Best Keyword Research Tools For SEO: 2021

Keywords are one among the foremost critical and important parts of SEO. The essential foundation of SEO is keyword research.
Afterwards, other factors like on-page optimization, Writing SEO friendly content, a good UX, content that satisfies user intent and a couple of other factors inherit the picture.

Many companies invest thousands of dollars to buy keyword research tools to urge such targeted content.
But you don’t get to do this. Just follow this guide…
The keywords you select to specialise in for your program optimization (SEO) efforts are critical to the success of your website’s rank.
Choosing the proper keywords isn’t always easy or intuitive and you would like plenty of knowledge to understand whether a given keyword will work for you.

Here is the list of Keyword research tools listed below:
Google Keyword Planner

Bonus: Google Trends

So now you recognize the fundamentals of keyword research and you have got an understanding of how valuable it is often.
Fortunately, there are many tools available which will assist you to find out which keywords work best for your overall web strategy.

There are mostly two sorts of Keyword research tool:

  1. Basic Keyword research: Use the main Keyword to seek out profitable Keywords
  2. Competitor based Keyword research: Find proven keywords that are helping other sites to drive traffic.

I find Competitor based Keyword research to be simpler because the purpose of the Keyword research is to search out profitable Keywords. What might be more profitable than something which is already working for someone?
All you would like to do then is to make a page targeting that profitable keyword & reap the advantage of keyword research.

In this exclusive guide, I have covered both the sort of Keywords. Most of those keyword research tools are paid and only a couple of of them are free.

Best Keyword Research Tools: 2020 edition


SEMRush tool

“What is the easiest keyword research tool for a blogger?” And the answer is SEMRush.
SEMRush isn’t a typical keyword research tool; it offers such a lot quite just researching keywords. It allows you to perform keyword research in multiple ways.
For example: Find keywords employing the main Keyword, Find Keywords driving traffic to your competitors

The simplest one that I prefer is having the ability to seek out keywords supported a URL. All you would like to try to do is, add a URL (or your competitor’s URL) and it’ll show you all of the keywords that are ranking for that page. You can do an equivalent for a whole website. This makes it easier for you to seek out short-tail and long-tail keywords that you simply can target and beat out your competition.

you’ll get in-depth keyword data such as:

  • Keyword traffic volume
  • Keyword difficulty score
  • Search engine reports
  • Adsense CPC

and so many other details that you simply got to properly do Keyword research.

It also offers features like:

  • Keyword manager:
    This allows you to add keywords during a list and see the updated data. It helps in better managing keywords once you are researching for profitable keywords.
  • Keyword difficulty tool: 
    See the keyword difficulty score.

SEMrush is very recommended and therefore the #1 keyword research tool.

KW Finder


If you are trying to find one of the dedicated keyword research tools, KWFinder is your best bet. they are new within the market yet they are one among the fastest-growing SEO tool companies.

KWFinder helps you get the Keyword which will assist you to drive highly targeted traffic. Using Questions based Keyword research option you’ll quickly find long-tail keywords that are associated with problem-solving. It’s no brainer that problem-solving content helps us get more targeted traffic & conversion.

KWFinder offers both free & paid plans. for many of the users, the essential plan is the best.
However, do use the ten days free trial account to ascertain the effectiveness of KWFinder keyword research app.


ahrefs tool

Ahrefs is one among the foremost popular keyword tools out there.
What I prefer about them is extensive detail including the keyword difficulty. Ahrefs uses clickstream data to also show what percentage clicks you’ll get from the search engine.

This is very useful after knowledge graph integration, as many keywords may have huge traffic but they hardly get any clicks from the search engine. the reason being, they get answers directly from the Google search result. Example of one such query is: “birthdate of any celebrity”

Another thing which makes Ahrefs Keyword research tool stand out is that the great UI & the quantity of knowledge they supply. you’ll read an in-depth review of Ahrefs here. You can also create an inventory of keywords to focus on directly from the Ahrefs dashboard. You don’t get to use excel & this is often an enormous time-saving.

Google Keyword Planner

Google Keyword Planner

The Google Keyword Planner tool is one among the foremost used and popular keyword research tools out there.
The only reason for it being so popular is it’s free and is directly integrated with Google AdWords.

