Javascript Caching funktioniert nicht

    Hallo,
    ich bin gerade dabei meine Website zu optmieren. Aktuell 93 / 100 Punkte bei Google PageSpeed Insights. Jetzt verzweifel ich aber beim Caching der einzigen .js Datei.

    Optimierungsvorschläge Google PageSpeed Insights:
    Browser-Caching nutzen

    Das Festlegen eines Ablaufdatums oder eines Höchstalters in den HTTP-Headern für statische Ressourcen weist den Browser an, zuvor heruntergeladene Ressourcen über die lokale Festplatte anstatt über das Netzwerk zu laden.

    Nutzen Sie Browser-Caching für die folgenden cachefähigen Ressourcen:

    Infos zur betroffenen .js Datei (entnommen von gtmetrix.com):
    [TABLE='class: MsoNormalTable']

    [tr][td]

    cache-control

    [/td][td]

    [FONT=&amp]max-age=216000, private[/FONT]

    [/td][/tr][tr][td]

    last-modified

    [/td][td]

    [FONT=&amp]Sun, 22 Jul 2018 16:56:17 GMT[/FONT]

    [/td][/tr][tr][td]

    status

    [/td][td]

    [FONT=&amp]200[/FONT]

    [/td][/tr][tr][td]

    accept-language

    [/td][td]

    [FONT=&amp]none[/FONT]

    [/td][/tr][tr][td]

    date

    [/td][td]

    [FONT=&amp]Sun, 22 Jul 2018 16:56:17 GMT[/FONT]

    [/td][/tr][tr][td]

    vary

    [/td][td]

    [FONT=&amp]Accept-Encoding[/FONT]

    [/td][/tr][tr][td]

    content-encoding

    [/td][td]

    [FONT=&amp]gzip[/FONT]

    [/td][/tr][tr][td]

    strict-transport-security

    [/td][td]

    [FONT=&amp]max-age=31536000[/FONT]

    [/td][/tr][tr][td]

    content-type

    [/td][td]

    [FONT=&amp]application/javascript; charset=utf-8[/FONT]

    [/td][/tr][tr][td]

    server

    [/td][td]

    [FONT=&amp]Apache[/FONT]

    [/td][/tr][tr][td]

    expires

    [/td][td]

    [FONT=&amp]Tue, 21 Aug 2018 16:56:17 GMT[/FONT]

    [/td][/tr][tr]


    [TD='colspan: 2'] Request Headers[/TD]

    [/tr][tr][td]

    user-agent

    [/td][td]

    [FONT=&amp]Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/62.0.3202.94 Safari/537[/FONT]
    [FONT=&amp].36[/FONT]

    [/td][/tr][tr][td]

    accept

    [/td][td]

    [FONT=&amp]*/*[/FONT]

    [/td][/tr][tr][td]

    :method

    [/td][td]

    [FONT=&amp]GET[/FONT]

    [/td][/tr][tr][td]

    accept-language

    [/td][td]

    [FONT=&amp]en-US,en;q=0.9[/FONT]

    [/td][/tr][tr][td]

    accept-encoding

    [/td][td]

    [FONT=&amp]gzip, deflate, br[/FONT]

    [/td][/tr][tr][td]

    :authority

    [/td][td]

    --

    [/td][/tr][tr][td]

    :scheme

    [/td][td]

    [FONT=&amp]https[/FONT]

    [/td][/tr][tr][td]

    :path

    [/td][td]

    [FONT=&amp]/min.js[/FONT]

    [/td][/tr][tr][td]

    referer

    [/td][td]

    --

    [/td][/tr]


    [/TABLE]

    Meine .htaccess:
    # Deflate Compression by FileType
    <IfModule mod_deflate.c>
    AddOutputFilterByType DEFLATE text/plain
    AddOutputFilterByType DEFLATE text/html
    AddOutputFilterByType DEFLATE text/xml
    AddOutputFilterByType DEFLATE text/css
    AddOutputFilterByType DEFLATE text/javascript
    AddOutputFilterByType DEFLATE application/xml
    AddOutputFilterByType DEFLATE application/xhtml+xml
    AddOutputFilterByType DEFLATE application/rss+xml
    AddOutputFilterByType DEFLATE application/atom_xml
    AddOutputFilterByType DEFLATE application/javascript
    AddOutputFilterByType DEFLATE application/x-javascript
    AddOutputFilterByType DEFLATE application/x-shockwave-flash
    </IfModule>

