Show a message if the user using a outdated browser.
As of April 2026, WP Outdated Browser is a WordPress css plugin with 100 active installations and a 4/5 rating from 4 reviews. It has been downloaded 13K+ times in total. Requires WordPress 3.6.0+ and PHP false+. Available on WordPress.org since 2014. Last updated 10 years ago — may have compatibility concerns. Top alternative: WPCode – Insert Headers and Footers +….
So, you’re tired of people visiting your modern website with an outdated browser and not doing anything about it. Maybe they aren’t “power” users, maybe it’s your auntie running a last century browser trying to see awesome CSS3 animations and transforms. Let the user know that’s an outdated browser, and advise them on a better one.
With this solution you can check if the user’s browser can handle your website. If not, it will show a cool looking notice advising the user to update the browser. It\’ll be up to him/her to decide if he upgrades or not. Don’t force the user!
This plugin is a version of Outdated Browser Projetct created by Bürocratik
| WordPress | 3.6.0+ requiredTested up to 4.3.34 |
| PHP | false+ required |
2.1.0 – 24/08/2015
* Updated Outdated to version 1.1.1
* Added Danish lang
2.0.0 – 06/07/2014
* Adding multi language support
* Enable custom options via admin panel
* Core updated to v1.0.2
1.0.0 – 28/06/2014
* First version
Plugin data sourced from WordPress.org. Analysis and metrics by PluginSift.