JAndBeyond - Extend Joomla! webserver instead

april 2012 Joomla! Database Abstractie

Extend the Joomla! webserver

instead


Jisse Reitsma● Co-founder and developer of Yireo

MageBridge, Vm2Mage, SimpleLists, Dynamic404, SSL Redirect, ...

● System administratorLinux, HP-UX, VMware ESX

● ProgrammerJoomla!, Magento, PHP, Java, Android

● Freelance trainerJoomla! development, Magento development


This talk● Part 1: Dealing with images (optipng, WebP)● Part 2: Dealing with CSS and Javascript● Part 3: Other stuff (mod_pagespeed, maldet)


Requirements● We “own” the server● Using SSH is vital (basic shell experience)


(questions?)


Part 1:Dealing with images


Dealing with images● Optimizing / indexing images (optipng, ...)● WebP: An alternative image-format


Image optimization (1/2)● What to do:

– Bit depth; color palette; indexation– Less quality; resolution– Compression technique


Image optimization (2/2)● optipng● pngcrush● pngout● jpegoptim● jpegtran


Google WebP● Reduces image size with 25-34%● Binary file “cwebp”● Yireo extensions:

– WebP for Joomla!– WebP for Magento


(questions?)


Part 2:Dealing with CSS and JS


CSS compressors● CSStidy● CSSCompressor● AjaxMin● Minify● YUICompressor


JavaScript compressors● Packer● JSMin● Closure Compiler● YUICompressor● AjaxMin


Also:● Forget about merging, build CSS using LESS● Use mod_deflate to compress JS/CSS output● JCH Optimize, Yireo ScriptMerge, RokGzipper


(questions?)


Part 3:Other stuff


Google mod_pagespeed● Apache 2 module● Features (core filters):

– HTML optimization– CSS / JS merging and compression– Image compression– Ideal for dedicated servers, not shared


Security tools● maldet● rkhunter● Nessus


Also (1/2)● Kernel parameters (TCP windows, timeouts)● tmpfs / ramfs● PHP accelerator: APC, memcache, XCache, ...● Use Nginx or Lightspeed instead of Apache● MySQL optimization


Also (2/2)● SPDY (HTTP2)● NewRelic● Piwik● Amazon S3 (s3cmd)


(questions?)

Technology

JAndBeyond - Extend Joomla! webserver instead