System Usability Scale
System Usability Scale is a plugin developed for valutation of Progettazione e Produzione Multimediale subject in Università degli studi di Firenze
Consider an alternative
System Usability Scale shows warning signs in 2026 — compare the alternatives below before installing. Was last updated 5 years ago, and scores 21/100 on our health check.
- Small user base (<10 active installs)
- Very few reviews so far
- No update in 4 years
- Only tested up to WordPress 5.8 (latest is 7.1)
How does it stack up?
Side-by-side on installs, updates, ratings & support
Daily downloads
Download spikes usually follow a new release — each site that auto-updates counts as a download.
Rankings
Where System Usability Scale stands todayWordPress.org search rankings
Live position in the plugin search, top 100| Keyword | Position |
|---|---|
| scale | >100 |
| sus | #62 |
| system | >100 |
| usability | >100 |
About System Usability Scale
From the official readme · v1.0Description
System Usability Scale is a plugin developed for valutation of Progettazione e Produzione Multimediale subject in Università degli studi di Firenze
This plugin let:
- Admins to create System’s page who contain a redirect for system usability scale’s questionnaire.
- Admins to create MacroSystems that groups various Systems.
- Admins to check among the submitted sus, and to take a look to the average of all Systems and MacroSystems.
- Admins to set a name for each System and also for MacroSystems.
- Admins to set who can see sus submitted.
- Users to submit sus once clicked on redirect.
Frequently asked questions
If i click on “Delete” from setting page, that page will be deleted?
No, but that page will lost its button. You can add it again using the shortcode.
Who can submit questionnaire?
It depends on what parameter you pass into [sus_here required_login=”PARAMETER”] between true or false: if true, only registered user will be able to see the redirect button.
For developers
Is this your plugin? Show off the numbers.
Add a live badge to your site, docs or GitHub README. It updates on its own — no account needed.
Best System Usability Scale alternatives
All scale plugins →
FAQ
System Usability Scale: quick answers
Straight answers, pulled from live WordPress.org data.
Live data from WordPress.org · checked Oct 1, 2026
Is System Usability Scale free?
Yes. System Usability Scale is free to download and use from the official WordPress.org plugin directory.
Is System Usability Scale safe to use in 2026?
System Usability Scale shows warning signs in 2026 — compare the alternatives below before installing. Was last updated 5 years ago, and scores 21/100 on our health check.
How many websites use System Usability Scale?
System Usability Scale is active on <10 WordPress websites and has been downloaded 1,117 times since it launched in November 2021. It was downloaded 63 times in the last 30 days.
Does System Usability Scale work with WordPress 7.1?
System Usability Scale is officially tested up to WordPress 5.8.17, while the latest release is 7.1.2. It may still work, but try it on a staging site first.
What PHP version does System Usability Scale need?
System Usability Scale requires PHP 5.2.4 or higher. Most hosts run PHP 8.x today, so it works on any modern WordPress hosting.
When was System Usability Scale last updated?
The latest version, 1.0, was released on November 18, 2021 (5 years ago).
Who makes System Usability Scale?
System Usability Scale is developed and maintained by gparrotta.
What are the best alternatives to System Usability Scale?
The most popular alternatives to System Usability Scale are Imsanity (200K+ installs), Scale It UP! (40+ installs) and Responsive (10+ installs).
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