11 Best On-Page SEO Tools to Optimize Your Website in 2025

You know that number one spot on Google you’ve been eyeing for months? On-page SEO is how you get there. It’s where you put your keywords, what your content looks like, and how you optimize for mobile. On-page is also about internal links, metadata, URLs, and more.

Does any of this still matter? 100% YES. It matters more than ever.

In a recent study, 91% of respondents said that SEO positively impacted their website performance and marketing goals in 2024. On-page SEO plays a huge part in that because it affects ranking signals that you can actually control. Content quality and relevance, for instance.

Now, I don’t know if you know this, but the time of zero-click search is upon us. To compete with AI, old-school googling must provide the right answers really fast. That’s why Google’s ongoing core updates favor experience—content clarity, page speed, usability, and EEAT:

• Experience
• Expertise
• Authoritativeness
• Trustworthiness

Guess who’s in charge of that? It’s you and your on-page SEO tool.  

So, let’s help you find the best one you can get. This article breaks down 11 of the top-ranked on-page SEO tools you can use in 2025 to keep your site sharp, fast, and optimized for users and search engines. It covers all use cases and includes solutions for every budget, including free on-page SEO tools if you’re just starting out.

First, we’ll talk about what makes a good on-page SEO tool and get familiar with its key functionalities. Then, we’ll explore standout features, freemiums, and ideal scenarios for each tool so you can find the right fit for your workflow. I’ll then share some tips on how to use it. 

Let’s do this. 

What Makes a Good On-Page SEO Tool?

SEO works only if you fully commit to it, so having a reliable SEO tool really helps. Think long, stressful workdays and sleepless nights. You don’t want to spend months pulling up data from a tool that doesn’t get you and is difficult to work with. You have one chance to get it right.

So, here’s what a good on-page SEO tool gives you, no questions asked:

• First up, page-level audits. This is where it all begins. You want a tool that can scan any URL and give you a clear scorecard—what’s working, what’s not, and what to do next. 
• Then comes title, meta, and header optimization. These are the first things search engines and users see. The tool should flag missing or weak tags and help you tweak them. 
• Keyword placement scoring is a must. It’s not just about whether the keyword is there; it’s about where it is. In your H1? First 100 words? Alt tags? The right tool will tell you. 
• Internal linking suggestions earn bonus points. Google loves a well-linked site, and tools that show you where to add links (or fix broken ones) can get you to your sweet spot.
• Don’t forget image optimization. That means checking for alt tags, file sizes, and lazy loading. This is especially important if visuals are a big part of your content strategy.
• Now, mobile UX and speed are becoming make-or-break ranking factors. Which means, your tool should show mobile performance issues and Core Web Vitals in plain English.
• Exportable reports matter, too, especially if you’re working with clients or teams. Being able to share insights with a click saves time and helps you build trust and confidence.
• Should you also look for AI insights? Why not? If the tool uses AI to predict fixes or generate suggestions, even better. Smarter SEO insights translate to faster SEO results. 

Let me tell you: many SEO tools just throw data at you and leave you to figure it out. What you actually need is a tool that helps you take action. Luckily, you’re in the right place.

Top 11 On-Page SEO Tools in 2025 

Here we go. This is my ultimate on-page SEO tools list for 2025:

1. Rankioz On-Page SEO Tool

At Rankioz, we bonded over our common frustration with SEO checkers that spit out vague scores and generic fixes. We wanted something that works specifically for us, so we built Rankioz. But here’s the twist: it also adapts to your site, your content, and your goals. You may be just fixing your first page or optimizing your 500th, it will still give you exactly what you need.

In addition to an on-page SEO tool, keyword research, and content optimization, Rankioz also includes website analytics and a link checker, as well as competitor analysis. No flipping between tools. Just a smart, responsive dashboard that tells you what to do next and why. 

Free Version

You can use Rankioz with no strings attached during your 7-day free trial.

