Best free SEO tools – 20 programs.

SEO is a field that is constantly evolving, and knowledge of it is essential for both small and large companies looking to increase visibility in Google and improve their website’s ranking. Today we will focus on the best free SEO tools that are a real treasure trove in every SEO specialist’s arsenal.

Free SEO tools for on-site, off-site, content analysis

These free tools not only help you understand how your site is viewed by Google’s search engine, but also provide valuable tips on how to improve its ranking. From analyzing key phrases, to monitoring site traffic, to diagnosing the technical aspects of SEO on your site – all this is available at no cost.

Among SEO Tools you will find SEO tools for:

• on-site analysis,
• technical SEO,
• internal and external linking,
• search topics under content marketing,
• collecting results.

This is a selection of the best free SEO tools.

1. Google Search Console

Google Search Console is a free tool from Google, that every SEO specialist should have in their kit. It is an invaluable tool in monitoring and maintaining your site’s presence in Google search. It provides invaluable information about how Google sees a site, which is fundamental for anyone who wants to improve their website’s Google visibility and ranking.

One of the most important features of GSC is its ability to identify and resolve technical problems on a site. The tool provides detailed information on indexing errors, security problems, and site mobility issues. Such information is key to maintaining a healthy and well-functioning site, which directly translates into better search engine results.

2. Google Analytics 4

Google Analytics is a tool that provides detailed data on website traffic. GA4 allows for deeper analysis of user interactions with your site, giving you the ability to track data in a more integrated and holistic way than previous versions. With this tool, you can better understand your customer’s path, from the first time they enter your site to conversion. This is crucial for optimizing sites for user experience and marketing effectiveness.

It also offers new metrics and report types that are more tailored to the changing digital landscape. For example, the tool focuses on data related to site events, which allows for more accurate tracking of user actions. This information is invaluable for planning SEO efforts, as it allows you to more accurately match your site’s content and features to your audience’s needs and behaviors.

3. Yoast SEO – optimizing sites on WordPress

Yoast SEO is an extremely popular SEO tool, especially appreciated by WordPress users. As a plugin for this content management system, Yoast SEO makes it significantly easier to optimize every page and blog post for SEO. It focuses on several key aspects that are essential for achieving a good search engine ranking.

4th Screaming Frog SEO Spider

Screaming Frog SEO Spider is an on-page technical SEO analysis tool. It helps identify technical problems, links, duplicate content, missing title tags and much more. It is a free  (limited version) program, indispensable for diagnosing SEO problems.

5. Google pagespeed insights

Google Pagespeed Insights is a tool from Google that focuses on one of the most important aspects of modern SEO – website loading speed. This is a key factor that affects not only optimization for SEO, but also the overall user experience. In an era of increasing expectations for website speed and performance, this tool provides vital information on how fast a page loads and what can be done to reduce that time.

After entering the URL of a page, Google Pagespeed Insights performs an analysis, providing a performance score on a scale of 0 to 100. The score is divided into two categories: for the mobile and desktop versions of the page. The tool also provides specific and detailed recommendations on how to improve page load time.

6. Ubersuggest – keyword analysis

Ubersuggest is a comprehensive tool for analyzing keyword phrases and competition. It helps you find relevant phrases that can increase your website s traffic and improve your visibility in Google search.  Founded by renowned digital marketing expert Neil Patel, the tool provides comprehensive SEO analysis features that are particularly useful for small and medium-sized businesses and individuals working to optimize their websites.

7th MozBar

MozBar as a browser extension, MozBar provides instant, detailed SEO information right in your browser, making it invaluable for quickly analyzing both your own sites and those of your competitors.

The primary feature of MozBar is its ability to display key SEO metrics for each page visited. This includes information such as domain authority (Domain Authority – DA) and page authority (Page Authority – PA), which are important indicators of a site’s strength and credibility in terms of SEO. This allows you to quickly assess the potential value and effectiveness of backlinks and the ranking potential of a given page.

8. SEMRush (limited free version)

SEMRush is one of the best SEO tools on the market, although its free version has some limitations. The free version has features:

• Basic keyword analysis – ability to view search volume, SEO difficulty and related keywords.
• Competitor analysis – basic information on keywords and SEO strategies used by competitors.
• Bounded backlink analysis – the ability to see basic data about backlinks to a site, including the total number of links and some of the sources of those links.
• Basic site SEO audit – features to identify basic technical and on-page issues that can affect a site’s performance in search engines.
• Position monitoring – ability to track the position of selected keywords in search engines, albeit with a limited number of keywords.
• Limited number of reports and queries – the free version of SEMRush usually limits the number of reports and queries you can make each day.
• Organic traffic insights – basic information about organic traffic on your site and your competitors’ sites.
• Content analysis and content ideas – on-page content analysis tools and suggestions for improving SEO optimization.

9. Ahrefs Backlink Checker

Ahrefs Backlink Checker is a specialized tool within the Ahrefs platform focused on backlink analysis. Although the full version of Ahrefs is paid, the free version of Backlink Checker offers valuable insights into the backlink profile of any website, making it a useful tool for SEO professionals at various levels of expertise.

