Your page has 1 blocking script resources and 12 blocking CSS resources.

[Kevin Nguyen]

I have issue with blocking css resources. I used LoadFromFile for HTTPS sites.

### Pagespeed

 

pagespeed ProcessScriptVariables on;

pagespeed LoadFromFile "http://$host" "$document_root";

pagespeed FileCachePath /var/ngx_pagespeed_cache;

Here is my Pagespeed configuration:

pagespeed on;

 

pagespeed RewriteLevel PassThrough;

#pagespeed EnableFilters fallback_rewrite_css_urls;

pagespeed EnableFilters combine_css;

pagespeed EnableFilters combine_javascript;


 

# Needs to exist and be writable by nginx.  Use tmpfs for best performance.

pagespeed MemcachedThreads 1;

pagespeed MemcachedServers "127.0.0.1:11211";

pagespeed FileCachePath /var/ngx_pagespeed_cache;


 

  # Filter settings

#pagespeed RewriteLevel CoreFilters;

pagespeed EnableFilters collapse_whitespace,remove_comments;

pagespeed EnableFilters insert_dns_prefetch;


 

### rewrite css

#pagespeed EnableFilters rewrite_css;


 

# improve resource cacheability

pagespeed EnableFilters extend_cache;

# enable JavaScript minification

pagespeed EnableFilters rewrite_javascript;


 

# enable image optimization

pagespeed EnableFilters rewrite_images;


 

# Compress images

pagespeed EnableFilters recompress_images;

pagespeed EnableFilters recompress_jpeg;

pagespeed EnableFilters recompress_png;

# disable particular filter(s) in CoreFilters

#pagespeed DisableFilters rewrite_images;

pagespeed EnableFilters defer_javascript;

pagespeed EnableFilters prioritize_critical_css;


 

# PageSpeed Cache Purge

pagespeed EnableCachePurge on;

pagespeed PurgeMethod PURGE;


 

#pagespeed EnableFilters combine_css,combine_javascript;


 

# rewrite CSS to load page-rendering CSS rules first.

pagespeed EnableFilters prioritize_critical_css;

# flatten CSS files by replacing @import with the imported file

pagespeed EnableFilters flatten_css_imports;

pagespeed CssFlattenMaxBytes 5120;

# remove tags with default attributes

pagespeed EnableFilters elide_attributes;


 


 


 

location ~ "^/pagespeed_static/" { allow 127.0.0.1; deny all;}

location ~ "^/ngx_pagespeed_beacon$" { allow 127.0.0.1; deny all; }


 


 


 

location /ngx_pagespeed_statistics { allow 127.0.0.1; deny all; }

location /ngx_pagespeed_global_statistics { allow 127.0.0.1; deny all; }

location /ngx_pagespeed_message { allow 127.0.0.1; deny all; }

location /pagespeed_console { allow 127.0.0.1; deny all; }

location ~ ^/pagespeed_admin { allow 127.0.0.1; deny all; }

location ~ ^/pagespeed_global_admin { allow 127.0.0.1; deny all; }

location ~ "\.pagespeed\.([a-z]\.)?[a-z]{2}\.[^.]{10}\.[^.]+" {

  add_header "" "";

}


 

pagespeed ImplicitCacheTtlMs 3600000000000;

pagespeed LoadFromFileCacheTtlMs 360000000000;

How can I fix the blocking css resource?

[Otto van der Schaaf]

The prioritize_critical_css filter needs a few full page loads to learn about which css is critical.

This may vary per user-agent so you may need to run a couple tests before PSI receives the fully optimized results.

Otto

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