Free Keyword Research Tools – the Ultimate Guide

I have done many posts on keyword research at Search Engine Journal and figured it’s time to compile all the keyword research tools into one post for further reference.

1. Start with general reference sources and dictionaries.

Here are just a few of them, for more please refer to the original post: Keyword Research : Where to Start?

The free dictionaryWord definition(s), set phrases/ idioms (use them to lighten up your writing style), examples of usage. Words of the same root (inflected words and derivations), thesaurus, classic literature mentions, keyword phrases, related acronyms.
Synonym.comWord synonyms and antonyms.
Meta GlossaryWord definitions, related words and synonyms.
Reference.comYour core term synonyms and definitions.

2. Investigate your competitors’ keywords.

3. Use social media sites to analyze which words real people are using to tag your industry related content:

Features/ToolsTwitter related terms Facebook Lexicon
Data sourceTwitterDel.icio.usFacebook
How to use it.See your term in live context.See your term related tags.See how often your term is mentioned across FB walls.

Use more Twitter keyword research tools that allow to investigate hot trends and any term popularity:

  • Twit Scoop will search for any term, trend its popularity in the form of a graph and display the list of recent related discussions.
  • SiteVolume compares up to 5 terms buzz over at Twitter (and also Digg, Myspace, Youtube and Flickr) – the results are pulled from Google [site:] search.

4. Search blogs and news articles for more keyword ideas. Check out your niche meme trackers.

5. Use free keyword suggestion tools:

6. Check out keyword brainstorming tools (term clustering and related terms):

Tools/FeaturesWhat you will find there
Google SetsRelated terms (i.e. terms that are likely to appear in lists).
MSN clustering toolWord clusters (keyword phrases).
SearchradarTag clouds and keyword definitions.
Keyword MapRelated terms (synonyms and keyword phrases).
Urban DictionaryRelated terms (related synonyms and urban words).

7. Use your internal analytics reports to get an idea of your visitors’ preferences: here is a huge collection of Google Analytics advanced tips that can help you to do that.

8. More keyword related tools and resources:

Ann Smarty
Ann Smarty is the blogger and community manager at Internet Marketing Ninjas. Ann's expertise in blogging and tools serve as a base for her writing, tutorials and her guest blogging project,
Ann Smarty

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23 thoughts on “Free Keyword Research Tools – the Ultimate Guide

  1. Hi! Nice article.
    Check out also this tool:
    Google Suggest Scraper
    I’st easy:
    – Write your query in the query box
    – Choose your language
    – Click the suggest button
    – GSS will give you a list of keyword suggested by Google with the option to download them in a CSV file
    – Click on any keyword to see other related terms

  2. Great list of tools Ann. We have used quite a few of them, but there are also some hidden gems in your list. I had never heard of or used Twit Scoop before, so thanks for that gem. We developed our own keywords tool to use in-house which is now offered free on our company site. Thought your readers may be interested in trying it out. We encourage feedback so let us know if you think changes can be made. Thanks.

    (Note: the link above is reported to have viruses.)

  3. After finding and reading your great se0-tools post, now I am delighted with more keyword research tools also.
    I love to do keyword research, but I have some challenge in determining what keywords would be typed into Google by people who would possibly be interested in creating unconditional freedom from unwanted conditions in life, which is my passion as can be seen on my myspace page