Now a days there are so many websites. We will provide some information in our website how many people will know about our website. Assume that your site will provide some information on clothes you want your site to be viewed by more people what you will do?
If a user want to search for clothes, if he know the site containing info on clothes he will go through that if he don’t know any site generally he go for search engines.
Now search engines will generally give top ten results out of some results. Generally users click on the top one site and go for second and third and so on
To get your site to top position you need SEO.
For optimizing the website you should have some idea on HTML (Hypertext Markup Language)

Search Engine Optimization can be divided in to.
On-Page Optimization.
Off-Page Optimization.
Position-Monitoring.
On-Page Optimization includes:-
Title tag optimization
Description tag optimization
Meta keywords optimization
Content optimization
H1, H2 Tags Optimization
Robots friendly text
Alt-tag optimization
Competitors web site analysis
Site-map optimization
Off-Page Optimization includes
Submission of our website in to major search engines.
Submission of our website in to general directories.
Submission of our website in to product specific directories.
Position Monitoring includes
Monitoring our website for different keywords.
Updating of the current popular directories and link building.