Best 4 Keyword Research Tools in 2021

Keyword Research is one of the most important factor of SEO. Keyword Research is a process in which we do complete analysis of keywords and whether it is easy to rank on that keyword and how much traffic that keyword gets from search engines.

If you write articles without doing keyword search then your article do well. Without keyword research, you don’t even know why your article is not getting any traffic from search engine. The reason could be anything maybe you have written an article on a difficult keyword or else the search volume of the keyword is close to zero. If anyone wants to rank higher or even rank they should do keyword research.

As of now, you know the importance of keyword research but how to do keyword research in free. In this article, I will tell you the best 4 free Keyword Research Tools which will help you in keyword research.

Best Free Keyword Research Tools in 2020

Before we get into the free tools for keywords research, I want to tell you that if you are just a beginner then these tools are good for you but if want more detailed analysis about keywords then you can use some paid tools Ahrefs and SEMrush. Ahrefs and SEMrush are the best-paid tools for SEO which is used by thousands of SEO marketers in the world. But as you just starting, you don’t need that much deep analysis so let’s see the best free tools for keyword research.

1. Keyword Generator

Keyword generator is a free tool from Ahrefs. When you search a keyword on this tool, it will show you upto 150 keywords related to your main keyword. Remember before searching any keyword, first change the country because by default it is US selected. For example when you search for a keyword like SEO then it will show you 100 related keywords and 50 questions keyword related to SEO.

Whenever you search a keyword it will give you a list of keywords and also show the Keyword Difficulty of the first 10 keywords. Keyword difficulty is a score between 0 to 100 hundred which how difficult it would be to rank for that keyword. Normally, the more kd score has any keyword the more backlinks you need to rank for that keyword. In keyword, generator, you can also see the search volume of keywords from different search engines like bing, youtube, and amazon. You just need to change the search engine.

2. Ubersuggest

Neil Patel’s Ubersuggest is a very good free keyword search tool. You can find search volume, paid difficulty, and SEO difficulty of any keyword by just searching. Here, SEO difficulty means how difficult it would be to drive traffic from Google to that particular keyword. Normally if this score is higher than 40 then beginner should avoid that type of keywords. Because more than 40 score shows it’s very difficult to rank on this keyword. And the paid difficulty means how much competition you will get you run ads.

This tool also shows how many clicks a website gets from a search engine for a particular term. And how many keywords of that website are ranking and also how many backlinks does any website have. You can also find keyword suggestions with monthly search volume and SEO difficulty.

The best thing about ubersuggest that you can do competitor analysis to get more knowledge about your competitor. You just have to search your competitor’s website in ubersuggest and it will show you the all information on that website like how many pages of that website ranking and on which term also how many backlinks do they have and many more.

Backlinks are the most important factor in SEO so this tool gives you the ability to know about your competitors backlink profile. To know about backlinks just head to the backlinks section and search any article URL or domain URL and it will show all backlinks that are linking to that website. Now here you have an opportunity to stole backlinks of your competitor by writing better content than them. If you really write better content then your competitors then surely happy to link back to you.

One more benefit of ubersuggest is you can perform audit for any website. In audit, ubersuggest will tell you about website speed and technical SEO errors. To find an audit report of your website just go to the audit section and search your website.


If you want to combine keyword then this tool make work easier for you. You can find many keywords from Google search suggestions but it will take a lot of time so this tool will keyword suggestions from Google. Just go this tool and put or keyword then this tool will show you 750 keyword suggestions to your keyword. You can find keyword suggestions, related keywords, and question keywords with this tool.

To generate more keywords, you first have to put your keyword and select country then click on search. You can also add some filters like which word to include or exclude in keyword suggestions.

4. Google AdWords: Keyword Planner

This free keyword tool is helping people for years. if you are starting a new website then it can be a good tool for you and also when your website will grow this can be your best friend.

The best thing about the keyword planner is that it is a product of Google. It means you will get the data directly from Google. To find keywords just click on keyword suggestion with your keyword. You can find the estimated traffic and difficulty of a keyword. Remember this tool is mainly for advertisers but you can also use it for keyword research at a basic level. This tool gives you a list of keywords with

1. Average monthly searches
2. Competition
3. Suggested bid

In this article, we have given some knowledge about free keyword research tools in 2020. If you like this article then please do share with your friends on social media. And if you have any questions or suggestions, let us know in the comments. Thanks for reading.

Leave a Comment