SEO & Marketing

Keyword Density Analyzer - Term Frequency Check

Tokenize English and Chinese text locally, rank frequent terms, and calculate density after stop-word filtering. Useful for on-page focus checks and over-optimization review.

Quick switch→TDK Length Checker

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Use cases

Inspect which terms dominate an article draft
Compare keyword emphasis before publishing
Spot unusually high repeated phrases

How to use

Paste article text or HTML
Adjust Top N and minimum occurrence settings
Copy the ranked terms as CSV

Example input and output

Essay

AI safety is key to AI

Result

AI(2), safety(1)

FAQ

Does it support Chinese segmentation?

When available, it uses the browser’s built-in segmenter. Otherwise it falls back to adjacent two-character approximations without a dictionary dependency.

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TDK Length Checker

TDK Length Checker - SERP Truncation Estimate

Available

Estimate Title and Description pixel width for search-result truncation risk. Helps keep titles near common desktop limits and descriptions within safer mobile and desktop ranges.

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