How to Use a Free SEO Score Checker to Fix On-Page Issues
Every website owner wants to appear at the top of Google’s search results. But ranking high requires more than just good content — your site needs to be technically sound and optimized for both users and search engines. That’s where a free SEO score checker becomes incredibly useful.
An SEO score checker helps identify the strengths and weaknesses of your website. It gives you an overall SEO performance score while pinpointing specific issues that could be affecting your visibility. Most importantly, it highlights on-page problems that you can fix right away to improve rankings.
In this guide, you’ll learn how to use a free SEO score checker effectively to detect and fix on-page SEO issues.
What Is On-Page SEO?
On-page SEO refers to the process of optimizing the elements on your website that you control directly. These include your content, titles, meta descriptions, internal links, and page structure.
Unlike off-page SEO, which deals with backlinks and external factors, on-page SEO focuses on making your site more search engine-friendly from within. The goal is to help search engines understand your content and show it to the right audience.
Common on-page SEO elements include:
Meta titles and descriptions
Header tags (H1, H2, H3)
Keyword placement
Image optimization (alt text and file size)
Internal linking
URL structure
Mobile responsiveness
Content quality and readability
Optimizing these areas can dramatically improve your website’s performance in search results — and a website SEO score checker tool makes it easy to identify where improvements are needed.
Why You Should Use a Free SEO Score Checker
A free SEO score checker is one of the simplest ways to evaluate your site’s SEO health. It scans your pages for common on-page and technical issues, then provides a detailed report with recommendations.
Here are the main benefits of using such a tool:
You can quickly identify errors that impact rankings.
You get actionable suggestions for improvement.
It saves time compared to manual audits.
It helps track your progress as you fix issues.
It’s completely free to use — no paid subscriptions required.
Learning how to check SEO score for free is a valuable skill for business owners, bloggers, and digital marketers who want to optimize their sites without hiring an expert.
How to Check SEO Score for Free
Using a website SEO score checker tool is straightforward. Follow these steps to run your first audit:
Choose a free SEO score checker tool (like SEOptimer, Ubersuggest, or Sitechecker).
Visit the tool’s website and enter your website URL in the search bar.
Click the “Analyze” or “Check SEO” button.
Wait for the tool to scan your website — this usually takes a few seconds.
Review the SEO score and detailed report that appear on your screen.
Most tools rate your site on a scale from 0 to 100. A higher score means your website is well-optimized. The report will also list on-page and technical issues that need fixing.
Understanding the SEO Report
Once you run the scan, your free SEO score checker will generate a detailed report divided into sections. Here’s how to interpret the main parts of the report:
1. Technical SEO
This section focuses on elements like site speed, mobile usability, and HTTPS security. If your website loads slowly or isn’t mobile-friendly, the tool will flag these issues.
2. On-Page SEO
This is the most important section for content creators and website owners. It covers titles, meta descriptions, keyword usage, headers, and internal links. You’ll see exactly where you’ve missed optimization opportunities.
3. Content Quality
Here, the tool evaluates how relevant and readable your content is. It may also detect duplicate or thin content, which can hurt rankings.
4. Backlinks (if supported)
Some free tools show limited backlink data, highlighting the number of referring domains and their quality.
5. Overall Score
Finally, you’ll get a summary score (usually between 0 and 100). Anything above 80 is considered good, but your goal should be continuous improvement.
Common On-Page Issues Detected by SEO Score Checkers
A website SEO score checker tool can uncover dozens of problems that affect your rankings. Below are the most common on-page issues it identifies — and how to fix them.
1. Missing or Duplicate Meta Tags
Meta titles and descriptions are critical for both users and search engines. They tell Google what your page is about. If they’re missing, too short, or duplicated, your rankings could suffer.
How to fix it:
Write unique meta titles (50–60 characters) and descriptions (150–160 characters) for each page.
Include your target keyword naturally.
Ensure each page has its own distinct title and description.
2. Poor Keyword Optimization
If your target keywords aren’t placed strategically, search engines may struggle to understand your content’s topic.
How to fix it:
Include your main keyword in the title, first paragraph, and at least one subheading.
