New syntax to add attributes to Markdown.

Alerts are a Markdown extension based on the blockquote syntax that you can use to emphasize critical information.

Rewrite element with rehype.

Copy to clipboard.

React component preview markdown text in web browser. The minimal amount of CSS to replicate the GitHub Markdown style.

hint for best practices related to the web app manifest's name and short_name members

JSON viewer for react.

hint for best practices related to the apple-touch-icons

The linting tool for the web

A markdown editor with preview, implemented with React.js and TypeScript.

Checks if CSS exceeds known stylesheet limits

Let the developers know of what operations will be triggered by changes on the css properties

hint for media types (f.k.a. MIME types) related best practices

Ensure vendor-prefixed versions of a CSS property are listed before the unprefixed version.

hint that that checks if the web app manifest file has the correct file extension

hint that that checks using Cloudinary's API if images are optimized

Scoped SVG Styles checks if SVG styles affect any other elements outside the svg.

Check if button has type attribute set

hint that that checks using axe for accessibility related best practices

Inform users about classList.add or classList.remove with leading '.' in the argument pitfall