Kraken Image Optimizer vs Optimus: In-Depth Comparison Guide

In today’s digital landscape, optimizing images for web use is a critical aspect of website performance and search engine optimization (SEO). Two popular image optimization tools, Kraken Image Optimizer and Optimus, offer websites the opportunity to compress and optimize their images with minimal impact on quality. As content creators and website managers, we constantly seek the best tools to enhance our site’s performance and user experience.

Kraken Image Optimizer is a powerful solution that helps compress images without a significant loss in quality. It achieves this by offering various levels of compression, suitable for different types of images. On the other hand, Optimus is a more straightforward, easy-to-use plugin that works seamlessly with WordPress websites to optimize images on-the-fly. Both tools offer unique features and benefits, but understanding their differences is key to selecting the right solution for your website optimization needs.

Key Takeaways

  • Kraken Image Optimizer and Optimus offer unique benefits for image optimization on websites.
  • Detailed feature analysis and pricing evaluations can help determine the best tool for your specific needs.
  • Compatibility with web applications and SEO impact should be considered when choosing an image optimization plugin.

Defining Kraken Image Optimizer and Optimus

Origins and Founders

Kraken Image Optimizer is an image optimization platform that offers robust API, making it a reliable choice for developers. It was founded in 2012 and has since become a popular choice for optimizing and compressing images. With features such as lossless, lossy, and ultra compression modes, automatic image resizing, thumbnail, and WebP format conversion, Kraken has proven itself as a powerful tool for improving website performance source.

On the other hand, Optimus Image Optimizer is known for its lightweight and efficient approach to optimizing images. It was founded in 2013 in Switzerland and is backed by a team of dedicated developers. Optimus focuses on providing just the right balance between image quality and file size reduction, optimizing images for faster loading times and improved user experience source .

Both Kraken and Optimus have their roots in Europe, representing the regions of Germany and Switzerland respectively. While Kraken operates under the company name of, Optimus is developed and maintained by the team at the German-based company KeyCDN.

We believe that understanding the origins and founders of these two image optimization tools helps provide the necessary background information for users to make an informed decision when choosing between Kraken and Optimus. By appreciating their features and advancements over time, we can provide a confident, knowledgeable, and unbiased perspective on these options.

Detailed Feature Analysis

In this section, we will discuss the features of both Kraken Image Optimizer and Optimus Image Optimizer in detail. We will cover important aspects such as API, website, CDN, WordPress integrations, optimization, and more.

Kraken Image Optimizer Features

Kraken Image Optimizer offers a powerful API, enabling developers to easily integrate it into various platforms, including websites and WordPress. It provides a CDN, ensuring optimized image delivery across different servers and improving user experience.

Kraken provides both lossless and lossy optimization with adjustable quality settings. This allows users to strike a balance between image quality and compression, with potential reductions in file size of up to 25% to 30% for lossy compression. Kraken also supports WebP conversion, providing even better optimization for supported browsers.

The WordPress plugin makes it easy to optimize images directly within the CMS, streamlining the image optimization process.

Features offered by Kraken include:

  • API for easy integration
  • CDN for improved user experience
  • WordPress plugin for seamless optimization
  • Lossless and lossy optimization
  • WebP conversion

Optimus Features

Optimus Image Optimizer also comes with a well-documented API, allowing developers to integrate its functionalities into various platforms. Optimus offers a free version with a file size limit of up to 100 KB, allowing users to test its capabilities before committing to a paid plan.

With its WordPress plugin, users can easily optimize their images directly within the CMS. Optimus offers lossless optimization and can optimize all image formats, including PNG, JPEG, and GIF files.

The main features of Optimus include:

  • API for quick integration
  • WordPress plugin for image optimization
  • Lossless optimization
  • Support for all common image formats

While both Kraken and Optimus provide effective image optimization, Kraken has a few additional features, such as CDN integration and more flexible optimization options. On the other hand, Optimus can be an excellent choice for those who prefer lossless optimization and require a solid solution for a limited file size.

Comparative Analysis of API Access

As we delve into the comparison between Kraken Image Optimizer and Optimus Image Optimizer, one crucial aspect to consider is API access for developers. In today’s fast-paced digital landscape, it is essential for businesses to utilize API access for seamless integration and customization of image optimization tools.

