WebP ExpressbyBjørn Rosell

Version: 0.25.6

Serve autogenerated WebP images instead of jpeg/png to browsers that supports WebP.

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The plugin has some issues

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Tests done by WP Hive test script Results

Minimal impact on memory usage The memory usage of this plugin is less than the average memory usage of other plugins on WordPress.org + 200KB. Check FAQ for more.
Minimal impact on pagespeed The impact of this plugin on PageSpeed is less than the average impact of other plugins on WordPress.org + 1000 milliseconds
No PHP errors, warning, notices WP Hive automated test found no PHP error while activating this plugin on our server
No Javascript issues WP Hive automated test found no JavaScrip error while activating this plugin on our server
Latest PHP 8.1.12 compatible WP Hive automated test found the plugin fully compatible with the latest version of PHP
Latest WordPress 6.2.1 compatible WP Hive automated test found the plugin fully compatible with the latest version of WordPress
Optimized database footprint The plugin creates less than 50 database tables
No activation errors WP Hive automated test found no activation error while activating this plugin on our server
No resource errors WP Hive automated test found no resource error/s while trying this plugin on our server
Frequently updated The plugin was not updated at least once in the last 90 days

All the plugins are tested on the same server with exactly same configuration via test script that automatically activates and logs the data WP Hive shows.

All the scripts run on a VPS with 8 CPU cores and 8 GB of RAM.
The test sites are hosted on Google Cloud VM instances, one site/plugin per instance. The machine type is n1-standard-1. The server is a 8 core CPU with 8GB of RAM.
The test sites are hosted on Apache/2 server and they are tested on PHP 8.1.12 & WordPress 6.2.1.
The database server is MySQL 10.6.10 and the default PHP memory limit is 512M.

3M

Total Downloads

300K

Active Installation

5 years

On WordPress

0.0%

Growth Rate

15

Support Thread

144

Ratings on WordPress

00

Downloads This Week

00

Ago Last Updated

Download Plugin Plugin Website

About WebP Express

Description

Almost 4 out of 5 mobile users use a browser that is able to display webp images. Yet, on most websites, they are served jpeg images, which are typically double the size of webp images for a given quality. What a waste of bandwidth! This plugin was created to help remedy that situation. With little effort, WordPress admins can have their site serving autogenerated webp images to browsers that supports it, while still serving jpeg and png files to browsers that does not support webp.

The image converter

The plugin uses the WebP Convert library to convert images to webp. WebP Convert is able to convert images using multiple methods. There are the “local” conversion methods: imagick, cwebp, vips, gd. If none of these works on your host, there are the cloud alternatives: ewww (paid) or connecting to a WordPress site where you got WebP Express installed and you enabled the “web service” functionality.

The “Serving webp to browsers that supports it” part.

The plugin supports different ways of delivering webps to browsers that supports it:

By routing jpeg/png images to the corresponding webp – or to the image converter if the image hasn’t been converted yet.
By altering the HTML, replacing image tags with picture tags. Missing webps are auto generated upon visit.
By altering the HTML, replacing image URLs so all points to webp. The replacements only being made for browsers that supports webp. Again, missing webps are auto generated upon visit.
In combination with Cache Enabler, the same as above can be achieved, but with page caching.
You can also deliver webp to all browsers and add the webpjs javascript, which provides webp support for browsers that doesn’t support webp natively. However, beware that the javascript doesn’t support srcset attributes, which is why I haven’t added that method to the plugin (yet).

The plugin implements the “WebP On Demand” solution described here and builds on a bunch of open source libraries (all maintained by me):
– WebPConvert: For converting images to webp
– WebP Convert Cloud Service: For the Web Service functionality
– DOM Util for WebP: For the Alter HTML functionality
– Image MimeType Guesser: For detecting mime types of images.

Benefits

Much faster load time for images in browsers that supports webp. The converted images are typically less than half the size (for jpeg), while maintaining the same quality. Bear in mind that for most web sites, images are responsible for the largest part of the waiting time.
Better user experience (whether performance goes from terrible to bad, or from good to impressive, it is a benefit)
Better ranking in Google searches (performance is taken into account by Google)
Less bandwidth consumption – makes a huge difference in the parts of the world where the internet is slow and costly (you know, ~80% of the world population lives under these circumstances).
Currently ~83% of all traffic, and ~80% of mobile browsing traffic are done with browsers supporting webp. With Mozilla and Microsoft finally on board, these numbers are bound to increase. Check current numbers on caniuse.com).
It’s great for the environment too! Reducing network traffic reduces electricity consumption which reduces CO2 emissions.

