WordPress viewport plugins

This tiny plugin adds silently the viewport meta tag with zooming permission to allow your users to zoom in your website with mobile browsers.

Viewport resizing comes to the WordPress admin bar.

A debugging tool that adds a small badge in the corner of the site, showing the current viewport width and height for finding media queries breakpoint …

There is plugin switching the viewport of PC view and Mobile view.

Captures the viewport size of visitors' browser window and stores it as events in Google Analytics

Automatically prefetch all links(URLs) in the viewport and make your website page load faster like a rocket.