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6 free SEO content writing tools for better site ranking

Keyword research done? Then it’s time to put these free SEO content writing tools into action.

With their help, you can sprinkle chosen keywords throughout blog posts and web pages. You can optimise your content, rise higher up Google search results and write stuff that your audience loves to read.

So what free SEO tools are available? What do they do? And what does good SEO content writing actually look like? Scroll down to find out!

What does good SEO content writing look like? 

Let’s start by clarifying what we’re aiming for with SEO content writing. What are the characteristics of good SEO content?

It’s easy to read

Various SEO article writing tools talk about readability.

Your content’s readability is usually expressed as a numerical score. And you get the best possible score when your content is written simply, succinctly and in the active voice.

Short words, sentences and paragraphs get the readability thumbs up. Long sections of text without subheadings get the readability thumbs down. 

Remember that digital writing is very different to the writing we all learnt in school. People skim and scan when they read online. And they’re often reading on small smartphone screens.

Online writers have to respond to this reality, breaking text into manageable, bitesize chunks.

It has a hefty word count

Writing a business blog post? Then aim to explore your topic in depth.

Google wants to provide its users with web pages that provide lots of relevant info. So web pages at the top of search results tend to have the biggest word counts.

According to HubSpot, the ideal blog post length stands somewhere between 2,100 and 2,400 words. If that feels like too big an ask, start with a minimum target of 1,000 words. You can always revisit posts to add extra sections at a later date.

It’s optimised for keywords

So you’ve decided what keywords you want your article to rank for. Including them in all of the right places is important for page SEO. Here are the places you should try to stick them:

  • Page title
  • First sentence or paragraph
  • First H2 subheading
  • Other subheadings
  • Throughout your text
  • Image alt tags
  • Page URL
  • Meta description

Remember that there’s a fine line.

Google will penalise your site (by making it less visible in search results) if it thinks you’re guilty of keyword stuffing. This is where you use your keyword too many times, sticking it in places where it doesn’t really fit.

Good SEO content writing uses related keyword phrases and synonyms. This helps a text to flow naturally and prevents you from repeating the same phrase over and over again. 

It’s relevant and engaging

Google doesn’t just look at keywords when deciding whether your webpage is relevant to a particular search. The search engine is much, much cleverer than it used to be.

It’s on a mission to put relevant and engaging content in front of users. So even if you’ve got keywords in all of the right places, you’re unlikely to nab a SERP top spot unless you write content that your target audience actually wants to read.

To get into Google’s good books, your articles should:

  • Be relevant to the keyword phrases you’ve used
  • Be relevant to the title
  • Be interesting to read
  • Provide real value for a reader

Good SEO content like this sends Google all the right signals.

Your audience clicks on your webpage – and then they hang out on your site for a while too. Google can see that people like your content. So they’ll keep showing it to them.

Which is a really long way of saying, PUT YOUR READER FIRST. And don’t let the technical elements of SEO lower the quality of your writing.

Want SEO content your audience will love? But don’t want to take the DIY route? Check out all of pros and cons of hiring a freelance content writer to find out how a professional writer can help.

What do these free SEO article writing tools help you to do?

As a business owner, SEO expert and copywriter are just two of the many hats you might end up wearing on any given day.

Whether you feel completely chill about writing your own content – or get a total mind blank in the face of a flashing cursor and an empty page – there’s a bunch of free SEO writing tools that can help.  

The tools on this list help with:

  • Readability
  • Synonym ideas
  • Key phrase placement
  • Replacing passive with active voice
  • Making your text more varied and engaging

Sounds good? Then let’s take a closer look…

6 of the best SEO content writing tools (zero £s needed)

Bookmark these SEO copywriting tools and they’ll help you to create better content for your website.

Microsoft Word

This tool is beyond basic. But it does provide some useful readability metrics. And if you’re already using Microsoft Word, it’s handy having an SEO writing tool right there at your fingertips.

You can get info on:

  • Word count (remember, at least 1,000 words will help you get content top spots)
  • The average number of sentences per paragraph (aim for a maximum of three to five)
  • The average number of words per sentence (a maximum of 20 is a good target)
  • The percentage of passive sentences in your text (ideally no more than 10%)
  • Flesch reading ease (aim for a score of 60 or higher)

Look at your scores. Then edit your writing to push them up or down.


Renowned SEO writing tool, Grammarly, offers paid plans. But its free version offers plenty of value for rookie content writers.

Once you’ve signed up for a free account you can review your content for spelling, grammar and punctuation mistakes. It helps you to write with clarity. And identifies any instances of plagiarism too.

Hemingway App

Another of the best SEO content writing tools around. And a very pretty one at that.

Copy and paste – or write content directly into the Hemingway App – and you’ll get a ton of colour coded suggestions for improving your text.

The app highlights hard to read sentences, instances of the passive voice and overly complicated word choices. It also sometimes makes suggestions so you can make quick and easy edits, right there and then.  


Whilst detractors would argue that Yoast is a little too simplistic for today’s SEO landscape, it’s still a useful tool to have on your team. You can get it as a plugin for both WordPress and Shopify.

Working on a traffic light system, with red for poor, amber for average and green for good SEO content, Yoast offers actionable insight. Use its recommendations to include keywords in all of the right places – and improve readability too.

Answer the Public

This SEO content writing tool is really useful if you’ve run out of blog title or synonym ideas. Simply enter a keyword and Answer the Public will generate a huge number of related search terms. Sign up for a free account and you can do three searches per day for free.

Keyword Density checker

Worried that you’ve gone overboard with your keywords? Then cut and paste your content into this keyword density checker.

It will tell you how many times you’ve used a particular keyword phrase. Based upon total word count and keyword instances, it also gives you a keyword density percentage.

Aim to keep density for long tail keywords at around 1-2%. And try not to go too far above 3% for shorter keyword phrases. 

A final note on the use of SEO content writing tools

Use these SEO content writing tools and you’ll definitely improve your digital writing.

You’ll spot and correct glaring mistakes. Your content will become more concise and well-structured. And – with on point SEO – you should see your pages rising up search engine rankings.

But…a word of warning.

These free SEO writing tools are clever. But they aren’t infallible. They definitely don’t understand your target audience as well as you do.

A target audience of medical professionals, for example, can cope with terminology that the average person may struggle with. In fact, they’d find it pretty weird if you started saying heart studies instead of cardiology, just because it brings your syllable count down and improves your Yoast readability score.

So use common sense. Look at the insights and scores provided by these SEO writing tools. But let customer interaction, commonly asked questions and the performance of previous content inform your writing too.  

In doing so, you’ll craft the type of gold dust content that speaks to your target market and reaches SERP top spots.

Need a little extra help with SEO content writing?

SEO writing tools can prove very useful. However, all of the above presumes that:

a) you have the time to write content for your business

b) you quite like writing content for your business

If either of these statements fails to ring true, then working with a freelance SEO content writer (like me!) will save you a huge amount of time and effort.

You get to focus on big picture stuff. I write blog posts and website copy sure to impress Google – and your customers.

Interested in working together? Then get in touch. We can chat about your company, customers and content requirements – and I’ll send over a quote.

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