I think this htaccess configuration is the best one.

.htaccess

# Serve all resources labeled as `text/html` or `text/plain`
# with the media type `charset` parameter set to `UTF-8`.

AddDefaultCharset utf-8


# Disable the pattern matching based on filenames.

Options -MultiViews


# Enabling keep-alive connection

<ifModule mod_headers.c>
    Header set Connection keep-alive
</ifModule>


# Block Libwww-perl Access

<IfModule mod_rewrite.c>
    RewriteCond %{HTTP_USER_AGENT} libwww-perl.* 
    RewriteRule .* ? [F,L]
</IfModule>


# Block access to directories without a default document.

<IfModule mod_autoindex.c>
    Options -Indexes
</IfModule>


# Cross-origin Image

<IfModule mod_setenvif.c>
    <IfModule mod_headers.c>
        <FilesMatch "\.(bmp|cur|gif|ico|jpe?g|png|svgz?|webp)$">
            SetEnvIf Origin ":" IS_CORS
            Header set Access-Control-Allow-Origin "*" env=IS_CORS
        </FilesMatch>
    </IfModule>
</IfModule>


# Cross-origin Web Fonts

<IfModule mod_headers.c>
    <FilesMatch "\.(eot|otf|tt[cf]|woff2?)$">
        Header set Access-Control-Allow-Origin "*"
    </FilesMatch>
</IfModule>


# Force Internet Explorer 8/9/10 to render pages in the highest mode
# available in the various cases when it may not.

<IfModule mod_headers.c>

    Header set X-UA-Compatible "IE=edge"

    <FilesMatch "\.(appcache|atom|bbaw|bmp|crx|css|cur|eot|f4[abpv]|flv|geojson|gif|htc|ico|jpe?g|js|json(ld)?|m4[av]|manifest|map|mp4|oex|og[agv]|opus|otf|pdf|png|rdf|rss|safariextz|svgz?|swf|topojson|tt[cf]|txt|vcard|vcf|vtt|webapp|web[mp]|webmanifest|woff2?|xloc|xml|xpi)$">
        Header unset X-UA-Compatible
    </FilesMatch>

</IfModule>


# Rewrite engine

<IfModule mod_rewrite.c>
    RewriteEngine On
    Options +FollowSymlinks
    RewriteCond %{HTTPS} =on
    RewriteRule ^ - [env=proto:https]
    RewriteCond %{HTTPS} !=on
    RewriteRule ^ - [env=proto:http]
</IfModule>


# Redirect from the `http://` to the `https://` version of the URL and force non-www.

<IfModule mod_rewrite.c>
    RewriteEngine On

    # Match any URL with www and rewrite it to https without the www.
    RewriteCond %{HTTP_HOST} ^(www\.)(.*) [NC]
    RewriteRule (.*) https://%2%{REQUEST_URI} [L,R=301]

    # Match urls that are non https (without the www).
    RewriteCond %{HTTPS} off
    RewriteCond %{HTTP_HOST} !^(www\.)(.*) [NC]
    RewriteRule (.*) https://%{HTTP_HOST}%{REQUEST_URI} [L,R=301]
</IfModule>


# Block access to all hidden files and directories with the exception of
# the visible content from within the `/.well-known/` hidden directory.

<IfModule mod_rewrite.c>
    RewriteEngine On
    RewriteCond %{REQUEST_URI} "!(^|/)\.well-known/([^./]+./?)+$" [NC]
    RewriteCond %{SCRIPT_FILENAME} -d [OR]
    RewriteCond %{SCRIPT_FILENAME} -f
    RewriteRule "(^|/)\." - [F]
</IfModule>


# Block access to files that can expose sensitive information.

<FilesMatch "(^#.*#|\.(bak|conf|dist|fla|in[ci]|log|psd|sh|sql|sw[op])|~)$">

    # Apache < 2.3
    <IfModule !mod_authz_core.c>
        Order allow,deny
        Deny from all
        Satisfy All
    </IfModule>

    # Apache ≥ 2.3
    <IfModule mod_authz_core.c>
        Require all denied
    </IfModule>

</FilesMatch>


# Force client-side SSL redirection.

<IfModule mod_headers.c>
     Header always set Strict-Transport-Security "max-age=16070400; includeSubDomains"
</IfModule>


# Prevent some browsers from MIME-sniffing the response.

<IfModule mod_headers.c>
    Header set X-Content-Type-Options "nosniff"
</IfModule>


# Remove the `X-Powered-By` response header.

<IfModule mod_headers.c>
    Header unset X-Powered-By
</IfModule>


# Prevent Apache from adding a trailing footer line containing
# information about the server to the server-generated documents
# (e.g.: error messages, directory listings, etc.)

ServerSignature Off


# Mitigate the risk of cross-site scripting and other content-injection
# attacks.

<IfModule mod_headers.c>

#    Header set Content-Security-Policy "script-src 'self'; object-src 'self'"
    Header set Content-Security-Policy "default-src https:; script-src https: 'unsafe-inline'; style-src https: 'unsafe-inline'; img-src https: data: 'unsafe-inline'"

    <FilesMatch "\.(appcache|atom|bbaw|bmp|crx|css|cur|eot|f4[abpv]|flv|geojson|gif|htc|ico|jpe?g|js|json(ld)?|m4[av]|manifest|map|mp4|oex|og[agv]|opus|otf|pdf|png|rdf|rss|safariextz|svgz?|swf|topojson|tt[cf]|txt|vcard|vcf|vtt|webapp|web[mp]|webmanifest|woff2?|xloc|xml|xpi)$">
        Header unset Content-Security-Policy
    </FilesMatch>

