Introducing on page SEO in a new light

On-page SEO refers to any that part of optimization that you do and control on your website. Doing on-page optimization makes your website more valuable for the users to improve your ranking or visibility on the search engine results page (SERPs).
Why is on-page SEO important?
Consequently, we should see that is it worth the importance which we are giving to it?
Firstly, it helps to improve readability and reach higher rankings. Secondly, it also helps to increase traffic to your website which can increase the leads and the profit too.

It takes some time, but once when they get into form, they make the traffic. Though, it is a part of Search Engine Optimization it is the main part that makes the user satisfied.
What are the things to focus on?
There are some factors which you need to focus on for better results while doing on-page SEO, which are:

URL of the website or page
Title tag
Meta Description
Headings
Alt tags
Content
Media
Internal links of your website
Mobile-friendliness (Responsiveness)
Speed of the site
Keywords