meeseeks

# define a simple filter to extract meta tag ONLY
filter = filter = fn x ->
    case x do
        {<<"meta">>, value, _} -> true
        _ -> false
    end
end

# fetch the page and store the response 
{:ok, response} = HTTPoison.get(target, headers)

# parse the body and extract the parsed content of /head
response 
|> Map.get(:body)
|> Meeseeks.parse
|> Meeseeks.one(xpath("//head"))
|> Meeseeks.tree
Enum.filter(filter)

References and Resources

• https://github.com/mischov/meeseeks (opens new window)