Change browser settings according to your requirements and by blocking casino adds as well as gambling sites, is good idea. Thus a gamble  will visit less in these websites and so he would place less bets then before as usual. Even if you have installed any gambling related apps or software in your devices then you should use lock so that whenever you want to go there you need to unlock first. It'll warn you that trying to inter gambling website. Those poses will work for them who can control them self already otherwise sus set up and work for any addicted person. Cause any person become addicted then nothing will stop them from gambling