by 1993, blue was becoming the industry standard for interaction for hypertext.
The operative words here are "industry standard". In other words blue links are merely a convention, like driving on the left.
Many websites don't conform to the 'industry standard', and use colors like red unaccessed links, followed by another 'non-standard' color for an accessed link instead of the purplish color that most websites use.
The operative words here are "industry standard". In other words blue links are merely a convention, like driving on the left.
Many websites don't conform to the 'industry standard', and use colors like red unaccessed links, followed by another 'non-standard' color for an accessed link instead of the purplish color that most websites use.