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Web Browser Standards Support - http://www.webdevout.net/browser-support
Tables comparing support for different feature of HTML, CSS, DOM, and ECMAScript in Internet Explorer, Firefox, and Opera. |
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IE Netrenderer - http://ipinfo.info/netrenderer/
Online tool allowing to verify how websites appear in Microsoft Internet Explorer 5.5, 6 and 7. |
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Browser Zoom Comparison - http://alastairc.ac/2006/11/browser-zoom-comparison/
Compares the zoom function and its results on all the major browsers. |
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Robin's HTML 4.0 Conformance Test - http://www.robinlionheart.com/stds/html4/
Test a browser's support for new HTML 4.0 elements. Includes a table of results for several popular browsers. |
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QuirksMode DOM Compatibility Tables - http://www.quirksmode.org/dom/compatibility.html
Provides detailed studies and suggested work-arounds for various browser incompatibilities relating to modern standards. |