The idea behind SEO is to optimize a website so that it will rank high in search engines. Your main goal is to show up your website in the first 10 result for a common keyword searches that are relevant to your site contents. This is an alternative way to increase traffic in to your website. If for example someone searches in google for a keyword "diet" and your website ranks no.2 in that category then probably you get more hits on your website than other website who has a rank of 10 and above.
You'll need to learn the some Search engine optimization basics and apply it on your web pages. This will take some time and effort, by doing your home work on this will surely put your ecommerce business to a competitive edge.
SEO Master Tips
1. Page Title Include main keywords in the page title. It should be easy to read and concise. The less amount of words on your page title the more weight Google will give for your keywords.
2. Alt Tags An alternate text associated with a web page graphic that gets displayed when your mouse cursor is placed over an image is called an ALT tag. You should include your keywords in ALT Description.
3. Header Tags Instead of adjusting the font size or weight, use the Header tag, search engines will give more weight on this.
4. Links Try to exchange links with other related website. This will help you in page ranking. The more site links to your site the higher page rank you'll get.
5. Content Aside from having a good content from your website, make sure that you have used your keywords or phrases often and they are very well distributed and suitable in you paragraphs.
6. Avoiding your website to be banned by search engines. Don't do any foolish things in order get to a top position. You must be aware of the things that causes a website to be banned. Many website owners are complaining that their website have been banned by Google and they have no idea why. Promoting your ecommerce website has also a risk, to avoid this risk try to read some article about common website promotion mistakes.
Be careful with your actions if you are not sure if you are doing it right, consult it or read articles related to what you are doing.