TOP 9 free keyword research tools to help implement effective SEO

Keyword research is the most important step in any SEO campaign. The advent of keyword search tools has made it easier to own a complete set of keywords. Besides familiar powerful paid keyword research tools such as Ahrefs, Semrush,… In this article, Adsmo will share with you TOP 9 free keyword search tools, the most popular and easy to use that small businesses with limited marketing budgets cannot ignore.

Let’s learn about 9 free keyword research tools that are good for SEO below and choose the right tool for your business:

1. Google Search Box

Google Search Box is a very familiar keyword suggestion tool, which operates based on Google Autocomplete Suggestions technology (automatically completes commands). To search for keywords, you just need to enter the keyword you want to research and do not press the search button. Google will immediately suggest long-tail keywords related to the main keyword.

2. Google “People Also Ask”

Another equally effective keyword research tool from Google is People Also Ask. The tool provides you with a list of questions that users search for a lot. When you click on any question, the list will immediately add more questions. Now you just need to continue clicking and selecting until you have completed the full list of related questions for your content.

3. Google Trends

For SEOers, Google Trends is a great keyword research tool. Unlike the keyword research tools above, Google Trends doesn’t actually suggest keywords for you to target. Instead, it tells you how interested Google users have been in a particular search topic in the past and present.

Some features you need to pay attention to when researching keywords on Google Trends.

• Compare: You can compare keywords with each other to determine the level of interest of target customers over time.

• Related queries: Google Trends will provide a list of related queries. From there, you will have more ideas to add to your content and marketing strategy.

• Keyword trends by country or worldwide: This data helps you determine the level of interest in keywords/topics by region.

4. Google Keyword Planner

The list of best free keyword research tools would not be complete without Google Keyword Planner. As a tool provided by the “search giant”, Keyword Planner is one of the most accurate and reliable keyword lookup sources for SEOers and advertisers.

To start using Google Keyword Planner, you need to create a Google Ads account. The tool will suggest keywords and specific data for each keyword such as average monthly searches, competition, bid estimates, etc.

5. AnswerThePublic

AnswerThe Public is a great tool for discovering question-based keywords that people are searching for. The free version of AnswerThePublic allows you to research keywords without creating an account. All you have to do is enter your topic, brand or product, select your region, language and click Search.

The results will be displayed as a chart or list and classified according to the following criteria:

• According to the questions (What, When, Where, How,…)

• According to gender from 

• Compare

• Alphabetical

With the free version, you can perform up to 3 searches per day.

6. QuestionDB

QuestionDB is a great keyword research tool for your articles. The results are mainly collected from Q&A websites like Reddit and Quora,… These are all questions that users are interested in that are related to your keywords.

QuestionDB will filter questions by popularity or topic and group them together. You can create content that resonates with your target audience by providing answers to questions they’re asking on Reddit.

With a free account, you’ll get 50 results per search.

7. Ahrefs Keyword Generator

Ahrefs Keyword Generator is a free keyword research tool developed by Ahrefs. If you don’t know, Ahrefs is one of the most powerful and popular SEO optimization tools today. So what’s special about Keyword Generator?

After entering a keyword and selecting a country, the system immediately displays a list of the top 100 keywords including the following parameters:

• Long keyword list
• Keyword difficulty is arranged by being rated on a scale of 1 to 100
• Search Volume
• Result update time

Ahrefs Keyword Generator is often used to identify long-tail keywords and target less competitive phrases. Besides Google, you can also find keywords from other platforms such as Bing, Youtube and Amazon.

8. SEMrush Keyword Magic Tool

SEMrush Keyword Magic Tool is a free keyword research tool provided by the SEO giant – SEMrush. The tool provides users with a rich data source with more than 20 billion keywords from 120 different countries.

With a free account, you will have 10 searches per day with reports including:

• Monthly Search Volume
• Keyword difficulty to rank organically in Google’s top 10
• Competition density between advertisers in their PPC campaigns
• Cost per click (CPC)

In addition, Keyword Magic Tool also has useful sorting features such as:

• Arrange keywords into small groups according to specific topics
• Use smart filters to narrow or broaden your search
• View related keywords by topic, semantics, or similar spellings

9. Keyword Tool Dominator

Keyword Tool Dominator gives you keyword data from major platforms like Google, Youtube, Amazon, Walmart, Bing, Etsy, and eBay. This is considered an outstanding resource for sellers and multi-channel marketers who want to rank high on Google and other search engines.

Keyword Tool Dominator is a fast, easy-to-use tool, but the free version limits users to only 3 searches per day.

The tool also provides frequency data in the form of a graph.

With over 300,000 users, Keyword Tool Dominator is a great tool to discover what your target audience is really searching for and implement them into your SEO and Content strategies.

Keyword research is the foundation for a successful SEO strategy. If you need to use SEO services, please contact Adsmo immediately for specific advice.

See more:

• What is Semantic Search?
• 8 steps to write SEO-standard articles to help boost rankings and traffic to your website