Keyword Research Tools

What's the Best Keyword Research Tools For SEO in 2019?

Utilizing the best keyword research tools for SEO can help you rank higher in Google search results and dominate competition. You will be able to analyze your competitors keywords, strategies and much more. Also, get the best long tail keywords for your website which are less competitive and easier to rank for SEO. We listed the best keyword research tools for 2019.

Best Keyword Research Tools for SEO

Rank Keyword Research ToolsPricingFree TrialReviews (updating)Rating
1SEMrush $99.95/mo7 Days SEMrush Review4.8 out of 5 stars (4.8 / 5)
2Ahrefs $99/mo7 Days for $7Ahrefs Review4.5 out of 5 stars (4.5 / 5)
3LongTail Pro$25/mo7 Days Long Tail Pro Review4.5 out of 5 stars (4.5 / 5)
4KWFinder $29.90/moFree Plan (Limited)KWFinder Review4.4 out of 5 stars (4.4 / 5)
5SERPStat$19/moFree Plan (Limited)SERPStat Review4.2 out of 5 stars (4.2 / 5)
6SpyFu$33/moFree PlanSpyFu Review4 out of 5 stars (4 / 5)
7Google Keyword PlannerFreeFreeGoogle Keyword Planner Review4 out of 5 stars (4 / 5)


SEMRush has the absolute best keyword research tools for SEOSEMrush arms you with crucial data about you and your competitor’s website. Analyze your competitor’s best keywords, ads, strategies, budget, and more. Not only does SEMRush give you the best keywords, it also provides you with the best long tail keywords, which are more valuable for SEO and PPC campaigns as they are less competitive. Why would you compete with others when you can dominate them with SEMRush? SEMrush offers a 7 day free trial.


Ahrefs is a keyword research tool that provides important data about your competitors highest ranking keywords and   indicating how much traffic those keywords are bringing in for them. Ahrefs is the best when it comes to backlink analysis Ahrefs is great for any website or business who is serious about ranking on the first page of Google. They offer a free and paid plan. Try Ahrefs premium plan with a 7 day trial for only $7.

3. Long tail pro

Long Tail Pro is a popular keyword research platform that allows you uncover the best long tail keywords in minutes so you can rank your website higher in Google. Long Tail Pro helps you eliminate all the short tail keywords, therefore increasing your overall search traffic by using keywords that are profitable for your website. Long tail keywords are less competitive and usually easier to rank in the search engines. Long Tail Pro offers a free trial and paid plan for its users.   

4. kwfinder

Kwfinder is another great long tail keyword research tool. Long tail keywords are targeted and more specific than the normal one to two keywords most websites try to rank for. This means that long tail keywords are less competitive so its much easier to rank higher in Google. KWfinder has a free plan (limited) and premium plan. 


Serpstat is a search engine optimization (SEO) platform which provides state of the art marketing tools such as backlink analysis and keyword research. Serpstat offers an free plan and  premium plan  with a 7 day trial. 


SpyFu let’s you “spy” on your competitors and download their most profitable keywords and paid advertisements. is great for small businesses and ecommerce sites to get an edge over their completion. Spyfu offers a free plan (limited) and premium plan.


Google Keyword Planner is one of the best free keyword research tools. It allows you to find the best short keywords (one to two word phases) for your website. With that being said, it does lack major research tools such as checking your competitors most profitable keywords, long tail keywords, PPC ads, budget and other strategies (as you might find with other paid platforms). However, if you’re on a budget and looking for a free way to find the best keywords for your site then Google Keyword Planner can get the job done. 

Our #1 Pick for Best Keyword Research tool for SEO is SEMRUSH! Heres Why:

Organic Research

Discover your competitors’ best keywords and position changes of domains.

Display Advertising

Analyze your competitors display ads

Keyword Research

Find the best keywords and long tail keywords for SEO and PPC campaigns

Domain vs. Domain

See side-by-side domain comparisons for keyword analysis

Advertising Research

Find out your competitors ad copies, strategies, budget and more.


Perform a deep link analysis of your website to improve SEO

Product Listing Ads

Find your PLA competitors and see your competitors best performing ads

Keyword Difficulty

Find keywords with less competition (long tail keywords) and estimate the keywords difficulty ranking in search engines.

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