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First I would share that while URLs can affect ranking, their effect is quite low. I try to keep them short and clear not only for ranking, but for user readability. I would suggest offering the flattest URL structure possible. Is having the term "blog" or "resources" actually helpful for anything? It really depends on your site. For some sites it makes a lot of sense to add a /blog layer to the URL, but for others it does not.

This is exactly what we do as well, or if the product is obsolete always keep the page and use it to suggest relevant products.

Thank you! And the same strategy should be used on the title tag? Because the URL strategy is already known to me and implemented on my site.