I have reviewed dozens of free SEO tools and came up with a list of the top 10 free  SEO tools that are essential for anyone trying to boost their website’s traffic or keyword ranking on Google. These SEO tools are compiled from various authentic and reliable sources and they are all free. Some of them may also be available in a premium version.

So, below are my top 10 Free SEO Tools.

10. WordStream

“Developing the right list of keywords remains a staple of SEO, …. Because the keyword selection has such a profound impact on the overall performance of a website, the keyword selection process shouldn’t rely on a single tool.

The Wordstream Free Keyword  Tool offers thousands of keyword ideas from a huge database of more than a trillion unique searches. This tool outperforms some of the paid alternatives in the market.”

– 21  Best FREE SEO Tools for On-Page Optimization

9. SEO Quake Toolbar

“SEO Quake shows data on traffic, links, social shares, on-page keyword optimization and more. The SEO Quake website has lots of helpful tips on what to do with all this data.” – My  15 Favorite Free SEO Tools (2015) | LunaMetrics

8. MOZ

“Free Moz Tools – Try the best free tools for link building and analysis, keyword research, webpage performance, Twitter analytics, local listing audits, and more!” – Free MOZ Tools

7.  SEO Book

“We offer a wide array of free and paid SEO tools to SEO professionals and DIY webmasters. Below you will find some of our most popular SEO tools sorted by category:” – SEO Book

1. Free  Firefox Extensions
2. Free  Web-based SEO Tools
3. Premium  Firefox Extensions
4. Premium  Web-based SEO Tools
5. Listings of  additional SEO tools by category

6. Web Developer Toolbar

“The Web Developer extension adds various web developer tools to the browser.” –    Web  Developer :: Add-ons for Firefox

5. Hootsuite

“Hootsuite lets you do more with social media” – Hootsuite 

4. Small SEO Tools

“Small SEO Tools is one of the biggest free SEO tools provider. All tools are of premium quality and totally free. ” – . Small SEO Tools

3. Google Trends

“Google Trends is an online search  tool that allows the user to see how often specific keywords, subjects and phrases have been queried over a specific period of time. ” –  Definition from WhatIs.com

Visit:  Google Trends  

2.Google Keyword Planner

“Google’s Keyword Planner, the tool formerly known as Adwords Keyword Tool, lets you pull monthly Google search query volume estimates for dozens of keywords in seconds. I can never understate the importance of knowing what people search for.” –  My 15 Favorite Free SEO Tools

Visit : Google Keyword Planner 

1. Google Analytics

“Get the data you need to make intelligent marketing and business decisions with Google Analytics. Available for websites, apps, and enterprise businesses.” – Google Analytics