Key Features for On-Page SEO

• Page-level SEO audit with real-time content scoring
• Meta title, description, and header tag suggestions
• Keyword research with placement and density scoring
• Internal and external link checker
• Content optimization guidance based on top competitors
• Built-in analytics to track ranking performance

Best for

Content markets, freelancers, and SMBs looking for a customizable tool with accurate data and real-world usability. 

Pros

• Combines content scoring, technical fixes, and link insights in one
• Competitor data baked right into your audit
• Clear suggestions, no SEO jargon
• Built to grow with your skill level and strategy

Cons

No freemium per se, but you can use a free trial with no commitment 

Rankioz combines technical audits, content scoring, and internal linking tips—all in one tool. Try it free today and improve your rankings.

2. Rank Math (WordPress Plugin)

Are you one of the 800 million (so wild!) proud owners of a WordPress site? Then it’s a good chance you’ll get along well with Rank Math. It is one of the most powerful and user-friendly on-page SEO tools out there, jam-packed with automation, smart insights, and built-in integrations. What makes it stand out is how easy it is to use—it transforms the on-page SEO grind into a flow. 

Free Version

Yes, there is a free version, but it is very limited. 

Key Features for On-Page SEO

• Real-time content analysis and keyword scoring
• Title tag and meta description optimization
• Schema markup support (rich snippets)
• Internal link suggestions
• Redirection manager and 404 monitoring
• Image SEO with alt tag automation
• AI-generated suggestions (in the Pro plan)

Best for

Freelancers, content marketers, SMBs, and WP users who want a clean, intuitive interface but don’t want to sacrifice power. 

Pros

• Lightweight and fast, even on large sites
• Extremely beginner-friendly, but scalable
• Integrates seamlessly with Elementor, WooCommerce, and Google Search Console

Cons

• Only works on WordPress
• Most features are locked behind the Pro version
• AI features are helpful, but still early-stage

3. Yoast SEO

Yoast SEO is the original go-to for WordPress SEO that’s been going strong since the 2010s. You might recognize its red, yellow, and green indicators that help optimize content as you write it. Its feature list and real-time optimization assistance make it perfect for content creators who want to tick all the SEO boxes without overthinking it, no matter how experienced they are.

Free Version

Yes, there is a good free version of Yoast SEO that’s limited to one focus keyword per page and provides basic guidance for SEO analysis. Internal linking suggestions, AI functionality, and third-party integrations are not included. 

Key Features for On-Page SEO

• Real-time readability and SEO scoring
• Title, meta, and header optimization
• Keyword usage and placement checks
• Canonical URLs and breadcrumbs
• Structured data blocks for rich results
• XML sitemap generation
• AI-powered title/meta suggestions (Premium)
• Exportable SEO reports (Premium)

Best for

Freelancers, bloggers, and SMBs using WordPress who want a dependable, no-fuss SEO tool. 

Pros

• Beginner-friendly with clear visual feedback
• Excellent support for schema and metadata
• Strong on-page scoring system
• Covers Core Web Vitals and mobile usability alerts via integrations
• Works well with Gutenberg and block-based editors

Cons

• Internal linking suggestions and advanced features require Premium
• Can feel rigid if you prefer flexibility over structured scoring
• Interface hasn’t evolved much in recent years

4. Surfer SEO

Surfer SEO combines data-driven precision with content creation. And it doesn’t just tell you what’s wrong; it shows you exactly how to fix it. This is a really good tool if you need to optimize your keyword frequency, content structure, and word count. It’s built primarily for committed SEOs who won’t stand for competition and writers eager to deliver good old evergreen content. 

Free Version

Except for a handful of tools for writing and marketing, such as AI content and idea generators and text humanizers, Surfer doesn’t offer any SEO functionalities for free. 

