The winning of Real Madrid in early match puts a little pressure on Barcelona. They have good difference with Real Madrid but they will not want to waste any point because the season can witness a turning point between Barcelona and Real Madrid any time. Real Madrid are a big club and their players don't give up any tiny chance to win titles. In a long competition like La Liga, if Barcelona shortly have bad results in two or three matches, Real Madrid will not waste that opportunity and catch Barcelona or even pass through them.
Cadiz looks to be an opponent that can bring three points to Barcelona without much challenge but being carefully and fully concentrated in the match would be better. No space for mistake at this level of competition.
In fact Real Madrid made more mistakes in the second half of the season compared to Barcelona, who were increasingly consistent. Barcelona are not under any pressure at the moment because the last time they lost was against Bayern Munich in the Champions League grub phase. After that, Barcelona is unbeaten to date in all competitions. Real Madrid is not so favored because they have suffered four defeats in all competitions after the Champions League group stage took place.
I don't want to talk about their chances in the Europa League. But for La Liga, Barcelona still has quite a big chance compared to Real Madrid, because so far there are five points more than Real Madrid and one game unplayed. If I'm not mistaken, there are only two core players who are currently injured, Dembele and Busquets.