my $usagepct = 1; # score multiplier for 0..100 result
# normalise usage percentage to only include shown browsers
-$usagepct = 100 / featurescore({ # yes for every possible version
+$usagepct = 100.01 / featurescore({ # yes for every possible version
map { $_ => { map {$_ => 'y'} @{$versions{$_}} } } keys %versions
});