When William Playfair started using visualisations in his books he saw it as a means to bring information faster to his readers:
From William Playfair’s ‘Lineal Arithmetic; applied to shew the progress of the commerce and revenue of England’, 1798
And he did it with copperplate charts, like this:
Today search engines have the same ambition: to open up information fast and efficiently. And tons of articles help making this better than competing information providers. The following table does this in visual form like Playfair would have done (?).
For statistical websites these elements play a positive role: Cf, Lq, Ln and Ta. Some work has surely to be done for Sr and Ss.