Key Features for On-Page SEO

• Page-level content editor with real-time optimization score
• Keyword placement scoring and frequency analysis
• Title, meta, and header recommendations based on top-ranking pages
• Internal linking audits and suggestions (Grow Flow)
• Image use and alt tag optimization tips
• Content structure benchmarking (headings, length, NLP terms)
• Exportable content briefs and reports
• AI content and outline generation (Surfer AI, paid add-on)

Best for

Agencies, content marketers, and SEO pros focused on competitive content and ranking improvements.

Pros

• Extremely actionable, SERP-driven recommendations
• It’s perfect for scaling rankable content
• AI tools that speed up content planning
• Tracks real-time improvements in optimization score
• Internal linking suggestions built into the workflow

Cons

• There’s no free version or trial
• It can feel overwhelming without SEO knowledge
• AI features cost extra and aren’t always tone-accurate

5. Semrush On-Page SEO Checker

If you know anything about SEO, the name Semrush must ring a few loud bells. But right now, I don’t want to talk about its flagship all-in-one SEO tool that everyone’s heard of. I have a lesser-known tool by Semrush in mind: On-Page SEO Checker. It analyzes your pages against top competitors and gives you personalized, data-backed tips to improve rankings, relevance, and UX.

Free Version

Yes, but it’s limited to a single project and tracks only 10 keywords. 

Key Features for On-Page SEO

• Page-level audits with priority task lists
• Title, meta, and header tag improvement suggestions
• Keyword usage, placement, and semantic keyword recommendations
• Internal linking ideas based on content clusters
• User experience insights from Core Web Vitals
• Exportable, shareable reports
• AI-driven optimization suggestions via ContentShake (add-on)

Best for

Agencies, technical SEOs, and content teams who want optimization and strategy under one roof. 

Pros

• Excellent competitor-based benchmarks
• Combines technical and content SEO in one place
• Helpful for prioritizing high-impact changes
• Shareable tasks and reports for team workflows

Cons

• The free plan is too limited for serious use
• It’s not very intuitive for beginners
• Full features are tied to the broader Semrush subscription, which isn’t cheap

6. Ahrefs Site Audit

Ahrefs Site Audit is usually applauded for its backlink-building skills, but it’s actually so much more than that. It’d call it a full-blown technical and on-page SEO scanner with a doctor’s degree in what’s holding your site back. It crawls your site like a search engine and flags 170+ SEO issues from broken links to missing meta tags, helping you get clean, super-fast pages in a few clicks. 

Free Version

Yes, the basic version of Site Audit is free with Ahrefs Webmaster Tools (AWT).

Key Features for On-Page SEO

• In-depth page-level SEO audits
• Title, meta, and heading tag analysis
• Internal link reporting and orphan page detection
• Image optimization checks (missing alt text, large files)
• Mobile UX and Core Web Vitals integration
• Crawl depth, page speed, and HTML structure analysis
• Exportable reports with task grouping
• Custom filters for AI-style issue triaging

Best for

Technical SEOs, agencies, and in-house teams managing large or complex websites. 

Pros

• All-around technical and on-page issue detection
• Great for identifying hidden errors across big sites
• Internal linking and crawl health insights
• Highly customizable filters and reporting options
• Constantly updated with new crawling features

Cons

• Not focused on content optimization 
• It can overwhelm beginners with data density

7. Screaming Frog 

It’s no secret that I love Screaming Frog—but so many SEOs do. It’s the ultimate go-to for all of us who want full control and raw crawling power. It is your personal search engine bot that scans your entire site for technical and on-page issues, but also the SEO guru who helps you resolve all unwanted drama. If you’re the kind of person who likes to dig deep, this one’s for you. 

Free Version

Yes, the free version of Screaming Frog crawls up to 500 URLs with mostly unlimited features. I know many SEO pros who still haven’t paid a cent to use it. 

