Unless
Unless is a UX optimization engine. It lets you segment website visitors into audiences, show tailored versions of your web pages to each of those audiences (content, add-on components or inline features), and…
Consider an alternative
Unless shows warning signs in 2026 — compare the alternatives below before installing. It runs on 50+ sites, is rated 5/5 and was last updated 4 years ago, and scores 32/100 on our health check.
- Small user base (50+ active installs)
- Very few reviews so far
- No update in 3 years
- Only tested up to WordPress 6.1 (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 Unless stands todayWordPress.org search rankings
Live position in the plugin search, top 100| Keyword | Position |
|---|---|
| conversion rate optimization | >100 |
| CRO | #44 |
| optimization | >100 |
| personalization | >100 |
| ux | >100 |
Version adoption
Share of active sites per release.
Rating breakdown
★★★★★★★★★★ 5 from 2 reviews
About Unless
From the official readme · v3.0.1Description
Unless is a UX optimization engine. It lets you segment website visitors into audiences, show tailored versions of your web pages to each of those audiences (content, add-on components or inline features), and subsequently measure success rates using AB tests. This typically will increase your websites conversion rates and ad revenue.
This plugin adds the Unless service to all your WordPress pages. Simply copy/paste the Account ID from your Unless dashboard into the input field and save settings.
Important note: this version of the plug-in works from version 5 of Unless. If you are still on version 4, go to Unless.com to upgrade. You will be rewarded with many additional features and an even faster service.
Installation
- Upload the downloaded plugin folder to the
/wp-content/plugins/directory or install directly from the repo. - Activate the plugin through the
Pluginsmenu in WordPress - Add your Unless account ID to the settings page
- Press
Install.
Frequently asked questions
What is this plugin for?
This plugin installs Unless on your website.
What does Unless do?
Unless is a personalization engine. It allows you to show alternative versions of your website funnel to specific people.
Why would I want to do that?
Audiences may have specific needs, vocabulary and background. If you show tailored versions of your web pages to your diverse audiences, it increases conversion rates and ad revenue.
How exactly does that work?
In the Unless dashboard, you can create different versions of any existing web page. These variations will show when a specific condition is met: for example, based on time, location, referrer, UTM parameter or even user behavior.
What do I need to get started?
You need an Unless account ID. If you already have an Unless account, you can find in on your dashboard.
What will happen after installation?
After installation, you can create personalizations from the Unless dashboard.
How can I upgrade to version 5?
Please go to your dashboard at Unless.com to upgrade.
Changelog
No upgrades yet.
1.0 – initial version.
1.1 – rebrand to Unless.
1.2 – hard version with script embed change.
2.0 – upgrade to Unless version 5.
2.1 – set priority for wp_head hook.
2.2 – added DNS preconnect for script and API domain
2.3 – now it remembers the account id after deactivation
2.4 – slightly different snippet, with 404 unlock feature
Screenshots
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 Unless alternatives
All conversion rate optimization plugins →
FAQ
Unless: quick answers
Straight answers, pulled from live WordPress.org data.
Live data from WordPress.org · checked Sep 28, 2026
Is Unless free?
Yes. Unless is free to download and use from the official WordPress.org plugin directory.
Is Unless safe to use in 2026?
Unless shows warning signs in 2026 — compare the alternatives below before installing. It runs on 50+ sites, is rated 5/5 and was last updated 4 years ago, and scores 32/100 on our health check.
How many websites use Unless?
Unless is active on 50+ WordPress websites and has been downloaded 12,851 times since it launched in May 2017. It was downloaded 143 times in the last 30 days.
Does Unless work with WordPress 7.1?
Unless is officially tested up to WordPress 6.1.14, while the latest release is 7.1.2. It may still work, but try it on a staging site first.
When was Unless last updated?
The latest version, 3.0.1, was released on December 13, 2022 (4 years ago).
Who makes Unless?
Unless is developed and maintained by centrical.
What are the best alternatives to Unless?
The most popular alternatives to Unless are Lucky Orange (2K+ installs), Popup and Widget Builder: L… (200+ installs) and Insiteful (70+ installs).
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