I'm not talking about keyword density per se. I've never paid much attention to that, not even back in the 90s - it's always been a bogus metric.
I'm talking about a very long page that tries to cover several different topics:
For me, that leads to the question what is the main topic of that...
If you want to include a video from Youtube or one of these other sites
just click on the little...
First, there is a limit to how much text (including html, etc.) googlebot will crawl before it stops crawling a single page. I think today that limit is quite generous compared to say 10 years ago but it isn't infinite.
Second, you are diluting potential search terms on the page with other...
Actually, I get the security warning even if I go directly to the URL for the old site so it's not as Google problem.
The problem seems to be a bad SSL certificate on the old site:
Unfortunately, unless you have access to the old site - and specifically to the server or tech support on the...
It sounds like you're talking about two different things here.
Even if your redirects are done properly, it takes some time (weeks or months) for Google to update all the URLs in its index. And if I'm understanding you correctly, the old site is still active too? If so, I'm not sure what...