I have disabled all extensions/scripts in Firefox 109.0. And loaded the page with your guideline multiple times. FFF is the latest test version. This leads to the following error message:
Quote:
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Browser Cache Failed to Load with error 'time data 'Sun, 15 Jan 2023 09:50:01 GMT' does not match format '%a, %d %b %Y %H:%M:%S GMT'
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