Best Free Keyword Research Tools 2021

Best Free Keyword Research Tools 2021


Effectively SEO your website organically or using Google Ads is an art in itself. Finding the keywords or phrases that are likely to be most relevant to you is the most critical step.5 best free keyword research tools By properly analyzing your industry, you will be able to optimize your search engine positioning and acquire new customers. If you target the wrong keywords, your campaigns and content will be completely useless.

Best-Free-Keyword-Research-Tools

A keyword is a "phrase" used by users when searching on a search engine. Every time they make a query on Google, it shows the best results among the indexed pages (a page stored in a search engine's databases after being crawled by crawlers). A "keyword" can be one or more words (eg: travel, best places to visit, women's pants, etc.

It's not easy to make a list of good keywords, so here is a list of the Best Free Keyword Research Tools to find them: keywords

1. Google Keyword Planner

The best known and one of the most successful, Google Keyword Planner, is Google Ads’s free keyword planning tool.

The tool allows you to see the search volume of targeted keywords, suggested bid estimates for each keyword, new keywords associated with your business, and how competitive a keyword is.

All you have to do is enter a query, and Google Keyword Planner suggests ideas for relevant keywords.

2. UberSuggest

UberSuggest is a free keyword research tool. Very easy to use, this tool gives you valuable information:
Keyword suggestions and long-tail queries;
Search volume, competition, and trends in those queries;
Content ideas.

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Suggestions for keywords for YouTube, Google Images, Shopping and News;

A report that keeps you up to date with which pages rank highest in SEO or which pages are ranking on popular queries, etc.

3. SEMrush

This platform offers a fairly comprehensive set of tools. Whether for natural referencing or for paid traffic campaigns, SEMrush compares your positioning with that of your competitors. It allows, among other things, to analyze the keywords existing in a page and the inbound links, to research keywords, to optimize your content, to audit your site, to have a list of competitors positioned on keywords similar to yours, etc.

This tool gives you an overview of an effective SEO strategy and allows you to better understand the strategy of your competitors.

4. Keyword In

Keyword In generates long-tail keywords (minimum 3-word query) for free. The more a keyword is searched, the more competitive it is and the more difficult it is to position on it. It is therefore sometimes necessary to favor long-tail keywords to increase your conversion rate.

All you have to do is enter the keywords or queries that you want to position, and the platform offers you a list of long-tail keywords relevant to your service offering or your products.

5. AnswerThePublic

It is a free tool that suggests to you the search intentions of Internet users relating to a keyword. That is, the response a user wants to see when entering a certain query on Google. In short, it identifies the issues related to a word or an expression. AnswerThePublic is very useful for content creators; a great source of inspiration to meet a particular need in your industry.

When starting out with keyword research, you should ask yourself the following questions: What are my target customers looking for? What does she want to know about my product or service? Does my content meet a need? Does it offer a solution? Is it more relevant than that of my competitors?


In short, knowing your target is essential to choose the right keywords. Conversion tunnel tunnel-conversion-keywords Besides, you also need to have a good understanding of the buying cycle of your potential customers. Depending on what stage your customer is at, you won't be offering the same content for that stage.

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At the top of the conversion funnel: keywords related to more informative content. In the middle of the conversion funnel: keywords related to the search for solutions or comparisons. At the bottom of the conversion funnel: keywords related to high intentions to buy or the service offered.

Each SEO campaign should be done according to your goals so by separating them in this way you can better optimize your content. To learn more about Google Ads (AdWords) and how this advertising platform works, we wrote an article on the subject, right here.

Cactus Numérique is a digital marketing agency specializing in web marketing, real estate marketing, and HR marketing. With several years of digital experience, together we develop ambitious strategies to unleash the full potential of your business. If you need our seasoned team to take care of your Google Ads or SEO management, don't hesitate to contact us now for a free consultation.


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