How Does `?#iefix` Resolve Web Font Loading Issues in IE6-IE8?

Unraveling the Secrets of ?#iefix: Tackling Web Font Loading Issues in IE6-IE8

Widely shared web resources, such as the one referenced, recommend appending a ?#iefix to the EOT URL when facing font loading challenges in older versions of Internet Explorer. While this solution proves effective, understanding the underlying mechanism remains crucial.

How Does ?#iefix Resolve Web Font Loading in IE6-IE8?

IE8 and its predecessors suffer from a flaw in their parsers for the src attribute. When multiple font formats are declared within ``, IE8 encounters a loading error, accompanied by a 404 code.

The inclusion of a question mark addresses this shortcoming by misleading IE8. The additional characters beyond the question mark are interpreted as a query string, allowing the browser to retrieve solely the EOT file while allowing other browsers to load appropriate font types based on their specifications.

Delve Deeper into @font-face Optimization

For a comprehensive understanding of web font optimization techniques and additional nuances related to the @font-face syntax, refer to Paul Irish's insightful article, "Bulletproof @font-face syntax."

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