Best free SEO tools

30. 11. 2021

SEO optimization tools serve webmasters to promote websites in the search engine, organic search results (SERP) of Google, Yandex, Bing and other search engines.
In this article, we’ve covered the most popular free SEO tools to help us:

  • identify and analyze errors that are on the site and options for their elimination;
  • see the position of the site in the search for a particular key phrase;
  • conduct keyword research and build a semantic core;
  • optimize text content;
  • analyze the link mass;
  • identify traffic sources and other functionality.

As a rule, in 80% of cases, they will be enough for high-quality website promotion in the SERP.

For convenience, all tools are divided into sections

Бесплатные SEO инструменты для аналитики

Google Search Console

The most important and popular service from Google. To start high-quality promotion of your resource in Google search, the first thing you need to do is register your site in it.
Google Search Consol allows you to:

  • send a request to Google to index the pages of the site;
  • add sitemap.xml;
  • see what key queries and what position the site is in;
  • analyze the number of impressions and clicks;
  • see incoming and outgoing links on the site;
  • see errors of individual pages of the site;
  • remove site pages from the index, etc.

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Google Analytics

Google Analytics is the most popular tool that allows you to analyze your site for dozens of critical metrics, ranging from the number of visitors and conversions to viewing demographics, location of the visitor and the type of device from which they came. Everything you need for high-quality web analytics can be found in this application.

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Google Data Studio

Powerful tool for data visualization. With its help, you can create the most informative reports based on the collected data from various sources. It is not difficult and free for small projects.

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Google Tag Manager

Manage all the tags of your website without editing any code. Google Tag Manager provides simple, robust, and easy-to-integrate tag management solutions for free.

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Bing Webmaster Tools

This is a free resource that allows you to register a site and see what position it is in the Bing search engine. You can get the most out of your site’s performance by using analytics to improve the rankings of displayed pages in Bing search results.
Bing is the second most popular search engine in the United States.

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SEO analysis and website audit tools

Screaming Frog SEO Spider

The most popular among SEO specialists, desktop scanner for internal audit and website analysis. This program will help to identify site errors that interfere with its promotion.
You can use it for free to scan up to 500 website pages. For large projects, this program will need to be purchased.

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SEO Analyzer

Completely free desktop scanner. Analogue of Screaming Frog SEO Spider.
SEO analysis of a website using SiteAnalyzer is quite simple: this tool allows you to perform URL crawling and analyze the received data quickly. Use it to fix technical issues and improve SEO in no time.

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NeilPatel SEO Analyzer

Seo-analyzer is a powerful and effective web site analysis service. With its help, you can test the resource for speed and the presence of critical errors. This service is shareware.

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SEO-auditor by Zadroweb allows you to analyze page and domain authority for any link, shows GooglePageSpeed, which is a strong SEO ranking signal. Shows 10 of your most popular keywords, checks metadata and images for missing information, shows social links on your site, and performs dozens more features for free.

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Free SEO Spider Software

Free analog of the Screaming Frog SEO Spider scanner. Search for errors, broken links, duplicate information, and irrelevant content.

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A simple and accurate website speed test while analyzing the efficiency of the website. Test, analyze and optimize your website with minimal effort.

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It is a popular web application that allows you to view any web page without the distraction of styling. Shows the main parameters of internal site optimization. There is no need to download and install anything, just enter the URL you are interested in in the corresponding field of the program.

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An extension that allows you to find out what technology the site was made with and what additional services it is connected to.

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WayBack Machine (Web Archive)

Shows the history of the site, the age of the domain. The website archive allows you to collect and search collections of digital content without any technical knowledge. Visit Archive-It to create new or view old resources.

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Barracuda Panguin Tool

An online service that shows you how Google’s algorithms affect your website.

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Of course, you can also pick up free and paid SEO analysis tools, but for most situations, the above programs and applications are usually enough “headlong”. There are also highly specialized resources for specific purposes, but they are rarely used.

Keyword collection and analysis tools

Google Keyword Planner

It is a keyword planner that helps you build the semantic core for your website. This service is designed to work with Google Ads, but it can also be used to collect site semantics. It will allow you to identify a large number of key phrases that will be relevant to the pages of your site.

