Positioning and optimazation

• Does an online shop posittion itself?
• How is the shop code optimized in terms of search engines?
• Why can't I see my test online shop in a search engine?
• How to change the title of the website?
• Does a shop have 'friendly links'?
• How to connect your shop with Google Search Console?
• How to change an icon in the browser's bar (favicon)?
• How to generate website's map?