Make user/<username>/ redirect to the version without /.
Make user/<username>/ redirect to the version without /.

DMOJ/site,Minkov/site,Phoenix1369/site,DMOJ/site,monouno/site,Minkov/site,DMOJ/site,Phoenix1369/site,Phoenix1369/site,Minkov/site,Phoenix1369/site,monouno/site,Minkov/site,monouno/site,DMOJ/site,monouno/site,monouno/site