Dynamic sites require highly specialized search engine marketing strategies that differ from those used for static sites. It's still hard to get dynamic sites indexed unless they're properly optimized. While search engines say they now index dynamic sites, and they do, many times it doesn't happen without a little help. And certainly the positioning of pages is another issue altogether.
There are a number of strategies that can be used to convert your dynamic URLs into search engine-friendly URLs. Before we get into that, let's look at how the dynamic databases used by ecommerce sites and other large sites are created, and why they’re hard to index.
What Keeps Dynamic Sites Hidden?
Dynamic pages are created on the fly with technology such as ASP, Cold Fusion, Perl and the like. These pages function well for users who visit the site, but they don't work well for search engine crawlers.
Why? Because dynamically generated pages don't actually exist until a user selects the variable(s) that generate them. A search engine spider can't select variables, so the pages don't get generated -– and can’t be indexed.
The big problem is that crawlers such as Google can't read the entire dynamic database of URLs, which either contain a query string (?) or other database characters (#&*!%) known to be spider traps. Because search crawlers have problems reading deep into a dynamic database, they’ve been programmed to detect and ignore many dynamic URLs.
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