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Yesterday I went public with The HDTV Shoppe as an example of how to integrate AdSense with embedded content that is normally unavailable to the AdSense crawler. Today I’d like to talk about a related topic, how AdSense publishers can use PHP to their advantage to simplify website creation.

PHP is a programming language, but don’t let that scare you if you’re not technically inclined. The truth is, you don’t have to know much to take advantage of some basic PHP features, features that can be extremely useful in your website development. We’re limiting ourselves to “plain” websites here, but if you develop a familiarity with PHP you’ll find that it becomes a lot easier to customize WordPress blog themes and similar things.

How PHP Works

PHP is what’s known as “server-side scripting”. In other words, you mix PHP commands with the HTML tags of a page and when the web server is asked for the web page it first runs the PHP commands and then returns the processed page — not the actual page that’s sitting up on the web server. In other words, if you had this page sitting on your web server:

I’ve long been a member of Amazon’s affiliate program, One of the new features available via the Amazon Associates program is the Amazon aStore, which Darren Rowse already reviewed, but here’s the quick summary: an aStore is an Amazon-hosted website that displays Amazon products chosen by the associate. It can be customized to a certain degree to let the visitor also see categories of products, but it really needs more customization capabilities. All product information comes from Amazon’s databases, of course, and any purchases made through an aStore earn the affiliate a commission. The idea is to make it easy to build a featured set of products and include it on an associate’s website with no programming required. (If you’re willing to invest some time and do some programming, however, you’re better off looking at Amazon Web Services, you’ll get much more control that way.

Anyhow, I was wondering if it was possible to integrate AdSense into an Amazon aStore, so I did some experimentation and came up with The HDTV Shoppe (opens a new window).

Over-optimization happens when your website is considered “too good” by Google – either in terms of a sudden volume of backlinks, or because of heavy on-page optimization. In other words, if Google considers that your website optimization is beyond acceptable limits , your website will be red-flagged and automatically restricted or penalized.

There is a fine line between over-optimization and spamming, and it is on this line that Google can appear to err. However, this is not a mistake by the search engine – in fact, Google calculates rankings by considering thousands and thousands of different factors – and a lot of importance is attached to average “trends” within the niche / keyword range that a website is optimizing for.

The bottom line is that over-optimization is non-spamming search engine optimization that is misread by Google as being beyond acceptable limits, thus leading to a penalty in search engine rankings.

What criteria does Google use?

To understand why Google can consider certain websites over-optimized, it is important to factor in the criteria that Google uses to rank websites. Read the rest of this entry »