QuirksMode
www.quirksmode.org
A long-standing reference site for web developers, covering browser quirks, CSS, JavaScript, and DOM compatibility.
QuirksMode remains one of the few independent references for the kind of browser compatibility nuances that larger documentation glosses over. Its compatibility tables and technical articles give working developers the practical details of how CSS and JavaScript actually behave across different browsers. Anyone debugging cross-browser issues will find concrete explanations and historical context here, rather than generic advice.
Checked with Google Web Risk · 1 hour ago
- language
- EN
- here since
- August 2026