Key Features for On-Page SEO

• Full site and page-level audits
• Title, meta, header tag checks (with length and duplication flags)
• Keyword-in-title and header matching
• Internal linking maps and anchor text breakdowns
• Image file size and alt tag analysis
• Page speed and Core Web Vitals via Lighthouse integration
• Mobile-friendliness and crawl depth reporting
• CSV/Excel export for advanced sorting and task management

Best for

Technical SEOs, developers, and in-house teams managing large or complex sites. 

Pros

• Unmatched crawling depth and data access
• Excellent for large-site diagnostics
• It pinpoints hidden on-page issues at scale
• Can be fully customized with filters, crawl settings, and API integrations

Cons

• There’s a steep learning curve
• No visual content editor or beginner guidance
• Interface feels dated compared to modern tools

8. PageSpeed Insights

PageSpeed Insights comes straight out of Google’s headquarters to help you measure what Google cares about most: load speed and user experience. It breaks down your page performance across mobile and desktop, which is a huge plus, then tells you exactly what’s slowing things down. It’s a cheat sheet for perfecting your Core Web Vitals and making sure nothing lags behind.

Free Version

Yes—PageSpeed Insights is completely free to use. 

Key Features for On-Page SEO

• Core Web Vitals analysis (LCP, FID, CLS)
• Page load diagnostics for mobile and desktop
• Optimization suggestions (image compression, unused code, server response)
• Cumulative layout shift and interactivity scores
• Field data and lab data comparison
• Lighthouse-powered performance audit
• Accessibility and best practices scoring
• Exportable reports

Best for

Good for anyone who’s focused on UX, speed, and pleasing Google—so, everyone in SEO. 

Pros

• 100% free and easy to use
• Actionable suggestions straight from Google
• Integrated mobile-first metrics 
• Highlights issues affecting SEO and user retention
• Integrates with other Lighthouse-based tools

Cons

• Doesn’t cover broader SEO elements like keywords or metadata
• Known to flag issues without offering fixes
• Reports may feel overly technical for non-devs

9. SEOlyzer

SEOlyzer helps you understand how search engine bots interact with your pages. But it doesn’t just crawl your site from the outside. It analyzes crawling logic by looking at your server logs and gives you a clear picture of indexing behavior, crawl priorities, and technical errors. It’s a simple, but clever and extremely useful tool that knows exactly how Googlebot thinks and sees sites. 

Free Version

Yes, you can use SEOlyzer without paying for it, but there will be limitations.  

Key Features for On-Page SEO

• Real-time server log analysis to track how bots crawl your pages
• Detection of 4xx/5xx errors, redirects, and crawl waste
• Page speed tracking and load time reports
• Internal linking structure insights
• Content categorization to find under-optimized pages
• URL segmentation by bot, status code, or path

Best for

Technical SEOs, developers, and large-site owners who want deeper crawl visibility than standard audit tools can provide. 

Pros

• Real-time bot behavior tracking from server logs
• Identifies thin content, crawl waste, and redirect chains
• Filters by bot, response code, status, or URL structure
• Excellent for monitoring how on-page changes impact crawlability

Cons

• Requires log file access and setup, so it’s not beginner-friendly
• Interface feels clunky compared to newer cloud SEO platforms

10. SEOptimer

SEOptimer is a beginner-friendly website auditing tool with clean, actionable reports. It’s very thorough at that: it helps you check SEO, usability, performance, and mobile optimization. If you want fast insights, but you get easily overwhelmed with data, this tool is a solid pick. The interface is minimal, but it covers essentials well enough for SMBs, consultants, and non-technical marketers. 

Free Version

No, but there is a 14-day free trial for all plans.

Key Features for On-Page SEO

• Page-level SEO audit with clear scoring
• Checks for meta titles, descriptions, headers, and keyword usage
• Internal link analysis and broken link detection
• Image alt tag presence
• Mobile usability and load speed evaluation
• Exportable white-label PDF reports
• Basic AI-powered suggestions for improvements

Best for

Freelancers, SMBs, digital agencies, and marketers who want reports they (and their clients) can understand. 

