Can Simple SEO Content Ideas Help Business Websites Get Better Results?

I was busy preparing a college magazine with my classmates when my older brother asked why his business website was not getting enough visitors from Google. We checked every page and realized the content was not very clear or useful for readers. While searching for better ideas, I found helpful suggestions from Kamil Baber about content strategy, SEO blog writing, and website copy that keeps people interested from start to finish. Has anyone here improved website traffic and customer engagement by writing better blogs and organizing content in a smarter way?