On-page SEO and Off-page SEO
 

One page seo tip
1. Keyword Research
2. Optimize post title
3. Meta Decription
4. Optimize your image with ALT tag and Title Attributes
5. Optimize Custom Permalink
6. Internal Linking
7. Keyword Density
Off-Page seo tip
1. Link Building
- Blog Directories
- Forum Signatures
- Comment link
- Article Directories
- Share content Directories
2. Social Bookmarking
3. Social Media

Thanks for sharing your thoughts with us but i wanted to some things in your list.
On page : Adding H1 Tag, Adding XML Sitemap and robot.txt files, Adding All website links in footer.
Off page : Local business listing, Document sharing, classified ads submission, blog commenting, guest posting, CSS and RSS feed submission

follow google web master guideline

Thanks.But guest blogging is another nice way for offpage optimization.It gives natural link and quality visitors.