Novice–Expert+

Name: Novice–Expert+
Rating: 5 (14 reviews)
Author: kmacdorm

This extension logs the steps a user takes to perform a task and estimates the time an expert would take to complete each step.

As of May 2026, Novice–Expert+ has 213 users and a 5.00/5 rating from 14 reviews in the Developer Tools category.

kmacdorm Developer Tools★ Featured

Chrome Web Store ↗.crx

Users−6.6%

213

Rating0%

5.00

14 reviews

Reviews0%

Version

1.0.5

Manifest V3

History

3 snapshots

Tracking since Apr 1, 2026.

View as table

Date	Users	Rating	Reviews	Version
Apr 1, 2026	228	5.00	14	1.0.5
Apr 30, 2026	235	5.00	14	1.0.5
May 29, 2026	232	5.00	14	1.0.5
Now	213	5.00	14	1.0.5

Permissions & access

Permissions: downloadsnotificationsstorage
Host access: <all_urls>

Screenshots

About

This extension identifies usability issues with a website or web app. The extension logs the steps a user takes to perform a task and estimates the time an expert would take to complete each step. This information may be saved as a CSV file, so that novice and expert performance may then be compared. The novice time divided by the expert time is the novice–expert ratio. If this ratio is above the average, it could indicate a usability issue. The user can also determine Fitts' law constants to estimate expert pointing time for different input devices.