### site.com.conf

    # Ensure requests for pagespeed optimized resources go to the pagespeed handler
    # and no extraneous headers get set.
    
    location ~ "\.pagespeed\.([a-z]\.)?[a-z]{2}\.[^.]{10}\.[^.]+" {
      add_header "" "";
    }
    location ~ "^/pagespeed_static/" { }
    location ~ "^/ngx_pagespeed_beacon$" { }
    
    pagespeed AnalyticsID UA-XXXXXXX-1;
    pagespeed EnableFilters make_google_analytics_async;
    
    pagespeed RespectVary on;
    pagespeed DisableRewriteOnNoTransform off;
    pagespeed LowercaseHtmlNames on;
    pagespeed ModifyCachingHeaders off;
    pagespeed XHeaderValue "Powered By ngx_pagespeed";
    pagespeed PreserveUrlRelativity on;
    
    #pagespeed EnableFilters collapse_whitespace;
    pagespeed EnableFilters extend_cache;
    pagespeed EnableFilters rewrite_css;
    pagespeed EnableFilters combine_css,combine_javascript;
    pagespeed EnableFilters rewrite_images;
    pagespeed EnableFilters strip_image_meta_data;
    pagespeed EnableFilters lazyload_images;
    pagespeed EnableFilters inline_google_font_css;
    pagespeed EnableFilters resize_rendered_image_dimensions;
    
    #### end.Pagespeed configurations

### nginx.conf (global configuration)
  pagespeed MemcachedServers "127.0.0.1:11211";
    
  pagespeed On;
  pagespeed FileCachePath "/var/cache/ngx_pagespeed/";
  pagespeed FileCacheSizeKb            102400;
  pagespeed FileCacheCleanIntervalMs   3600000;
  pagespeed FileCacheInodeLimit        500000;
  pagespeed StaticAssetPrefix /pagespeed/static/;
  
  #pagespeed ProcessScriptVariables on;
  #pagespeed StatisticsPath /ngx_pagespeed_statistics;
  #pagespeed GlobalStatisticsPath /ngx_pagespeed_global_statistics;
  #pagespeed ConsolePath /pagespeed_console;
  #pagespeed MessagesPath /ngx_pagespeed_message;
  #pagespeed AdminPath /pagespeed_admin;
  #pagespeed GlobalAdminPath /pagespeed_global_admin;