Best On-Page SEO tools: FREE and Paid

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Without proper on-page SEO, you’ll never rank; Google won’t understand your site, no matter how good it is.

And to make things worse, going and changing blog posts after you have written them – is VERY inefficient.

But we’re not going to let it come that: This article is a complete list of all the best on-page SEO tools, including both FREE and paid options.

This list features:

  • Tools that will help you optimize your article
  • Tools that will ensure you don’t have duplicate content
  • Tools that will help you find changes you need to make for a better user experience.

Best on-page SEO tools: Paid

We’ll start with the paid tools because they’re the ones that are much more likely to get you results.

This list will not be huge because you only need 1 or 2 tools to optimize your content perfectly.

Best On-Page SEO: Premium Tools

I first wanted to walk you through my preferred paid tools for on-page SEO.

1 SurferSEO (Best Overall)

Best On-Page SEO tools

SurferSEO is the best on-page SEO tool overall.

I say this because it gives you the most information while breaking it down into actionable steps.

SurferSEO will give you:

  • The headings you need to use
  • The terms that you need to use
  • Natural Language Processing (NLP) Guidance

And whenever you use the right headings/terms in the content, it will count it for you – as seen in the screenshot below.

Besides, Surfer will also give you detailed guidance on headings, word count, paragraphs, and images.

The way SurferSEO figures this out is by looking at your competitors who are already ranking and what they’ve done.

Additionally, Surfer also has some other tools that will help you with:

If you would like to try SurferSEO, you can click the button below to check out their 7-day FREE trial.

2 Audiit (Best Value For Money)

Audiit is the second-best on-page SEO tool, and it does something very similar to Surfer; check what your competitors that are already ranking have done.

The difference is that it creates a report and gives you an overview of:

  • The wordcounts of your competitors
  • Where they have used the keyword
  • On the images

From here, you can do something similar (for example, around the average) and have high chances of ranking your content – using standard optimization techniques.

Audiit has a lifetime deal for just $47, which you can get using the button below. For a complete on-page competitive analysis tool, this is a steal.

Copyscape (Best Plagiarism Checker)

Copyscape is the standard way of ensuring that your articles are plagiarism-free, ensuring that you don’t have duplicate content on your website.

It’s also quite affordable, as it works with credits… I think the cost is like 10cents for checking 1000 words.

So if you’re checking 10,000 words a month – this would only add up to $10 per month.

I will also be showing you a free alternative. However, Copyscape is the standard for most SEOs.

Best FREE On-Page SEO Tools

Now that we have looked at the best-paid tools, I also wanted to dive into the FREE ones with you.

Google Search Console

As I’m sure you know, the Google Search Console is FREE, and everyone has access to it – all you need is a Google account.

So, how do we use it for on-page SEO?

  1. You can check that your pages are mobile-friendly
  2. You can check that the meta & schema information is right
  3. You can find your pages where the click-through rate (CTR) is low and improve them.

I know some of the stuff mentioned above is strictly seen as technical SEO, but it’s still pretty important – and very similar.

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Google Analytics

Google Analytics is also a free app provided by Google. The way you can use it for on-page SEO is that you can see which of your pages have:

  • A high bounce rate
  • A low time-on-page

From here, you can look at which of your pages are performing poorly in the metrics mentioned above.

Then, you can go onto changing them to improve conversions and the user experience.

Rank Math SEO or Yoast

Rank Math SEO or Yoast are both on-page SEO plugins for WordPress.

What they do: Their main feature is to act as a checklist before you publish your post. However, don’t take all of the suggestions too seriously, as they are just guidelines.

Besides, they can also assist you with:

  • Sitemaps
  • Schema
  • And more…

Both Rank Math and Yoast have a free version which you can access from the WordPress plugin store.

If you are going for the free version, I recommend going for Rank Math SEO.


This may sound weird, but Google is one of the best on-page SEO tools. Why?

Because you can instantly see the following keyword:

  • Related keywords in the people also ask section – you can then build these into your content for more relevance and traffic.
  • Search intent guidance – sometimes, you might not be sure on the search intent of a keyword.

Using Google allows you to check the intent that your competitors have optimized for, so you can then consider that when creating your page. Plus, since Google has already ranked them, the chances are pretty high that they got it right.


AnswerThePublic does something similar to the people also ask a section of Google – it basically spits out endless questions that you can use in your content.

  1. This can help you target more keywords.
  2. It can also help you ask more of your audience’s questions

The tool has a free version and comes with 2 free searches per day.


Grammarly is a tool you probably already know that will help you fix the Grammar/Spelling/Efficiency of your content.

Now I know this strictly seen isn’t on-page SEO either, but you need to do this while writing/optimizing your page – so I definitely thought it was worth mentioning.

SmallSEOTools Plagiarism Checker

Finally, we have SmallSEOTools Plagiarism checker. This is a free alternative to Copyscape, which also does the job.

But don’t take it too seriously – if, for example, it says that a sentence is plagiarized and it’s the only sentence in the article… Then this doesn’t mean the whole article won’t rank.

Final Thoughts: Use Your Tools + Your Brain

These tools aren’t meant to do the work for you – you should use them as guidelines.

Let me explain with two examples:

  1. Assume you are using Rank Math, and it tells you to write at least 2000 words because that’s above the average of articles.

However, all the pages ranking in the top 10 only have 500 words – does that mean you need 2000 words?

Probably not.

2. Let’s say you’re writing an article on the best motivational quotes… Copyscape tells you that all the quotes are plagiarized.

Does that mean you should change the quotes?

No, they are QUOTES.

These tools might give you some strange suggestions in certain situations – always check them first, is what I’m saying.

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On-Page SEO Tools: Frequently Asked Questions

Finally, I just wanted to cover some frequently asked questions around on-page SEO tools.

What Are The Best FREE SEO Tools?

The best free on-page SEO tools are:

Why Is On-Page SEO Important?

On-page SEO is crucial as it helps Google and other search engines understand what your site is about. In addition, it helps establish the page’s topic and content, so that search engines can rank it for whatever keyword it’s suited for. So yes, on-page SEO is crucial.

Can I Do On-Page SEO Without Any Tools?

If you have your keyword, you can do on-page SEO without any tools, as long as you analyze the SERP. Just make sure to use my free on-page SEO checklist and ensure you cover all the essential topics that your competitors have written about.

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