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internet-explorerencodingutf-8windows-1252

Why does IE 11 use Windows-1252 instead of UTF-8 when it's decoding?

I set <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/> in the head.

But when IE 11 sends API request, it will perform Windows-1252 instead of UTF-8.

For example, if the URL contains ü, it should be %C3%BC in UTF-8, but IE 11 will break it into %C3 and %BC, and sends as ü according to Windows-1252.

So is there any way to solve this issue?

I tested in IE 11. This issue doesn't exist on Edge.

Solution

  • Take a look to IE encoding settings, probably it’s set not to automatic (should use encoding defined by meta tag), but set to windows-1252

    Please take a look here for additional details and causes: https://support.microsoft.com/en-us/help/928847/internet-explorer-uses-the-wrong-character-set-when-it-renders-an-html