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Solution
Submitted over 2 years ago

QR code speedrun

maia•300
@maiaflow
A solution to the QR code component challenge
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Solution retrospective


Always welcome feedback! The simple stuff can be the best place to learn.

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Community feedback

  • Eric Salvi•1,350
    @ericsalvi
    Posted over 2 years ago

    WOW... great job on the challenge of trying to get it completed in less than 1 hour.

    Your HTML is super semantic and your CSS is small. I can't find any issues at all so I'll try to maybe offer suggestions for future challenges.

    If you want to stick with CSS try to run your CSS through the vendor prefix tool here

    If you stick with CSS, look for opportunities to use CSS variables.

    Try setting the base font size on the body and then use REM units.

    Try something a bit different by using a CSS preprocessor such as SCSS. This tool will do the vendor prefixes automatically.

    Lastly, I have been trying to constantly use GitHub pull requests for milestones when working on these challenges. Really helps me to get more comfortable with that platform.

    Cannot wait to see your next one!

    Marked as helpful

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How does the accessibility report work?

When a solution is submitted, we use axe-core to run an automated audit of your code.

This picks out common accessibility issues like not using semantic HTML and not having proper heading hierarchies, among others.

This automated audit is fairly surface level, so we encourage to you review the project and code in more detail with accessibility best practices in mind.

How does the CSS report work?

When a solution is submitted, we use stylelint to run an automated check on the CSS code.

We've added some of our own linting rules based on recommended best practices. These rules are prefixed with frontend-mentor/ which you'll see at the top of each issue in the report.

The report will audit 1st-party linked stylesheets, and styles within <style> tags.

How does the HTML validation report work?

When a solution is submitted, we use html-validate to run an automated check on the HTML code.

The report picks out common HTML issues such as not using headings within section elements and incorrect nesting of elements, among others.

Note that the report can pick up “invalid” attributes, which some frameworks automatically add to the HTML. These attributes are crucial for how the frameworks function, although they’re technically not valid HTML. As such, some projects can show up with many HTML validation errors, which are benign and are a necessary part of the framework.

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