Search Engine Optimization (SEO) is the last process I would think of when making my homepage. However, when fighting for customers or the possibility for an audience and thus advertising revenue through page clicks then understanding SEO and placing it in the center of your website’s design is vital for your personal/professional wealth. Professional Search Engine Optimization with PHP: A Developer’s Guide to SEO by Jaimie Sirovich and Cristian Darie and published by WORX as part of its Programmer to Programmer series details many, many valid tactics.