The Internet Archive discovers and captures web pages through many different web crawls.
At any given time several distinct crawls are running, some for months, and some every day or longer.
View the web archive through the Wayback Machine.
The header element typically contains the headings for a
section (an
h1-h6
element or
hgroup
element), along with content such as
introductory material or navigational aids for the
section.