Browsers HTML5 Web Standards

HTML5 Test

How well does your browser support HTML5? Find out by visiting, created by Niels Leenheer with thanks to Henri Sivonen and his HTML5 parser tests. Hat tip: Ralph Resnik.

By Jeffrey Zeldman

“King of Web Standards”—Bloomberg Businessweek.

Principal & Creative Director, Automattic, Inc. Founder & Publisher, A List Apart. Co-founder, An Event Apart design conference. Publisher & co-founder, A Book Apart—brief books for people who design, write, and code. Have written two books, notably Designing With Web Standards, 3rd Edition. Faculty, MFA, Interaction Design program, School of Visual Arts, NY. Host, The Big Web Show. But what I really want to do is direct.