LSI keyword (Latent semantic indexing) is a word or phrase that is associated with your primary keyword. You can rank for more long-tail keywords by using them to inform search engines about your page's content.
On-page SEO is the practice of optimizing web page content for search engines and users. A well-done on-page SEO strategy increases your search rankings, traffic to your site, and conversions.
A backlink is a link created when one website links to another. Backlinks are also called "inbound links" or "incoming links." Backlinks are an important factor in search engine ranking.
Whenever you link to another page on your site within your content, you are creating an internal link.
The process of technical SEO involves optimizing your website's crawling, indexing, and rendering phases in order to rank higher in search engine results.