Почему не работает кэширование на сайте?

<IfModule>
    ExpiresActive on

    ExpiresDefault "access plus 1 month"

    # cache.appcache needs re-requests in FF 3.6 (thanks Remy ~Introducing HTML5)
    ExpiresByType text/cache-manifest "access plus 0 seconds"

    # html
    ExpiresByType text/html "access plus 0 seconds"

    # XML
    ExpiresByType text/xml "access plus 0 seconds"
    ExpiresByType application/xml "access plus 0 seconds"

    # RSS
    ExpiresByType application/rss+xml "access plus 1 hour"

    # Favicon
    ExpiresByType image/x-icon "access plus 1 week"

    # Картинки
    ExpiresByType image/gif "access plus 1 month"
    ExpiresByType image/png "access plus 1 month"
    ExpiresByType image/jpeg "access plus 1 month"
    ExpiresByType image/jpg "access plus 1 month"

    # HTC файлы  (например css3pie)
    ExpiresByType text/x-component "access plus 1 month"

    # Нестандартные шрифты сайта
    ExpiresByType application/x-font-ttf "access plus 1 month"
    ExpiresByType font/opentype "access plus 1 month"
    ExpiresByType application/x-font-woff "access plus 1 month"
    ExpiresByType image/svg+xml "access plus 1 month"
    ExpiresByType application/vnd.ms-fontobject "access plus 1 month"

    # CSS и j&#097;vascript
    ExpiresByType text/css "access plus 1 year"
    ExpiresByType application/j&#097;vascript "access plus 1 year"

</IfModule>

# Cache-Control браузера 
<ifModule>
    # 30 дней
    <filesMatch>
    Header set Cache-Control "max-age=2592000, public"
    </filesMatch>
    # 30 дней
    <filesMatch>
    Header set Cache-Control "max-age=2592000, public"
    </filesMatch>
    # 2 дня
    <filesMatch>
    Header set Cache-Control "max-age=172800, public, must-revalidate"
    </filesMatch>
    # 1 день
    <filesMatch>
    Header set Cache-Control "max-age=172800, private, must-revalidate"
    </filesMatch>
</ifModule>

<IfModule>
    #Эта конструкция для говнобраузера
    #Запрет отдачи HTTP-заголовков Vary
    BrowserMatch "MSIE" force-no-vary
    BrowserMatch "Mozilla/4.[0-9]{2}" force-no-vary
</IfModule>
# Gzip Зжатие
<IfModule>
  # force deflate for mangled headers
  # developer.yahoo.com/blogs/ydn/posts/2010/12/pushing-beyond-gzipping/
  <IfModule>
    <IfModule>
      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>

  # HTML, TXT, CSS, j&#097;vascript, JSON, XML, HTC:
  <IfModule>
    FilterDeclare   COMPRESS
    FilterProvider  COMPRESS  DEFLATE resp=Content-Type $text/html
    FilterProvider  COMPRESS  DEFLATE resp=Content-Type $text/css
    FilterProvider  COMPRESS  DEFLATE resp=Content-Type $text/plain
    FilterProvider  COMPRESS  DEFLATE resp=Content-Type $text/xml
    FilterProvider  COMPRESS  DEFLATE resp=Content-Type $text/x-component
    FilterProvider  COMPRESS  DEFLATE resp=Content-Type $application/j&#097;vascript
    FilterProvider  COMPRESS  DEFLATE resp=Content-Type $application/json
    FilterProvider  COMPRESS  DEFLATE resp=Content-Type $application/xml
    FilterProvider  COMPRESS  DEFLATE resp=Content-Type $application/xhtml+xml
    FilterProvider  COMPRESS  DEFLATE resp=Content-Type $application/rss+xml
    FilterProvider  COMPRESS  DEFLATE resp=Content-Type $application/atom+xml
    FilterProvider  COMPRESS  DEFLATE resp=Content-Type $application/vnd.ms-fontobject
    FilterProvider  COMPRESS  DEFLATE resp=Content-Type $image/svg+xml
    FilterProvider  COMPRESS  DEFLATE resp=Content-Type $application/x-font-ttf
    FilterProvider  COMPRESS  DEFLATE resp=Content-Type $font/opentype
    FilterChain     COMPRESS
    FilterProtocol  COMPRESS  DEFLATE change=yes;byteranges=no
  </IfModule>

  <IfModule>
    # Legacy versions of Apache
    AddOutputFilterByType DEFLATE text/html text/plain text/css application/json
    AddOutputFilterByType DEFLATE application/j&#097;vascript
    AddOutputFilterByType DEFLATE text/xml application/xml text/x-component
    AddOutputFilterByType DEFLATE application/xhtml+xml application/rss+xml
    AddOutputFilterByType DEFLATE application/atom+xml
    AddOutputFilterByType DEFLATE image/svg+xml application/vnd.ms-fontobject
    AddOutputFilterByType DEFLATE application/x-font-ttf font/opentype
  </IfModule>
</IfModule>