search engine optimization are the technique or practice to attract traffic from search engine like yahoo, Google, Microsoft etc which i s mainly working on on page optimization and off page optimization. on page optimization where you makes changes in your website to improve your ranking in search engine. whereas off page optimization is whatever work done beside website like link building. The appropriate combination and implementation of on page and off page optimization would give desire result. Building links to your website is the most important component to a successful search engine optimization campaign.To put it bluntly, if you do not build links to your website, you most likely will not receive many visitors from search engines.
Link Building Tips:
 Try to diversify the strategies you use to build backlinks. It is best if not all of your
websites come from one strategy.
 Build your links slowly and methodically. Don't build them too fast, and don't stop
building them altogether.
 Only use link building techniques that you are comfortable with. It is good to know
Google's policies regarding links and then make your decisions.
 Start building links immediately. Don't procrastinate or over-analyze.

Following are some important tips for seo :

> Unique Keyword
> Rich Content
> On page optimization
> Blog commenting
> Forum postings
> Flexibility in content.

Forum posting and blog posting are the best way to get rank in the search engine quickly but you need to do all these in higher page rank websites than only you will get the perfect benefits of it and definitely.

Cryogenic Pump

I want to suggest you some tips:
(i)update you site with fresh content from time to time.
(ii) Include good unique quality content in your site .
(iii)go for forum posting, blog commenting in those sites that are relevant to your site theme, and other link building techniques of seo like social bookmarking, directory submission etc.

Some of the best SEO tips are : Forum Commenting, Blog Commenting, Press Release, Social Bookmarking, Link Wheel, Directory Submission.