Best Keyword Research Tool For SEO

The list of keyword research tool listed below is as follows:

  1. LongTailPro
  3. Answer the public (Free)
  4. Google Keyword Planner
  5. Ahrefs
  6. KW finder
  7. Bonus: Google Trends

Keywords are one of the most important parts of SEO. We have already discussed this here.

The basic premise of SEO is keyword research.

Subsequently, other factors such as On-Page Optimization, Writing SEO-Friendly Content, a good UX, content that satisfies user intent and some other factors come into the picture. Once you have it all, you can expect a significant amount of organic traffic from search engines like Google, Bing, Yandex and others.

Many companies invest thousands of dollars to pay for keyword research to obtain such targeted content.

But you do not need to do this. Just follow this guideā€¦

The keywords you choose for your digital marketing efforts are critical to the success of your website’s organic ranking.

Choosing the right keyword is not always easy or intuitive and you need a lot of data to know whether a given keyword will work for you.

If you are completely new to the keyword research tool and the process of keyword research, here are some past guides that will help you understand the basics:

So now you know the basics of keyword research and understand how valuable it can be.

Fortunately, there are many tools available that can help you figure out which keywords are best for your overall web strategy. There are two types of keyword research tools:

  1. Basic Keyword Research: Use Seed Keywords to Find Profitable Keyword.
  2. Competitor-Based Keyword Research – Find proven keywords that help other sites drive traffic.

Personally, I find competitive-based keyword research to be more effective because the purpose of keyword research is to find profitable keywords. What could be more profitable than someone who is already working for someone?

After this, all you have to do is to create a page that targets profitable keywords and takes advantage of keyword research.

In this particular guide, I have covered both types of keywords. Most of these keyword research tool are paid, and only some of them are free.

Best Keyword Research Tool: 2021

1. LongTailPro <$30 Discount>

LongTailPro is a cloud-based software for keyword research and is one of the most popular on this list.

LongTailPro Most Popular Keyword Research Tool

It is a paid keyword research tool that will help you find amazing keywords for your niche / micro-niche sites. With their “platinum” version, you can get a really amazing and really detailed keyword analysis feature.

They also have a competition checker, which will make it easy for you to choose the right keywords.

2. SEMRUSH <14-Day Free Trial (Price $ 199)>

“What’s the easiest keyword research tool for a blogger?”



SEMRUSH is not a general keyword research tool; It offers much more than just researching keywords.

This allows you to do keyword research in several ways:

For Example:

  • Search for keywords using a seed keyword
  • Find keywords that drive traffic to your competitors
  • Keyword Gap Analysis
The simplest one I find is being able to find keywords based on URLs. You just have to add a URL (or your competitor’s URL) and it will show you all the keywords that are ranking for that page or the entire website.

With keyword data, you are seeing monthly search volume, keyword difficulty, CPC for PPC.

SEMRUSH Keyword Monthly Search Volume
SEMRUSH Keyword Monthly Search Volume

Keyword suggestions are another useful feature of SEMRush, where “keyword variations” and “related keywords” are indicated. This helps you find more search terms that you can target.

SEMRUSH Keyword Suggestions
SEMRUSH Keyword Suggestions

This makes it easier for you to find short-tail and long-tail keywords, allowing you to target and beat your competition.

You can get in-depth keyword data such as:

  • Keyword Traffic Volume
  • Keyword difficulty score
  • Search engine report
  • Adsense CPC
  • And a lot of other details that you need to do keyword research properly.

You also have the option to sort the keyword list based on the keyword difficulty score, this helps you find keywords with less competition, and with one click you can add them to the keyword manager.

SEMRUSH Low Competition Keywords
SEMRUSH Low Competition Keywords

It also provides features like:

  • Keyword Manager: This allows you to add keywords to a list and see updated data. It helps in managing keywords better when you are researching for profitable keywords.
  • Keyword Difficulty Tool: To check keyword difficulty score.
  • Backlink Analysis: It also recommends the exact websites from which you should get backlinks to rank # 1 in Google searchBacklink Analysis: It also recommends the exact websites from which you should get backlinks to rank # 1 in Google search.

SEMrush is highly recommended and the # 1 keyword research tool.

3. Answer The Public (Free Keyword research tool)

For anyone looking for a free keyword research tool, North is a great place for the public. This keyword tool will let you search for long-tailed keywords based on your seed keyword.

Answer The Public Free Keyword Research Tool
Answer The Public Free Keyword Research Tool

You will be able to see keywords in various formats:

  • Questions
  • Preposition
  • ComparisonsComparisons

With the free plan, you can search 3 keywords every day, which is good for someone who is looking for a free option. You also have the option to choose the country and language for your searches.

