The page title can 1) help you quickly identify a webpage on a browser if you open many tabs; 2) be used by search engine to determine the relevance with respect to keyword search; 3) be used as the default title when you bookmark your webpage.
The page title is added between the <titled> </title> tags in the HTML file.
Webpage headings highlight different sections on the webpage so visitors can quickly scan for information of interest
There are 6 levels of headings.