Best SEO Forum

-I've been reading various SEO blogs and news sites and they are talking about the big brands getting higher rankings in search results.
-Is this true? Does Google favours Big Brands? Is this the end of SEO?

In Metatag keywords which letters shall we use, upper case letters or lower case letters? Does it affect ranking?

How long it takes to get into 1st page from 2nd page?

What is the length of Description tag ?

What are the best practices for Description tag ?

I see rel="external" tag. What is this tag for and does it affect SERP?

I have a dynamic website, how to check if my website suffers from Canonicalization problem?
Is there any tool for this?

I have a website and it was appearing in Google top 10 ranking for a keyword and all of sudden it started to disappear. First it went down to be on 2nd page then 4th and finally disappears from the Google search result.

Any idea why it happened?