Search Engine Optimization or SEO is a process involving the improvement of a website in search engines. SEO is a technique which helps search engines find and rank your site higher than the millions of other sites in response to a search query. So SEO basically helps you get to the top. SEO has a lot to do with keywords and links. Some of the important SEO tips are given below: 

Your website should have a simple but attractive layout; one that is easy to navigate through. A user friendly website should be a priority.

Include your keywords in the name of your website. Get your second or third keywords in your directory name and filename. Also use them for title pages, Meta tag titles, and all the way through the content. You should make sure that the keywords you use for the content are positioned throughout your website in a natural way. The over saturation of keywords will bring negative consequences.

Framed-websites make navigating through your website by search engines difficult. Although frames on some content parts of the website are acceptable.

Try to find links from high rated websites related to your website, as these will improve your ranking as well.

Using a search-friendly HTML code on your website will make it easy for search engine spiders and robotics to crawl your website for better ranking.

Keep your website size to a maximum of 15 KB as heavy data sites are difficult to download and this might make you lose possible customers.

Try to steer clear using content in Flash, frame, images, java script because search engine spiders find it difficult and it is also against Search Engine Optimization tips.

Avoid repeating keywords; instead use a synonym in different places of the content.

Don’t use dynamic URL because it doesn’t contain keywords and is therefore not search engine friendly.

Try submitting your website to some free but reputable directories.
Research where potential customers are can be found most likely and advertise to them there. This will capture the attention of search engines and increase your chances of sales.

Position an RSS Newsfeed or a newsletter on your website to provide visitors with access to interesting information or to any changing content on your website.

Propose your website only once to Google, Yahoo, AltaVista, MSN and other search engines and open directory. Make sure to avoid any script or website for automatic submission.

A very worthy advice is to offer a sitemap of your website to ensure that all pages of your website are indexed by search engine crawlers.

Utilize rich graphics on your website for an attractive layout and appeal to your website visitors as well as search engines.

Try owning multiple domains if you have several topics on your website.

If you have image links in your navigation bar, comprise text links and make sure the text links show up first in the source code.

Try using the several social bookmarking widgets available and make it easy for your visitors to social bookmark your website, forming important links that the search engines rate highly.

 All your inbound links should not appear the same as this is not appreciated by search engines.