How and Why to Convert Images to WebP in WordPress

Thomas McGee
22 Dec 202112:41

TLDRThis video discusses the advantages of converting images to the WebP format for WordPress websites. WebP images are up to 26% faster than PNGs and 25-34% smaller than JPEGs, which is crucial for mobile users who often access sites through data plans with limited data. The video introduces the free plugin Imageify, which automates the conversion of images to WebP and compresses them for faster loading times. It guides viewers through the plugin's installation, setup, and customization options, including creating an account, adding an API key, and selecting optimization levels. The plugin also offers bulk optimization for existing images in the media library. Using Imageify, WordPress site owners can serve lighter, faster-loading images, improving user experience and potentially increasing site engagement.

Takeaways

  • 🌐 WebP is a newer image format that is more efficient than PNG or JPEG, offering up to 26% faster loading times and file sizes 25-34% smaller than JPEGs.
  • 📱 The majority of web traffic is accessed via mobile devices, many of which use data plans with limited data, making efficient image formats like WebP crucial for faster load times and reduced data usage.
  • 🚀 Large images can significantly slow down a website, especially on WordPress, where image optimization is essential for performance.
  • 🔧 Imageify is a plugin that can automate the conversion of images to WebP format and compress them, making the process of optimizing your WordPress site's images easier.
  • 📈 The plugin offers different optimization levels (Normal, Aggressive, Ultra) which balance image quality with file size.
  • 📂 By default, Imageify can auto-optimize images upon upload and has options to back up original images or resize larger images to save server space.
  • 🌟 WebP format can be enabled to serve lighter and faster-loading images, improving the user experience on your WordPress site.
  • 📌 The plugin allows for resizing of larger images to a specified width, which can greatly reduce the file size and server storage requirements.
  • ✅ Selective optimization of image sizes can be done based on their usage to manage the monthly compression limit for free accounts.
  • 🔗 Using the 'picture' tag is recommended for displaying WebP images, which can be set up easily with the plugin's default settings.
  • 💰 For extensive use, a paid plan with Imageify may be necessary to handle a large number of image compressions beyond the free account limits.

Q & A

  • What is the main advantage of using WebP images on a WordPress website?

    -WebP images are significantly more efficient than PNGs or JPEGs. They are up to 26 percent faster than a PNG and 25 to 34 percent smaller than a JPEG, which means they use less data and load faster, making them ideal for mobile users with limited data plans or poor reception.

  • What percentage of website traffic is accessed through a mobile device according to the statistics mentioned in the script?

    -Upwards of 56 percent of all website traffic is accessed through a mobile device.

  • Why are large images a problem for website performance?

    -Large images can significantly slow down a website, especially a WordPress website, as they require more data to load. This can be problematic for users on mobile devices with limited data plans or poor network reception.

  • What is the plugin recommended in the script for converting images to WebP on a WordPress website?

    -The recommended plugin is called Imageify, which offers both free and paid services depending on usage.

  • How does the Imageify plugin help in optimizing images on a WordPress website?

    -Imageify allows users to convert images from PNGs and JPEGs to the WebP format and compress them. It also provides options for setting the optimization level, resizing larger images, and specifying which image versions to optimize.

  • What is the default optimization level suggested in the script?

    -The script suggests using the 'Aggressive' optimization level, which provides a balance between image quality and file size.

  • What is the benefit of using the 'Auto optimize images on upload' feature in Imageify?

    -This feature automatically compresses images in the background every time a new image is uploaded to the WordPress library, ensuring that the images are optimized without manual intervention.

  • Why might someone choose not to use the 'Back up original images' option in Imageify?

    -Unchecking this option saves space on the server by not storing the original, uncompressed images. However, it also means that the original image cannot be re-cropped or re-optimized, and any changes would require re-uploading the image.

  • How does the Imageify plugin handle the creation of WebP versions of images?

    -The plugin provides an option to create WebP versions of images and to display images in WebP format on the site instead of the original PNG or JPEG, which results in faster loading times and lighter weight images.

  • What is the recommended approach for users who need to optimize a large number of images on their WordPress website?

    -For users with a large library of images to optimize, it's recommended to use the bulk optimization feature of Imageify or consider upgrading to a paid account for unlimited compressions.

  • What is the significance of using the 'Picture tag' in the context of serving WebP images?

    -The 'Picture tag' is the simplest way to serve WebP images, as it allows the plugin to automatically determine the best image format to serve based on the user's browser capabilities, without requiring complex rewrite rules or CDN configurations.

Outlines

00:00

🌐 Introduction to WebP Image Format for WordPress Websites

This segment explains the advantages of using WebP images on WordPress websites, particularly for mobile users on limited data plans. WebP images are significantly more efficient than PNGs and JPEGs, being up to 26% faster than PNGs and 25-34% smaller than JPEGs. The discussion emphasizes the importance of site speed and data usage, which can significantly enhance user retention and experience, especially when accessed from mobile devices.

