Repost from: http://www.articlesbase.com/e-learning-articles/difference-between-seo-and-sem-you-should-know-for-your-small-business-7441352.html
Search engine optimization is used to get better ranking for your website in search results. When we come to SEM it goes beyond SEO services. Small business owners probably know something about SEO and they use SEM as a marketing strategy to grow their business on the internet. Search Engine Marketing includes tactics such as paid listing and other search engine related services.
To increase your website visibility you need to get more traffic from search engines. It can be optimize by using SEO. There are two parts of optimization: on-site optimization and off-site optimization. Onsite optimization is a process in which you can do anything within your website to optimize it for search engines. There are various key factors you need to consider in onsite optimization such as domain name, meta description, web contents, internal links, tags and meta tags, anchor texts, bounce rate and loading speed. The most important factor here is web content. The web content for your website matters a lot in onsite optimization. Quality and uniqueness should be considered as the primary function of every post which is going to be included in your website.
The offsite optimization is a process of doing optimization outside your blog. Here you will get votes from other websites to increase your web sites trusts. Beginners may find it confusing but it is all about page ranking and popularity of your website. You can make use of social media to increase your popularity. When we talk about onsite SEO it includes factors such as link building, reputation management and social media engagement. Most of the work done is link building. It is one of the most important factors to increase targeted web traffic. To maintain the quality of each link, unique content for each page is required.
Search engine marketing uses the overall internet marketing strategy. It may happen that every business owner has their own marketing strategy, but whenever it comes to internet marketing they should follow the marketing strategy that is defined by main authorities. SEM is a marketing process in which you can increase your search engineranking by getting more free traffic or paid traffic. SEM traffic is one of the most important sources of internet traffic because it is targeted. Most people use the internet to get solutions to their problems. When a user finds some search results on the internet, they are more likely to convert into traffic. Facebook and twitter are great social media platforms for advertising. They try to optimize their advertising platform so that they can utilize targeted traffic…but still it is coming from search engines.