    ## EXPIRES CACHING ##<IfModule mod_expires.c>
    ExpiresActive On
    ExpiresByType application/vnd.ms-fontobject "access 1 year"
    ExpiresByType application/x-font-ttf "access 1 year"
    ExpiresByType application/x-font-opentype "access 1 year"
    ExpiresByType application/x-font-woff "access 1 year"
    ExpiresByType image/svg+xml "access 1 year"
    ExpiresByType text/html "access 1 month"
    ExpiresByType text/css "access 1 month"
    ExpiresByType text/javascript "access plus 1 month"
    ExpiresByType text/x-javascript "access plus 1 month"
    ExpiresByType application/javascript "access plus 1 month"
    ExpiresByType application/x-javascript "access plus 1 month"
    ExpiresByType image/gif "access 2 months"
    ExpiresByType image/png "access 2 months"
    ExpiresByType image/jpg "access 2 months"
    ExpiresByType image/jpeg "access 2 months"
    ExpiresByType image/gif "access 2 months"
    ExpiresByType application/pdf "access 1 year"
    ExpiresByType application/x-shockwave-flash "access 1 year"
    ExpiresByType image/x-icon "access 1 year"
    ExpiresDefault "access 1 month"
    </IfModule>
    ## EXPIRES CACHING ##
    <ifmodule mod_headers.c>
    <filesmatch "\\.(ico|jpe?g|png|gif|swf)$">
    Header set Cache-Control "max-age=2592000, public"
    </filesmatch>
    <filesmatch "\\.(css)$">
    Header set Cache-Control "max-age=604800, public"
    </filesmatch>
    <filesmatch "\\.(js)$">
    Header set Cache-Control "max-age=216000, private"
    </filesmatch>
    </ifmodule>

    # Deflate Compression by MimeType
    <IfModule mod_deflate.c>
    <FilesMatch "\.(js|jpg|jpeg|gif|png|css|svg)$">
    ExpiresActive on
    ExpiresDefault "access plus 1 month"
    SetOutputFilter DEFLATE
    </FilesMatch>
    </IfModule>

    RewriteEngine On
    RewriteCond %{SERVER_PORT} !^443$
    RewriteCond %{REQUEST_URI} !^/[0-9]+\..+\.cpaneldcv$
    RewriteCond %{REQUEST_URI} !^/\.well-known/pki-validation/[A-F0-9]{32}\.txt(?:\ Comodo\ DCV)?$
    RewriteRule (.*) https://%%7bhttp_host%7d/%241 [R=301,L]

    ErrorDocument 404 /404.html

    Header set Strict-Transport-Security "max-age=31536000"

    AddDefaultCharset UTF-8
    AddCharset UTF-8 .htm .html .css .js .woff

    # Fonts
    # Add correct content-type for fonts
    AddType application/vnd.ms-fontobject .eot
    AddType application/x-font-ttf .ttf
    AddType application/x-font-opentype .otf
    AddType application/x-font-woff .woff
    AddType image/svg+xml .svg

    RewriteEngine On
    RewriteCond %{SERVER_PORT} !^443$
    RewriteCond %{REQUEST_URI} !^/[0-9]+\..+\.cpaneldcv$
    RewriteCond %{REQUEST_URI} !^/\.well-known/pki-validation/[A-F0-9]{32}\.txt(?:\ Comodo\ DCV)?$
    RewriteRule (.*) https://%%7bhttp_host%7d/%241 [R=301,L]

    RewriteEngine On
    RewriteCond %{HTTP_HOST} ^www\.--\.--$ [NC]
    RewriteCond %{REQUEST_URI} !^/[0-9]+\..+\.cpaneldcv$
    RewriteCond %{REQUEST_URI} !^/\.well-known/pki-validation/[A-F0-9]{32}\.txt(?:\ Comodo\ DCV)?$
    RewriteRule ^(.*)$ https://--.--/$1 [L,R=301]


    Meine Website habe ich mit -- gekürzt.

    Kann mir hier bitte jemand helfen? Ich komme seit Ewigkeiten nicht zum gewünschten Effekt und ich kenne mich auch nicht sooo gut aus... :( Vielen Dank!