Best Keyword Research Tools (Free and Premium)

Do you want to flood your site with organic traffic? Well, the secret to getting targeted organic traffic is using long tail keywords and LSI keywords in your content strategy.In today’s post, I will show you the best tools to perform keyword research and find out the ones that will bring you loads of search traffic.There are dozens of tools that help you to come up with the right keywords that have buyer intent and decent searches per month. In this post, I will introduce some of the best-in-class keyword research tools that help you boost your search traffic.


Best Keyword Research Tools 2018:

1. Google Keyword Planner (Free)

Google keyword planner is a part of the Google adwords. It is the most popular and free keyword research tool out there. Almost any blogger, newbie or seasoned in SEO can use Google keyword planner to find out related keywords along with their search quantity.Get Some Awesome SEO Quotes Here.

Though the GKP was created for the adwords users to search for keywords that they can bid ads for and drive traffic to their sites, you can use it to find tons of related keywords along with their searches per month.

How it works:

To use the GKP, log in with your Google account here.

The next page is where you can enter your seed keyword and customize your filters for the resultant keywords. GKP offers a wide variety of keywords filters like location, language, negative keywords (keywords that you don’t want) etc.

PRO TIP: You can enter URLs of competitors in the landing page tab to view the keywords the web page is ranking for.

2. Keywordtool.io (Free)

Keywordtool.io is what you should be using when you want to get tons of long tail keywords for your seed keywords. This tool gives you keywords based on Google, Bing, Yahoo and apple app store for free. It provides a huge resource of keywords that would otherwise never see the daylight.

How it works:

Keywordtool uses Google’s auto complete and ubersuggest’s letter adding features (more on Ubersuggest in the next point) to pull out such huge keyword variety. Adding alphabets to the beginning and end of your seed keywords gives a natural keyword resource that can be used in your blog posts.
One of the key features of Keywordtool is that it shows you the questions that can be formed using your seed keyword. Thus, you can directly use these questions in creating new blog posts that will give you organic traffic.
Keywordtool is free, but you have to pay (upgrade) to access the search volume, CPC and competition. For beginners, the free version is enough to give you large keyword sets for your keyword research projects.

3. UberSuggest (Free)

Ubersuggest is a basic keyword research tool that gives you more than enough keywords by simply appending letters to the end of your query. This helps you to get access to so many long tail keywords that can be used in your upcoming niche sites or even the main blog.
Ubersuggest has been useful if you have writer’s block too. You can use this tool to get lots of blog posts ideas that will boost your creativity.

How it works:

Ubersuggest works on the principle of Google autosuggest. It appends letters alphabetically to your seed keywords and then finds all the keyword strings that come with the same letter set.
The only reason I said this tool as basic is it gives no idea about the monthly searches or competition of the displayed keywords. You can however, use these keywords in other tools like GKP or long tail pro to find the search volume and competition easily.

4. Serpstat (Paid)

​Keyword research is one of 6 tools that online platform Serpstat offers.
There are a couple of different ways to collect keywords there. What is unusual is that Serpstat shows data from Google search suggestions and from your competitors semantics as well.

How it works:

When you type in a certain keyword, you get up to 500 phrases that match the keyword you are interested in.
Information on each phrase is right here – you can explore keyword difficulty, CPC, competition in PPC and search volume.
If you go to Related keywords, you get a list of words that share identical pages in SERP. There are usually synonyms, misspelled words and there are usually plenty of long-tail keywords.
The most reliable way to collect keywords via Serpstat is by exploring competitors semantics. After you find your competitors for a keyword you target, you also get a list of keywords they rank for.
And super easy way to find keywords you should have added is the tool Missing keywords. You’ll see keywords for which your competitors rank in top 10 and which are not present on your website.
So, if you’ve come up with at least one keyword for you website, you can get matched keywords, search suggestions (with search questions), top pages, and competitors for the this keyword.

5. Ahrefs Keywords Explorer (Premium)

Ahrefs holds the top spot when it comes to keyword diversity and localization.
With 5.1 billion keywords for 200+ countries in its database, it can give you keyword ideas you’d never think of yourself.

How it works:

Just type in your seed keyword and switch between five keyword suggestion algorithms depending on your needs.
Here’s what they reveal:
  • phrases containing your seed keyword as is;
  • phrases that contain terms of your seed key phrase in any order;
  • other keywords that Top 10 pages for your seed keyword also rank for;
  • search queries that Google’s Autocomplete suggests;
  • recently detected phrases with your exact-match seed keyword.
 Every algorithm will give you thousands of ideas for a single seed keyword.
No worries. With a rich set of filters, you can weed out the trash in a few clicks.
For example, set a low search volume, and you’ll see long-tail phrases that rule the show in modern SEO.
Ahrefs keeps competitors’ keyword strategies out in the open. Whether you’re curious about their high-performing keywords or top pages by traffic, you’ll see them all.
You can also detect what keywords your competitors rank for, but you still don’t and fill in the gap.
Just add their domains to the Content Gap report.
Keyword rankings don’t stand still. Enable email alerts to stay tuned for even the minor rise and drop, both of yours and your competitors.

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