Color Contrast Checker
Calculate the WCAG 2 contrast ratio and AA/AAA results for normal and large text.
Open toolMatch the requested Unicode word sequence case-insensitively and divide occurrences by the number of possible token windows. Text-only phrase analysis, with overlapping matches allowed.
Enter the inputs, then select Check phrase density.
Result will appear here
Match the requested Unicode word sequence case-insensitively and divide occurrences by the number of possible token windows.
Text-only phrase analysis, with overlapping matches allowed. Punctuation separates tokens. This does not fetch pages or recommend a ranking target.
Start with your own input.
Select Check phrase density. Review phrase count and token-window percentage, then use Copy result or download the result file.
To count a phrase in supplied copy, start with source text. Match the requested Unicode word sequence case-insensitively and divide occurrences by the number of possible token windows.

To compare repeated phrase usage, start with source text. Text-only phrase analysis, with overlapping matches allowed.

To inspect a draft without an SEO score, start with source text. Review phrase count and token-window percentage, then use Copy result or download the result file.

Check what the output means.
Phrase count and token-window percentage. Match the requested Unicode word sequence case-insensitively and divide occurrences by the number of possible token windows.
Text-only phrase analysis, with overlapping matches allowed. Punctuation separates tokens. This does not fetch pages or recommend a ranking target.

Check the format before processing.
Text-only phrase analysis, with overlapping matches allowed. Punctuation separates tokens. This does not fetch pages or recommend a ranking target.
Inputs and results are handled in this browser.

Calculate the WCAG 2 contrast ratio and AA/AAA results for normal and large text.
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Open toolChoose another tool for your next calculation, conversion, or text task.
Draft three meta descriptions from your own page facts. Local text rules combine the supplied name, phrase and description within a chosen character limit.
Open toolEscape supplied text and write title, description and canonical HTML elements.
Open toolWrite og:title, og:description, og:url, og:image and og:type from your inputs.
Open toolGenerate robots.txt from a user-agent token and newline-separated allow and disallow paths.
Open toolReview phrase count and token-window percentage, then use Copy result or download the result file.
Answers about using Keyword Density Checker and understanding its results.
Text-only phrase analysis, with overlapping matches allowed. Punctuation separates tokens. This does not fetch pages or recommend a ranking target.
Yes. Download the result file after processing. Text results also have Copy result. Processing uses local browser code; no account is required.