Web Optimization (Nginx, Pagespeed)

July 25, 2014
Development

These are some tools and hint to optimization your site.

Test page optimization:

Pagespeed

Remove old Nginx

sudo aptitude remove nginx nginx-full nginx-common

Install Pagespeed:

sudo add-apt-repository ppa:sandyd/nginx-current-pagespeed
sudo aptitude update
sudo aptitude install nginx

Nginx config:

pagespeed on;
pagespeed FileCachePath /var/ngx_pagespeed_cache;  # Use tmpfs for best results.

# without any space and don't forgot ","
pagespeed EnableFilters convert_jpeg_to_webp,lazyload_images,insert_image_dimensions,collapse_whitespace;

# 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}\.[^.]+" {
    access_log off;
    add_header "" "";
}
location ~ "^/ngx_pagespeed_static/" { }
location ~ "^/ngx_pagespeed_beacon$" { }
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; }

Checkout which filters enables

Debug errors if you have made mistakes in the cinfig files by:

sudo nginx -t

Nginx compression

/etc/nginx/mime.types

config: /etc/nginx/nginx.conf

gzip on;
    gzip_disable "msie6";

    gzip_vary on;
    gzip_proxied any;
    gzip_comp_level 6;
    gzip_buffers 16 8k;
    gzip_http_version 1.1;
    gzip_types text/plain text/css application/json application/x-javascript text/xml application/xml application/rss+xml text/javascript image/svg+xml application/vnd.ms-fontobject application/x-font-ttf font/opentype;

Nginx error:

Debug errors if you have made mistakes in the cinfig files by:

sudo nginx -t

Ref: