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SEO sounds complicated, doesn’t it? Between site analysis, keyword research, page speed, backlinks and content quality… you’d have to sell your octopus to get by! The good news is that, thanks to the best free SEO tools, you can dissect your website’s performance without breaking the bank. At the helm of this dive is Octo the Zourit, the eight-armed mascot who loves juggling metrics, optimization and SEO.
The aim: to give you a real list (tested, approved AND fun to use) to improve your page rankings, understand your site’s strengths and weaknesses, and build an effective web strategy… without investing a euro! đ
Ready to boost your website? Follow the guide!
Having a website today is like having a stall at the biggest market in the world: you need not only to get noticed, but also to convince the search engines to put you at the top of the bill. And search engine optimization means tools!
In 2025, there’s no escaping digital marketing. Search engine optimization is still the preferred channel for Internet users to find a company, buy a product or discover a service. But here’s the thing: companies, from SMEs to large organizations, all share the same needs… and often the same problems:
That’s why it’s a good idea to use a selection of the best free SEO tools to analyze, compare, audit and optimize… without breaking the bank.
As the cornerstone of digital marketing, Search Engine Optimization (SEO) is your greatest ally in gaining visibility, generating quality traffic and boosting sales. But without regular analysis, it’s hard to know what’s really working! That’s why you need robustSEO tools, even free ones, to monitor your pages, your keywords, your links and therefore your success on the SERP.
There’s still the big question of tool choice. Free or paid? According to Octo đ, it all depends on the number of websites you need to manage, the size of your requirements (advanced tracking, volume of queries…) or the need for highly specialized features (full audit, ultra-detailed semantic analysis, customized reports, etc.). For the majority of businesses and entrepreneurs: it’s best to explore the (sometimes bluffing) free stuff first, before moving on to paid platforms.
What can you expect in terms of functionality?
– Analysis of overall website performance,
Let’s dive into the selection!
Your goal: get as much data as possible to improve your website’s performance (without spending 72 hours going through it all). Here are the best free SEO tools we’ve tested and (over)approved!
It’s impossible to talk about analysis without mentioning the Google classic. Search Console is THE indispensable companion for monitoring the health of your website, detecting indexing problems, analyzing your page positioning in the results, but also :
Thanks to this free SEO tool, nothing escapes you: even Octo can audit a site with its tentacles in its pockets.
Always to be used in conjunction with Search Console! Google Analytics is the benchmark platform for analyzing website traffic, understanding visitor behavior, monitoring the number of sessions, pages viewed, where strangers (or future customers) are coming from, bounce rate, and much more.
The best thing about it: it’s all free (up to a certain data threshold), and customized reports help you steer your marketing strategy.
Did you think you’d have to break out the bank to analyze your site’s technical SEO? No way! Screaming Frog, in its limited but free version, allows you to carry out a complete SEO audit:
On the downside, the free version is limited to 500 URLs, but for many companies and even SEO consultants… that’s a lot.
When it comes to the best free SEO tools, MozBar is often at the top of the list! A veritable Swiss army knife integrated directly into your browser (Chrome), MozBar enables live analysis of key metrics (authority, links, on-page SEO analysis results…) for each web page .
Ideal for a quick initial assessment, a competitor benchmark, or a check before publishing new content.
Octo’s favorite playground? Keyword research! With Ubersuggest, you enter a term: in a matter of seconds, thetool provides you with associated keywords, their search volume, ranking difficulty, cost per click… and even a few content ideas.
It’s the ideal free tool for starting a content strategy or spying on competitors’SEOstrategies .
SEMrush is the Rolls Royce of SEO! Although its advanced features are not free, the free version allows you to carry out a quick audit of your website, analyze a few keywords or backlinks per day, and track the positioning of certain pages.
An excellent starting point that makes you want to dig deeper (and invest when the need arises). Agencies and consultants often recommend it for the richness of its data, even in the freemium version.
Site speed is all too often overlooked, yet it’s a key factor in SEO performance! Google PageSpeed Insights provides free analysis of webpage loading , performance scores and a list of recommended optimizations (compressions, scripts, images, etc.).
A real quick glance to avoid losing visitors (and position in Google results).
Ahrefs, another market heavyweight, offers a free webmaster tools interface. The result: you can scan your entire site, identify your backlinks, detect broken links, assess SEO health, but also keep an eye on your competitors.
Perfect for getting an overview without any immediate investment (the full version is expensive, so take advantage of the free version!)
Practical and fun, SEOquake integrates with your browser to :
No ideas? This visual tool generates hundreds of questions and related queries around a keyword. Perfect for beefing up your web content strategy and meeting the real needs of web users.
The free version limits the number of uses per day: remember to group your searches.
Complementing PageSpeed Insights, GTMetrix scans your website’s speed and lists any technical problems: loading times, blocking scripts, poorly optimized images… What’s more, thetool offers a comparative analysis with other sites: a real motivator!
There are lots of them, so how can you avoid getting lost? Don’t panic, Octo has tested it for you!
Technical SEO audit: Screaming Frog, Ahrefs Webmaster Tools, Google Search Console Semanticweb/contentanalysis: MozBar, SEMrush, SEOquake Keyword research: Ubersuggest, Answer The Public Performance/traffic tracking: Google Analytics, Search Console, GTMetrix Backlink analysis: Ahrefs Webmaster Tools, MozBar, SEMrush
Each tool offers its own features: focus on those that will serve your strategy and business objectives (increased traffic, better conversions, winning over competitors, etc.).
A good free SEO tool is one that :
There’s no need to multiply the number of platforms: test 2 or 3 and see which ones suit your needs.
As long as your needs are basic – or you’re just getting started with your SEO strategy – there’s no harm in sticking with the free tools. As soon as :
…there’s nothing to stop you switching to premium mode.
Often, it’s deepsearch, access to history or automation that become limiting.
A selection? A quick test – and off you go!
If yes: Adopt it and add it to your list of favorite free SEO tools. If not: on to the next!
Having the list is all well and good, but you still need to know how to use these tools effectively. Octo shares its SEO secrets with you!
Several platforms allow you to receive alerts (e-mail reports, automatic export, etc.). This is an enormous time-saver when it comes to monitoring traffictrends , the speed of your pages and the SERP’s reaction to your new publications.
There’s nothing like a good audit to detect :
Use tools such as MozBar, SEMrush, Ahrefs or Ubersuggest to analyze :
Regular monitoring helps you :
Some free SEO tool platforms offer well-hiddenfeatures: PDF export, long-tail keyword suggestion module, A/B testing of web content… Don’t miss out!
The SEO market evolves fast, but one thing never changes: the audacity to test, compare and appropriate the best tools… especially when they’re free!
You’ll have (almost) everything you need to base your SEO analysis, check positioning, understand the competition, boost your pages in the SERP and detect recurring problems.
Octo (and the whole digital marketing community) love to chat about tools, tips and tricks for improving the performance of your websites.
Got a nugget to share? Got a question for us? Want us to evaluate your web pages, keywords or SEO audit strategy together?
Leave a comment, send a quick message: we’ll meet below the surface to grow your performance together! đ
So, are you ready to pick from this top list of free SEO tools to boost your website’s performance? Try one, two or even three this week, and tell Octo how it’s shaping up for you! đ
Our team is here for you!
