SEO of any website, submission process is really vital. It is actually all about gaining links from different sorts of website and better back-links help in off-page SEO of a website.
Keyword is a single word, and while a combination of those keywords makes phrases. These keywords or phrases are used by the search engines to populate the subjects over the internet. Search engine stores keywords in the database.
Yes it helps in passing link juice and increasing page views also. We will use different anchor text every time for doing it and will make our web pages do follow so link juice can be passed.
When we search the name of website without www. or extension like .com or any other then if website appears in search then its not penalized nor banned and if we don’t find it then it may be penalized or banned.