DOMAIN AUTHORITY
Developed by Moz for the sole purpose of blog rating within a scale of 1-100 where 100 is the best and 1 is the worst, domain authority is a metric. So if you want to rank in search engines you need to have a high domain authority (D.A).
LANDING PAGES
A landing page, otherwise known as destination page is a web page which stands significantly alone for the main purpose of marketing or ad campaign. Its the page where visitors land after clicking your link via AdWords or others.
BOUNCE RATE
Bounce rate shows the number of people who enters your site and leaves almost immediately without wasting time or checking out other contents of your site. This can really affect the D.A of a new site.
See also- How to register and park a domain name to blogger
PAGE RANK
This is one of the many algorithms used by google to measure the authority of a webpage. In nowadays seo practice, page rank is otherwise known or referred to as love no juice.

Read more here - https://www.hoemyblog.com/2019/04/seo-analysis-vs-website-analysis-very-easy-description.html?m=1