Optimize Images In WordPress – Image Compression And Optimization Plugins

Optimize Images In WordPress

Undeniably, lack of images creates a void on websites that seems difficult to be filled with any other element. After all, statistics show that your audience will only remember 10% of what they hear and 20% of what they’d read on your website. However, 80% of people remember what they actually see. Of course, you need to use high-definition images to maintain quality; however, compressing their sizes is an activity that shouldn’t be forgotten for a fast WordPress website. Or else, it can make your site load slower than expected. To do so, there are innumerable plugins available out there that can help you optimize images in WordPress.

However, before diving deep into the technical part, let’s get familiar with the necessity of image optimization and the kind of benefits it can bring you.

Why Should You Optimize Images in WordPress?

The significance of images in attracting leads and converting them into customers has been widely accepted. If your site takes over 3 seconds to load, the visitors are sure to desert it, which can leave a negative mark on your business.

However, adequately done image optimization can turn out to be a handy process not just in decreasing the loading time but in several other aspects.

Improves Page Load Speed:

Page speed is the measure of time taken by a site to load entirely. Right from your site host to site format and structure, it relies upon numerous components. The majority of online users highly prefers websites that can be loaded within 2 seconds or less.

Having a lot of pictures on the site might often take a toll on the loading speed, which is why proper compression and optimization becomes necessary.

Improves SEO Ranking:

Although Google has a lot of metrics to gauge the worth of a website for a higher rank on the search engine; however, loading speed and time spent on the site by users are critically significant.

Until or unless your site isn’t loading quickly, your target audience won’t get attracted towards it. But, once this issue is fixed, the probability of ranking higher becomes nothing but seamlessly achievable.

Boost Conversions:

There is no denying the fact that search engine optimization is one of the most significant sources from where you can obtain organic traffic. Hence, the higher your site is listed, the more visible it’ll become.

And, perhaps, it can increase the chances of boosting the conversion rate to a great extent. So, if you compress images in WordPress website, the higher rank on the SERP is going to be yours.

Enhanced User Engagement:

A happy customer is not a myth. And, if you haven’t experienced this reality yet, it’s time alter the way images function on your website. A whopping number of 39% of visitors stop engaging with the site if the images don’t load quickly.

You surely cannot afford to lose that segment of your audience just because you couldn’t optimize your images correctly, right?

Different types of images and their impact?

For the clueless beings, the fact is that there is a variety of formats and sizes in which images are available. While the low-quality image wouldn’t take more than a second to turn off your customers; a high-quality image can do as much as bring your conversion. Also, when it comes to compressing, formats should be changed suitably. Here are the widely-accepted formats you should know about:

  • JPEG

It is short for Joint Photographic Experts Group and is the most prevalent among the other forms. JPEG sizes are extremely lossy, which means, data can be lost from the first picture when you share it in a JPEG document. This is on the grounds that JPEG disposes of a large portion of the data to keep the picture size little; which implies some level of value simply gets lost.

  • PNG

PNG stands for Portable Network Graphics, which was released in the year 1996. The main feature of PNG is that it supports transparency, as the background of the image can be removed and be replaced by any other image.

  • GIF

It is, short for Graphics Interchange Format, is constrained to the 8-bit palette with just 256 hues. GIF is a well-known picture format on the web, due to the storage of low-color data for games.

Now that you’re well-aware of images, their importance, and the types, here are some of the most considerable plugins that you should be using.

List of 10 best WordPress image compression plugins.

EWWW Image Optimizer

Optimize images in WordPress

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EWWW Image Optimizer is apparently the best Image improvement module for WordPress. As a matter of fact, this tool performs lossless compress method; hence, there will be no compromise with your image quality. Moreover, it enables you to pick among lossy and lossless compress strategies.

This plugin can also perform compression on the server itself, saving you loads of time. Not just that, but you can even bulk optimize images in WordPress with this tool.


  • Quick compression
  • Mass upgrade
  • Lossless and lossy picture compression in the free version.


  • Limited functionality
  • A lot of setup required on the server
  • Difficult to use


Although you can use this plugin free of cost by downloading from the WordPress repository, however, it also has specific packages that can cost you a different amount per image. If you don’t wish to have that, you can even get the monthly package at $9/month.


Optimize images in WordPress

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Trusted by well-known companies and enterprises, this plugin can help you compress JPEG and PNG images to bring out the best result. Every time you upload a new image on the website, this plugin automatically optimizes it to make the size adequate. Extremely compatible with WooCommerce, this plugin can also alter the size of animated PNG along with providing you several other features.


