How can dynamic pages avoid being seen as problems?

does a certain % of the site need to be different?

[matthew]

I have heard googlebot will consider a site spam if a certain percentage of the content on pages within a website are not different. Now, considering the bot sees the code, what if i have a dynamic (php for instance) site with 200 products. Each product has a description pages that has the little , maybe 70-100 line description. However, the majority of the code is the same for everypage, except for those few line sof text (lets say out of 500 lines of source code, 50 are diffeent 450 are the same for example) doesnt this look like spam ,or am i completely off?

[Macguru]

Hi matthew,

>>except for those few lines of text

Good then. It is all it cares for.

I would consider ways to increase the "noise to signal" ratio.

[Grumpus]

Google's not going to see the PHP source code - it's only going to see the resulting HTML.

Load a page in your browser, click "View Source". That's what googlebot sees except for anything inside a <script> tag.

G.

[bcc1234]

Don't worry about it. I have a few stores with thousands of product pages. They are all identical except for the product info, which is just a few lines. Google seems to ignore the identical parts of pages and concentrate on the different descriptions only.