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free SEO tools 


In this post I will present free SEO tools that will be helpful when analyzing the website in terms of optimization for search engines.

If you didn’t read yet, check please mine article about Marketing strategy, could help you a lot understand what for you need such tools.

The list is partly based on the tools used by our agency, which is why I think that some of you can also make life easier and speed up the process of advertising your web-based trainings.

All SEO tools on the list are free or have free (usually limited) versions.

Online tools analyzing the website for SEO


This free auditing tool will help you to get an instant report about critical errors on your own website within just seconds, and you will also get recommendations about what to do in order to improve search rankings.

An online tool that allows you to conduct a simple home page audit. In addition to SEO elements, it also analyzes user convenience, page usability, visibility in social media, and security issues.


Like the previous tool, it allows the website to be analyzed for SEO, display on mobile devices and usability. In addition, it evaluates the website in terms of the technologies used, reverse links and traffic. Most functions are available after activating a free 14-day trial period.

the uniqueness of content


Siteliner checks the duplication of content within the site and allows you to create a report containing duplicated words, their percentage share, and addresses containing duplicate content. The free report is based on 250 most important subpages and thanks to it we can easily catch malicious duplication of content.


The Copyscape tool checks whether the content on the indicated subpage is unique within the Internet. The report shows the addresses of the pages that contain the same parts of the text.


The tool allows you to check the internal and external duplication of content. Like Copyscape, it shows URLs that have a problem with the uniqueness of content. To fully use the tool, you must register a free account.


Plagiarism checker from Small Seo Tools is another free tool that allows you to verify the uniqueness of the text. Unfortunately, in the free report, it does not indicate the addresses on which the content appears.


A separate article should be written about Google Search Console (formerly Google Webmaster Tools). The tool is a mine of knowledge that allows you to track data and analyze the site for visibility on Google. This is an absolute muster for anyone who cares about visibility in organic results.


The tool evaluates the speed of website loading on mobile devices and desktops in a scale from 0 to 100. In the report, we get suggestions on what should be and what to improve to reduce the load time of the site.


The Structured Data Testing Tool allows you to check the implementation of structured data that will make your website stand out in search results.


A comprehensive tool for analyzing marketing activities. With Google Analytics, you can check, for example, how users behaved on the page, which traffic channel converts best, or which product best sold to users coming from natural search results.


The mobile optimization test checks the site for proper display on mobile devices. The summary report includes tips on which elements should be improved to become mobile friendly.


Submit URL is a free tool for indexing new pages / subpages on Google. After reporting, the page is visible in the index after a few seconds.


Disavow Tool is used to disavow the incoming links to our website. If you notice declines in traffic, visibility or positions, then it is worth being interested in this tool.


A tool for analyzing trends in the search engine, thanks to it we get the opportunity to check how the popularity of a given phrase changes, or check threads that are gaining popularity in a given region.


The report allows you to check whether our site is safe in the eyes of Google. This is important because of the warning messages that are displayed in the browser and browsers. Sites marked as dangerous are rarely visited by users.

Tools for ANALYSING the speed of page loading


Pingdom is a free tool, which after the test generates a list of loaded files along with the evaluation of download speed from the server (loading). As in the case of PSI, we get a list of elements that should be improved.


GTmetrix is another tool for testing site performance. After the test we get a report from two other tools, PageSpeed and YSlow, which are gathered in one place in a transparent way.

Desktop tools that analyze websites


Screaming Frog is a useful tool for analyzing SEO websites. In the free version of the program, we can trawl up to 500 addresses, we have limited possibilities to configure the tool and we can not save the project. In the case of small websites, however, the free version will be sufficient.


Xenu is a free tool for technical analysis of the website. Its main task is to capture damaged internal and external links. When we crawl, we get interesting data, such as the http code returned by the url, the size of the file / page, the meta title or information, how many clicks are needed to reach the address.


WildShark SEO Spider is another crawler used to analyze the site. The functionalities of the tools are similar to Screaming Froga. Its biggest drawback, as in the case of the free version of SF, is the inability to save projects.

Monitoring changes in the algorithm

The following tools are especially helpful since the algorithm works in real time. We can use them to assess whether the movements in the positions affected only our website, or if there were greater movements in the search results.


MozCast is an indicator of changes in the algorithm from the company SEOmoz in the form of weather forecast. The tool’s report is clear and easy to interpret.


Algoroo is a tool from DEJAN that monitors changes in and The bar graph indicates the state in the search results every day, the deviations from the standard are marked in yellow and red.

Free tools for choosing keywords


A simple, intuitive and useful tool thanks to which we can quickly multiply key phrases and generate longtail phrases.


After entering the phrase we are interested in and choosing the language, we get ready sets of longtail phrases in the form of questions, sentences with prepositions and an alphabetical list. It is worth using this tool when looking for inspiration for the next blog article.


Ubersuggest is a free tool that generates a list of keyword-based phrases. The service is simple and intuitive. In comparison to Answer The Public, the tool offers a much larger database of languages.

Other tools


The tool is used to check the history of domains. Thanks to it, we can check when a given domain is visible on the Internet and what content it contained in the period selected by us. Wayback Machine will be helpful when searching for a new domain – bad story may adversely affect the effects of positioning in the future.


With HTTP Status Code Checker, we can check which code returns the given URL. This is particularly useful for assessing whether there are any additional intermediate redirections within the site that unnecessarily charge the server.


A simple tool for analyzing the age of domains. It allows you to wholesale check up to 10 domains at once.


Free program, also available as an extension to ScrapeBox. In the tool you can check what kind of links (dofollow / nofollow) lead from the list of addresses to the indicated domain.


Flang is a free tool that analyzes the correctness of the implementation of hreflang attributes on the indicated subpage. If you plan to expand your business to foreign markets, this tool will be useful for you.


The tool will indicate what elements in the page’s code should be corrected to make it as compatible as possible. In addition, the report allows webmasters to find errors.


If you want to find out if your website is safe, then this tool will be helpful.

I hope you enjoyed our free SEO tools article.

Check pls more articles about marketing

Comments (25)

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