05:00

🔧 Setting Up Image Optimization on WordPress with Imageify

This section guides through the process of installing and configuring the Imageify plugin on WordPress to automatically convert and compress images to WebP format. It highlights features like auto-optimization on upload, backup options, and size adjustments. The plugin also allows customization of image compression levels and specifies that aggressive compression is a balanced choice. Furthermore, it outlines how to set up the plugin to automatically create and display WebP images instead of traditional formats, potentially enhancing website performance.

10:00

🔄 Optimizing Existing Images and Monitoring Compression

The final part covers optimizing the existing media library using the Imageify plugin. It explains the bulk optimization feature that allows users to compress and convert all images in their library to WebP format. The demonstration includes practical steps such as selecting compression levels and viewing the compression progress. The segment concludes with an example of checking the file size difference before and after optimization, highlighting the benefits of using the plugin for enhancing website performance with WebP images.

Mindmap

Keywords

💡WebP

WebP is a modern image format that provides superior lossless and lossy compression for images on the web. It is up to 26% smaller than a PNG and between 25-34% smaller than a JPEG, making it significantly more efficient for web use. In the context of the video, WebP is highlighted as a solution for faster and lighter image loading on WordPress websites, which is particularly beneficial for mobile users accessing sites through data plans.

💡WordPress

WordPress is a popular content management system (CMS) used for building and managing websites. It is known for its ease of use and flexibility, allowing users to create and maintain their own websites without needing extensive technical knowledge. The video discusses how to optimize WordPress websites by converting images to the WebP format to enhance performance.

💡PNG

PNG stands for Portable Network Graphics and is a widely used image format known for its lossless compression and support for transparency. It is one of the formats compared to WebP in the video, with WebP offering a more efficient alternative for web images, especially in terms of file size and load times.

💡JPEG

JPEG is a commonly used image format that provides a good balance between quality and file size through lossy compression. It is one of the formats mentioned in the video where WebP offers a more efficient alternative, being both smaller in file size and faster to load.

💡Mobile Devices

Mobile devices refer to handheld computing devices such as smartphones and tablets. The video emphasizes that a significant portion of web traffic is now accessed through mobile devices, often using data plans with limited data. Converting images to WebP can reduce data usage and improve load times for users on mobile devices.

💡Data Plan

A data plan is a subscription service provided by mobile network operators that allows users to access the internet on their mobile devices. The video script discusses how many people access websites through their data plans, which can be limited and affect the performance of websites with large image files.

💡Image Compression

Image compression is the process of reducing the size of an image file, often to improve load times and save bandwidth. In the video, the Imageify plugin is introduced as a tool to compress images and convert them to the WebP format, which is more efficient for web use.

💡Imageify Plugin

The Imageify plugin is a tool for WordPress that automates the process of compressing and converting images to the WebP format. It is mentioned in the video as a solution for optimizing images without manually converting and re-uploading each one, thereby saving time and effort.

💡API Key

An API key is a unique identifier used to authenticate a user, developer, or calling program to an API. In the context of the video, an API key is provided by Imageify after creating an account, which is then used to enable the plugin's features for image optimization.

💡Optimization Level

The optimization level refers to the degree of compression applied to an image. The video discusses different levels such as 'normal', 'aggressive', and 'ultra', each offering a trade-off between image quality and file size. Choosing the right level ensures that images are optimized for the web without compromising too much on quality.

💡Bulk Optimizer

A bulk optimizer is a feature that allows multiple images to be processed at once, rather than one by one. In the video, the Imageify plugin's bulk optimizer is shown being used to compress and convert all existing images in a WordPress media library to the WebP format.

Highlights

WebP is a newer type of image format that is significantly more efficient than PNG or JPEG.

WebP images are up to 26% faster than PNG and 25-34% smaller than JPEG.

Over 56% of website traffic is accessed through mobile devices, emphasizing the need for efficient image formats.

Many mobile users access websites through data plans where data is limited.

WebP enables serving images that use less data and load faster, improving user experience on mobile devices.

Large image files can significantly slow down a website, especially on WordPress platforms.

Imageify is a free plugin that can convert images to WebP and compress them.

The plugin provides a step-by-step process for converting and compressing images.

Users can create a free account with Imageify to get an API key for the plugin.

Different optimization levels are available: Normal, Aggressive, and Ultra, affecting image quality and file size.

Auto optimize images on upload feature can automatically compress images as they are added to the library.

Option to back up original images before compression to retain the original file.

WebP format option allows creation and display of WebP versions of images for faster loading.

Resize larger images feature can significantly reduce server space usage by scaling down large images.

Free account users have a limit on the number of compressions per month; paid accounts offer unlimited compressions.

Select specific image sizes to optimize based on their usage to manage the monthly compression limit effectively.

Bulk Customizer or Bulk Optimizer allows users to optimize all existing images in the media library at once.

Optimized WebP images can be served on the front end of a WordPress website for improved performance.

Paid plans for Imageify are available for users requiring unlimited compressions.