Specify Image Dimensions

Specify Image Dimensions is a plugin that scans and inserts missing width and height in all tags. Specifying the dimension allows for faster rendering by eliminating the need for unnecessary re-flows and repaints. This is particularly helpful with website speed tools such as GTmetrix and Google’s PageSpeed.

Before

After

Contribute on GitHub

Want to help improve this plugin? Head over to our GitHub page

1. Upload the plugin to the /wp-content/plugins/ directory.
2. Activate the plugin through the Plugins menu in WordPress.
3. Let it settle in a for a minute and be amazed.

If there are any issues or questions, head over to our FAQ or our Support page.

How does it work?

The plugin will scan the contents in your posts and automagically specify the image dimensions by adding the correct width and height.

Why is this important?

Specifying a width and height for all images allows for faster rendering by eliminating the need for unnecessary re-flows and repaints. This is particularly helpful with website speed tools such as GTmetrix and Google’s PageSpeed. More information can be found here.

I’d like to contribute to this plugin and help improve it

That’s easy! If you have a GitHub account, you’re more than welcome to share your contribution to our plugin which can be found here.

1. 

   Before and after result using the Specify Image Dimensions plugin from GTmetrix report.

1.1.0

2016-01-29
* Fix: images with blank dimensions weren’t being detected
* Added support for additional img attributes

=1.0.4 =
2016-11-28
* Fix: SVG and webP images were given 0 width and height
* Various code improvements

1.0.3

• 2016-09-01
• Fix: Thumbnail weren’t showing up in Pages
• Renamed plugin file from index.php to specify-image-dimensions.php

1.0.2

• 2016-08-25
• Fix: Thumbnails weren’t showing in the Media library (thanks ramonjosegn)

1.0.1

• 2016-08-24
• Fix: Image dimensions were not being set

1.0.0

• 2016-08-21
• Initial release, huzzah!