Best Keyword Research Tools in 2019

12:21 AM March 17, 2019

SEO is an essential part of content creation, so the best keyword research tools are needed to maximize your search marketing; here’s our list of the best research tools in 2019, a handy guide for the aspiring digital marketer.

The best keyword research techniques and keyword difficulty analysis, it can be daunting to determine which one to use, as there are many service providers that claim to do the same things. Do they deliver? To answer that question, we’ve tested and compared the best keyword research tools available on the market. Here is what we have discovered, Google keyword planner and Google AdWords offer a good insight on target keywords that are not enough to keep up with the high demand in content marketing.


First of all, if you’re an online content creator, you know how important of a task keyword research is. It is a vital step in the search marketing field when it comes to pinpointing areas for Search Engine Optimization, known as SEO, and also getting to know your customers better.

The activity is made easier by the best keyword research tools, as they give you the essential information you are looking for, whether it is keyword suggestions ranging all the way to data filtering. There are also tools that provide data on search volume trends, keyword difficulty, and SERP (Search Engine Results Page) analysis.

Without further ado, below are the conclusions we have drawn based on the best keyword research tools ranked from lowest to highest, plus our reasons behind the analysis.

Long Tail Pro

Long Tail Pro

Long Tail Pro is a keyword research tool that helps you quickly find low competition organic keywords for your online content, particularly SEO. It’s been around since 2011 and is still doing great, so it lands fifth place in our list of the best keyword research tool for 2019.

It does the job pretty well. You obtain access to keyword suggestions in bulk. However, we think that the limit on manual keywords could be higher, along with the limit on seed keyword.

The keyword competitiveness score is brilliant. This is because it will tell you how difficult it will be to rank in Google between 0 and 100.  Moreover, the rank tracker is completely easy to use, integrates seamlessly into your browser, and provides top-notch data.

On the other hand, it doesn’t provide search volume trend data, but it does have quite a few filtering options. It can be a bit slow and clunky, but the underlying performance of Long Tail Pro is worth the expense.

Long Tail Pro Pricing:


Started: $25 per month

Pro: $45 per month

Agency: $98 per month

SEMrush Keyword Magic Tool

SEMrush Keyword Magic Tool

SEMrush is another one of the best keyword research tools that support both traditional keyword data research and competitor-based research methods. It actually caused a stir in the market in its 2008 launch because SEMrush is the first competitor-based SEO tool.

Aside from a good number of keyword suggestions, it also provides you with a great standard trend graph of the past 12 months in decimal scores. The highest search queries volume for the month stands out, which you can easily decide on how to use.

On the downside, their keyword difficulty and SERP analysis are a bit of a problem. SEMrush simply shows you a cached version of Google’s SERP for a given keyword with no additional data about the ranking pages. Also, their keyword difficulty score seems to be inaccurate compared to certain competitors.

However, the SEMrush team does acknowledge these problems and have been making an effort to improve the service.

SEMrush Pricing:

Pro: $99.95 per month

Guru: $199.95 per month

Business: $399.95 per month

Enterprise: You must call or email

Moz Keyword Explorer

Moz Keyword Explorer

Moz has been in the search marketing industry since 2004, but its long tail Keyword Explorer is just fairly new, having launched in 2016. The SEO experts over at Moz have set out to make a well-rounded keyword research tool that automates more of the method while also providing valuable, useful data.

Moz CEO Rand Fishkin says that it “takes you all the way through the keyword research process — from discovering keyword ideas to getting metrics to building a list, filtering the keywords on it, and prioritizing which ones to target based on the numbers that matter.”

Even though filtering selections in a tool from Moz felt rather inadequate, they do offer exclusive semantic filters and grouping functionality. Additionally, to analyze keyword difficulty, Moz uses their page authority and domain authority metrics of the top ten pages standing for a keyword.

The SERP analysis tab is fairly comprehensive – first, you’ll see some top-level stats for the search term including volume, difficulty, opportunity, and potential.

It has a great feature where you can prioritize which keywords to target based on more information than just keyword volume. This gives you an indication of which keywords are actually worth going after because you might be better able to rank for them.

MOZ Pricing

Standard: $99 per month

Medium: $179 per month

Large: $249 per month

Premium: $999 per month

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KW Finder

KW Finder

KW Finder is another best keyword research tool that simplifies the keyword research process in a way that other tools just haven’t managed to do. The tool has three types of keyword ideas: suggestions, autocomplete, and questions. Plus, you’ll have an easy time filtering with KW Finder.

The drawback? Keyword difficulty data isn’t instantaneously accessible for every keyword, except when it has been requested by someone prior.

However, it compensates greatly due to its performance in providing the search volume trend, keyword difficulty, and SERP analysis. Another plus is that KW Finder is one of the cheapest keyword research tools available on the market.

KW Finder Pricing

Basic: $29.90 per month

Premium: $ 39.90 per month

Agency: $79.90 per month

Ahrefs Keywords Explorer

Ahrefs Keywords Explorer

Ahrefs Keywords Explorer is very easy to use and understand. It comes packed with an array of features that allow you to get precise and granular with your searches. Also, it lets you export and utilizes a bunch of different information, giving you the ability to consider a spectrum of data when making business decisions.

What’s more, Ahrefs’ Keyword Generator is driven by clickstream data and updates its database with fresh, trending keywords every month. Ahrefs interface lets you sift through the entire list of keyword suggestions by search volume and keyword difficulty. These two metrics are cached and continually accessible for the full database of keywords.

That’s not all, folks. This is truly the best keyword research tool for 2019, as it provides you with detailed search volume trending data, keyword difficulty, and SERP analysis. It truly includes tons of useful features without succumbing to bloat. It’s also a pretty straightforward tool to use, so can you jump right in and get a lot of benefits right away.

We recommend you research these different best keyword research tools so you can bring your idea to fruition in 2019 and 2020 to come.

Ahrefs Pricing

Lite: $99 per month

Standard: $179 per month

Advanced: $399 per month

Agency: $999 per month


In conclusion, depending on the type of marketing and the niche you are working with there is a wide range of great tools at your disposal. Personally, I love SEMrush, not the cheapest but it suits the needs of my business.

Published March 17, 2019; UPDATED May 20, 2019.

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