UN IMPARZIALE VISTA COSA SI INTENDE PER LINK BUILDING?

I’m using wordpress, the header tags are arranged by default H1 for the first header and the rest are labeled H2. Some posts have like 4 H2s. Does this harm my seo?With the effect of building bad links as part of D'avanguardia page, optimizing a website’s on-page is much safer. However should one get it wrong then it could immediately send the