What is on-page vs off-page SEO?

Off-page SEO is the actions taken outside your website that impact search engine rankings. Off-page consists of link-building.

On-page SEO deals with the pages on a website, both in regards to content and the backend structure of a site.

While on-page SEO refers to the factors you can control on your own website, off-page SEO refers to the page ranking factors that occur off your website, such as backlinks from another site.

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.

On-page SEO deals with the pages on a website, both in regards to content and the backend structure of a site.
On-page optimization goal is to improve individual web pages to rank higher in search engines results driving qualified organic and targeted traffic to your website.

Off-page SEO is the actions taken outside your website that impact search engine rankings. You have less control over these.
Off-page consists of link-building. Link building can be accomplished through various means, from

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.

While on-page SEO refers to the factors you can control on your own website, off-page SEO refers to the page ranking factors that occur off your website, such as backlinks from another site. It also includes your promotion methods, taking into account the amount of exposure something gets on social media, for example.

on-page SEO is anything that you do with your website, ie website optimization or creating your website according to norms, and off-page is generally creating backlinks and gathering traffic and anything that you do outside the website or for your website.

Agree with Hassan R.
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.

And

Off-page SEO" (also called "off-site SEO") refers to actions taken outside of your own website to impact your rankings within search engine results pages (SERPs).

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.

And

Off-page SEO" (also called "off-site SEO") refers to actions taken outside of your own website to impact your rankings within search engine results pages (SERPs).

Search engine optimizing for off-site ranking factors involves improving search engine and user perception of a site's popularity, relevance, trustworthiness, and authority.

This is accomplished by other reputable places on the Internet (pages, sites, people, etc.) linking to or promoting your website, and effectively "vouching" for the quality of your content.

"Off-page SEO" (also called "off-site SEO") refers to actions taken outside of your own website to impact your rankings within search engine results pages (SERPs).

Optimizing for off-site ranking factors involves improving search engine and user perception of a site's popularity, relevance, trustworthiness, and authority. This is accomplished by other reputable places on the Internet (pages, sites, people, etc.) linking to or promoting your website, and effectively "vouching" for the quality

on page seo is anything that you do with your website, ie website optimisation or creating your website according to norms and off page is generally creating backlinks and gathering traffic and anything that you do outside the website or for your website.