video?

Web developer
html5
video
Jean-marie Cléryat Dec 1, 2021
Hard
6 votes2060 runs0 comment

How to select all images in HTML5 with CSS

Web developer
css
selectors
Jean-marie Cléryat Nov 29, 2021
Hard
6 votes2030 runs1 comment

Calculate the vertical spacing between 2 paragraphs in HTML5

Web developer
html
css
Jean-marie Cléryat Feb 13, 2024
Hard
6 votes2024 runs0 comment

Write a doctype for HTML5

Web developer
html5
doctype
Jean-marie Cléryat Dec 2, 2021
Hard
6 votes2022 runs2 comments

Which statements are true regarding the image management on this web page?

Web developer
html
images
Jean-marie Cléryat Mar 28, 2023
Easy
6 votes1985 runs1 comment

What is the default value of the justify-content property in HTML5?

Web developer
css
flexbox
Jean-marie Cléryat Nov 29, 2021
Hard
5 votes2037 runs0 comment

What are the two main ways to implement real-time communication in HTML5?

Web developer
event
eventsource
Jean-marie Cléryat Dec 1, 2021
Easy
5 votes2002 runs
2 comments

How to add a sandbox attribute to an iframe in HTML5

Web developer
iframe
sandbox
Jean-marie Cléryat Dec 1, 2021
Hard
5 votes1984 runs0 comment

What is the name of the HTML5 feature that allows you to add metadata to an element?

Web developer
html5
data-attributes
Jean-marie Cléryat Dec 2, 2021
Easy
5 votes1984 runs0 comment

Explain the difference between `<video>` and `<object>` in HTML5.

Web developer
html5
video
Jean-marie Cléryat Dec 1, 2021
Hard
4 votes1977 runs0 comment

Differences between SVG and Canvas

Web developer
html5
svg
canvas
Jean-marie Cléryat Dec 2, 2021
Hard
3 votes2007 runs0 comment

What are the 4 CSS properties that are required to make a div element scrollable?

Web developer
css
html
Jean-marie Cléryat Dec 1, 2021