SEO is short for "search engine optimization." To have your site optimized for the search engines means to attempt to have top placement in the results pages whenever a specific keyword is typed into the query box. There are many search engine optimization services to choose from, so here are some things to keep in mind when seeking SEO services or developing an SEO strategy of your own.
Hey Ted, thanks for the great questions! The peak times refer to your particular time zone, if you are targeting an audience that resides in the same zone as you. You can also use tools to find out when most of your audience is online. For example, Facebook has this built into their Page Insights. For Twitter, you can use https://followerwonk.com/. Many social posting tools also offer this functionality.