which of the best method in seo?

[Sonamsingh]

Both Method are Useful in SEO:
On page Optimization are the factors that affect Directly on the Website or Web page.
Keyword Research
Title tag
Meta Description
Sitemaps
URL Structure
Update Content Regularly

Off page Optimization helps to generate the Traffic into the Websites.
Micro Blogging
Forum posting
Guest Posting
QnA
Article Submission
Directory Submission
Local listings
Infographics
Video posting