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MeasureSEO: Keyword Density Checker

Chrome extension by Jesse Jones · Productivity · Tools

  • Featured
  • Established publisher

A Chrome extension in Productivity · Tools with 7 000 users, a small but real audience.

Every site you visit. This extension can read and change the content of any page you open.

What the developer says, and 4 screenshots

Loading from the Chrome Web Store. Open the listing if it does not appear.

Users
7 000
Rating
4.3 (20 ratings)
Users, last 15 days
unchanged
Rating, last 30 days
Not watched long enough to say
Version
1.60
Updated in the store
2023-12-17
Published
2019-10-01
Manifest
V3
Browser access
4 permissions, 2 site patterns

How it has moved

Users
unchanged since 31.08
7k · 2 readings
  1. 2026-08-317k
  2. 2026-09-147k
Rating
unchanged since 31.08
reviewsrating 4.30 · 2 readings
  1. 2026-08-31reviews20rating4.30
  2. 2026-09-14reviews20rating4.30
Users
unchanged since 31.08
7k · 2 readings
  1. 2026-08-317k
  2. 2026-09-147k
Rating
unchanged since 31.08
reviewsrating 4.30 · 2 readings
  1. 2026-08-31reviews20rating4.30
  2. 2026-09-14reviews20rating4.30

A dot marks a day the store showed a different number. Between them the line carries the last one forward: we read every listing more than once a day and record a point only when something moves. History beyond ninety days is in the app.

What it can reach

Every site you visit. This extension can read and change the content of any page you open.

  • See the address and title of every tab you have open tabs
  • Run its own code on the pages it can access scripting
  • Act on the current tab, but only after you click it activeTab
Show the remaining 1
  • Store data in your browser storage

The full permission history for this extension

What changed recently

Nothing has moved on this listing since we started watching it.

The publisher

Jesse Jones publishes 6 listings we track, 28k users between them. Listed website: measureseo.com.

  1. Snag - Save Image As Jesse Jones · Productivity · Workflow · published 2024-05-23 20k users ★ 3.6
  2. Regex Matcher Jesse Jones · Productivity · Developer · published 2018-03-16 1k users ★ 3.7
  3. Number Counter (Tally) Jesse Jones · Productivity · Tools · published 2024-08-07 274 users ★ 5.0
Show 2 more from this publisher
  1. Word Counter (Tally) Jesse Jones · Productivity · Education · published 2024-08-10 92 users
  2. TextSkim Jesse Jones · Productivity · Workflow · published 2026-05-13 9 users

Like this one

Listings the catalog judges closest in what they say they do.

  1. Check Keyword Density Tool Describes nearly the same job, smaller audience 161 users ★ 5.0
  2. Keyword Density Checker Describes nearly the same job, smaller audience 4 users ★ 5.0
  3. SEO Keyword Density Analyzer Describes nearly the same job, smaller audience 2 users (last published figure)
  4. Keyword Density Analyzer Describes nearly the same job, smaller audience 7 users
  5. Simple Word Counter Describes nearly the same job, smaller audience 5 users

The top 5 only. The full comparison, with why each one is close, is on the alternatives page; ranking a whole neighbourhood by your own criteria is in the app.

Is this your extension?

Connect it to Ext Ops Panel and see installs, uninstalls and uninstall reasons as events arrive, not as a weekly summary.

See what the panel does

Figures come from our own daily pass over the public Chrome Web Store listing, last read on . We publish no contact details for extension developers.