On page and Off page SEO activity list

On page optimization
Site Analysis
Keyword Research
Keyword Density
Title tags
Meta Tags
Meta Description
H1 Tags
ALT Tags
URL Structure
Internal Linking
Original, Effective & Keyword Reach Content
Sitemaps
Robot.Txt
Blog installation & posting
W3C Validation
Track of target keywords

Off Page Optimization

Directory submission
Classified Submission
Social bookmarking
Article Submission
Press Release Submission
Blog submission
RSS Submission
Forum posting
Link Building
Reciprocal linking
Do Follow Blog Commenting