What are the best free SEO tools for small businesses in the UK?

I run a small business in the UK and have been trying to improve my website’s SEO without spending too much on expensive tools. There are so many free SEO tools available, but it’s hard to know which ones are actually useful and worth the time.

I’ve tried a few basic tools for keyword research and site audits, but I’m not sure if I’m using the best options or missing out on something better.

What free SEO tools have you used that actually helped your business grow? Any recommendations for keyword research, technical SEO, or tracking performance would be really helpful.

From my three years of experience in the SEO marketing industry, I don’t think you need expensive tools to get started, especially in the UK. I’ve found that a small set of free tools can provide almost everything you need when used effectively.

Google Search Console: This is the first tool I set up on any website. It shows me which keywords my site is ranking for, how many clicks and impressions I’m getting, and if there are any technical issues. Honestly, it’s the most valuable free SEO tool available because the data comes directly from Google.

Google Analytics (GA4): I use this to understand what users actually do on my website—like which pages they visit, how long they stay, and whether they convert. It helps me focus on what brings real business results, not just traffic.

Google Business Profile: For local businesses in the UK, this is a must. I’ve seen that optimizing this alone can bring leads from Google Maps and local search results without spending anything.

Ahrefs Free Tools (Webmaster Tools): I use this mainly for site audits and backlink checks. Even the free version gives a solid overview of technical issues and SEO health.

Google Keyword Planner: For content ideas, I often check what people are searching for and trending topics. These tools help me find keywords without paying for premium tools.

Ubersuggest (Free version): When I need keyword ideas or want to check competitors, I use Ubersuggest. The free version is limited, but it’s simple and useful for small businesses just starting SEO.

Getting started with SEO doesn’t have to be complicated. A few reliable free tools can cover everything you need in the early stage.

• Google Search Console – to track your keywords, rankings, and indexing status
• Google Analytics – to understand your website traffic and user behaviour
• Screaming Frog SEO Spider – to find technical issues like broken links or missing tags
• Google Trends – to discover keyword ideas and trending topics
• MozBar – for quick competitor insights

A good way to begin is by setting up Search Console and Analytics first, then slowly adding other tools as you get more comfortable. Keeping things simple and consistent is usually the best approach for small businesses

When I work on SEO for a small UK business website, I rely heavily on free tools that give me real data instead of guesswork. I don’t treat them as “basic alternatives” to paid platforms, I use them as the core foundation for decisions.

Here is how I personally approach it and the tools I depend on.

Google Search Console for real search performance

This is always the first tool I set up because it shows exactly how Google sees my website.

I use it to:

• Track which search queries bring visitors to my pages

• Identify pages with impressions but low clicks (CTR issues)

• Check indexing problems when pages don’t appear in search

• Submit sitemaps after publishing new content

• Monitor drops in visibility after updates

It is the closest thing to direct feedback from Google, so I treat it as my primary source of truth.

Google Search Console

Google Analytics for user behaviour after clicks

Once visitors land on the website, I use Analytics to understand what they actually do.

I focus on:

• Which pages keep users engaged longer

• Where users leave the site

• Traffic sources that bring the most qualified visitors

• Conversion actions like form submissions or calls

This helps me separate “traffic that looks good” from traffic that actually produces business results.

Google Analytics

Google Keyword Planner for keyword direction

When I plan content, I don’t guess keywords. I use Keyword Planner to see real search demand.

I typically extract:

• Keyword ideas related to my service or niche

• Approximate search volume ranges

• Competition levels for paid search (useful signal for SEO difficulty)

It helps me decide what topics are worth targeting before I invest time in writing.

Google Keyword Planner

Screaming Frog for technical SEO audits

For site structure and technical issues, I run a crawl using Screaming Frog.

I use it to find:

• Broken pages and 404 errors

• Missing or duplicate title tags

• Weak or missing meta descriptions

• Redirect chains

• Pages without proper H1 structure

This gives me a clear list of fixes that directly affect ranking stability.

Screaming Frog SEO Spider

Microsoft Clarity for real user behaviour

This is one of the most practical tools I use because it shows how people interact visually with my website.

I rely on it for:

• Heatmaps to see where users click

• Scroll depth analysis to check content engagement

• Session recordings to find friction points

• Identifying pages where users get stuck or confused

It often reveals issues I would never notice from analytics alone.

Microsoft Clarity

How I combine all these tools in practice

Instead of using them separately, I connect them in a simple workflow:

• Search Console tells me what Google sees

• Keyword Planner tells me what people search

• Analytics tells me what users do

• Clarity shows why they behave that way

• Screaming Frog fixes technical gaps

• Ahrefs tools track long term authority growth

This combination gives me a full picture without needing paid SEO software.

If I had to sum it up in a practical way, I don’t look for “one best SEO tool”. I build a small system using these free tools together so I can make decisions based on data from search visibility, user behaviour, and technical health at the same time.