Pros

• Simple and fast audits with easy-to-follow action items
• Includes mobile UX and speed checks
• Great for creating branded client reports
• Covers key on-page basics without overcomplicating

Cons

• Limited crawl depth for advanced technical SEO users
• Fewer integrations or data layers compared to more robust tools 

11. Moz On-Page Grader

You’re having keyword problems? Moz On-Page Grader can help you evaluate how well your pages are optimized for specific search terms. It can also tell you how to improve your keyword usage. As expected, it’s tightly integrated with the Moz ecosystem, so it’s most useful to SEOs already using Moz Pro. All in all, this is a great tool for creating relevant, well-structured content. 

Free Version

No, but you can try it out for free for 30 days. 

Key Features for On-Page SEO

• Keyword targeting and placement scoring
• Optimization suggestions for titles, meta descriptions, and headers
• Page content analysis for keyword density and readability
• Internal link evaluation
• Mobile-friendliness and page speed checks
• Exportable reports for performance tracking

Best for

Moz Pro users, freelancers, and small teams looking to optimize content without a steep learning curve. 

Pros

• Simple interface with specific keyword-focused grading
• Strong guidance on improving relevance and keyword optimization
• Part of the wider Moz toolkit (great if you already use it)
• Clean, exportable reports

Cons

• Not as detailed or technical as competitors like Surfer or Screaming Frog
• Only available via Moz Pro subscription—no standalone free version

Comparison Table

Now, let’s put these tools side-by-side and see how they stack up:

How to Use On-Page SEO Tools Effectively 

The way you use your on-page SEO tool makes a world of difference. Let me show you how to make the most of it. Here’s how to turn on-page SEO insights into real results:

Step 1: Run a Scan

I always start by scanning my entire website or the key pages I want to boost. With the right tool, the scan reveals everything that needs to be fixed, like broken links, missing metadata, keyword gaps, and technical glitches. Don’t skip this step. It’s your SEO health checkup. 

Step 2: Fix Technical Issues

Once I have the scan results, I tackle the technical stuff first. That usually means broken links, duplicate content, slow-loading pages, and crawl errors. Taking the time to fix these issues may seem like splitting hairs, but do it anyway. If ignored, they will take down your rankings.

Step 3: Improve Content Relevance

Next, I dig into content. I use my tool to analyze keywords and get optimization tips that make content better aligned with what my audience is searching for. Don’t rush this process. The more relevant your content, the more Google will trust your page, and the higher it climbs.

Step 4: Check Speed & Mobile Friendliness

Don’t forget mobile users—there are literally billions of them now. Make sure your pages load fast and look great on all devices. That’s why it’s important to pick a tool with a mobile audit that highlights problem areas and recommends quick and actionable ways to fix them. 

Step 5: Use Tool Reports to Create an Action List

Most on-page SEO tools generate detailed reports, which I find very useful. I turn them into clear action lists with priority optimization tasks that keep me focused on what matters most. Doing this also allows you to track your progress and get a general sense of your SEO health. 

Ready to roll up your sleeves? Rankioz delivers a custom checklist for every page on your site, tailored to your goals and current performance. You can run your first scan now. 

Free vs Paid On-Page Tools 

Free on-page SEO tools are great if you’re just starting out, so don’t be too proud to use them. There’s also no need to feel scared as long as you always run a quick research. Frequently used SEO tools by Google and other reputable freemiums are perfectly reliable and safe. 

Even professional SEOs use these free on-page SEO analysis tools:

• Google Search Console helps with indexing and page performance insights
• Yoast SEO gives you real-time optimization suggestions for WordPress sites
• PageSpeed Insights shows you when your site’s loading speed needs a boost

Unfortunately, most free on-page SEO tools don’t offer important features like keyword placement scoring, content grading, or competitor benchmarking. And if you actually want to outrank someone instead of just showing up, you won’t be able to do it without them. 

