<li><p><a for=method>Normalize</a> <var>method</var>.

<li><p>Let <var>parsedURL</var> be the result of <a lt="URL parser">parsing</a> <var>url</var> with

<a>this</a>'s <a>relevant settings object</a>'s

<a for="environment settings object">API base URL</a> and <a>this</a>'s

<a>relevant settings object</a>'s

<a for="environment settings object">API URL character encoding</a>.

<li><p>Let <var>parsedURL</var> be the result of

<a lt="encoding-parse a URL">encoding-parsing a URL</a> <var>url</var>, relative to <a>this</a>'s

<a>relevant settings object</a>.

<li><p>If <var>parsedURL</var> is failure, then <a>throw</a> a "{{SyntaxError!!exception}}"

{{DOMException}}.

<li><p>Set <var>document</var>'s <a for=Document>encoding</a> to <var>charset</var>.

<li><p>Set <var>document</var>'s <a>content type</a> to <var>finalMIME</var>.

<li><p>Set <var>document</var>'s <a for=Document>content type</a> to <var>finalMIME</var>.

<li><p>Set <var>document</var>'s <a for=Document>URL</a> to <var>xhr</var>'s

<a for=XMLHttpRequest>response</a>'s <a for=response>URL</a>.