In reality, Search Engine Optimization (SEO) is an art-form, blending technologies to the point just shy of diminishing results. Sure, there are hacks that can be accomplished today but tomorrow those hacks can propel a website to the abyss. So even though search engines are constantly tweaking their algorithms, the natural and organic approach to optimizing a website will yield constant results.
Adhering to standards today...
Easier to find you tomorrow.