Limitations

The plugin should now work on Microsoft IIS server, but it has not been tested thoroughly.

Supporting WebP Express

Bread on the table don’t come for free, even though this plugin does, and always will. I enjoy developing this, and supporting you guys, but I kind of need the bread too. Please make it possible for me to continue wasting time on this plugin:

Buy me a Coffee
Become a backer or sponsor on Patreon

Explore all plugins from Bjørn Rosell

Performance

Memory Usage

Average memory usage is24.16 KB
This is less than99%plugins

Page Speed

Average page loading time is increased by 0.06 s
This is faster than99%plugins

Speed Test Benchmark Learn more how we collect the data

Before plugin activation
After plugin activation

Benchmark

Change

Average Change

- 0.06s

/(front page)

- 0.07s

/wp-admin/edit-comments.php

- 0s

/wp-admin/edit-tags.php?taxonomy=category

+ 0.02s

/wp-admin/edit.php

- 0s

/wp-admin/index.php

- 0.05s

/wp-admin/media-new.php

- 0.05s

/wp-admin/options-discussion.php

- 0s

/wp-admin/options-writing.php

- 0s

/wp-admin/post-new.php

- 0.4s

/wp-admin/post-new.php?post_type=page

- 0.02s

/wp-admin/upload.php

- 0.07s

MoreLess

Memory Usage Benchmark Learn more how we collect the data

Before plugin activation
After plugin activation

Benchmark

Change

Average Change

+ 24.16KB

/ (front page)

+ 1.12KB

/wp-admin/edit-comments.php

+ 2.06KB

/wp-admin/edit-tags.php?taxonomy=category

+ 4.23KB

/wp-admin/edit.php

+ 4.27KB

/wp-admin/index.php

+ 4.27KB

/wp-admin/media-new.php

+ 3.58KB

/wp-admin/options-discussion.php

+ 2.16KB

/wp-admin/options-writing.php

+ 0.4KB

/wp-admin/post-new.php

+ 4.82KB

/wp-admin/post-new.php?post_type=page

+ 4.27KB

/wp-admin/upload.php

+ 2.06KB

MoreLess

Stats

Download Statistics

Plugin Version Usage

Database Tables

The plugin has added 0 additional options to your WordPress.

WP-Options

The plugin has added 3 additional options to your WordPress website.

Errors

Frequently Updated

The plugin has not been updated in the last 90 days.

Read more how WP Hive determines this data.

Error Log

We found the following errors while activating the plugin. Read more how WP Hive generates this data.

[16-May-2023 21:13:10 UTC] PHP Deprecated: strpos(): Passing null to parameter #1 ($haystack) of type string is deprecated in /wp-includes/functions.php on line 7053
[16-May-2023 21:13:10 UTC] PHP Deprecated: str_replace(): Passing null to parameter #3 ($subject) of type array|string is deprecated in /wp-includes/functions.php on line 2165
[16-May-2023 21:13:10 UTC] PHP Deprecated: strpos(): Passing null to parameter #1 ($haystack) of type string is deprecated in /wp-includes/functions.php on line 7053

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PHP 8.1.12

WP 6.2.1

PHP 8.1.12 WP 6.2.1

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WebP ExpressbyBjørn Rosell

Version : 0.25.6

Are you an author of this plugin?

The plugin has some issues

3M

300K

5 years

0.0%

15

144

00

00

About WebP Express

Description

The image converter

The “Serving webp to browsers that supports it” part.

Benefits

Limitations

Supporting WebP Express

Explore all plugins from Bjørn Rosell

Performance

Memory Usage

Page Speed

Speed Test Benchmark Learn more how we collect the data

Pages

Benchmark

Change

Memory Usage Benchmark Learn more how we collect the data

Pages

Benchmark

Change

Stats

Download Statistics

Plugin Version Usage

More

Database Tables

WP-Options

Errors

Frequently Updated

Error Log

Show Off Your Plugin

PHP 8.1.12

WP 6.2.1

Love using this plugin?

Are you an author of this plugin?

Like what you see?

Be Part of the Conversation with WordPress Enthusiasts

Using WebP Express? Great, join the conversation now!

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