As a blogger I think providing good, solid information is always right. Whether you use this particular information or not it is your prerogative. As stated above I make no approval or disapproval, but I do consider it valuable information that can help you make decisions going forward.
SEO stands for Search Engine Optimization. Once it was an unknown term; now practically anyone who has a website has probably heard of SEO. But while better known it still remains somewhat unappreciated.