Go to the Settings tab > Basic tab.
Specify the website name that your visitors will see as the title of their browser window when they visit your website.
To show both your website name and the current page name in the browser title window and to increase your website recognition in search engine results, select the Add website name to page titles checkbox.
Add short description (up to 255 symbols) of your website.
This will be used as the default description for new pages. It will be shown by search engines when people see your website in search results.
Provide a list of keywords that describe your website (10-15 keywords are recommended).
These keywords will be used as default keywords for new pages. Keywords are analyzed by search engines and are used for displaying your website when people search for these keywords.
Click OK to save changes