How lengthy is your homepage content? If you shorten it, would you lose too many keywords and value?
It would be helpful if you show us your website and let us know what content you are looking to remove.
Due to the fact that vBulletin is much older than XenForo, you will find more plugins and themes developed for vBulletin than XenForo. XenForo is a great promising forum script, but it is still missing many features that vBulletin has. Although, it is developed by people who worked and developed...
You did not mention what script you will use for running your blog. I recommend WordPress since it is widely used and supported, you can find all types of plugins which allows to do almost anything with your blog including optimizing your blog for search engines.
Yoast SEO is good popular...
.COM is the legacy domain extension, ofcourse other domains have value. But, .com should be your first choice if your not targeting locally.
I suggest to always go for .com if your not looking for local domain extension, if the .com does not exist, then you can consider the other extensions.
You are right about the penalization part, redirecting a penalized domain to new domain will transfer the penalization, so it would be wise in that case to redirect the valuable pages.
The theory of double redirect, I believe it is not true at all. actually a double redirect even in the case of...
If you are looking to re-brand your business with a new domain name while preserving your current domain/website ranking and traffic, then you will need to use 301 permanent redirect.
The following are the steps that you need to do to redirect your a domain name to a new one:
1. Transfer your...
It depends on your targeted customers geographic location and the type of business you are running. Since you are considering PayPal, I'd say to go with them as they are widely used and reputed.
Such tools are useless, a website value depends on many factors that tools can not calculate, unique website designs and products are good examples. Important factors to consider when evaluating a website value are; domain name, traffic and revenue.
A website should have back link diversity when it comes to do follow and no follow back links. Building do follow back links only will trigger search engines bots and I have seen many sites being hit because of poor back link diversity.
ellys has explained it well: