Mar 102017
 

Brotli compression improves website performance by offering approximately 20% better compression than existing algorithms such as GZIP.

Brotli is a generic-purpose lossless compression algorithm that compresses data using a combination of a modern variant of the LZ77 algorithm, Huffman coding and 2nd order context modeling, with a compression ratio comparable to the best currently available general-purpose compression methods. It is similar in speed with deflate but offers more dense compression.

When brotli is enabled, it takes precendence over gzip if Accept-Encoding has both gzip and brotli.

Nginx source tarball:

# wget http://nginx.org/download/nginx-1.10.3.tar.gz
# tar -xzvf nginx-1.10.3.tar.gz

Brotli git clone:

# cd /usr/local/src
# git clone https://github.com/google/ngx_brotli.git
# cd ngx_brotli
# git submodule update --init --recursive

Nginx reverse proxy build:

# ./configure --http-client-body-temp-path=/usr/local/src/nginx-1.10.3/tmp/body \
--http-fastcgi-temp-path=/usr/local/src/nginx-1.10.3/tmp/fastcgi \
--http-proxy-temp-path=/usr/local/src/nginx-1.10.3/tmp/proxy \
--lock-path=/var/lock/subsys/nginx \
--pid-path=/var/run/nginx.pid \
--user=nginx --group=nginx \
--without-mail_pop3_module --without-mail_smtp_module \
--without-mail_imap_module --without-http_uwsgi_module \
--without-http_scgi_module \
--add-module=/usr/local/src/ngx_brotli --prefix=/usr/local/src/nginx-1.10.3

Nginx reverse proxy configuration:

http {
  …
  brotli on;
# brotli_static on;
  brotli_comp_level 4;
# brotli_types *;
  …
}

YMMV …

Source: https://github.com/google/ngx_brotli
Source: https://www.enovate.co.uk/blog/2017/02/28/how-to-brotli-compression-with-nginx
Source: https://www.enovate.co.uk/blog/2017/02/27/brotli-compression
Source: https://www.voorhoede.nl/en/blog/static-site-implosion-with-brotli-and-gzip/
Source: https://blogs.akamai.com/2016/02/understanding-brotlis-potential.html

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