Why Introducing Best Free SEO Tools for 2025 Still Makes Sense?
Because if you’re growing a website on a budget, the best free SEO tools are a game changer. Now, it's not only about optimizing for Google anymore, but also SEO is a way to appear in AI search results, too.
According to Google, You should still apply the same foundational SEO best practices for AI features as you do for Google Search overall: making sure the page meets the technical requirements for Google Search, following Search policies, and focusing on the key best practices, such as creating helpful, reliable, people-first content.
And the tools we introduce in this post help you exactly to better optimize for users, google, and fur sure, AI search results, too.
From on-page SEO optimization and keyword tracking to backlink monitoring and technical audits, these tools can boost your visibility in search results without spending a cent.
Each option in this list has been tested by thousands of customers, verified for its free capabilities, and recieved a lot of community feedback (including on Reddit threads).
Whether you’re a small business owner, blogger, or solo creator, this guide will help you choose the best SEO tools that actually work in 2025 and improve your website traffic.
1. Seobility: Best Free SEO tool (Also For Technical SEO)
Seobility’s free version is most likely the best SEO software choice for beginners and SMBs for search engine optimisation. With Seobility you can:
- Manage 1 project and crawl up to 1,000 pages.
- Track 10 keywords with daily ranking updates.
- Run a site seo audit every 3 days with actionable recommendations.
Extra Free Tools:
- Keyword Checker
- TF*IDF content tool (3 uses/day)
- Backlink Checker (top links for any domain)
- SEO Checker tool
- SEO Compare tool
- Redirect Checker tool
- SERP snippet generator tool
- SEO Ranking Checker tool
- Keyword Research tool
Pros:
- 1,000-page audit with clear SEO report explanations.
- Built-in rank tracking and keyword difficulty insights.
- Multilingual support (English, German, Spanish).
Cons:
- Daily cap of 5 tool requests.
- Limited backlink analysis (~100 links).
- No direct Google Analytics integration or report exports.
2. Ahrefs Webmaster Tools (AWT): Free Audit & Backlink Checker
Ahrefs is one of the best SEO data sources, and AWT is its generous free version. With it, you can:
- Run a site audit for up to 5,000 pages.
- Access your backlinks, referring domains, and keyword rankings.
- Get ongoing monitoring for technical SEO issues.
- Install the free Ahrefs Toolbar to view metrics directly in search results.
Pros:
- Full audit & backlink data for your own site.
- Organic keyword rankings + positions with keyword difficulty.
- Trusted data source with a huge backlink index.
Cons:
- Requires site ownership verification (via Google Search Console or DNS).
- No competitor analysis (paid feature).
- Data is capped (sample only).
3. Semrush: Free Plan for Keyword Research & SEO Audits
Semrush offers a permanent free trial account with:
- 10 daily searches across Keyword Magic Tool, Backlink Analytics, and Audits.
- Monthly audit of up to 100 pages.
- Position Tracking for 10 keywords (great for local SEO).
Pros:
- Powerful keyword research tool with competitive insights.
- Daily reset encourages consistent SEO work.
- Beginner-friendly interface identical to paid plan.
Cons:
- 10 queries/day limit can feel restrictive.
- Partial results only (e.g., 10 keyword suggestions).
- One project only.
4. Moz Free Tools & MozBar
Moz provides a great entry point with:
- Keyword Explorer (10 searches/month)
- Link Explorer (backlinks & Domain Authority)
- MozBar Chrome extension (on-page metrics, DA, PA)
- Local Listing Score for business directory consistency
Pros:
- MozBar adds instant SEO insights to any SERP.
- Spam Score helps vet backlink quality.
- Great for small business owners and beginners.
Cons:
- 10 queries/month cap.
- Partial keyword/backlink data.
- No ongoing audits or rank tracking.
5. Ubersuggest by Neil Patel
Ubersuggest offers a simple free plan with:
- 3 daily searches for keywords, domains, or backlinks.
- Hundreds of keyword ideas per search with search volume & difficulty.
- Free Chrome extension for keyword metrics in Google search.
- Content Ideas tool showing top competitor pages.
Pros:
- Excellent for long-tail keyword discovery.
- Free mini site audit (~150 pages).
- Backlink overview with Domain Score.
Cons:
- Only top 100 results per search.
- Data can lag behind Ahrefs/Semrush.
- Frequent upsell prompts.
6. Serpstat: Freemium SEO Platform
Serpstat gives 10 free queries/day and access to:
- Domain visibility score & top 5 keywords.
- Small site audit (~100 pages).
- Competitor snapshots & rank tracking.
Pros:
- Clean, modern interface.
- Competitor keyword/backlink data.
- Active community and documentation.
Cons:
- Feels like a demo with aggressive upsells.
- Limited results per query (~10).
- Many advanced features are locked.
Conclusion: What’s the Best Free SEO Tool?
There’s no single winner!
The best choice depends on your needs:
- Use Seobility or Ahrefs AWT for technical SEO audits.
- Use Moz or Ubersuggest for keyword research & content ideas.
- Use Semrush or Serpstat for a taste of full SEO suites with competitor data.
Pro Tip: Combine 2–3 of these tools to cover keyword research, backlinks, and technical SEO, without paying for a premium plan.
By using this curated stack, you can:
- Track rankings
- Fix site issues
- Discover content ideas
- Build a strong SEO foundation
These are hands-down the best free SEO tools in 2025, tested and perfect for anyone serious about growing their search traffic.
Next Steps:
- Pick one audit tool (Seobility or Ahrefs AWT).
- Choose one keyword tool (Moz or Ubersuggest).
- Set a weekly schedule to track progress and fix flagged issues.
This approach builds consistent SEO momentum without breaking the bank.
