Professional or not, nowadays everyone who’s serious about having a strong online presence has to deal with SEO. If you ever dabbled with SEO, you know how expensive all the tools can get. Luckily, there are countless of developers offering great SEO tools for free. Here’s our list of 21 best free SEO tools out there that will help you save time and boost your rankings.
#1 Yoast SEO Plugin for WordPress
If you have any connection to digital marketing or SEO, you knew this one was coming. Though not without flaws, there’s a reason why this is among the most popular and widely used WordPress plugins. While it can’t handle all of your SEO activities, as some like to think, this plugin will still supercharge your SEO and offer tons of utility, both for total beginners and experts.
From beginner’s perspective, being able to handle robots.txt or sitemaps without any coding knowledge required, is a huge plus. Even if you’re manually tweaking most of your stuff, there are tons of features that come in handy and save a lot of time. The only potential problem we see with Yoast is that it gives an illusion that it can take care of whole SEO for you which can trick a lot of people. It doesn’t. It’s a powerful tool, but it’s not the only tool you’ll ever need.
#2 SEOQuake browser extension
This is, hands down, our favorite browser extension. It shows you relevant traffic data, links, domain strength and various indexes. It can also diagnose the webpage you opened to give you some deeper insights into how it’s set up and what can be improved. Keyword density feature also comes in handy. All in all, we can’t recommend this enough. Just make sure to disable the plugin when you’re not using it, as it eats up a lot of your memory. (Chrome / Firefox)
#3 Google Analytics
If you have any knowledge of SEO and digital marketing, this is pretty much self-explanatory. Google Analytics is the best web analytics tool out there with so many functionalities that will make you head explode. This is a must have for anyone who’s serious about doing anything Internet-related.
#4 Screaming Frog
Quite possibly the best SEO website crawler out there, Screaming Frog allows you to crawl any URL and extract critical information from them. Screaming Frog allows you to find broken links and server errors. It can generate XML Sitemaps for you, discover duplicate content, review robots.txt and many more. Truly a tool worth having and using.
Another extremely powerful and versatile SEO browser extension, MozBar lets you do quick custom searches, highlight keywords and differentiate links and displays all the relevant metrics you could want. Use it in conjecture with SEOQuake extension and you can conduct a high-quality SEO analysis of any webpage in just a few clicks.
A neat and useful little tool, run directly from the browser. Just enter the link you want to analyze and BrowSEO will display the webpage without any distractions caused by styles and highlight some of the most important SEO information, showing you how search engine spiders see your website. You can also highlight various links on the page. A good tool to use if the website you’re analyzing is big or style-heavy.
#7 Google Keyword Planner
Hands down the best free keyword research tool out there. Fast and simple to use, GKP will give you detailed insights in what keywords you should use. Bear in mind that GKP is at its best when you want to do a keyword research for your Adwords campaign and for general SEO purposes you should use it together with other tools.
Another great free tool to quickly find loads of new keywords. Fast and easy to use. Not much to say here.
Although not the most powerful tool out there, Soovle is a neat little tool that simultaneously gives you keyword suggestions for various search engines.
#10 Google Trends
Google Trends is a must-use tool for anyone who is even remotely serious about Search Engine Optimization. It allows you to quickly check how certain keywords are doing on Google over time and it can even give you predictions for the future if there’s enough data and it’s not too volatile. A great tool to use if you want to discover how online markets are trending and if it’s worth putting effort in promoting the keywords you have chosen. Even though it’s a fairly known tool, we still can’t shake off the feeling that it’s one of the most underused tools out there.
A website that allows you to search for duplicate content. Just copy paste the link you want checked and Copyscape will let you know if there’s any duplicate content.
#12 Google Search Console
Another incredible tool from Google, except for this one being terribly underrated and underused. Google Search Console allows you to check your websites an helps you understand just what the hell is going on with your website. It’s a perfect complement to the almighty Google Analytics. GSC allows you to “communicate” with Google and check the crawlers, sitemaps, indexing, keywords and many, many more. If you plan on improving your Google rankings, the Search Console is absolutely a must.
Another great tool for generating keyword ideas. Especially good when it comes to generating long tail keywords.
Though the free version is not as good as it used to be and the tool in general has slightly been falling behind, Majestic SEO is still a great tool for analyzing backlinks and seeing how websites improve over time.
A neat little broken link checker extension for Chrome. A perfect tool for finding broken links, whether you’re looking to replace your own links or you’re looking for broken links and back-link opportunities. It displays how many inbound and outbound link a page has which really comes in handy.
#16 Google PageSpeed Insights
The speed of your website plays a huge role in its search engine ranking. Having a fast website is a requirement nowadays and it’s important that you keep Google happy and satisfied. This tool allows you to see how you’re faring in that department.
#17 Woorank’s SEO & Website Analysis
Similar to couple of other tools mentioned in this article, Wooranks’ SEO & Website Analysis is a neat extension that offers deep and high quality SEO reports. As far as free SEO diagnose tools goes, this is among the very best extensions and we can’t recommend it enough as it’ll give you more than enough relevant data.
#18 Panguin Tool
Great tool that analyzes websites and checks for possible issues that can influence SEO, especially issues that are problematic from the standpoint of Google’s Panda and Penguin updates.
#19 Bing Webmaster Tools
True, Google is the king, but Bing still has millions of users worldwide. If Bing is important to you, Bing Webmaster Tools is the number one SEO tool you should use.
#20 MOZ’s Google Algorithm Change History
Although not a tool in a strict sense of the word, MOZ has a fantastic collection and explanation of Google’s algorithm updates throughout the years.
#21 Analytics Referrer / Ghost Spam Blocker
This handy tool, when linked to your Google Analytics account, helps you to filter out 644 known spammy referrer domains from your account.