Extend device preview in customizer with previewing server-side components, ensuring the previewed device's user agent is set when the site refre …
As of April 2026, Customizer Responsive Server-Side Components Device Preview is a WordPress rwd plugin with 70 active installations and a 0/5 rating0. It has been downloaded 2.5K+ times in total. Requires WordPress 4.7+ and PHP 5.3+. Available on WordPress.org since 2016. Last updated 8 years ago — may have compatibility concerns. Top alternative: Magic Liquidizer Responsive Table.
Read full writeup: Previewing Themes with Adaptive Designs in the Customizer.
This plugin extends the responsive device preview functionality in the customizer which was added in 4.5 (see #31195). In core when you change the previewed device it merely changes the dimensions of the preview, allowing you to simulate how the theme will appear on tablet or mobile screens. What it does not do, however, is cause the preview to reload with the User-Agent overridden for the current device being previewed. For themes that implement a responsive design this core behavior is just fine since changing the dimensions of the iframe will cause the appropriate media queries to apply. However, if you have an adaptive design for your theme you won’t be able to see any server-side components that it ma…
| WordPress | 4.7+ requiredTested up to 4.9.29 |
| PHP | 5.3+ required |
parseQueryString from core.Plugin data sourced from WordPress.org. Analysis and metrics by PluginSift.