Search Engine Optimization - the basics
Link structure within the site
An obvious, but sometimes overlooked, aspect of search engine optimization is to make sure that search engine spiders can actually find (crawl) all of the site's pages. If they can't find them, they sure as hell won't get spidered and indexed, and no amount of search engine optimization on them will help.
Some points to note
- Spiders can't see links that are accomplished by Javascript so, as far as search engines are concerned, they don't exist. Don't use them if you want spiders to follow your links.
- Google won't spider any URL that looks like it has a Session ID in it, so URLs with longish numbers in them must be avoided. These are usually dynamic URLs.
- Make sure that all pages link to at least one other page. Links to pages that don't link out are called "dangling links".
- It is good to structure the internal links so that targeted search terms are reinforced. E.g. organize the links so that a topic's sub-topic pages link to the topic page with the right link text (see below), and vice-versa.
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