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35 Best Free SEO Tools

It is a truth that when individuals have the appropriate tools, they work better and smarter.

It’s amazing how much of a difference a good tool can make in getting a job done faster, better, and with better results.

Using some fantastic SEO tools and using the same thinking process to SEO marketing can help you obtain quicker and better results with your SEO (Search Engine Optimization) efforts.

I’ve created a thorough list of the finest free SEO tools on the market in this blog, which covers a wide range of applications and purposes.

The tools are quick, free, and easy to use, and you should be able to discover some great ones to assist you improve your website.

What are SEO tools?

SEO tools are desktop or cloud-based (online) solutions that allow you to execute various SEO activities on your website, such as on-page, off-page, and technical SEO.

Keyword research, website analysis, link building, page speed optimization, and other SEO operations are just a few examples.

You’ll discover lots of tools to help you get the job done faster and make your life simpler for each of these tasks. These technologies are designed to help them complete all of these activities in less time and with more efficiency.

There are a plethora of free SEO tools accessible today, and I’ve compiled a list of the finest and most useful to add to your toolkit.

I’ve divided them into several groups based on the SEO function they employ.

  1. Keyword Research tools
  2. On-page SEO tools
  3. Link Building tools
  4. Technical SEO tools
  5. Rank Checker tools
  6. SEO Analytics tools
  7. Local SEO tools

Let us dive into 35 best free SEO tools for 2021.

Keyword research tools

These tools help you with your website’s keyword research 

1. Google Suggest

Google Suggest is a significant component of Google search that was launched in 2007 and quickly became a fundamental feature of Google search.

When you use Google to search for anything, a lot of things happen behind the scenes that you don’t see. Google’s sophisticated algorithm tries to come up with search questions that are a good match for the search phrase, and the results are shown beneath the search box.

You’ll usually get 3–5 options, with the possibility of getting up to 10 if you’re lucky.

These recommended keywords are what your target audience is looking for and will add value to your keyword research. They are also completely free.

2. Google Keyword Planner

This is a keyword tool provided by Google. It will allow you to check the keyword’s average monthly searches, difficulty level, and highest bid value, among other things. I strongly advise you to use the Google Term Planner to discover your target keyword and for all other keyword research tasks.

3. Ahrefs’ Keyword Generator

Ahrefs offers a number of free tools, including Keyword Generator. For any seed keywords or search phrases, it pulls the top 100 keyword suggestions from its database of over ten billion keywords. You’ll obtain a lot of keyword-related data, including monthly search traffic, Keyword Difficulty (KD) for the top 10 phrases, and so on, which can help you design your keyword strategy. This keyword generator will not only help you identify keywords for Google, but also for Bing, YouTube, and Amazon.

4. Google Trends

It’s critical to know how popular or widely used your chosen term is, and this tool can assist you in doing so.

You can find out how often people are searching for your brand name or the most essential services you provide by conducting a search for it.

You may look into the popularity of any phrase, and it will show you similar questions, subjects, and more.

5. Ubersuggest

Uber suggest, which is provided by marketing expert, is the next free SEO tool on my list. This tool may assist you with a slew of SEO-related tasks.

You may get information on your chosen term, similar keywords, and top keywords, as well as optimization tips and information on paid marketing and ranking challenges.

You can also enter the website name, and it will provide you with information on your competitor’s finest backlinks as well as statistics on the domain’s top-ranking pages.

You may then easily repeat the procedure or reverse engineer the technique to get comparable or even better outcomes for your website.

6. SEMrush

SEMrush is the ideal do-it-yourself SEO tool for keyword research, rank tracking, on-page SEO, backlink audits, content analysis, and more.

It’s a comprehensive tool that may help you enhance your website’s SEO, competitive analysis, and other SEO-related tasks.

You can acquire a free 14-day trial and then utilise the limited free version after that (5 searches a day).

On-page SEO tools

Understanding the rules of On-page SEO, these tools help you rank higher on search engines.

7. Yoast SEO Plugin (WordPress) 

This is the most popular WordPress SEO plugin. It’s one of my favourite online SEO tools for adding on-page SEO components to my WordPress site, and I can’t say enough good things about it.

Although it is a premium plugin, they have a restricted free version that includes all of the essential features.

You may upgrade to the premium edition if you want additional keywords and key phrases, content insights, internal linking, and other features.

8. All in One SEO Pack (WordPress) 

In my top SEO tools list, All in One SEO Pack is also a free SEO tool. It’s a free WordPress plugin that will assist you with all aspects of SEO.

