Keyword research in SEO is the way toward finding words and expressions that individuals use in web crawlers with a definitive objective of streamlining content around those terms and positioning for those terms in web indexes.
Why is Keyword Research is very important for SEO?
Keyword research impacts every other SEO task that you perform, including finding content topics, on-page SEO, and outreach and promotion.
Keyword means search word, phrase or sentence that the user will search in google or any other search engine to find a similar type of content.
So for a business keyword is very important because if you identify the right keyword helps to rank on the search engines. Increases the chances of more visibility in the search result page and you will get more visitors and traffic of your page.
This is very important that the user will not visit your site if you don’t have any valuable content.
That’s why keyword research is usually the first step of any SEO campaign.
Put another way:
Keywords are like a compass for your SEO campaigns: they tell you where to go and whether or not you’re making progress.
As a bonus, researching keywords help you figure out the thoughts, fears, and desires of your target market. That’s because keyword research gives you insight into what customers are searching for… and the exact words and phrases that they use.
Obviously, there are a lot of factors that went into my site’s success with SEO, including content, on-site optimization, link building and technical SEO.
Now, will discuss the types of keyword.
Types of Keyword
There are several types of keywords available. From SEO practice point there are 3 classifications of keywords which is very important for the search engine optimizers.
- Short tail keyword
- Middle tail keyword
- Long tail keyword
What is Short Tail Keyword
A short tail Keyword is an expression that contains may varry from one or two words. Suppose there is a galaxy of keywords. This is very broad range search from the galaxy. So this is very difficult to get the expected search results.
Examples: “Cat”,” recipe” or “food recipes”.
The type of keyword has a few things working for and against them. You can use this keyword for the huge traffic of your website.

Short tail keyword | Learn Digital Marketing Free
What is Middle tail keyword
The Middle tail keyword is in-between of the short and long-tailed keyword. It contains more than two and less than four keywords. This is a bit similar to the long-tail keyword.
What is Long tail keyword
A Long tail keyword contains more than three words. It may vary from five to six words. The Long tail keywords are phrases containing multiple words. They are unquestionably significantly more focused on and not as expansive. You may not get as much inquiry traffic from long-tail watchwords however the traffic you do acquire is the benevolent you are searching for.
Since web crawlers used to depend on particularity in the pursuits (searching for an accurate match to the user’s question) many substance makers and SEOs put together their whole technique with respect to long tail watchwords.
Examples: “Chinese food recipes list”, from this example user is more specific about to get the proper result.

Long tail keyword | Learn Digital Marketing Free

Types of Keyword Comparison
Keyword research in SEO is clearly understood from the above picture that long keyword is always preferable to compare short keyword and more chance to get the right search traffic.
Conclussion: From the above pictures we can see the search results has been changed. The short tail may get the huge traffic but there is a chance to increase the decline rate or bounce rate and the user may not find the proper results. But for long-tail keyword user behavior is more specific and the bounce rate will be less.