I don't speak any Slavic language, but I can make a reasonable guess at what the first half of that sentence means. Starting with the word "jazika" I have no idea anymore.
I think this means "Slovio is the ideal language for/of everyday/today's people"
"ludis" is 100% "people". Not sure what "dla" and "dnesju" mean. In Bulgarian, "dnes" (днес) means "today" so that's where I'm coming from.