.htaccess

# Disallow Apache file index module
Options -Indexes

# Increase Cache Expires
<IfModule mod_expires.c>

    <FilesMatch "\.(jpe?g|png|gif|js|css|ico|svg)$">
        ExpiresActive on
        ExpiresDefault "access plus 1 year"
    </FilesMatch>

</IfModule>

# Add Vary header
<IfModule mod_headers.c>
  <FilesMatch "\.(js|css|xml|gz)$">
    Header append Vary: Accept-Encoding
  </FilesMatch>
</IfModule>

# Dispatcher
<IfModule mod_rewrite.c>

    # Start rewrite engine
    RewriteEngine On

    # Set flag that rewrite is enabled
    SetEnv REWRITE_ENABLED 1

    # Set proper URI base
    # RewriteBase /

    # Redirect associatives for scripts
    RewriteCond %{REQUEST_URI} /associatives.js?.*$ [OR]
    RewriteCond %{REQUEST_URI} /dependencies.js?.*$ [OR]
    RewriteCond %{REQUEST_URI} /bridge.js?.*$
    RewriteRule ^.*$ index.php?mode=associatives&at=js [QSA,NC,L]

    # Redirect associatives for styles
    RewriteCond %{REQUEST_URI} /associatives.css?.*$ [OR]
    RewriteCond %{REQUEST_URI} /dependencies.css?.*$ [OR]
    RewriteCond %{REQUEST_URI} /bridge.css?.*$
    RewriteRule ^.*$ index.php?mode=associatives&at=css [QSA,NC,L]

    # Redirect ajax requests
    RewriteCond %{REQUEST_URI} /ajax$
    RewriteRule ^.*$ index.php?mode=ajax [QSA,NC,L]

    # Redirect favicon to index
    RewriteCond %{REQUEST_URI} ^\/favicon\.ico.*$
    RewriteRule ^.*$ index.php [NC,L]
    RewriteRule ^.*$ - [NC]

    # Redirect files without file-types, which aren't directories,
    # or symbolic links or executables to index
    RewriteCond %{REQUEST_URI} /[^\.]*$
    RewriteCond %{REQUEST_URI} !-d
    RewriteCond %{REQUEST_URI} !-l
    RewriteCond %{REQUEST_URI} !-x
    RewriteRule ^.*$ index.php [NC,L]
    RewriteRule ^.*$ - [NC,L]

</IfModule>
<IfModule !mod_rewrite.c>

    # Set flag that rewrite is disabled
    SetEnv REWRITE_ENABLED 0

</IfModule>