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Keyword Surfer

It is a 100% free browser extension that allows you to find matching keywords directly in Google search results. With Keyword Surfer, you can do data-driven keyword research in just a couple of clicks.

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Keyword Shitter is a popular webservice for finding search suggestions.

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One of the most effective link analyzers today.
Ahrefs is considered the second most popular web crawler after Google. You get access to over 25 trillion well-known links, 170 million unique domains, 6.5 billion pages that are crawled every day.

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Domain Analyses

Popular and free domain ranking analysis tool from MOZ. Enter any domain and it will show you the best competitive SEO metrics, including domain authority, popular pages, ranking keywords, and more.

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It is an effective link checker extension that crawls your web page and looks for broken links. This extension will be useful for SEOs to prevent the accumulation of “excess weight” of the site.

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Browser SEO extension for search and link analysis. Checks web pages for broken links and determines the performance of these links. Now you can learn more about checkable links to make smarter decisions faster. Get information and social data from any link on the page. You can also use LinkMiner to see how many total internal or external links are on the page you are viewing.

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Domain Authority Checker

Domain Authority Checker. The Domain Authority Checker tool allows you to check the DA score of a website. Just paste the URL of your desired website into the search box and click the Check Authority button.

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A unique application that allows you to learn about the preferences and trends of user requests from around the world. The most mentioned words, the most frequently encountered queries can always be viewed in this application.

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Multi-tools for SEO


It will help you find duplicate content, broken links and much more.

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SEO Minion

A must have extension for SEO specialists!
Helps you with day to day SEO tasks like on-page SEO analysis, broken links check, search results preview and much more.

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A powerful set of SEO tools for your browser to check any web page for a huge selection of SEO options on the fly. SEOquake audits a site on a page in the blink of an eye, examines internal and external links, compares domains and URLs in real time, exporting all data to a report file.

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SEO tools from Internet Marketing Ninjas

Identifying the most common problems and errors, such as broken links and images, empty alt text, missing meta tags, and so on.

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Website Speed Checker Tools

Google Page Speed Insight

Allows you to analyze and check the speed of loading pages of your web resource. If there are problems, it offers optimal solutions to accelerate the download speed.

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GT Metrix

Find out how fast your site is loading. If there are problems, it indicates possible causes and opens up new optimization possibilities for you.

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Speed Monitor

Webservice for daily monitoring of website speed and performance. SpeedMonitor uses Lighthouse data to check the performance of your property, constantly monitoring changes. Get notified when your page speed drops with email notifications.

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Web Page Test

In our opinion, the best tool for determining the speed of website loading. A large number of configurable options depending on the browser and location.

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Text analysis services


Checks copies of pages that are similar to yours and may be duplicated.

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Checking the responsive version of the site

Google Mobile Friendly

A simple test from Google to find out how optimized your page is for mobile gadgets.

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Helps you test the display of your site in mobile search.

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Technical SEO optimization tools

Rich Results

A service from Google that will show if schema is embedded on your site. This micro-markup helps search robots to better define the content of the page.

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Chrome DevTools

A web developer tool that is built directly into the browser. Allows you to view the code of the site page. Press the F12 button and open the developer tool in your browser.

Technicalseo Hreflang

This tool allows you to quickly check the correctness of the hreflang tags on the page.

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Additional free SEO tools

Google My Business

This is information about your business on Google Maps. With this application, you can keep in touch with your customers, see their reviews, add opening hours, office address and much more.

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Clarity от Microsoft

Allows you to view a heatmap of clicks, watch a video of how a visitor interacted with the pages of your site, and much more. A great tool for internet marketers.

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Location Guard

This extension “replaces” geolocation and allows you to see search results in other countries.
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Google SERP Preview Tool

The search results preview tool helps you visualize how your metadata will appear on the Google Search Results Page (SERP).

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As a conclusion
SEO tools will be useful in search engine optimization in any search engine. With their help, it is easier and faster to detect and fix errors, and to promote sites in search results more efficiently.


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