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Avoid Plugins

This rule triggers when PageSpeed Insights detects the use of plugins on your page.

Overview

Plugins help the browser process special types of web content, such as Flash, Silverlight, and Java. Most mobile devices do not support plugins, and plugins are a leading cause of hangs, crashes, and security incidents in browsers that provide support. Due to these concerns, many desktop browsers restrict plugins:

Recommendations

Most content that once required plugins can now be created using native web technologies, including content requiring first-class support for audio and video, advanced graphics and presentation effects, network connections, local storage, and file access. Using these web platform features will help ensure that your rich content can be accessed on all devices.