SEO Checker

What is an SEO checker?

An SEO checker is a tool that evaluates your content or website against established search engine ranking factors and tells you how well optimized it is. It looks at things like keyword placement, content structure, meta details, links, and technical elements, then gives you a score or grade along with specific recommendations to improve.

Traditionally, SEO checkers worked by analyzing a published URL after the fact. You'd paste a link, run a check, get a report, and then go back into your content to make fixes. 

Contentpen works differently. 

The SEO checker runs in real time as you write, so optimizations happen during the drafting process rather than after publishing.

Why your content's SEO score is worth paying attention to

Publishing content without checking its SEO is like submitting work without proofreading it. You might get lucky, but more often than not, small fixable gaps are the reason a well-written blog never ranks.

SEO scoring removes the guesswork.

Instead of wondering why a piece of content isn't performing, you get a clear picture of exactly what's working and what isn't before the content goes live. Over time, consistently publishing content with strong SEO scores builds the kind of compounding organic traffic that doesn't disappear when ad budgets get cut.

Comparing on-page and technical SEO scores

SEO broadly splits into two categories, and a good SEO checker covers both.

On-page SEO refers to everything within the content itself. This includes your keyword placement, heading structure, content depth, meta title and description, internal links, external links, image alt tags, and how well your content matches the search intent behind your target keyword. These are factors you control directly as a writer or editor.

Technical SEO refers to the structural and backend elements that affect how search engines crawl and index your content. This includes URL structure, page speed, mobile usability, and how accessible your content is to search engine bots. While some technical factors sit outside the content itself, many, like URL cleanliness and calls to action, can be checked and improved at the content level.

Contentpen's SEO checker covers both. On-page factors like keyword optimization, content quality, and linking are checked alongside technical elements like URL structure and CTA presence, so nothing gets overlooked.

How does an SEO score actually get calculated in Contentpen?

SEO scores are calculated by checking your content against a set of weighted ranking factors. Each factor contributes to an overall score, and most checkers break this down into categories so you can see exactly where you're strong and where you need work.

In Contentpen, the score is broken across eight categories: keyword optimization, content quality and structure, meta details, media optimization, linking strategy, technical and UX, and semantic relevance and originality.

Each category is scored individually and feeds into your overall grade, so you always know which area to prioritize first.

Getting a score is step one. Here's what comes next.

A score on its own is only useful if you act on it. Here's a practical approach:

• Start with the lowest scoring categories since these represent the biggest gaps and the quickest wins.
• Work through the flagged issues in order of impact, prioritizing keyword placement and meta details first. This is because these have the most direct effect on how search engines read and rank your content.
• Once your highest priority fixes are made, work through the remaining categories systematically. 

You don't need a perfect score to rank well, but consistently hitting 80% and above across your content gives you a strong foundation. 

If you're using Contentpen, your score updates in real time as you make changes, so you can see the impact of each fix immediately rather than waiting to re-run an audit.

SEO scoring is only half the picture now

Traditional SEO scoring focuses on Google and other conventional search engines. But with AI platforms like ChatGPT, Perplexity, and Gemini now answering questions directly, optimizing only for traditional search means missing a growing share of how people find information online.

Contentpen addresses this with a separate GEO score that evaluates how well your content is optimized for AI search. It covers both, so your content is built to show up wherever your audience is searching.

So, sign up to check your score with our SEO platform now before publishing a blog that is never going to rank!