Risk analysis and Optimization analysis?

Can anyone please explain the concepts of risk analysis and optimization analysis? And give a brief example of both? Thanks for any sort of help that anyone can give, god bless, everyone :)

Risk analysis is a methodology for understanding the statistical likelyhood of negative events taking place. It's used extensively in the insurance and investment industries and by government emergency management.

FEMA example:
http://home.pacific.net.sg/~thk/risk.html

Optimization analysis is a branch of Decision Analysis for mathematically verifying that a decision is the optimal choice.

http://en.wikipedia.org/wiki/Optimal_decision

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RISK ANALYSIS--Making and Testing Large and Small Changes. ...
Getting and Giving High-Quality Backlinks. ...
Enhancing Your Site's URL Structure. ...
Overhauling Your Website. ...
Buy Expired or Available Domains. ...
Poor Doorway Pages (or any doorway pages in any respect) ...
Disallowing Neutral Backlinks. ...
Deleting or Condensing Content or Entire Pages.

OPTIMIZATION ANALYSIS--

Search engine marketing analysis is a device for people to observe how they may enhance a given internet site’s rating on SERPs like Google. With an SEO analysis, you can find what aspects of your SEO strategy are working and what your most significant boundaries are, which can be preventing you from improving your site rating.

To position it simply, a search engine marketing evaluation is an ought to rank better, enlarge you attain, pressure traffic, and hit your commercial enterprise goals. With an assessment, you’re now not taking shots inside the dark; you’re making strategic decisions, which reduces time and resources spent.

Without an intensive SEO analysis of your website, it’s pretty a whole lot impossible to make informed decisions for improving your website’s ranking in search engine results pages (SERPs).