w3c/csswg-drafts

[mediaqueries-5] Privacy considerations.

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#3,488 opened on Jan 7, 2019

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Help WantedNeeds Editsmediaqueries-5privacy-tracker

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Description

It would be helpful to add a privacy considerations section to this spec, noting that some of the queries reveal interesting information about a user's preferences, which can be useful when building a fingerprint of the user's browser. Consider, for example, the hypothetical user who browses on their bathroom mirror, while inverting colors, preferring reduced motion and transparency, more contrast, and dark mode vs a perhaps more typical user who doesn't change any defaults at all.

Thanks!

Contributor guide

Research direction
Review the existing spec sections, especially the 'Security and Privacy Considerations' template from W3C, and identify which media queries (e.g., prefers color scheme, prefers reduced motion) can be used for fingerprinting. Write a paragraph explaining the privacy implications and recommend mitigations like user consent or opt out.
Tech stack
htmlcss
Domain
documentation
Issue type
Documentation
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
2
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
Half day
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Active
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Clear
Prerequisites
CSS Media QueriesPrivacy considerations
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
70