Remember this from the early internet?
ODP and DMOZ referred to the same original directory. The old URL retains the earlier spelling.
What does Open Directory Project (ODP) mean?
Open Directory Project was the name of an editorially maintained web directory known as DMOZ. The abbreviation is ODP; OPD in the old page name was a transposed spelling.
From NetzTurm Decode. Clear explanations with historical context.