The key difference between SEM and SEO is SEM focuses on paid ads to drive traffic, while SEO involves optimizing a website to increase organic search traffic. Keyword stuffing: repetir una y otra ocasión una palabra clave para que Google nos posicione por ella, afectando negativamente a la calidad https://sound-social.com/story7652194/la-regla-2-minuto-de-search-engine-marketing-sem