</IfModule>


# Serve the following file types with the media type `charset`
# parameter set to `UTF-8`.

<IfModule mod_mime.c>
    AddCharset utf-8 .atom \
                     .bbaw \
                     .css \
                     .geojson \
                     .js \
                     .json \
                     .jsonld \
                     .manifest \
                     .rdf \
                     .rss \
                     .topojson \
                     .vtt \
                     .webapp \
                     .webmanifest \
                     .xloc \
                     .xml
</IfModule>


# Re-enable the cross-site scripting (XSS) filter built
# into most web browsers.

<IfModule mod_headers.c>

    Header set X-XSS-Protection "1; mode=block"

    <FilesMatch "\.(appcache|atom|bbaw|bmp|crx|css|cur|eot|f4[abpv]|flv|geojson|gif|htc|ico|jpe?g|js|json(ld)?|m4[av]|manifest|map|mp4|oex|og[agv]|opus|otf|pdf|png|rdf|rss|safariextz|svgz?|swf|topojson|tt[cf]|txt|vcard|vcf|vtt|webapp|web[mp]|webmanifest|woff2?|xloc|xml|xpi)$">
        Header unset X-XSS-Protection
    </FilesMatch>

</IfModule>


# Protect website against clickjacking.

<IfModule mod_headers.c>

    Header set X-Frame-Options "DENY"

    <FilesMatch "\.(appcache|atom|bbaw|bmp|crx|css|cur|eot|f4[abpv]|flv|geojson|gif|htc|ico|jpe?g|js|json(ld)?|m4[av]|manifest|map|mp4|oex|og[agv]|opus|otf|pdf|png|rdf|rss|safariextz|svgz?|swf|topojson|tt[cf]|txt|vcard|vcf|vtt|webapp|web[mp]|webmanifest|woff2?|xloc|xml|xpi)$">
        Header unset X-Frame-Options
    </FilesMatch>

</IfModule>


# Serve resources with the proper media types (f.k.a. MIME types).

<IfModule mod_mime.c>

  # Data interchange

    AddType application/atom+xml                        atom
    AddType application/json                            json map topojson
    AddType application/ld+json                         jsonld
    AddType application/rss+xml                         rss
    AddType application/vnd.geo+json                    geojson
    AddType application/xml                             rdf xml


  # JavaScript

    # Normalize to standard type.
    # https://tools.ietf.org/html/rfc4329#section-7.2

    AddType application/javascript                      js


  # Manifest files

    AddType application/manifest+json                   webmanifest
    AddType application/x-web-app-manifest+json         webapp
    AddType text/cache-manifest                         appcache


  # Media files

    AddType audio/mp4                                   f4a f4b m4a
    AddType audio/ogg                                   oga ogg opus
    AddType image/bmp                                   bmp
    AddType image/svg+xml                               svg svgz
    AddType image/webp                                  webp
    AddType video/mp4                                   f4v f4p m4v mp4
    AddType video/ogg                                   ogv
    AddType video/webm                                  webm
    AddType video/x-flv                                 flv
    AddType image/x-icon                                cur ico


  # Web fonts

    AddType application/font-woff                       woff
    AddType application/font-woff2                      woff2
    AddType application/vnd.ms-fontobject               eot
    AddType application/x-font-ttf                      ttc ttf
    AddType font/opentype                               otf


  # Other

    AddType application/octet-stream                    safariextz
    AddType application/x-bb-appworld                   bbaw
    AddType application/x-chrome-extension              crx
    AddType application/x-opera-extension               oex
    AddType application/x-xpinstall                     xpi
    AddType text/vcard                                  vcard vcf
    AddType text/vnd.rim.location.xloc                  xloc
    AddType text/vtt                                    vtt
    AddType text/x-component                            htc

</IfModule>


# Gzip Compression

<IfModule mod_deflate.c>

    # Force compression for mangled `Accept-Encoding` request headers

    <IfModule mod_setenvif.c>
        <IfModule mod_headers.c>
            SetEnvIfNoCase ^(Accept-EncodXng|X-cept-Encoding|X{15}|~{15}|-{15})$ ^((gzip|deflate)\s*,?\s*)+|[X~-]{4,13}$ HAVE_Accept-Encoding
            RequestHeader append Accept-Encoding "gzip,deflate" env=HAVE_Accept-Encoding
        </IfModule>
    </IfModule>

    # Compress all output labeled with one of the following media types.

    <IfModule mod_filter.c>
        AddOutputFilterByType DEFLATE "application/atom+xml" \
                                      "application/javascript" \
                                      "application/json" \
                                      "application/ld+json" \
                                      "application/manifest+json" \
                                      "application/rdf+xml" \
                                      "application/rss+xml" \
                                      "application/schema+json" \
                                      "application/vnd.geo+json" \
                                      "application/vnd.ms-fontobject" \
                                      "application/x-font-ttf" \
                                      "application/x-javascript" \
                                      "application/x-web-app-manifest+json" \
                                      "application/xhtml+xml" \
                                      "application/xml" \
                                      "font/eot" \
                                      "font/opentype" \
                                      "image/bmp" \
                                      "image/svg+xml" \
                                      "image/vnd.microsoft.icon" \
                                      "image/x-icon" \
                                      "text/cache-manifest" \
                                      "text/css" \
                                      "text/html" \
                                      "text/javascript" \
                                      "text/plain" \
                                      "text/vcard" \
                                      "text/vnd.rim.location.xloc" \
                                      "text/vtt" \
                                      "text/x-component" \
                                      "text/x-cross-domain-policy" \
                                      "text/xml"

    </IfModule>

    <IfModule mod_mime.c>
        AddEncoding gzip              svgz
    </IfModule>

</IfModule>