is-progressive-cli

2.0.0 • Public • Published

is-progressive-cli

Check if JPEG images are progressive

Can be useful to make sure your images are progressive, which is important for performance:

Progressive JPEGs are better because they are faster. Appearing faster is being faster, and perceived speed is more important that actual speed. - Progressive JPEGs: a new best practice

The check is fast as it only reads a small part of the file.

Install

npm install --global is-progressive-cli

Usage

$ is-progressive --help

  Usage
    $ is-progressive <file> ...
    $ is-progressive < <file>

  Example
    $ is-progressive baseline.jpg progressive.jpg
    ✖ baseline.jpg
    ✔ progressive.jpg
Globbing

You can use globs too if your shell supports that.

$ is-progressive *.jpg

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Install

npm i is-progressive-cli

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Version

2.0.0

License

MIT

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4.26 kB

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4

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Collaborators

  • sindresorhus