Search Engine Optimization (SEO) is science and art. SEO methodology isn’t difficult. It’s finding authoritative and trustworthy SEO authors that is difficult.
My professional life is half-split: web standards and organic SEO. I continuously read about each; I study each. And—Oftimes— I will be reminded of methods I had forgotten or reasons for my methods.
If you should read the following, you’ll know elementary search optimization. Further, you will have a foundation of understanding for the search optimization potential offered by Microformats and new HTML elements proposed by the W3C HTML and WHAT Working Groups. (All of the UAs or, User Agents follow emergent machine-readable elements and search engines are UAs.)
Google Search Engine Ranking Factors from SEOmoz [April 2, 2007] is the original article published September 28, 2005 with amendments and graphs.[Note: I’ve this in my “Of Curiosity” section since this site was published.] It is indefensible. This article ranks every SEO factor known with concise explanations for those rankings. It is exhaustive; and, trustfulness’s guaranteed.
“This document represents the collective wisdom of 37 leaders in the world of organic search engine optimization.”
The SEO Playbook - Welcome to the Rabbit Hole Alice from Stuntdbl SEO Consulting [April 18, 2007] may be considered how the art of site optimization should be done.
“This is intended to be an "advanced beginner”s guide" - which is a bit of a paradox, but the idea is that even the most proficient of SEO’s often revisit the basics, and that execution on simple solutions can be very elegant and effective.”
And, the above article contains linked references that should be followed.
I’ve included this article — How to Avoid Using Poisonous Meta Tags from SEO Black Hat [August 21, 2006] — since it recently happened to a friend of mine which contributed to his somewhat puzzling search engine results. The article was written specifically for Word Press users but it is applicable to Everyone.
Read all of the above, follow Web Standards, practice sensible Information Architecture (IA), Link Bait and you’ll be half-way there.