htmlheading HTML Heading Tag HTML Heading tag has six level H1 to H6. H1 is the top level H6 is the lowest heading level.HTML web page mean Heading (title and subtitle) can be define using HTML HeadingĀ tag. Syntax Under <html>Write <body>..<h1>Hello</h1></body></html> close the tag Example for HTML Heading Tag <head><body><h1> Hello </h1><h2> Hello </h2><h3> Hello </h3><h4> Hello </h4><h5> Hello </h5><h6> Hello </h6></body>