what is seo ? scope in seo field ?

[ROHI]

SEO is the practice of improving and promoting a web site in order to increase the number of visitor a site received from search engine.

[Chaabanov]

You can find a full collection of guides, strategies, and methods about seo here: http://seocollection2014.blogspot.com/

[Deepak Rajput]

SEO is the process of increasing your website search engine visibility. it is of two type like Onpage & Offpage SEO as follows...

On Page Optimization Activities

Keyword Research & Analysis
Competition Analysis
Content Optimization
Internal Linking structure Changes
URL Structure Changes
Site-map updating / creation
Keyword URL Mapping
Creation of Meta Information
Title tag (LSI Based)
Description tag (LSI Based)
Alt tags (LSI Based)
HTML Coding, Validation & Correction
H1, H2 & Strong tags
Canonical Issue Check
Error 404 page optimization
Xml Sitemap
Robots.txt
URL Architecture
Google, Bing & YAHOO Site map Authentication


Off Page Optimization Activities

Directory Submission
Social Bookmarking
Blog Commenting
Forum Commenting
Posting Stories in relevant blog websites
Submitting Articles in relevant article websites
Press Releases in relevant press releases website
RSS feed generation and submissions
Review Submissions
Q & A Submissions
Video Submissions (Video Provided by Client)
E-Book Submissions
Social Networking
3 Way links
1 way links