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Nexus Core

Chrome extension by corneliusphiri338 · Productivity · Developer

A Chrome extension in Productivity · Developer with 3 users, barely installed.

No site access is declared in the manifest, so it cannot read the pages you open on its own.

What the developer says, and 3 screenshots

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

Users
3 (the store no longer states an audience; this is the last figure it published)
Rating
not rated yet
Users, last 19 days
+3
Version
1.0
Updated in the store
2026-04-16
Published
2026-04-16
Manifest
V3
Browser access
2 permissions

How it has moved

Users
+3 since 31.08
0-4 · 7 readings
  1. 2026-08-310
  2. 2026-09-022
  3. 2026-09-063
  4. 2026-09-084
  5. 2026-09-100
  6. 2026-09-153
  7. 2026-09-183
Users
+3 since 31.08
0-4 · 7 readings
  1. 2026-08-310
  2. 2026-09-022
  3. 2026-09-063
  4. 2026-09-084
  5. 2026-09-100
  6. 2026-09-153
  7. 2026-09-183

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

No site access is declared in the manifest, so it cannot read the pages you open on its own.

  • Run its own code on the pages it can access scripting
  • Act on the current tab, but only after you click it activeTab

The full permission history for this extension

What changed recently

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

The publisher

corneliusphiri338 publishes 4 listings we track, 19 users between them.

  1. AI Prompt Saver corneliusphiri338 · Productivity · Tools · published 2026-03-25 7 users
  2. MoneyScanner Pro - Website Monetization Intelligence corneliusphiri338 · Productivity · Developer · published 2026-04-20 6 users
  3. API Tester Pro - REST Client corneliusphiri338 · Productivity · Developer · published 2026-03-27 3 users

Like this one

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

  1. WebPerf Labs – Web Performance Analyzer Describes nearly the same job, smaller audience 171 users ★ 5.0
  2. Page Performance Analyzer Describes nearly the same job, smaller audience 16 users
  3. Speedometer AI Describes nearly the same job, smaller audience 29 users ★ 5.0
  4. PingTrack: Web Speed Diagnostician Describes nearly the same job, smaller audience 3 users (last published figure)
  5. Site Performance Checker by Strelva Describes nearly the same job, smaller audience 19 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.

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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.