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SEO and auditingChecked through WebDiag API

Keyword and Phrase Frequency Analyzer

Enter a page URL to see term distribution. The tool does not promise magic SEO ranking; it provides evidence for editorial review.

  • Words
  • Bigrams/trigrams
  • Overuse signals
Online tool

Try the tool

Enter a URL: WebDiag will run a safe network check and show the result.

Network check through backend

For HTTP/SEO tools, the URL is sent to the WebDiag API, where SSRF protection, DNS/IP policy, and redirect limits are applied.

Reviewed: 2026-07-17
01

How to use it

  1. 1

    Paste a public page URL.

  2. 2

    WebDiag extracts visible text without script/style blocks.

  3. 3

    Review frequent words, phrases, and possible overuse.

02

What the tool can do

  • Counts words, bigrams, and trigrams.
  • Uses basic RU/EN stopword filters.
  • Shows term density without ranking promises.
03

Common use cases

  • Find overuse after SEO copy edits.
  • Check whether visible text matches the page topic.
  • Prepare editorial recommendations for a landing page.
04

How it works inside

Density is calculated against total visible-text word count.

This is a content audit signal, not a ranking-factor simulator.

05

Questions and answers

Is this a keyword stuffing checker?

Partly. It shows repetition and density, but final decisions require editorial context.

Can density be trusted as an SEO formula?

No. Density is a diagnostic signal, not a ranking formula.