To start using this tool you would like to own an AdWords account (which you’ll create one for free).
the most important feature of the Keyword Planner tool is that the deep information it offers on Google (the largest search engine).
Limitations: In some ways, that’s also a limitation. If you would like to understand how your site or a given keyword is doing on other search engines, you won’t get onto here.

free to use.

The Keyword Planner tool may be a good, basic tool for the first stages of a website’s SEO.
This my favourite free tool, but if you would like more detailed and competitive analysis, I might recommend going for one among the advanced tools that I even have listed below.


LongTailPro tool

LongTailPro may be a cloud-based software for keyword research and one among the foremost popular during this list.
This is a paid keyword research tool which can assist you to find amazing keywords for your niche/micro-niche sites. With their “platinum” version, you’ll get a very amazing and detailed keyword analysis feature.
They even have a competition checker, which can make it easier for you to select the proper keyword.



Serpstat is another comprehensive keyword research tool that I discovered recently. they have done some specialized work when it involves helping us identify winning keywords.

The Serpstat keyword tool gives you the following details:

  • Search volume
  • Competition
  • CPC
  • Keyword difficulty score

You have the choice to look in supported the country or also within the Yandex search engine. The Keyword trends section helps you to know how the keyword search trend has been.

There is an in-depth keyword difficulty score section that shows the highest 10 sites that have taken ranking for the keyword alongside details like page rank, external backlinks and referring domains. this sort of knowledge is extremely useful once you got to evaluate if you’ll rank them for a selected keyword or not.
For those that are in PPC, the SERPstat keyword research page also shows which all domains are advertising for your target keyword within the search and what quite ads they’re running. Something uncommon during this list of best tools of Keyword research.

Serpstat is employed by small businesses to research keywords, build new links, and develop a strategic SEO platform.
Pricing: Serpstat includes free data only for registration.
Monthly pricing is $19 per month.



SpyFu is one of the simplest SEO optimization software products on the market. It’s especially useful if you’re trying to research and stay before the competition during a tight niche.

SpyFu is very useful for 2 important reasons.

  1. Understanding your competition’s SEO platform.
  2. Discovering under-served, un-tapped, or emerging markets.

SpyFu also has several modules.

  • Compare Websites module
  • Keyword History module
  • Domain History module
  • Related Keywords module

This program doesn’t have the depth of keywords that some competitors do, although this is often changing. Also, the info for SpyFu is monthly, instead of real-time.

SpyFu offers two basic pricing plans also as an “Agency” plan.
The basic plans are $79 and $99 per month (with a reduction of quite 40% if you purchase a 1-year term).
The “Agency” pricing is $999 per month.

SpyFu may be a solid SEO product.
It’s useful if you would like to see up on the competition also as find new areas during which to promote.

I would not recommend you choose up all of the tools listed above, but instead, stick with one or two Keyword research software and obtain won’t to its system. If you’ve got been using the Google Keyword Planner tool for a short time, you’ve got an honest basis for getting started with any of the paid and professional tools listed here. Take a glance at a number of these tools and choose which works best for your business strategy.



Ubersuggest is a free SEO tool that helps you find new content ideas, learn about your competitors, and get keyword suggestions for your content. It acts much like other paid tools (Ahrefs, MOZ, SEMRush, etc.), save for more in-depth keyword analysis you might find with other products, so it could be an excellent option for freelancers who don’t quite have the budget to spare for a pricey SEO tool.

Here’s how Ubersuggest might help when you’re stuck in the content creation process, from start to finish:

  • Competition Analysis
  • Keyword Analysis
  • Keyword Suggestions

Bonus: Google Trends

Google Trends

Google trends may be a free keyword research tool that gives great data of knowledge directly from Google. you’ll trust all the knowledge like keyword popularity, Interest by region, related queries.

You can also compare two or more search queries to ascertain the traffic trend. this is often the sole tool that permits you to see the keyword popularity in several countries.
Once you recognize during which region/country, your target keyword is popular, you’ll use other keyword research tools, to live the keyword search volume. Overall, as a free keyword tool, this could be a part of your keyword strategy.

My recommendations for keyword research tools:
If you’re trying to find a simple, yet an excellent solution, choose SEMRush.
If you’re researching keywords for micro-niche sites, use KWFinder.
Whatever you select, use these tools to supercharge your SEO.

Are you using one among the keyword research tools from the above list? How has your experience been so far? Share your thoughts within the comments!

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