SEO vs SEM: What’s the Difference?
What is SEO?
The term SEO stands for Search Engine Optimization. It is the process of optimizing websites in order to achieve a high ranking in Google's search engines — search results. Search engine optimization (SEO) aids in the improvement of your website and content so that it is more apparent to search engines.

SEO is a strategy of improving a website's exposure on a search engine's organic ('natural' or unpaid) result page. This is accomplished by the use of a search engine-friendly website architecture, relevant meta tags, and a diverse link landscape. It also involves content optimization, which includes improvements and grammatical repairs.

What is SEM?
SEM is a phrase that refers to the efforts done to generate relevant traffic to a certain website in order to get a higher search engine ranking. SEM is made up of two distinct processes in general. 2) Pay-per-click advertising (PPC) (or cost-per-click (CPC)) and "organic" search engine optimization (SEO). However, the area of SEM is not static; it is always changing and increasing as a result of new breakthroughs.

Which one to use?
For the purposes of online marketing, each of these processes are equally crucial. However, if you don't want to spend more money and are willing to wait at least six months to benefit from higher search engine ranks for a longer period of time, SEO is the ideal option for you.

If you don't have the time or desire to attain organic results and are willing to send more bugs everywhere in the search results, SEM is the way to go.

Finally, we can state that it is very dependent on the website and business that you wish to expand. Above all, it is determined by your budget and overall business strategy.

Search Engine Optimization is the abbreviation for search engine optimization.’ It is the process of optimizing your web pages so that they appear high in Google and other search engines’ search results. This means that when people search the internet, they are more likely to come across your website. The goal of SEO is to improve rankings in organic – or non-paid – search results. If you have a website and want to increase traffic, SEO should undoubtedly be a component of your marketing strategy.
The concept behind SEO is that by optimizing your page to become the greatest result, you can climb the rankings and become one of the first results people view. Which will increase the number of clicks and visitors to your website.
Depending on the search query, there may be some advertisements at the top, a rich result, or a few Google Shopping products. There are numerous options, and what Google displays may be influenced by what it knows about the searcher (the
the country they live in, for example,