pagespeed config

# PageSpeed
# Enable ngx_pagespeed
pagespeed on;
pagespeed FileCachePath /var/ngx_pagespeed_cache;

# let's speed up PageSpeed by storing it in the super duper fast memcached
pagespeed MemcachedThreads 1;
pagespeed MemcachedServers "localhost:11211";

# 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 ~ "^/ngx_pagespeed_static/" { }
location ~ "^/ngx_pagespeed_beacon$" { }


# complete set
pagespeed RewriteLevel CoreFilters;
pagespeed EnableFilters collapse_whitespace;
pagespeed EnableFilters remove_comments;
pagespeed EnableFilters insert_dns_prefetch;
pagespeed EnableFilters extend_cache;
pagespeed EnableFilters inline_google_font_css;
pagespeed EnableFilters sprite_images;
pagespeed EnableFilters rewrite_images;
pagespeed EnableFilters convert_png_to_jpeg;
pagespeed EnableFilters convert_jpeg_to_webp;
pagespeed EnableFilters defer_javascript;
pagespeed EnableFilters prioritize_critical_css;

# To enable Varnish
pagespeed DownstreamCachePurgeLocationPrefix http://127.0.0.1:80/;
pagespeed DownstreamCachePurgeMethod PURGE;
pagespeed DownstreamCacheRewrittenPercentageThreshold 95;