Some of today’s web pages expect the older, less interoperable behavior from IE and, as a result, don’t necessarily work as expected in Internet Explorer 8’s (download) standards-by-default mode. To address this, we built features like Compatibility View and the ‘EmulateIE7’ X-UA-Compatible tag – features that users and web developers can enable to make the browser more compatible with existing content. This post is about some situations where IE uses smart defaults to provide users with a more compatible out-of-box experience, explain IE Blog.