Free SEO Tools to Improve Website Growth in 2021

Getting reliable free SEO tools can be challenging sometimes. Of course, SEO is important and when you find a good SEO tool that guarantees result, there is nothing wrong with putting your money on it.

However, getting the tools for free doesn’t seem like a bad idea. Who says the saved money can’t be diverted to other parts of your business?

In this article, you will find the best free SEO tools that would help you grow your website. If this sounds like what you have been looking for, then you should keep reading.

Brian Dean, founder of Backlinko revealed that using these free SEO tools has helped him increase Backlinko monthly visitor to over 299k. You want a similar story yeah? Let’s get started so you see the tools in question and how to use them.

Google’s Mobile-Friendly Test

SEO Marketing Map Mobile-Friendly Test

Google has recently introduced mobile-first indexing. What this means is that Google has made some changes to their search algorithms such that mobile-friendly sites now are at advantage over non-mobile-friendly on the search engine.

This tool, therefore, allows you to check whether your site is mobile-friendly or not.

Using the tool is quite easy. Just visit the Google mobile-friendly test site and enter your website URL. The page would load within seconds and you’d know where you stand.

This tool is absolutely free.

Google Search Console

Google Search Console of a random site

This is another Google product and it’s up there as one of the best free SEO tools you can lay your hands on.

The tool has a lot of amazing features and it gives access to some data you wouldn’t get anywhere else. For instance, Google search console can help you track your site ranking on the search engine result page. In other words, you can monitor as you are climbing or declining in the ranking.

Google Analytics

Google Analytics Demo

Well, you can say it’s Google galore. It would actually be impossible or very difficult to have a successful shot at SEO without the help of Google. So, it makes sense the first three tools are Google products.

Google Analytics is the haven of data. It shows you how people find and interact with your website. You can see patterns and monitor conversions/churn rate.

Also, Google Analytics lets you know whether or not your SEO efforts are generating results.

Specifically, here are some your site data you’d find on Google Analytics

It works best when it’s connected with Google Search Console, and it’s also completely free.

Yoast WordPress Plugin

Yoast is arguably the best SEO plugin for WordPress sites. If your site runs on WordPress, the best time to get Yoast plugin was yesterday, the next best time is now.

Among other features, Yoast plugin has sitemap which allows Google and other search engines to easily crawl your site. Yoast automatically updates your sitemap every time you add a new page with this feature.

The tool is free. However, it has premium version that comes with more advanced features.

Screaming Frog

While you can do your best with on-page SEO and a little less with off-page SEO, technical SEO can be a bit challenging to detect, let alone fix.

This is the point where an SEO checker like Screaming Frog comes to the rescue.

The tool crawls your pages using a crawler like that of Google. It then generates a report of possible issues including issues with javascript rendering, crawl errors, HTTP header errors among others.


No, Uber Suggest has absolutely nothing to do with the ride-hailing service.

Uber Suggest has premium version, but its free version alone contains features you can only find in some premium SEO tools.

To get detailed information on monthly search volume, keyword difficulty, domain authority, cost per click and so on, Uber Suggest is the tool to use.

You also get a list of suggested keywords using the keywords you have typed in (when you decide to check with keywords and not URL).


SEMRush is one those outstanding SEO tools. While it’s got premium version with features you cannot begin to imagine, its free version is great too.

SEMRush helps you find the keywords that are putting your competitors at the top in SERP so you can use them as well.

It has an exceptional feature known as Keyword Magic. This allows you to enter a keyword and get a list of about 78,350 related keywords. That does not only give you keywords ideas to use in your contents, it gives you content ideas as well.


If you are considering going deeper into your website SEO analysis, you are automatically considering using Seobility.

The tool crawls the whole of your site and gives you insight into the SEO issues including blocked pages, slow loading pages, technical SEO issues, sitemap issues among others.

Most of these data you’d only get on premium SEO tools. But guess what – Seobility gives you all of it for free.

Answer The Public

The whole idea behind keyword tool is to find what people are searching for on the search engine so that you can create contents that attempt around them. That’s exactly what Answer the public does – with finesse.

The tool goes as far as pulling data from social media, blogs and forums on what people are talking about. Then it turns them to keywords which you can use in your contents. More than 150 keyword ideas in seconds.


This is an important Google Chrome extension that provides a list of SEO improvement recommendations in seconds.

The first thing the tool does for you is to give you an overall score, after which it would give you recommendations to improve your off-page and on-page SEO.

Its outstanding feature is it does not only stop at pointing out the problems, it also recommends solutions.



Other free tools worthy of mention are

The golden rule is to never depend solely on one tool for SEO. Use these different tools, compare data and make informed decisions to help your website grow. Go on, get started now.

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