• Home
  • Tools

12 Best On-Page SEO Tools in 2024 (Free and Paid)

Some of the best on-page SEO tools include Google Search Console, SEO Checker, FAQFox, and more! Learn more about these tools and view the full list below!
Last Updated March 28, 2024

Performing on-page search engine optimization (SEO) ensures your site’s internal elements can improve your visibility in search results. This task involves optimizing various elements, including content, meta tags, and page load speed.

The best on-page SEO tools can help audit your site and do these optimizations. Keep reading to learn more about on-page SEO and find the best on-page SEO tools for your site.

What is on-page SEO?

On-page SEO is the process of optimizing on-site elements to improve your ranking in search engine result pages (SERPs). These elements include the following:

  • On-page content (including images)
  • Keywords
  • Links
  • URLs
  • Website structure and security

The goals of an on-page SEO strategy are to:

  • Improve your site’s relevance among your target audience
  • Provide helpful content to your audience
  • Increase your site’s visibility in SERPs

12 best on-page SEO tools marketers can use

Because on-page SEO involves analyzing, auditing, and optimizing various site elements, you may need more than one tool, depending on your needs. There are, however, SEO tools that can perform multiple tasks.

The table summarizes each tool’s details, such as pricing and what they’re best for.

Tool Best for Pricing
Google Search Console Measuring your site’s search performance Free
SEO Checker Analyzing your site’s on-page SEO elements Free
FAQFox Content idea generation for a topic you enter Free
GTmetrix Analyzing your page elements’ loading behavior Starts at $4.25 per month (free limited version available)
WebFX’s Google Preview Tool Checking your page’s meta title and description Free
Gumlet Image optimization Starts at $10 per month (free limited version available)
Crazy Egg Generating heatmaps to understand and improve your site’s user experience $49 per month (30-day free trial available)
Hotjar Understanding your site visitors’ behavior on-site and capturing recordings $32 per month (free limited plan available)
Keyword Surfer Keyword research Free
Ahrefs Broken Link Checker Discovering broken links on your site Ahrefs suite of tools starts at $99 per month (free limited version available)
Moz’s Domain Authority Checker Estimating your site’s domain authority and comparing it with your competitors’ Moz’s suite of tools starts at $99 per month (free limited version available)
Readability Test Measuring your copy or page’s readability Free


1. Google Search Console

Google search console homepage

Pricing: Free

Key features:

  • Search analytics report
  • Site security and privacy issue detection
  • Core Web Vitals report

Google Search Console is a free SEO tool that can perform multiple optimization tasks for you, including on-page ones.

It can measure your site’s search traffic and performance, enabling you to understand what online users are searching for and which queries are driving traffic to your site. This free on-page SEO tool can also help you optimize content with search analytics.

Ensuring your site is secure is also part of on-page SEO. Google Search Console can alert you of security and privacy issues it detects.

Google Search Console also has a Core Web Vitals report, which informs you of your site’s:

  • Page load speed
  • Mobile responsiveness
  • Stability

2. SEO Checker

SEO.com SEO Checker

Pricing: Free

Key features:

  • Audit report of your website’s overall SEO health
  • Site speed analysis
  • Metadata analysis
  • Security analysis

Our SEO Checker is an SEO audit tool that looks at your website’s overall health. A handy free SEO tool that can inform your on-page strategies, it generates a report that looks at your site’s:

  • Content
  • Metadata
  • Mobile-friendliness
  • Domain
  • Security

It summarizes your site’s SEO health and identifies on-page and technical SEO issues. SEO Checker also provides suggestions and fixes to address these issues.

3. FAQFox

FAQFox homepage

Pricing: Free

Key feature: Content idea generation for a topic you enter

Writing helpful content that showcases your Experience, Expertise, Authoritativeness, and Trustworthiness (E-E-A-T) on the subject matter is an excellent way to attract online users and gain Google’s trust. After all, Google uses E-E-A-T to evaluate a page’s quality.

WebFX’s FAQFox is one of the free on-page SEO tools that you can use to generate content ideas for your blog. It scrapes the Internet for questions that your audience might be asking in forums or searching online.

4. GTmetrix

GTMetrix homepage

Pricing: Starts at $4.25 per month (free limited version available)

Key feature: GTmetrix score, which measures your page load speed and performance

Find out your page load speed with GTmetrix, a freemium on-page SEO tool that tells you your site speed and more.

The free version gives your site a GTmetrix grade, which reflects your page load speed for users and performance. In addition, it also analyzes your site’s web vitals and identifies areas for improvement.

Its waterfall chart feature visualizes your site’s loading behavior to see the order in which your site components load.

5. WebFX’s Google Preview Tool

WebFX Google Preview Tool

Pricing: Free

Key feature: Provides users a preview of a page’s meta title and description

On-page SEO includes optimizing your page’s meta title and description to immediately inform users and search engines what your page is about.

