What is the difference between SEM and SEO

SEO: Chinese translation is search engine optimization. One way is to use search engine rules to improve your site’s organic ranking in relevant search engines. The aim is to provide an ecological self-marketing solution for the site to lead the industry and earn brand revenue. SEO includes both off-site SEO and on-site SEO.

From the official interpretation, SearchEngineOptimization ((search engine optimization), which is SEO search engine optimization.

SEO is a kind of sales network based on search engine marketing. By using the marketing promotion method SEO technology, the keyword ranking of the website and the exposure rate of the company's products are improved, and users click to obtain traffic.

Many people will compare SEM and SEO, and their differences are mainly in the following points:

1. Definition

SEM (SearchEngineMarketing search engine marketing), and SEO is called (SearchEngineOptimization search engine optimization)

2. Purpose and means

First of all, the SEO optimization object is the keyword (short sentence and long sentence) of the search matching degree of natural ranking, which depends on the text content of the article and the relevance of the user's search content. The search engine will configure the corresponding position according to the age of the website, visit , activities and other factors. The purpose of SEO is not marketing, just to let the user get what he wants to search for, but people find that SEO can also achieve marketing purposes, such as product, brand keyword ranking, etc., to bring traffic.

But SEM is different. The purpose of SEM is to rank high for keywords, which has nothing to do with text quality and website quality. It depends on how much you bid for this keyword, the more you bid, the higher the ranking, and that's it.