In short, we faced several problems:

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We isolated newer product lines that revealed massive declines across the entire line.

Keyword ranking comparison for newer product lines, June 2020 to February 2021, using Ahrefs Organic Traffic report.

Looking at the same report for the original product and related content, the traffic was much more stable. There was no growth, but there were no major dips that we saw with other product stacks.


Keyword rankings, traffic, and sales for two new product lines dr cambodia mobile database opped significantly.
The keyword rankings, traffic, and sales of the original product line did not grow, even with the introduction of new content and links.
What to do
If we were to take a step back, Google might start to see this as a decline in authority and relevance . For several years, this site only published content related to one key topic . While at first glance it may seem that the new product lines are closely related, this does not mean that Google has transferred this current authority to this new content.

In other words. Expanding products/new topics may have diluted the authority the site had in its original product. Of course, this new product silo positioned itself well out of the gate. It may have relied on the site's overall authority for those initial rankings. Sometimes Google changes its mind about what a site is and isn't an authority on.

This may make sense, especially upon deeper evaluation:

Most of the backlinks to the site were directed to the first product silo.
Most of the constant traffic was directed to the first product silo.
Action plan
In such a situation, there are several viable strategies to consider:

Invest heavily in the strengths they are losing by producing quality and relevant content, updating old content, and building relevant backlinks.
Remove content in silos that are losing.
Do nothing and hope Google changes its mind about silos
Option number one: it's expensive, time-consuming, and not guaranteed to work.
Option number two: is disappointing and removes the ability to rate content in the future. There is no guarantee that it will work.
Option number three: makes sense if you can prove that the content should be ranked. In other words, you are 100% sure that it is the best content on the topic. But if you can’t do that, then this path doesn’t make much sense.
It's really hard to evaluate whether your content actually deserves to be the number 1 result. Let's just say that we all tend to overestimate how good our own content is.

For this particular scenario, we were left in this position:

We didn't think the content in the low-performing silos was bad, but it wasn't the best content available.
It probably wasn't enough to fully establish current authority, as looking at competitors showed that they had much more content than we did.
Moreover, there was no appetite for large investments in product strengths that had not yet been proven.
In option number 2, the plan is to remove content silos where Google doesn't consider you an authority, thereby increasing the overall authority of the site.