What it lacks is keyword volume, and while it is not very important to you at the moment, “Answer The Public” is for you.

4. Google Keyword Planner <Free>

The Google Keyword Planner Tool is one of the most used and popular keyword research tools out there.

Google Keyword Planner Tool
Google Keyword Planner Tool

The only reason it is popular is that it is free and directly integrated with Google AdWords.

To start using this tool, you must have an AdWords account (which you can create for free).

  • Features: The biggest feature of the Keyword Planner tool is the deep information provided on Google (the largest search engine).
  • Limitations: In some ways, this is also a limit. If you want to know how your site or a given keyword is doing on other search engines, you will not get it here.
  • Pricing: Free to use.

The Keyword Planner Tool is a good, basic tool for the initial stages of website SEO.

This is my favorite free tool, but if you need more detailed and competitive analysis, I would recommend going for one of the advanced tools below.

5. Ahrefs Keyword Explorer Tool

Ahrefs is one of the most popular keyword tools out there.

What I really like about them is the detailed description, including keyword difficulty. Ahrefs also uses clickstream data to show how many clicks you will get from search engines. You can use keyword generator tools to generate ideas for Google, Bing, Amazon, YouTube and some other search engines.

This is very useful after knowledge graph integration because many keywords can have heavy traffic, but they rarely get any clicks from search engines. The reason, they get direct answers from Google search results. An example of such a question is: “date of birth of any celebrity”

Aherfs Keyword Research Tool
Aherfs Keyword Research Tool

Another thing that makes Aherfs keyword research tools is the great UI and the amount of data they provide. Many more features have been introduced by Ahrefs such as Backlink Analysis, SEO Site Audit to name a few. You can read Aherfo’s detailed review here.

You can also create a list of keywords to target directly from the Ahrefs dashboard. You do not need to use Excel and this is a huge saving.

6. KW finder

If you are looking for a tool that is solely dedicated to keyword research, then KWFinder is your best bet. They are new in the market yet they are one of the fastest-growing SEO tools companies.

KWFinder Keyword Research Tool
KWFinder Keyword Research Tool

KWFinder helps you to get keywords that will help you drive highly targeted traffic. Using the keyword-based research option, you can find long-term keywords related to problem-solving. This is a mindless person who helps us get more targeted traffic and conversions by problem-solving content.

KWFinder offers both free and paid plans. For most users, the basic plan is the best.

KWFinder Low Competition Keyword
KWFinder Low Competition Keyword

However, use the 10-day free trial account to see the effectiveness of the KWFinder keyword research app.

Google Trend is a free keyword research tool that provides a great amount of data directly from Google. You can rely on all the information such as the popularity of keywords, interest by region, related queries.

Google Trends Free Keyword Research Tool
Google Trends Free Keyword Research Tool

You can also compare two or more search queries to see the traffic trend. This is the only tool that lets you see the popularity of keywords in different countries.

Once you know in which region/country, your target keyword is popular, you can use other keyword research tools to measure keyword search volume. Overall, as a free keyword tool, it should be part of your keyword strategy.

Frequently Asked Questions

What is the best free keyword research tool?

The best keyword research free tool is the intelligent Google Sheet that I developed. You can download the 100% free from my blog and they will automatically find the right keywords with low competition levels and high search versions.

What tools do you use for keyword research?

There are lots of great keyword tools to choose from, like Ahrefs, SEMRush and Long Tail Pro. Truth be told, any of these tools would be suitable for you, but personally, I use my own intelligent Google Sheet that you can download for free.

Is the Google Keyword Tool-free?

Yes, Google Keyword Planner is free as part of Google AdWords. Just sign up and create a campaign to start using it. However, it lacks important features like difficulty score nor does it present any information about how much SEO you need to complete, so I don’t use it to search SEO keywords.

How can I get my competitor’s keywords for free?

You can either take advantage of SEMRush and Ahrefs tests or use Google’s Keyword Planner.

With Google Keyword Planner, all you need to do is enter your competitor’s website URL and Google will scan the page to see potential keywords. This is different from SEMRush or Ahrefs which will return the actual keyword you currently ranked.


  • If you are looking for an easy, yet a great solution, then go for SEMRUSH.
  • If you are researching keywords for micro-niche sites, use KWFinder

Whatever you choose, use these tools to supercharge your SEO.

Are you using one of the keyword research tools listed above? How has your experience been so far? Share your thoughts in the comments!

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Hi, I'm, Govind Srivastav Founder of JetBlogging. A Professional Blogger, YouTuber, SEO Expert. Love to help people with my advanced skills to earn living online. You will learn Blogging, SEO & Digital Marketing on this blog.

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