From Lynda.com.

Firebug plug-in.

Google Adwords, pay per clip advertising service.
create the set up page.

https://www.xml-sitemaps.com

Majestic SEO or SCO?

https://semrush.com/features/backlinks

https://moz.com/researchtools/ose

https://ahrefs.com

Traffic alone to a site does not mean that your site will produce sales and loyal following, referrals, or other benefits.

You want people calling in with orders and not questions.

Peter Kent claims that there are only two important search engines--Google and Bing.  Did not realize that Bing was that important.  Yahoo gets search results from Bing.  97% of all searches in North American come from Google & Bing.

SEO field is constantly changing and you've got to keep up.

A utility that lets you look at the html code underlying a web page to see how specific components were created.

You can edit the page, modify it in other words.  All major browsers have this built in.  Right click and select "Inspect Element" to open up the code.

https://adwords.google.com/KeywordPlanner