DirectoryIndex day.html index.html

# Serve text files with UTF-8 charset
AddDefaultCharset UTF-8
AddCharset UTF-8 .txt .json .html .css .js .svg

<FilesMatch "\.(html|png|json|txt)$">
    Header set Cache-Control "no-cache, no-store, must-revalidate"
    Header set Pragma "no-cache"
    Header set Expires "0"
</FilesMatch>