SEO is used to increase your chances for your website to be included in the SE rankings. This is where you place keywords strategically within your site so the spiders from the search engine pick them up. The two work together as a team.
SEO is done when a website owner wants to drive traffic to their website. Search engines are the best way to accomplish this. Basically they take the URL of a website's pages and submit them to SE. The search engine will now look at the whole site page to look for the necessary keywords that someone has typed into the search engine box.
SEO is done by improving a website with less noticeable changes with regards to coding, structures and overall presentations. Written content is also placed to house specific keywords that the website owner hopes will be picked up when the SE searches for sites related to what a target person is looking for.
There are free seo services and ones that would be costly to you. The free seo may not list your site as quickly as you would like them to. The costly services would increase your chances of getting it listed quicker. The quicker it is done, the better it will drive traffic to your site.
SEO works together with seo. The site needs to be strategically structured so that not only can it be listed on a search engine, but also it can be ranked higher in placement on the search engine.
There are professional seo companies that can submit your site easier and quicker to numerous search engines at one time. Research these companies and find the one that best suits your needs. If this is not what you are looking for, you can also use seo software to schedule website submission, report when it's successful, optimizes web pages and much more.
Some of the software programs have a free trial period to try it out. The cost, however, after the free trial period can be quite costly. If you feel that this is something you need for your website, be sure to fit it into your budget.
SEO are on the whole different, but they do work collectively to make your website a successful one.