  • Absolutely easy to work with
  • No signup required
  • Optimization with WordPress mobile app


  • No backup alternative
  • Limited option in the free version
  • Unclear instructions


The free version enables you to pack up to 500 pictures for each month, counting the thumbnail, medium, and large variations, which is all that could possibly be needed for general bloggers. But, once this benchmark is achieved, you’ll be charged, $0.009 per picture


Optimize images in WordPress

Imagify was made by the engineers of WP Rocket, a notable WordPress storing plugin. This tool significantly decreases picture size without influencing its quality. Moreover, this is the plugin you can rely upon if your intention is to auto-optimize images in WordPress.

Imagify enables clients to streamline pictures in three unique sorts of calculations:

  • Ordinary: A lossless compress calculation that doesn’t stretch the image quality
  • Forceful: A lossy compression calculation that results in a little loss of the value which generally goes unnoticed
  • Ultra: The most grounded compress technique utilizing a lossy calculation.

It gives a reinforcement alternative so you can effortlessly tweak your pictures in case you are discontent with the quality.


  • Optimizes thumbnail & retina images
  • Backup alternative available
  • Connect to API


  • Installation takes time
  • Might cause slight blurriness
  • Complex user interface


The free and premium plugin versions provide the same set of features. However, the difference lies in the number of files you can optimize. While the free plugin allows the optimization up to 25MB of data; the paid plan begins at $4.99/month for 1 GB of data.

WP Smush

Optimize images in WordPress

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With more than 3 million downloads, WP Smush is one of the most considerable plugins available in the basket of WordPress. The free form permits you to optimize pictures up to 1MB in size. If you have to streamline more significant records, you’ll need to move up to WP Smush Pro.

This tool uses an outside server for picture compression. Just with one click, you can compress 50 images at once. It uses a reliable and fast API; hence, it doesn’t let you experience any sort of downtime during the compression process.


  • Lossless compression
  • Ideal for beginners
  • Incorrect image size detection


  • Limited features in the free version
  • High price for the pro version
  • The performance difference isn’t significant


Apart from the free version available in the WordPress directory, the regular price of this service is just $99/month, and you may also get the chance to avail benefit on your first payment.

ShortPixel Image Optimizer

Shortpixels Optimize images in WordPress

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This one is another plugin to optimize images in WordPress that you can bet upon. Shortpixel Image optimizer is a basic, light-weight tool that offers PDF document streamlining along with JPG, GIF, and PNG pictures. Shortpixel utilizes lossy picture compress methodology to create desired results. Furthermore, it also works well with HTTP and HTTPS sites; therefore, you can be sure of great compatibility and proficiency.


  • No file size limit
  • Backup option available
  • Single API key use on multiple sites


  • Less control over optimization
  • Compressing takes time
  • Certain quality difference after compression


Keeping the free version aside, ShortPixel comes with three different types of pricing packages, ranging from monthly, one-time, to dedicated servers. The minimum cost of a package is $4.00, and the highest would be $1000. You can choose the adequate package according to your needs.


Optimize images in WordPress

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ImageKit is another option that should be definitely taken into consideration, thanks to its features. It uses URL-based real-time image optimization and transformation to customize pictures in a specific device without any significant efforts. And then, from a single master image, you can create different variations. This tool also comprises a smart crop with feature and face detection.


  • Easy to configure settings
  • Intuitive dashboard
  • Rich features


  • No video support
  • Unavailability of batch compression
  • Buggy control panel


This tool comes with two types of pricing plans; monthly and one-time. The least one can cost you $4.99/month, and the highest one would take away $$69.99/month from your pocket. You can also have a trial session of your favorite plan to see if it works for you or not.


Optimize images in WordPress

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Optimole can easily be the all-in-one solution for all of your image optimization requirements. With unusual and striking features, this plugin makes it easier to clear web pages from bloaty images. Its cloud-based transformation process optimizes pictures based on their format; thus, you wouldn’t have to worry about the compatibility. It also includes smart cropping to alter the image without losing quality.


  • Powered by a CDN
  • Dashboard outside of WordPress
  • Several amazing features


  • No option to save and back up the original image
  • Not optimum for very high-quality images


Sure, you can avail this plugin without paying any price, if that’s what you want. However, if you’re looking for better features and efficiency, you can go through one of its two packages. The cost of both of them currently is $10.62/month and $34.22/month. If you have some custom requirements, this tool fulfills them for you as well. You can download its free version from WordPress.

Conclusion: Optimize images in WordPress

A website that goes live without an adequate amount of elements always seems to be unattractive and unpleasing. Therefore, when it comes to images, you should not take any risk with their sizes.

Whether you’re uploading one image or multiple, it’s always recommended to alter their size before you post them on any of your web pages. So, to help you with this, above-listed are the options that you can consider to optimize images in WordPress.

The choice of plugin majorly depends on the set of features it has along with your image compression requirements. Make sure you’re clear of what you need and then take a step towards choosing a better plugin.

Do let us know which one you liked the most in the comments section.

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