If you use dynamic URLs, should you have dynamic meta data and H1 tags for SEO?

For example, I have a page that uses dynamic URLs to change an embedded YouTube video: http://www.bluelinkerp.com/products/product_tours.asp Should I also dynamically update the H1 tag, meta tags etc.? This is somewhat different than the typical use of dynamic URLs for multiple products.
Answer:

It depends if you want search visitors to be able to land on each individual video via search. The more pressing issue, in my opinion, is one of duplicate content. At the moment, your query string parameters are swapping out the video and the "now watching" heading. Aside from that, the page is pretty much duplicated. If you search Google for "site:http://www.bluelinkerp.com/products/product_tours.asp?", you'll see that it has 13 of the query string parameter URLs indexed. Theoretically, that's not going to reflect well on the quality of your site; 13 pages that are almost entirely duplicated. I'd say your options are A) Place a canonical tag in the <head> of this page to specify a singular page for search engines to rank. This assumes there's a clear starting point that you want users to land on. B) Dynamically pull in unique heading tags, meta data, page titles, and content for each query string parameter value. Implementing either of these options should benefit your site's SEO. Option A is much less work. Option B is more work and should only be done if it makes sense to invest in that type of content creation.

Mike Arnesen at Quora Visit the source

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