SEO plays a vital role in driving traffic to the website. It can be inherited into two major techniques. They are

1. on-page optimization2. off-page optimization

Page Titles

First and foremost on-page SEO factor is page

title. The page title must be descriptive, unique

and it should include rich keywords.

Meta Tags

Meta tags includes description, keywords and

so on. These are used to provide the

information to make users understand about

the website. It can control the crawling and

indexing of search engines. Description and

keywords should be relevant and it must consist

of high density keywords.

Robots.txt

Use a text file robots.txt to instruct search

engines on how to crawl and index pages.

Canonicalization

Its a most important part to develop an

optimized website. Its used to inform the

correct URL of the website to search engines.

URL Structure

URL structure of a website is the most notable

part of SEO. URL of a website must be search

engine friendly i.e., shortest URLs with

targeted keywords.

Heading Tags

Heading tags (h1, h2,..,h6) are used to

differentiate important content and heading from

the rest.

High priority keywords must be added in H1 tag

and others as follows.

Keyword rich contents

Relevant content inclusion throughout the

website is the essential part of on-page SEO.

Included keywords must have high density and it

should not be excessive. Unique content will be

preferred by all search engines.

Image Optimisation

Image optimization includes image quality,

file size, file format, relevant images, alt tags,

image title and so on.

Refer for more about image optimization: http://www.slideshare.net/Svasamsoft/image-optimization-techniques-tips

Sociability

Encourage readers to share website content by

adding social media buttons. Also it will help to

get better rankings in search engines.

Summary

Optimizing any one will not give much difference

in search results. A developer must consider all

these techniques together to get better crawling

and indexing in search engines.

Source: Moz, google support, mattcutts, onlineincometeacher, searchengineland