I heard that On Page Optimization is the best technique in SEO. How does it work ? Hoping good answer ! Thanks in advance.

It is one of the best technique in seo among other seo techniques.In on page webmaster(seo) does some changes on web page to get better position in search engine result.
On page covers following things:
Title optimization
Description
Keywords
H1 tags use
Image optimizations
sitemap
robots.txt etc. Hope these details will helpful for you. 

On-page optimisation (on-site SEO) is what can be done on the pages of a website to maximise its performance in the search engines. For eg

- Include well-researched keywords in appropriate density
- Include meta title, description tags, ALT tags, H1 tags
- Develop a strong internal linking strategy
- Place anchor text properly
- Optimize title by placing target keywords in the title
- Include a sitemap
- Optimize images and videos
- Include fresh, unique content
- Improve page loading speed
- Optimize images and videos properly

On-page optimization helps you improve your search engine visibility. But these must work hand-in-hand with off-page optimization techniques for best results.

Fresh Quality content in the website plays the major role nowadays in the SERP.

On Page Optimization is a Process To Make your Site according to seek engine guidelines. In Off page optimization,we focus on links and In on page optimization, we focus on content,keywords and meta tags. On-Page factors are related directly to the content and structure of the website.

All developers have different types SEO techniques but I am using blog commenting and social bookmarking is very effective.

On page optimization is a process through which you can improve the traffic on your website. It helps in improving the rank of the website in the search engines so that there is better visibility and visitor satisfaction. There are several factors affecting on page optimization and these are controlled the code on your page or by you. It is an extremely important part of internet marketing. There are different methods that people all around the world follow to optimize their content.

List of On page SEO factors:

Keyword Research
Keyword Density
Keywords in URL.
Keywords in Title tag.
Keywords in Domain name.
Keywords in meta tags.
Keywords in description.
Page Headings H1, H2, H3.. H6
Page Content
Internal Linking
Domain Name

All major engines highlight the content present in the Meta tag in their search result. Keywords embedded Meta tags enhances the key density of the of the description, which plays a great role in deciding the search engine ranking of the website.

On page optimization is necessary in order to gain Internet visibility, especially on search results. Without setting title and meta tags, website will have a hard time appearing in search results. On page optimization starts with a unique website title and meta tags.

On page optimization means optimizing resource

On page optimization is the best method to optimize the web pages of SEO.On page SEO optimization is related to the web pages and its content.On page optimization method makes your website search engine friendly and user friendly.

Quote from: Rohan123 on August 21, 2011, 01:39:22 AM
List of On page SEO factors:

Keyword Research
Keyword Density
Keywords in URL.
Keywords in Title tag.
Keywords in Domain name.
Keywords in meta tags.
Keywords in description.
Page Headings H1, H2, H3.. H6
Page Content
Internal Linking
Domain Name

Thank you for this check list. I'm studying about on-page

Quote from: Rohan123 on August 21, 2011, 01:39:22 AM
List of On page SEO factors:

Keyword Research
Keyword Density
Keywords in URL.
Keywords in Title tag.
Keywords in Domain name.
Keywords in meta tags.
Keywords in description.
Page Headings H1, H2, H3.. H6
Page Content
Internal Linking
Domain Name

Nice list you can  also add

Adding site map html and xml
W3C validator

On Page Optimization is a Process To Make your Site according to seek engine guidelines. In Off page optimization,we focus on links and In on page optimization, we focus on content,keywords and meta tags. On-Page factors are related directly to the content and structure of the website.

On Page Optimization is a Process To Make your Site according to seek engine guidelines. In Off page optimization,we focus on links and In on page optimization, we focus on content,keywords and meta tags. On-Page factors are related directly to the content and structure of the website.

Thanks for on page seo keywords factors.....

It is long time and does not need to be altered

An easy and cost effective way to rank higher

On page optimisation if done from the making of the website can be very fruitful and will not need redesigning

It will increase web accessibility for the blind using the text-to-speech software or text-to-Braille  hardware

On Page Optimization means just think work are in our site only,we are doing live.We have to  needs update keyword,and what are the tags are needed to insert to improve you page.

on-page is all about the basic of site, for example if you are going to launch your site then you have to research about keywords and about its pages then when you research about these thing it will be the part of on-page seo, usually these activities use in on-page seo

tittle tag
description tag
keywords tags
keywords research
canonical issue
robot.txt
redirect

0n page optimization helps to boost the website in search engine optimization. In On page optimization there is required to make unique title meta and descriptions as well as keyword tags which helps to get the multiple pages indexed in Google uniquely.

On page optimization is the most useful method for SEO. There are so many techniques which are very necessary for ranking. Some of the methods are Title Tag, Site Map, Image Tag, Description Tag and Meta Tag. These all 5 techniques play the important role to get indexed on Google. Meta Tag and Sitemap are necessary things in on page because Google robots mainly affects on both of these techniques.

On Page Optimization is a Process To Make your Site according to seek engine guidelines. In Off page optimization,we focus on links and In on page optimization, we focus on content,keywords and meta tags. On-Page factors are related directly to the content and structure of the website.

Titles are very important to on-page optimization. The titles show up at the top of the browser and are often used by search engines as the title in search engine results. The title is a good place for keywords. Make the title direct, to the point and ensure that all the pages on your site have their own unique titles.

On Page Optimization is a Process To Make your Site according to seek engine guidelines. In Off page optimization,we focus on links and In on page optimization, we focus on content,keywords and meta tags. On-Page factors are related directly to the content and structure of the website.

The first and most fundamental advantage is that you seem more relevant to your visitors. It is a major reason why they choose to trust you. As you know trust is a very important factor that can lead to more leads and sales. Optimizing your site for search engines at once and people should need not be a compromise. There is considerable overlap between the tasks required to achieve these two objectives, and this overlap can be used to your advantage.

On Page Enhancement is a Process To Make your Site according to seek engine guidelines. In Off page optimization,we focus on links and In on page optimization, we focus on content,keywords and meta tags. On-Page factors are accompanying anon to the agreeable and anatomy of the website.

On page optimization is very crucial aspect of seo and there are so many different techniques used for it here are some of them which really could help you,

Keywords in Domain name,
Keywords in description,
Page Content,
Internal Linking,
Image optimizations,
Sitemap.

On page SEO is process of modifying and optimising content of your website with main aim - better positioning in Search Engine ranking results. On site SEO includes the text, images and links on your website. Any change made on your site's domain is considered as on page optimisation.

On-Page Optimization is a process of making your website optimized to get targeted traffic. We uses different techniques to optimize site like

SEO friendly URL rewriting
Creating unique Title each page
creating unique description for each page
using Heading tags
using alt tags on images
using proper anchor text
content optimization
sitemap.xml submission
robots.txt submission
removing broken links

On-page optimisation can be done on the pages of a website to maximise its performance in the search engines for target keywords related to the on-page content.