Internal and external links are no longer a good idea.

SEO Good way Increase Keyword ranking of website. SEO Off page Activity are the

Article submission
Blog submission
Directory submission
Yahoo Answering
Bookmarking submission
classified submission

Some best off-page activity for better keyword ranking.

1. Directory Submission
2. Article Submission
3. Blog posting
4. Competitor site submission
5. Forum Posting
6. Classified
7. Guest posting
8. Social bookmarking
9. Press Release

SEO is usually all about generated organic traffic & ranking. If the target audience finds the right content that is applicable to them then they will more than likely engage in your online business, resulting in higher sales conversions. Potential customers to your website should be able to find what they are looking for in a quick and efficient manner.

Blog commenting, Forum Posting and Guest Blogging play vital role to rank better.

Some off page term is good to make rank better like - SBM, Good content sharing, blog commenting, blog posting, classified.

Five Ways to Improve your Site’s Ranking (SEO)
1. Publish Relevant Content
2. Update Your Content Regularly
3. Metadata (Title Metadata, Description Metadata, & Keyword Metadata)
4. Have a link-worthy site
5. Use alt tags

Blog Posting

slow but sure :D

focus on on page SEO and Off page, and build quality links instead of quantity in spam links

forums,bookmarking,blog posting,directories will helps in ranking better in the search engines

- Content is kings - On-page - Offpage - blog 2.0 - Forum posting

SEO Off page Activity are the Best way Promote the Business.

Article submission
Blog Submission
Bookmarking submission
Web 2.0 Submission
Guest Posting
Yahoo Answering
Images Posting
Video Posting

Please Guest posting and video submission are best one.