1. Web Promotion
Website promotion is a collection of tactics, actions and techniques that serve to drive traffic (visitors) to your website.
Why is Website Promotion Important?
The more targeted traffic (visitors who fit your target market) a website receives, the better the chance of making sales, earning ad income and gaining clients. 
How is WebSite Promotion Done?
web promotion is done by vanity of ways and these ways or approaches continue to emerge
It can be done both Online and Offline modes
Online Website Promotion
Anything that allows you to include your website URL can be considered promotion including an signature line or participating in online forums.
Here are a few common website promotion tactics:
marketing(use of to develop relationships with potential customers and/or clients. marketing is one segment of internet marketing,)
Blog marketing(term blog comes from the combination of "web" and "log" or “weblog, Used as personal diaries)
Social Media
Advertising
Search engine marketing(tasks that help search engines such as Google, Yahoo!, and Bing, find and rank a website)
Search Engine Optimisation
Paid Seach Marketing( Pay Per Click)

2. Offline Website Promotion
Some offline website promotion techniques include:
Direct mail
Publicity 
Networking
Public speaking
Television and radio advertising
Newspaper advertising
Best Practices for Website Promotion
Know your target market.
Use search engine optimization strategies
Promote where your market hangs out.
Hook your market with a message that speaks to them
Track your efforts