What is on-page SEO and why do I need it?

On-page SEO is the practice of optimizing individual web pages in order to rank higher and earn more relevant traffic in search engines. On-page refers to both the content and HTML source code of a page that can be optimized, as opposed to off-page SEO which refers to links and other external signals.
Top 11 Google Ranking Factors for 2020
There are more than 200 signals crawlers use to determine what a page is about, but here’s a basic breakdown of the top 11 Google ranking factors in 2020:
- Secured sites (HTTPS vs. HTTP)
- Websites that are mobile-friendly
- Schema markup
- Webpage content quality
- Webpage content length
- Page speed
- Social signals
- Quality backlinks
- Optimized images
- Domain age
- User experience (UX)