It’s a great alternative to Yoast’s full-featured SEO plugin. The nice part about this tool is that it creates the meta description tag automatically based on your desired keywords.

9. WooRank 

WooRank is one of the greatest free SEO tools for analysing the performance of your website and quantifying your optimization efforts.

It aids in the analysis of all essential SEO elements such as the title tag, meta tags, headers, alt tags, mobile-friendliness, backlinks, social network integrations, and more.

10. Seoptimer 

Seoptimer also allows you to rapidly assess the on-page SEO, usability, and overall performance of your website.

It also makes suggestions on how you may improve your SEO strategies and improve your website’s ranks.

If you wish to check the SEO status of your website, it outperforms WooRank.

Seoptimer is a tool that allows you to test your website.

11. Google’s Rich Results Test

The Google Rich Results Verification tool determines if your website is suitable to be featured on Google’s rich snippets by monitoring the structured markup data on your page. 

12. Google Tag Manager

For all intents and purposes, Google Tag Manager is used to simply incorporate ‘tags’ for other technologies into your website’s HTML code, such as Google Analytics and Google Ads.

Other Tag Manager capabilities, such as auto event trigger, can be used by advanced users to fire when specific events occur on the page.

One thing to keep in mind is that while Google recommends against using Tag Manager to enter essential elements like structured data, it is still beneficial for many SEO tasks.

Link building tools 

A crucial aspect of getting organic traffic, these tools help you with your link building efforts or off-page SEO

13. Ahrefs’ Backlink Checker 

If you’re looking for the greatest SEO tools, Ahrefs Backlink Checker is at the top of the list. This free SEO tool assists you by displaying the top 100 backlinks for any website or page.

It also tells you about the top five most-linked pages, popular anchor texts, the total number of backlinks on the page, the domain, and the domain rating and URL score, which are unique to this tool.

14. Hunter.io 

Hunter.io, another excellent online SEO tool, retrieves all email addresses linked with a website. It’s quite beneficial for backlinking reasons since it allows you to create relationships.

You may use this tool to increase your email outreach and acquire more backlinks for your website with up to 50 free searches each month.

Simply input the URL and the user’s name, and you’ll have everything you need to contact the individual.

15. Scraper

Scraper is a data scraping programme that collects data from web sites and saves it to a spreadsheet.

Scraper’s Chrome addon is a handy SEO tool for building backlinks. It may be used for a variety of purposes, including collecting potential backlinks from Google search results.

Technical SEO Tools

The Technical SEO tools help you improve the structure of your website for search engine bots to understand your content

16. Ahrefs Webmaster Tool 

Ahrefs Webmaster Tools, one of the finest free SEO software tools, provides everything you need to manage your website’s technical SEO.

It will assist in increasing the effectiveness of your website and driving the most organic traffic possible.

This all-in-one SEO tool includes, among other things, monitoring your website’s technical health, discovering and correcting any SEO issues, identifying interlinking opportunities, and determining the keywords that you rank for.

17. Screaming Frog 

Screaming Frog is a useful tool for inspecting and evaluating your website’s technical SEO.

It scans your site and lets you see the findings in real time, allowing you to spot any technical SEO issues and make educated decisions about how to address them.

You can simply identify broken links, evaluate your page titles and meta tags, find duplicate content, build XML sitemaps, and more using Screaming Frog. The free version allows you to crawl up to 500 URLs.

18. Google Mobile-Friendly Test 

Businesses have no option but to ensure that their website is mobile-friendly now that Mobile-First Indexing is becoming essential.

To aid with the implementation of this change, Google created the Friendly Test Tool, which allows users to evaluate the site’s performance and user experience from a mobile device.

Simply type your website’s URL into the box, and it will tell you whether or not it is mobile-friendly. That’s even possible to accomplish it simply copying and pasting your code.

19. Robots.txt Generator 

Robots.txt is a text file that mostly contains your website’s root directory. This file informs search engine bots about which pages on a website should be crawled and indexed and which should not. The Robots.txt Generator tool aids in the creation of properly structured robots.txt in a matter of seconds.

20. Google XML Sitemaps (WordPress)

XML sitemaps assist search engines like Google and Bing index your site more effectively since the bots can see and comprehend the whole structure of your site.

The Google XML site map WordPress plugin will build and submit your website’s sitemaps to Google Search Console automatically.

21. Google PageSpeed Insights 

PageSpeed Insights from Google will assess your website and provide you with a speed score. It will also make recommendations on how to enhance the performance of your website by identifying the issues and remedies.

