Free Keyword Density Checker & SEO Text Analyzer

Check your keyword frequency to ensure optimal on-page SEO. Prevent search engine penalties by easily identifying and fixing keyword stuffing.

What is a Keyword Density Checker?

A Keyword Density Checker (also known as a Keyword Frequency Counter) is an essential SEO tool that calculates how often a specific word or phrase appears within a piece of content compared to the total word count. By analyzing your keyword density, you can ensure search engines understand the topic of your page without triggering spam filters.

Why You Must Avoid Keyword Stuffing

In the early days of SEO, webmasters would cram target keywords into their content as many times as possible to rank higher. Today, Google's algorithms heavily penalize keyword stuffing. If your primary keyword density exceeds natural language levels, your page may drop in rankings or be removed from the index entirely. Our free SEO text analyzer helps you identify overused words so you can replace them with LSI (Latent Semantic Indexing) keywords and synonyms.

Frequently Asked Questions

What is the ideal keyword density for SEO?
Most SEO professionals recommend a keyword density between 1% and 3%. This means your target keyword should appear 1 to 3 times for every 100 words. Content should always read naturally to human users first.
What are "Stop Words"?
Stop words are common connective words like "the," "is," "at," "which," and "on." Search engines typically ignore these words when determining the topic of a page. Our tool includes an option to automatically filter out stop words so you can focus strictly on your valuable SEO keywords.
Is Keyword Density still a ranking factor?
While strict keyword density percentages are no longer a direct ranking factor in modern search algorithms (which favor context and topic clustering), tracking your keyword frequency is still critical for preventing over-optimization penalties and ensuring you haven't forgotten to include your primary target terms.