Hi! I'm a frontend developer from Vienna. I'm specialized in HTML, accessibility, and CSS layout and architecture.

Manuel Matuzović

Hi! I'm a frontend developer from Vienna. I'm specialized in HTML, accessibility, and CSS layout and architecture.

If you want to get in touch, write me an email or find me on Mastodon.

Recent posts

Not all automated testing tools support Shadow DOM in web components

There isn't much more to say; it's all in the title.

Many automated testing tools are a collection of JavaScript functions you run on a page. Most of those rely on querying the DOM. If a tool doesn't consider shadow trees, it only catches accessibility errors in the Light DOM, which may give you a wrong sense of safety and potentially affect your users.

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