This means you cannot ignore pricing when choosing your tool. 

Paid on-page SEO tools like Semrush and Ahrefs can be expensive, but Rankioz gives you a full suite for only $30 per month. For the price of a basic plugin, you get tailored recommendations, content scoring, and a peek into what top-ranking competitors are doing differently. 

AI in On-Page SEO Optimization 

There’s no denying it: AI is the first serious disruptor in the SEO space. But let’s not get it all backwards. AI search won’t kill SEO; it will only change it. You can already see it happening. Instead of manually digging through data, AI-powered tools now generate instant insights.

Natural Language Processing (NLP) is a key part of this. It helps tools understand context, relevance, and tone. And this is brilliant because it not only helps your content rank but also answers search intent. Tools like Surfer, Semrush, and Rankioz are already using it for good. 

Rankioz, for instance, delivers AI-driven keyword scoring and content auto-suggestions that adjust to your target audience and competitors. So whether you’re optimizing a blog post or a product page, the tool helps you strike the right balance between readability and SEO.

Use Cases: What On-Page SEO Tool Is for You?

On-page SEO tools are built for every kind of user, at every level.

• If you’re a beginner doing your first audit, you need a simple scan to help you dig up broken links, missing meta tags, and keyword gaps without needing to look deep at the source code. Rankioz can even generate a custom checklist, so you know where to start. 
• Running an agency? Go with Semrush or Surfer SEO. These tools streamline bulk audits, track changes over time, and generate professional reports that show clients how your optimizations are paying off. You can also compare URLs and monitor your competitors. 
• Bloggers love Yoast (for WP users) and Rank Math. Both tools have real-time readability and SEO feedback as you write. If you need deeper on-page analysis, try Rankioz. It optimizes content structure, headings, and keyword placement without overcomplicating things. 
• If you’re a local business, tools like BrightLocal and PageSpeed Insights are the best fit. They can help you fine-tune service pages for location-based keywords, mobile usability, and fast load times. Rankioz also has local keyword scoring, and it won’t burn your budget. 

FAQ About Best On-Page SEO Tools 

What Is an On-Page SEO Tool?

An on-page SEO tool helps you optimize your site’s individual pages for better search engine rankings. They do that by checking content, metadata, keywords, links, speed, and mobile UX—all the stuff that Google looks at when ranking websites. 

Are Free SEO Tools Enough to Improve Rankings?

Free SEO tools like Google Search Console, Yoast SEO, and PageSpeed Insights are a solid start that can help you fix the basics. But if you want to compete with top-ranking websites, you need deeper insights from paid tools, like keyword scoring, competitor data, and content analysis. 

Do These Tools Improve Rankings Automatically?

No. On-page SEO tools can’t improve your rankings automatically, but they show you what to fix in order to get there. But don’t worry—the best of them are made to be user-friendly and help beginners DIY their SEO without a steep learning curve.

Which Tool Is Best for Beginners?

Rankioz is a fantastic on-page SEO tool for beginners. It comes with a guided checklist and a clean UI that’s easy to read and understand, even for non-experts. Yoast SEO is a solid option for WordPress users. 

Start Turning Insights Into Rankings Now

The hard truth is: only authentic, expertly written, and polished-to-perfection content will be considered for top spots on Google in 2025. And that probably won’t be enough, anyway. To win the competition, you are going to need both smart on-page optimization and quality content. 

Luckily, there’s a tool for both. Start by picking one or two that match your workflow and goals. Bloggers might lean on Yoast or Rank Math. Agencies may prefer Surfer and Semrush. And if you’re looking for an all-around page optimization with custom checklists, Rankioz is a sweet pick.

Ready to move from wishful thinking to actual results? Then start working on your site’s internal linking, strong headings, keyword placement, mobile UX, and load speed. Right now.

Need a faster way to optimize your pages? Try Rankioz free and see what’s holding your SEO back.