Client Hints: DPR, Width, Viewport-Width
DPR, Width, and Viewport-Width hints enable proactive content negotiation between client and server, enabling automated delivery of optimized assets - e.g. auto-negotiating image DPR resolution.
Media Queries: resolution feature
Allows a media query to be set based on the device pixels used per CSS unit. While the standard uses `min`/`max-resolution` for this, some browsers support the older non-standard `device-pixel-ratio` media query.
High Resolution Time API
Method to provide the current time in sub-millisecond resolution and such that it is not subject to system clock skew or adjustments. Called using `performance.now()`
SVG favicons
Icon used by browsers to identify a webpage or site. While all browsers support the `.ico` format, the SVG format can be preferable to more easily support higher resolutions or larger icons.
Picture element
A responsive images method to control which image resource a user agent presents to a user, based on resolution, media query and/or support for a particular image format
Srcset and sizes attributes
The `srcset` and `sizes` attributes on `img` (or `source`) elements allow authors to define various image resources and "hints" that assist a user agent to determine the most appropriate image source to display (e.g. high-resolution displays, small monitors, etc).
rtcrtpsender api: `setparameters()`: `parameters.encodings` parameter: `parameters.encodings.scaleresolutiondownby` parameter
css at-rule: `@media`: `resolution` media feature
types: `<resolution>`
types: `<resolution>`: `dpcm` unit
types: `<resolution>`: `dpi` unit
types: `<resolution>`: `dppx` unit
types: `<resolution>`: `x` unit
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