Which on Page Element Carries the Most Weight for SEO?

On-Page SEO: What's the Heavy Hitter for Rankings?

Diving into on-page SEO? You've probably got a mental (or actual!) on-page SEO checklist: title tags, H1s, meta descriptions, image alt text, internal links... the list goes on! It's easy to wonder: Which of these carries the most weight for search engines in 2025?