Onpage Optimization. Onpage optimization (AKA on-page SEO) refers to all measures that can be taken directly within the website in order to improve its position in the search rankings. Examples of this include measures to optimize the content or improve the meta description and title tags.

Onpage optimization refers to all measures that can be taken directly within the website in order to improve its position in the search rankings.

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On page Optimization

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On-page optimization is a search engine optimization (SEO) tactic that configures the structural elements of a website to increase its search engine visibility and reach. It includes a series of different processes that colaboratively optimize the website structure to help it be found by search engines in specific and searchers (end users) in general.

On page SEO includes:
Title tag Check
Keyword Tag Check
Description Tag Check
Heading Tags
Image alt tags
meta tags and meta description
Alt attribute
content
Heading tags

Onpage optimization (AKA on-page SEO) refers to all measures that can be taken directly within the website in order to improve its position in the search rankings.

Onpage optimization refers to all measures that can be taken directly within the website in order to improve its position in the search rankings. Examples of this include measures to optimize the content or improve the meta description and title tags.

On page optimization is the first step in SEO. It measures all the keywords which are taken directly from the website and improve its position in the SERP.
On page Techniques:-
Page Titles.
Meta Descriptions.
Meta Tags.
URL Structure.
Body Tags (H1, H2, H3, H4, etc.)
Keyword Density.
Image SEO.
Internal Linking.

On-page optimization primarily configures and matches the structural elements of a website with how a search engine reviews a website, against a search query. The more the website is optimized in line with how a search engine shortlists and rank websites, the better its chances of being visible and ranking higher in search engines' results pages.