Changing the zoom level, minimum font size, applying a fit-to-width algorithm, or making other changes may alter the rendition of the Acid2 page without this constituting a failure in compliance. Note: When taking the test, you should use the default settings of the browser you are testing. To allow vendors that not yet support data URLs to test with Acid2, a version without data URLs has been published. The guide assumes a technical understanding of HTML, CSS and PNG. At first sight, the source code is hard to understand, but the guided tour offered in this document will explain it in some detail. We do not envision or recommend that normal Web pages should be written this way, but it is appropriate for a test page. The markup behind Acid2 is peculiar in that it attempts, on one single page, to test many different features.

The purpose of this document is to explain how Acid2 works. If something is wrong, the face will be distorted and/or shown partly in red. If it does, the smiley face on the left will appear. The aim has been to make it simple for developers and users to check if a browser passes the test. It uses features that are not in common use yet, because of lack of support, and it crams many tests into one page. Acid2 tries to change this by challenging browsers to render Acid2 correctly before shipping.Īcid2 is a complex web page. These features are part of existing standards but haven’t been interoperably supported by major browsers. It has been written to help browser vendors make sure their products correctly support features that web designers would like to use. Acid2 is a test page for web browsers published by The Web Standards Project (WaSP).

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