If you want to improve your website's SEO but don't want to spend money on expensive subscriptions, this post is for you.
In 2025, there are many free SEO tools that offer professional-level insights for auditing, optimizing, and tracking your site. We've tested dozens of them and picked the Top 6 Free SEO Tools you should be using right now.
These tools can help you:
- Analyze your website's SEO health
- Find the right keywords
- Improve speed and user experience
- Write better titles and meta descriptions
SEOCheckr — All-in-One SEO Toolkit
Best for: Checking on-page SEO, generating meta tags, and quick audits
SEOCheckr is a complete collection of free tools built to help you optimize your site from every angle. You can check your SEO score, preview how your pages look on Google, generate keyword ideas, and even fix common issues like missing meta tags or broken redirects — all for free.
Key Features:
- • SEO audit tool (score + improvement tips)
- • Meta title & description generators
- • Keyword & SERP tools
- • Robots.txt, sitemap, and redirect checkers
Ideal for beginners and small businesses who want quick, actionable SEO feedback.
Google Search Console
Best for: Tracking your site's search performance
This is the first tool every website owner should use. Google Search Console shows which keywords drive traffic to your pages, alerts you about indexing issues, and helps you understand how Google views your site.
Key Features:
- • Search performance reports
- • Keyword CTR & position tracking
- • Page indexing and sitemap monitoring
It's free, accurate, and straight from Google — essential for any SEO strategy.
OnAirSEO — Free SEO Audit Tool
Best for: Detailed on-page audits and performance checks
OnAirSEO provides a clean and easy-to-use audit platform that scans your website and highlights key SEO issues like broken links, duplicate tags, and slow loading times. It's simple, fast, and free — making it great for anyone who wants to analyze a website quickly.
Key Features:
- • Free SEO audit reports
- • Page performance breakdown
- • Actionable improvement suggestions
Perfect for marketers and site owners who want instant SEO insights without logging in.
Ubersuggest
Best for: Keyword research and basic SEO audits
Created by Neil Patel, Ubersuggest helps you find new keyword opportunities, analyze competition, and view top-ranking content ideas. It's a great starting point for building a keyword strategy.
Key Features:
- • Keyword volume & difficulty metrics
- • Content and backlink ideas
- • Simple SEO audits
A solid free option for quick keyword research.
GTmetrix
Best for: Analyzing website speed and performance
Speed matters for SEO — and GTmetrix helps you understand what's slowing your site down. It provides detailed reports with Core Web Vitals, load times, and improvement tips.
Key Features:
- • Page load and performance grades
- • Core Web Vitals breakdown
- • Detailed waterfall charts
A must-use tool if you want to improve user experience and SEO scores.
AnswerThePublic
Best for: Finding SEO-friendly content ideas
AnswerThePublic visualizes what people search for around a keyword. It's a powerful way to discover content topics, FAQ ideas, and long-tail keywords that can boost your organic traffic.
Key Features:
- • Content idea visualization
- • Keyword intent grouping
- • Free daily searches
Fantastic for bloggers and marketers who want to write content that matches search intent.
Final Thoughts
You don't need expensive tools to succeed with SEO in 2025.
Start with free options like SEOCheckr, Google Search Console, and OnAirSEO — they'll give you all the insights you need to analyze and improve your site without breaking the bank.
As your website grows, you can always explore paid upgrades — but for now, these six free SEO tools cover everything from audits to keyword research.