Class for representing HTTP method HEAD:

require 'net/http'
uri = URI('http://example.com')
hostname = uri.hostname # => "example.com"
req = Net::HTTP::Head.new(uri) # => #<Net::HTTP::Head HEAD>
res = Net::HTTP.start(hostname) do |http|
  http.request(req)
end

Properties:

• Request body: optional.

• Response body: no.

• Safe: yes.

• Idempotent: yes.

• Cacheable: yes.

Related:

• Net::HTTP#head: sends HEAD request, returns response object.