WebFX’s Google Preview Tool shows you what your live page’s meta title and description look like in SERPs. If you see that they’re cut short, you can rewrite them to fit the character limit.

This free on-page SEO tool also lets you type in a page meta title and description to preview what they’ll look like so that you can publish optimized meta tags for your page.

6. Gumlet Image Optimization

Gumlet website

Pricing: $49 per month (30-day free trial available)

Key feature: Image optimization

Improving your site’s on-page SEO involves optimizing your images. That’s why next on our on-page SEO tools list is Gumlet’s Image Optimization Report, a tool that lets you check the sizes of your site images.

This on-page SEO tool also provides recommendations for improving your site speed by optimizing your images. The report you get also details your images’ total file size before and after optimizing them.

7. Crazy Egg

Pricing: $49 per month (30-day free trial available)

Key feature: Heatmaps to improve your site’s user experience

Crazy Egg is another tool you can use for on-page SEO. It generates a heatmap report that informs you which parts of your pages are attracting your site visitors’ attention.

This tool enables you to understand your visitors’ experience on your page. Are they clicking on-page elements that are not links? Are your call-to-action buttons prominent enough and placed optimally?

This tool answers these questions and provides details like a page’s scroll depth.

8. Hotjar

Hotjar website

Pricing: $32 per month (free limited plan available)

Key feature: Recording user behavior on your site

Hotjar lets you visualize your visitor’s behavior on your site. Like Crazy Egg, Hotjar shows where your site users move and click.

It also tells you their scroll depth. As a result, you can better understand their interaction with your pages and optimize their experience on your website.

Hotjar also has other tools you can pair their heatmap with. Recordings enable you to view a real user’s session on your page.

What are they clicking? How far down did they scroll? You’ll also observe rage clicks, which show users getting frustrated.

You can also pair the heatmap tool with its survey feature, which lets you create an exit survey to ask users why they leave the page.

9. Keyword Surfer

Keyword Surfer

Pricing: Free

Key feature: Provides related keyword suggestions and keyword data

Keyword research is an essential first step in your on-page SEO and overall SEO strategy. Keyword Surfer is one of the best on-page SEO tools for this job.

It’s a Chrome browser extension that provides keyword data in the SERPs. It also shows you other keywords related to the one you used, thus growing your list of other keywords for your site.

10. Ahrefs Broken Link Checker

Ahrefs Broken Link Checker tool

Pricing: Ahrefs suite of tools starts at $99 per month (free limited version available)

Ahrefs has a full suite of SEO tools — from keyword research to competitor analysis.

One of its free tools is the Broken Link Checker. Its powerful link checker has indexed more than 300 billion pages online.

This handy tool helps you discover pages on your site that lead users to 404s, affecting user experience. The free version shows you the page, anchor text, and broken links so you can fix them.

11. Moz’s Domain Authority Checker

Moz Domain Authority Checker tool

Pricing: Free version available

Key feature: Estimates your site’s domain authority and compares it with your competitors

Moz has a suite of SEO tools, including its Domain Authority Checker.

Domain Authority (DA) is a search engine ranking score from 0 to 100 that Moz created. It estimates how likely a site is to rank in SERPs.

DA considers various factors and is technically not a Google ranking factor. However, it’s a handy quantitative score that gives you an idea of how well your site compares to your competitors regarding authoritativeness.

Moz’s Domain Authority Checker also provides you with your site’s:

  • Top ranking keywords
  • Keywords with estimated clicks
  • Top featured snippets
  • Top competitors and their DA

These details provide valuable insights for your on-page SEO strategy.

If you’re not a fan of Moz, consider Ahrefs as a paid Moz alternative. You can learn more about how these two platforms compare in our Ahrefs vs. Moz breakdown.

12. Readability Test

Readability Test tool

Pricing: Free

Key feature: Calculates your copy or your page’s readability

Imagine you’re a cat owner searching the web for information about safe and toxic vegetables for your pet. You land on an abstract of a scientific paper that measures the toxicity of certain vegetables for cats.

The page isn’t very readable and helpful for non-scientists like you, right?

This is why a WebFX’s Readability Test comes in handy. One of the best free on-page SEO tools you can use, it calculates your copy or your page’s readability using the following indicators:

  • Flesch Kincaid Reading Ease
  • Flesch Kincaid Grade Level
  • Gunning Fog Score
  • Coleman Liau Index
  • Automated Readability Index (ARI)
  • SMOG Index

When your pages’ readability matches your target audience’s readability level, they’ll find the content easy to read and helpful. The result is an excellent user experience on your site, which is essential for on-page SEO.

If a user finds your content difficult to read, they’ll click away and look at another online resource that’s easy to read.

Use the best on-page SEO tools today

On-page SEO includes various optimization tasks to provide an excellent user experience for your audience. If you need help with your overall SEO strategy, contact our SEO.com team today!

Let’s Drive Results Together Green Arrow