Search Engine Optimization: Online Keyword Suggestion Tools


Here’s the truth:

Doing keyword research for search engine optimization is crucial for getting a your website to rank higher. But what does keyword research actually mean?

Basically, it means trying to guess which keywords and combination of keywords will attract the most traffic. Since guessing is not a science and SEO is, let’s take a look at how to do keyword research like a PRO for free.

In this list, I’ve gathered the best online keyword suggestion tools that you can use for free.

  1. Ubbersuggest
  2. Google Correlate
  3. KWFinder
  4. AnswerThePublic - Search Intent Tool
  5. Keywords Everywhere keyword research tool
  6. Keyword.io - Google Autocomplete Longtail Keyword Tool
  7. Google AdWords > Keyword Planner Tool
  8. Google Correlate

Basically they are Google keyword volume checker tools. Using them you will be able to find the best keywords for your posts and improve your Google ranking in the search results.

So, which is the best free keyword suggestion tool for your website? I will let you decide.

1. Ubbersuggest (Neil Patel)

ubersuggest keyword research

Ubbersuggest is an amazing online keyword tool.

Neil Patel (one of my favorite SEO gurus) has purchased this tool a while back and placed it on his site. You can use the tool for free. This free online keyword suggestion tool allows you to do keyword research without even logging in.

What can I say, it’s simply the best.

Rumour has it that Neil Patel is preparing a huge blow to the online keyword suggestion tools and SEO tools in general. Neil is preparing to create a full suite of free online SEO tools. Since none of the big players on this market has clearly been set as a leader, and the top tools are now extremly expensive (starting at around 199$/month), Neil’s move can potentially be a game changer in the world of SEO online tools.

Virtually, he can take over the entire market in one move. But, until then, let’s take a look at Ubbersuggest.

How does Ubersuggest work?

You key in a keyword or phrase that you want to use, and the tool will suggest (or ubersuggest) alternative keyword ideas.

Not only that, but it will also give you some info regarding:

  • Estimated Search Volume
  • CPC (Cost Per Click in Google AdWords)
  • Competitive Level

Apparently, the results are compiled combination Google Keyword Planner and Google suggested keywords.

ubersuggest results

You can export the results in CSV and start choosing your focus keywords that will work best for you.

ubersuggest keyword research

LSI Graph is a LSI keyword tool.

What Does LSI Keywords Mean?

Latent semantic indexing (LSI) is a system search engines use to analyze the other words people use surrounding a given topic. LSI keywords are words and phrases with a high degree of correlation to your target topic.

In short, if you look at the end of Google search results page “Searches related to” that’s what LSI is. LSI keywords are keywords in the same family as the the topic of the keyword you input. That is determined by what other people search for in relation to their initial search.

LSI Graph takes in a keyword and provides a list of related keywords.

Here’s how the results look like

LSI keyword tool LSIGraph

3. KWFinder - Find Long Tail Keywords

KWFinder

KWFinder is a nifty SEO tool for long tail keywords research.

It provides quite an extensive report showing:

  • Estimated Search Volume
  • Search Volume Trend (last 12 months)
  • CPC (Cost Per Click in Google AdWords)
  • SEO Difficulty Index
  • Detailed Overview Of The Competition (including domain and page authority, number of inbound links, SERP)

Here’s how the results look like

KWFinder Analysis Result

4. AnswerThePublic - Search Intent Tool

AnswerThePublic Search Intent Tool

AnswerThePublic is probably one of my favorites. It shows keyword suggestions in the form of questions. This gives a great indication on not only which topics you should cover in an article about something, but also real keywords that you should probably use in your titles or Hx tags.

Here’s how the results look like

AnswerThePublic Results Search Intent Tool

5. Keywords Everywhere - Chrome Extension Keyword Research Tool

Keywords Everywhere keyword research tool

Keywords Everywhere is a Chrome and Firefox extension that will show keyword traffic, CPC and competition right in the browser when you do a search.

The websites that are supported by Keywords Everywhere :

  1. Google.com - the data is shown right under the search textbox
  2. Google Search Console - the data is shown in the Search Analytics page
  3. Google Analytics - data shown in the Organic and Search Engine Optimization -> Queries pages
  4. Google Trends - data shown in the queries widget
  5. Google Keyword Planner - data shown in a new column
  6. Google Search - data shown under main keyword as well as related searches
  7. YouTube - data shown under the searchbox
  8. Amazon - data shown under the searchbox
  9. eBay - data shown under the searchbox
  10. Etsy - data shown under the searchbox
  11. UberSuggest - data shown alongside keywords in this awesome keyword suggestion tool
  12. AnswerThePublic.com - data shown in popup on each spoke of the wheel, data also shown in the alphabetic listings
  13. Soovle.com - data shown next to each keyword all over the page
  14. KeywordShitter.com - data shown under the main text area next to keywords
  15. Majestic - Anchor Text Report
  16. Moz Open Site Explorer - Anchor Text Report

When you do a search on Google for seo tips, here’s how the results look like:

Keywords Everywhere sample results

6. Keyword.io - Google Autocomplete Longtail Keyword Tool

Keyword.io keyword research tool

Keyword.io is a keyword research tool that grabs autocomplete keywords from sources like Google autocomplete, Amazon autocomplete, Ebay autocomplete, but also other sources like: Bing, Yandex, Wikipedia, Alibaba, YouTube, Fiverr, Google Play Store, Fotolia, Pond5, etc.

Let’s see an example.

When you research keywords for car insurance, you’ll certainly not want to miss keywords like auto policy limits, young drivers or hail damage for content and marketing ideas.

Keyword.io related keyword tool finds thousands of those for you, including search volume, Adwords prices and competition.

Here’s how the results look like:

Keyword.io Google Autocomplete Longtail Keyword Tool

7. Google AdWords > Keyword Planner - Use Google For Keyword Research

Google AdWords

Google AdWords > Keyword Planner Tool is probably one of the best known tool for keyword research. I left it at the end especially because it’s so well known.

Google AdWords is mainly for creating Google ads, not doing SEO or keyword research. That said, there is a strong overlap between keywords advertisers are focusing and what people are searching.

Because of that, this is considered the main Google keyword volume checker. The Google AdWords Keyword Research Tool will give you an insight into Google search terms right from the source.

The way to use it has changed several times during the last 10 years. I’m describing how Google AdWords Keyword Planner Tool looks like in 2018 and how to use it.

To open Google AdWords Keyword Planner simply go to the Keyword Planner in the Tools menu:

Open Google Keyword Planner Tool

Then, you will see 2 options:

  • Find Keywords - this is actually the way to get keywords suggestion similar to your focus keywords. This is pretty similar to results offered by other SEO research tools.
  • Get Search Volume & Forecast - the keyword volume checker is given as an interval, which is not very exact. This doesn’t make Google AdWords the best kewyword research tool, but you can get a pretty good idea on the search volume.

Open Google Keyword Planner Tool

Google AdWords > Keyword Planner > Find Keywords

Simply key in your chosen keywords and the tool will suggest similar keywords. Here’s a sample of how that looks like:

Open Google Keyword Planner Tool

Google AdWords > Keyword Planner > Get Search Volume & Forecast

Here’s how the tool provides insight regarding search volume and competition on the selected keywords.

Open Google Keyword Planner Tool

8. Google Correlate

Google Correlate is a less known tool from Google. It does statistic correlations between keywords searched.

Key in a keyword combination and the tool will give you other combinations that the same user will be most likely to search for.

Here’s how the results look like

Google Correlate keywords tool

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