Avoid keyword stuffing; use variations and synonyms.
Focus on natural, user-friendly writing.
3. Missing Header Tags (H1, H2, H3)
Header tags structure your content, making it easier for users to read and for search engines to crawl.
How to fix it:
Use one H1 tag for the main page topic.
Use H2 and H3 tags for subtopics and supporting information.
Include keywords naturally in headers.
4. Unoptimized Images
Large images can slow down your website, hurting both user experience and SEO. Missing alt text also reduces accessibility.
How to fix it:
Compress images before uploading them.
Add descriptive alt text that includes relevant keywords.
Use proper file formats like WebP or JPEG for smaller file sizes.
5. Broken Internal Links
Broken links lead users to error pages and hurt your site’s credibility.
How to fix it:
Run an audit to find broken links.
Replace them with working URLs or remove them entirely.
Create a strong internal linking strategy to connect related content.
6. Thin or Duplicate Content
If your content is too short or repeated across multiple pages, search engines may consider it low quality.
How to fix it:
Expand thin pages with more valuable information.
Combine similar pages into one comprehensive guide.
Use plagiarism checkers to ensure content originality.
7. Slow Page Loading Speed
A slow-loading website frustrates visitors and lowers rankings.
How to fix it:
Optimize images and enable browser caching.
Minimize CSS and JavaScript files.
Use a reliable hosting provider and consider a content delivery network (CDN).
8. Mobile Usability Issues
More than half of web traffic comes from mobile devices, so mobile optimization is essential.
How to fix it:
Use a responsive design that adapts to all screen sizes.
Test your site on different devices using Google’s Mobile-Friendly Test.
Simplify navigation for smaller screens.
Using SEO Score Checkers to Monitor Progress
After you’ve fixed the on-page issues, it’s important to recheck your SEO score. This helps confirm whether your changes have improved your website’s performance.
Here’s how to do it:
Re-run your website through the same free SEO score checker.
Compare the new score with your previous one.
Track improvements in areas like page speed, content quality, and mobile usability.
Checking your score regularly — once every few weeks or after major updates — ensures your website remains optimized as search algorithms evolve.
Best Free SEO Score Checker Tools for On-Page Optimization
Here are a few top-rated tools you can use to identify and fix on-page SEO problems effectively.
1. SEOptimer
Provides a quick overview with detailed insights into your meta tags, page structure, and content quality. It gives clear recommendations for fixing issues.
2. Ubersuggest
A comprehensive tool that analyzes your site health, keywords, and backlinks. It’s great for understanding both technical and content-based SEO problems.
3. Sitechecker
Offers deep on-page analysis, detecting errors in headers, meta tags, and content optimization. It also provides real-time improvement tips.
4. Google Lighthouse
Built directly into Chrome, this tool evaluates SEO, performance, and accessibility. It’s one of the most accurate resources for diagnosing technical issues.
5. Small SEO Tools
A quick and simple online tool that gives instant SEO insights, including keyword density, meta tag analysis, and broken links.
Each of these tools helps you understand how search engines view your website — and what steps you can take to optimize it further.
Why Continuous On-Page Optimization Matters
Search engine optimization is not a one-time project. Algorithms change, competitors update their content, and new keywords emerge. Regularly using a website SEO score checker tool ensures that your site stays current and competitive.
Continuous optimization also improves:
User experience: Fast, readable pages encourage visitors to stay longer.
Content quality: Updated, keyword-optimized content ranks higher.
Technical health: Regular audits prevent long-term SEO issues.
By consistently checking and improving your on-page SEO, you’re setting a strong foundation for long-term digital growth.
Final Thoughts
A free SEO score checker is one of the most effective tools for improving your website’s on-page performance. It provides instant insights into what’s helping or hurting your site’s rankings and gives you actionable steps to fix the problems.
Knowing how to check SEO score for free allows you to stay proactive about your website’s health without spending on expensive software. By optimizing meta tags, fixing broken links, speeding up your site, and improving content quality, you can raise your SEO score and achieve better visibility online.
Whether you’re a business owner, blogger, or digital marketer, using a website SEO score checker tool regularly will keep your site performing at its best — and make sure search engines and users love it.