411 REFERENCE · Wikibooks
HyperText Markup Language/Tag List/h1
Reference material by Wikibooks contributors. This retains its source identity and is not 411 news reporting.
h1 tag is the one of the formatting tag...
By this tags developer can upgrade the display size
find the various difference of output with the textsizes
Example:
H1 Hello World
H2 Hello World
H3 hello World
H4 Hello World
H5 Hello World