22. Webpagetest.org 

Site speed, and therefore page speed, is well-known in the SEO world as one of the most important aspects of technical SEO and has a significant influence on your search engine results.

Webpagetest.org is a free SEO tool that examines your website and displays a breakdown of its score.

It offers you a comprehensive picture of how your website loads, including where it takes longer and where it lags. You can effectively solve these issues and improve the performance of your website.

23. Free Broken Link Checker 

The name is enough to tell you that this tool will check all the broken links (dead links) on your website. Finding broken links and replacing them with new ones is excellent for your link building strategy as well.

24. FAQ Page Schema Generator

The semantic vocabulary of tags is also known as the schema. You may use schema in your HTML code to help search engines better understand and portray your page in SERPs.

The FAQ Schema Generator, also known as the JSON-LD Generator, is a free application that allows you to rapidly build a structured data snippet for your website page and show it as a rich snippet in the Google SERP.

Try my FAQ Page Schema Generator for free

Rank Checker Tools

As the name suggests, these tools allow you to check how your website ranks at different locations.

25. SERPfox

When it comes to tracking website rankings for the given keywords, I use Serpfox. You can add keywords for your website and locations, and it will monitor the outcome as per the location specified. It is a great free SEO tool for checking ranks.

26. Ahrefs’ SERP Checker

The SERP Checker from Ahrefs shows the top 10 ranks for each term in over 170 countries. For the first three search results, you may observe key SEO techniques such as the number of referring websites, backlinks, an average of search traffic, and so on.

SEO Analytics tools 

Digital marketing is incomplete without an analysis of the results. These tools collect your SEO campaign data and help you measure and analyze it.

27. Google Analytics 

What good is SEO if you can’t track and assess the results of your efforts? With this in mind, Google Analytics is an essential tracking tool for anybody who operates a website or blog. Google Analytics allows you to track your visitors, channels, behaviour, and more.

28. Google Data Studio

Google is there to help you generate fascinating reports for all of your efforts, not simply tracking and analysing. Google Data Studio, a new addition to our list of best free SEO tools, is all about gathering data and using it to create informative and interactive dashboards and reports.

The greatest part is that it interacts with Google’s suite of tools, including Google Search Console and Google Analytics, making it simple to combine data from many sources.

29. Google Search Console

One of the most effective SEO tools is Google Search Console. It is quite beneficial in growing website traffic, particularly organic traffic.

It displays information such as your website’s position, impressions, clicks, CTR (Click-Through Rate), and more, allowing you to assess your site’s performance on Google and take the necessary steps to enhance its rating.

Local SEO tools

Understanding the process of Local SEO, these tools help you optimize your site for local search results

30. Google My Business

Google My Business enables you to manage your business profile on Google Search and Maps in a more effective manner. The most essential thing you can do in local SEO is claim and optimise your GMB profile. GMB is one of the top local ranking indicators for both “snack pack” and organic results, according to a Moz research from 2018.

31. Moz Local Online Presence Tool

Are you confident that all of your online company information and local citations are correct and up to date?

Moz Local allows you to rapidly assess how your company appears on the major data aggregators used by Google and others to rank local search results throughout the web. It’s crucial for determining your weaknesses and talents.

Other Tools

32. Wayback Machine 

Wayback Machine shows how websites appeared in the past.

This is important for a variety of tasks. For example, if you’re reconstructing broken links, knowing what was originally on the dead page will help you replicate it.

With this user-friendly content assessment tool, you can examine how the website appears on the Google Search Result Page.

The free tool also shows you how material appears when shared by users on Facebook, Twitter, LinkedIn, and other social media platforms.

33. MetaTags.io 

This user-friendly content analysis tool helps you see how your page would look on Google Search Result Page. The free tool also shows you how your content will look when people share it on Facebook, Twitter, LinkedIn, and more platforms.

34. Google Alerts 

You can track mentions of your name or organization online with Google Alerts. You can also use this excellent free SEO tool for competitor analysis as you will get regular updates about your competitors. 

35. Spyfu

An fantastic tool for keeping track of what others in your industry are up to. Spyfu is what I use to research my rivals.

The tool has a unique feature called competitor shared keywords, which gives you a fair idea of the competition and allows you to make comparisons.

You may even look at the advertisements you’re running for your competitors. Other options include Competition, Paid Competitors, Top Keywords, Adwords History, Ranking History, and more.

Need help with getting your business found online? Stridec is a top SEO agency in Singapore that can help you achieve your objectives with a structured and effective SEO programme that will get your more customers and sales. Contact us for a discussion now.