10. Majestic SEO (limited free version)

Majestic SEO is another link analysis tool. Its uniqueness lies in its detailed metrics like Trust Flow or Citation Flow, link map, link history,  that help you understand the quality and strength of your link profile.

11th SEOptimer

SEOptimer t

this is a simple to use but effective free website SEO audit tool. It is an ideal choice for small businesses, freelancers and SEO managers who want to quickly assess the overall health of their website in terms of search engine optimization.

SeOptimer t

Main features include:

• Web site analysis,
• On-Page SEO tips,
• analysis of site performance,
• generation of SEO reports,

12th SEOquake

SEOquake is an SEO tool available as a browser extension that offers a quick analysis of various SEO parameters on any website. From key phrases to backlinks, SEOquake is an invaluable tool for any SEO specialist.

13th SmallSEOTools

SmallSEOTools offers a number of small tools that can be very useful in your daily SEO work. 

It is a popular choice for SEO, copywriting and digital marketing professionals, offering easy-to-use tools for a variety of tasks.

Main features include:

• plagiarism checker – a tool for detecting plagiarism in content, which helps to maintain the uniqueness and originality of content,
• text rewriter – a text rewriting function that helps modify existing content while maintaining its original meaning,
• grammar and spell checker – tools to help improve the quality of written content by eliminating grammar and spelling errors,
• backlink analysis tools – allow you to check a site’s link profile, which is crucial in SEO strategies,
• image converters and compressors – tools to optimize images for websites, which helps improve page loading speed,
• keyword generator – helps you find relevant keywords for content and SEO,
• site SEO analysis tools – provide general information about a site’s SEO status, pointing out areas for improvement.

14. Sitechecker.pro (basic features)

Sitechecker.pro is a comprehensive website SEO audit tool. The free version provides basic functions to understand the overall status of SEO optimization.

Example functions:

• Site analysis – allows you to conduct a detailed SEO audit of your website,
• keyword position monitoring – tracks how a website’s position for selected keywords changes in search results,
• backlink analysis – offers basic information about a site’s link profile,
• page speed check – allows you to evaluate page loading time and suggests possible improvements,
• security check – analyzes pages for potential security risks,

15th SERP Simulator

SERP Simulator allows you to see how your website will look in Google search results. It’s a great way to optimize meta tags and ensure that your URL is attractive to potential visitors.

16th GTmetrix (basic features)

GTmetrix is a completely free website performance analysis tool. It helps you identify factors that affect your page loading speed, which is crucial for the effectiveness of your SEO efforts.

17th Keywords Everywhere

Keywords Everywhere is a browser extension that shows data about keyword phrases directly in search results. It’s a quick way to get valuable information about potential traffic and SEO difficulties.

18th Answer The Public

Answer The Public is a unique content idea generation tool. It uses a given phrase in Google to suggest questions and topics that are popular among Internet users. Ideal for increasing your visibility on Google and for creating engaging SEO content.

19th Google Trends

Google Trends is a tool that plays a key role in any company’s SEO strategy. This tool allows you to analyze trends in key phrases and interest in topics over time and in different regions. With Google Trends, you can discover which phrases are currently popular and how their popularity is changing, allowing you to tailor the content on your website to the current interests of your users.

20th Looker Studio (Google Data Studio)

With this tool, you can easily present data on your site’s traffic, visibility in Google or the effectiveness of selected keywords. This program allows you to create interactive reports that are easy to use and understand, even for people who are not SEO specialists.

In the context of an SEO campaign, it offers invaluable value by allowing you to analyze and compare results over time, which is crucial for evaluating the effectiveness of your SEO efforts. It is an ideal tool for companies of all sizes that want to increase their visibility and better understand the behavior of their users.

Free and paid SEO tools – what gives better optimization results?

Deciding on a free version of a tool, such as Google Analytics or Google Search Console, gives us access to basic but extremely important information about our site. These free functionalities allow us to effectively analyze site traffic, key phrases and visibility. They are a great starting point for companies that are just entering the world of SEO or have a limited budget for SEO activities.

On the other hand, paid SEO tools such as SEMRush or Ahrefs (that’s a real SEO combo), Surfer SEO, offer a much wider range of features. They allow deeper analysis of backlinks, advanced tracking of key phrases as well as more detailed competitive analysis. For companies that want more comprehensive and detailed data, paid tools can provide greater capabilities and precision in optimization.

The choice between SEO tools available for free and paid programs depends on a number of factors, such as company size, industry specifics, marketing goals and budget. For many companies, especially smaller ones, free SEO tools from Google and other free programs are sufficient to achieve good results. However, for larger companies that want more detailed insights and have greater data analysis requirements, paid versions may be a better choice.

In summary, both free and paid programs can produce effective results for website optimization. However, the key is to properly understand your own needs and goals, as well as to skillfully use the available resources. In an ideal scenario, a combination of both types of tools can provide the most optimal results in SEO optimization.