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Embed Optimizer

By WordPress Performance Team

Performance & Optimization / Caching Solutions

Embed Optimizer Review - In-Depth Analysis

Optimizes the performance of embeds through lazy-loading, preconnecting, and reserving space to reduce layout shifts.

Performance Overview

WPS Score

7.09/10

User Rating

3/5 (based on 2+ reviews)

Active Installations

50,000+

Update Frequency

Below Average It is calculated using the weighted average of same category plugins.

Security Score

1 / 10 (Very Low Risk) It is calculated using the weighted average of all versions.

What It Does

This plugin's purpose is to optimize the performance of embeds in WordPress, such as Tweets, YouTube videos, TikToks, and others.

The current optimizations include lazy loading embeds just before they come into view, adding preconnect links for embeds in the initial viewport, and reserving space for embeds that resize to reduce layout shifting.

Lazy loading embeds improves performance because embeds are generally very resource-intensive, so lazy loading them ensures that they don’t compete with resources when the page is loading. Lazy loading of IFRAME-based embeds is handled simply by adding the loading=lazy attribute. Lazy loading embeds that include SCRIPT tags is handled by using an Intersection Observer to watch for when the embed’s FIGURE container is going to enter the viewport, and then it dynamically inserts the SCRIPT tag.

This plugin also recommends that you install and activate the Optimization Detective plugin, which unlocks several optimizations beyond just lazy loading. Without Optimization Detective, lazy loading can actually degrade performance when an embed is positioned in the initial viewport. This is because lazy loading such viewport-initial elements can degrade LCP since rendering is delayed by the logic to determine whether the element is visible.

When Optimization Detective is active, it will start keeping track of which embeds appear in the initial viewport based on actual visits to your site. With this information in hand, Embed Optimizer will then avoid lazy loading embeds which appear in the initial viewport. Furthermore, for such above-the-fold embeds, Embed Optimizer will also add preconnect links for resources known to be used by those embeds.

The other major feature in Embed Optimizer enabled by Optimization Detective is the reduction of layout shifts caused by embeds that resize when they load. Embed Optimizer keeps track of the resized heights of these embeds, setting the appropriate height on the container FIGURE element as the viewport-specific min-height.

Since Optimization Detective relies on page visits to learn how the page is laid out, you’ll need to wait until you have visits from a mobile and desktop device to start seeing optimizations applied. Your site must have the REST API accessible to unauthenticated frontend visitors since this is how metrics are collected about how a page should be optimized.

Comparing to Alternatives

Embed Optimizer is a plugin designed to improve the handling of embedded content in WordPress. Compared to other embedding plugins, it offers a focused approach but with limited features.

Top alternatives

Embed Optimizer

Strengths

Simple and easy to use with minimal setup.
Compatible with various themes like Mynote.
Lightweight and does not add significant load to the site.

Weaknesses

Limited optimization features compared to other embedding plugins.
Reported to cause issues with social media embeds not displaying images.
Lacks advanced customization options for embeds.

User Sentiment Analysis

User feedback on Embed Optimizer is mixed, highlighting both effective use cases and notable issues.

Positive highlights

"Works great with my theme Mynote." - Liups233
Easy to install and configure.
Does not interfere with basic embed functionality.

Common complaints

Breaks social media embeds causing images not to show.
Limited support and updates.
Lack of advanced features expected from an optimizer.

Weaknesses

Inconsistent performance across different themes and embed types.
Some users experience functionality issues leading to broken embeds.

Who Should Use This?

Best for

Users looking for a simple, lightweight plugin to manage embeds without complex features.

Not ideal for

Those needing robust embed optimization or who rely heavily on social media embeds with images, as it may cause display issues.

Pricing & Value

Free version includes

The free version includes basic embed optimization features suitable for simple use cases.

Final Verdict

Embed Optimizer offers a straightforward solution for managing embedded content with minimal configuration, making it suitable for users with basic needs.

However, due to reported issues with social media embeds and limited features, users requiring advanced optimization or reliable social media integration may need to consider alternative plugins.

Other Notable Features

Here are a few other notable features of this free Embed Optimizer plugin.

embeds

performance

lazy loading

FAQ

Feedback is encouraged and much appreciated, especially since this plugin may contain future WordPress core features. If you have suggestions or requests for new features, you can submit them as an issue in the WordPress Performance Team’s GitHub repository. If you need help with troubleshooting or have a question about the plugin, please create a new topic on our support forum.