WordPress is my favourite choice for small to big websites as it's easy of use is second to none and it can be integrated with almost anything that is used on the internet today
Many years of building hosting environment from grounds up enables me to see every aspect of every website project and to provide best possible solution that don't compromise on security or performance.
Every website is Google search optimised as currently Google is used for 90% of entire internet searches. From page structure to specific keywords everything is well thought trough.
I have started with Joomla 1.5 as website platform and gone all the way up until current 3.x version. Joomla is perfect for specific purpose websites as it don't require multiple extension thus keep it tight and secure.