Some best SEO off-page activity which helps to improve keyword ranking are:

Article submission
Blog commenting
Profile Creation
Business Listing
Guest Posting
Infographics
Social bookmarking

Directory Submission
Article Submission
Image Sharing
Video Sharing
Business Listing
Document Sharing etc...

Social Bookmarking
Artical Submission
Directory Submission
Social Media sites
Guest posting

Article submission
Blog Submission
Search engine Submission
Classified Submission
Local business Listing
Directory Submission........

Article submission
Blog commenting
Profile Creation
Business Listing
Guest Posting
Infographics..etc..

The Link building techniques are
1. Blog submission
2. Search Engine submission
3. Forum Submission
4. Social Bookmarking

Discover competitors' common backlinks.
Get an indirect backlink from your competitor.
Recover your dead backlinks.
Turn your mentions into backlinks.
Find the strongest competitors healthy backlinks.
Find the most relevant link building opportunities.
Be aware of your competitor's new links

1. Social Bookmarking

2. Business Adding and Local Listing

3. Business Review

4. Articles Sharing

5. Classified Sharing

6. Blog Sharing

7. Document Sharing

8. Profile Creation

9. Forum Posting

10. Social Media

Thanks a lot.

Best Link Building Method are the

Article submission
Directory submission
Bookmarking submission
Classified submission
Yahoo Answering

Article submission
Blog Submission
Search engine Submission
Classified Submission
Local business Listing
Directory Submission
Bookmarking submission
Rss Submission
Ping Submission

I think the best link building strategy isArticle Submission
Blog Posting,Blog Commenting,Press Release Submission,Classifieds Submission,Social Bookmarking and marketing,Business Profile Creation,Forum Posting and most importantly article submission.

These are utilized by many third party referencing organizations. A connection homestead can regularly have an immense number of sites and website pages inside it, all under the control of the third party referencing organization. By building a connection cultivate third party referencing organizations can offer a set number of connections for a set expense as they have a lot of web land on which to construct the connections. The issue with connection homesteads is they can be found by the web search tools and when they are, the connections inside them will stop to have any positive effect on the destinations they connection to

Thanks a lot. I will try wit article submission first

Classified Submission
Local business Listing
Directory Submission
Bookmarking submission
Rss Submission
Ping Submission