Updated SEO & Writing Tool

Keyword Density Calculator

Paste your content and analyze multiple keywords at once. Check keyword density, phrase usage, prominence, distribution, headings and first 100 words — with advanced SEO-style insights and optimization tips.

Multi-Keyword Density 2–3 Word Phrases Prominence & Distribution Optimization Suggestions

Advanced Multi-Keyword Density & Phrase Analyzer

Use the tabs to paste your content, define primary and secondary keywords, inspect density and phrase tables, review distribution across the text and read practical optimization suggestions. This tool is for editorial and SEO guidance and does not guarantee rankings.

You can paste either plain text or basic HTML. The calculator will strip HTML tags to measure word counts, while still scanning headings and list tags for keyword presence.
Enter your primary and secondary keywords, one per line. You can include single keywords or multi-word phrases.
Words: 0 · Unique words: 0 · Sentences: 0 · Estimated reading time: 0 sec

This calculator is meant for on-page SEO analysis and writing support. It does not access external data or search engines, and it does not replace strategic SEO research or professional judgment.

Keyword Density Calculator – Multi-Keyword SEO Analysis in One View

Keyword density used to be one of the most talked-about SEO metrics. While modern search engines are much more sophisticated, measuring how often your target terms appear is still a useful way to spot under-optimization, stuffing and awkward repetition.

The Keyword Density Calculator from MyTimeCalculator is designed for real-world SEO and content workflows. It lets you paste an article, landing page or product description, add several target keywords and instantly see how each one is used across the text.

What This Keyword Density Calculator Shows

The tool runs several layers of analysis on your content:

  • Core usage metrics: Total words, unique words, per-keyword occurrences and density percentages.
  • Multi-keyword overview: Analyze several keywords and key phrases at once, including primary and secondary terms.
  • Phrase frequencies: Top 2-word and 3-word phrases to highlight repeated patterns and common collocations.
  • Prominence and distribution: Where each keyword appears — in the introduction, middle or conclusion — and how early it first shows up.
  • Structural signals: Presence of each keyword in headings (H1/H2/H3), list items and emphasized text such as bold or strong.
  • First 100-word usage: Whether a keyword is represented near the start of the content, where search engines and humans often focus.
  • Simple TF-style emphasis score: A relative indicator of on-page emphasis, not a full corpus-based TF-IDF measure.

How the Calculator Works

When you click “Analyze Keyword Density,” the tool strips HTML tags, tokenizes the content into words and counts how often each target keyword or key phrase appears. It also builds 2-word and 3-word phrase lists based on the cleaned text.

The analysis is approximate by design and focuses on practical SEO diagnostics. For example, the TF-style scores are simple on-page emphasis indicators, and the tool uses basic heuristics to detect headings and lists from your HTML.

How to Interpret Keyword Density

  • Very low density (near 0%): The keyword may not be represented strongly enough for a page built around that topic.
  • Light density (0.3–0.7%): Often a natural background presence for secondary or supporting keywords.
  • Moderate density (0.7–2.5%): Common for primary keywords in well-structured content, especially when combined with synonyms.
  • High density (above ~3–4%): Can signal repetitive or forced usage. Check sentences manually to see whether phrasing still feels natural.

There is no universally correct percentage. The best balance depends on your topic, intent and writing style. Use density as a warning light, not a target score.

Best Practices for Using Keyword Density

  • Draft content first with the reader in mind, then run a density check to refine keyword placement.
  • Ensure your main keyword appears in the title, slug, meta title, introduction and at least one heading, where it fits naturally.
  • Use related terms, synonyms and questions to cover the topic comprehensively without repeating the same phrase every few lines.
  • Watch for clusters of keyword repeats inside a single paragraph or bullet list, which can feel spammy to readers.
  • Compare keyword usage across several pages targeting similar topics to avoid internal competition or cannibalization.

Limitations & Important Notes

Search engines do not use simple keyword density formulas as ranking shortcuts. They evaluate many signals such as user intent, topical depth, site quality, links and user behavior. This calculator is a diagnostic tool to help you balance keyword usage and improve clarity — not a replacement for a complete SEO strategy.

Some content types, like legal, medical or technical documentation, may naturally repeat certain terms more often. In those cases, focus on accuracy and context first and treat density readings as secondary.

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Keyword Density & SEO FAQs

Frequently Asked Questions About Keyword Density

Quick answers to common questions about keyword usage, density and on-page optimization.

Keyword density is no longer a primary ranking factor, but it is still useful as a diagnostic tool. It helps you see whether your target terms are underused, overused or clustered in unnatural ways. Modern SEO focuses more on relevance, topical coverage and user experience than on strict density thresholds.

Yes. Overusing keywords can make content feel spammy and difficult to read. Algorithms are designed to reward helpful, natural writing rather than repetitive phrasing. If this calculator flags very high density or heavy phrase repetition, treat it as a sign to simplify and improve the copy.

Many pages target one primary keyword plus several closely related secondary terms. The key is to keep them tightly related so the page remains focused. If you try to force too many unrelated keywords into a single page, both readers and search engines may find it confusing.

This calculator analyzes only the text you paste and the keywords you specify. It does not crawl competitors, track rankings or integrate with search consoles. Think of it as a focused on-page editing assistant that you can combine with other SEO research tools and analytics platforms.