Within the content of a webpage, the holder is the most important phrase, normally usually goes at the home of the page and outstanding in bold, underlining or in greater letters.
He also has great importance since when being above, it is the first text that finds a finder when it examines the contents of a webpage. Some finders in addition give more importance to first and to the last characters of a webpage. It includes in them the words or phrases it nails more important.
The holder uses the labels of the H1 to the H6, the finders value plus the holders if they are within these labels.
He personalizes the holders for each webpage