Kraken Image Optimizer offers a robust API that allows developers to access a wide range of features, including image resizing, cropping, and optimization. The API is well-documented, providing clear instructions for integration with an assortment of programming languages, such as PHP, Java, Node.js, and Python. Besides, offers webhook support, enabling users to receive real-time notifications on image optimization tasks.

On the other hand, Optimus Image Optimizer provides developers with its API access, facilitating efficient communication and control over image optimization processes. The API offers basic optimization and resizing capabilities but lacks some advanced features compared to However, integrating Optimus API into a project is straightforward, as it is available for PHP and can be utilized with popular content management systems like WordPress.

API access plays a vital role in ensuring the smooth performance of both Kraken and Optimus image optimization tools. We have observed that both solutions offer valuable options for developers, albeit with some differences in features and support for programming languages. Ultimately, choosing an appropriate image optimizer depends on the specific requirements and expectations of users in terms of API access and customization possibilities.

Exploring Vendor Details

Kraken Vendor Details

At, we offer a high-performance image optimization solution for developers and site owners looking to improve their website’s loading speed and user experience. Our headquarters are located in the United States. offers various plans, including free accounts with limited features as well as premium tiers that unlock more advanced functionality.

Our services are designed to reduce the size of image files without sacrificing the quality, which enables websites to load faster and consume less bandwidth. We support popular image formats such as JPEG, PNG, and GIF. Additionally, our API integration makes it easy for developers to integrate into their projects, streamlining the optimization process.

Optimus Vendor Details is another reliable image optimization service available for website owners and developers. The main objective is to reduce image file sizes while maintaining image quality, thus improving website load times and optimizing bandwidth usage. supports several image formats, including JPEG and PNG files. They offer a range of pricing options, catering to individual bloggers, small-to-medium-sized businesses, and enterprise clients. By providing an easy-to-use interface, allows users to quickly optimize their website images without any hassle.

In conclusion, both and offer valuable image optimization solutions. Prospective clients can weigh their options based on factors such as pricing, feature sets, and integration capabilities to find the service that best fits their requirements.

In-Depth Pricing Evaluation

Kraken Pricing offers a variety of pricing plans based on the amount of data processed per month. Monthly plans are as follows:

  • 2GB of images for $9/month

  • 60GB of images for $79/month

Payments can be made using a credit card, and several pricing details to consider include the amount of data allowed within each plan and potential cost savings for users with higher image optimization needs. Keep in mind, overage costs may apply if monthly limits are exceeded.

Optimus Pricing

With Optimus, the pricing model differs from Optimus offers an annual flat rate for its plans, which can be more cost-effective for some users. The Optimus HQ Image Optimizer plan provides the same basic functionality as, but at a potentially lower annual cost. Processing limits and other pricing details for Optimus can be found on their website when considering the best package for your specific needs.

Similar to, payments for Optimus are made using a credit card, and users should analyze their image optimization requirements when selecting the appropriate plan to avoid any overage fees or limitations.

Image Optimization Plugins and Alternatives

In this section, we will be discussing two popular image optimization plugins, Kraken Image Optimizer and Optimus, along with their alternatives.

Kraken Plugins and Alternatives

Kraken Image Optimizer is a powerful and user-friendly plugin designed to optimize images on your WordPress site. This plugin is known for its efficient image compression, with both lossy and lossless options available. However, there are also various alternatives available for image optimization, such as:

  • Smush: The most popular WordPress image optimization plugin for lossless compression. It can handle individual image files of up to 5 MB and can also compress images in bulk.

  • TinyPNG: Another well-known optimization plugin that focuses on reducing image file sizes without compromising on quality.

  • ShortPixel: A popular plugin that balances image optimization and quality, offering both lossy and lossless compression options.

  • WPCompress: This plugin focuses on simplicity and automation, with an easy-to-use interface and automatic image optimization upon upload.

  • EWWW Image Optimizer: A plugin that offers both compression and optimization, EWWW Image Optimizer can optimize images in various formats, including JPG, PNG, and GIF.

Optimus Plugins and Alternatives

Optimus Image Optimizer is another popular plugin known for its simplicity and speed. It provides both lossless and lossy compression, depending on the user’s preference. However, there are also many alternatives available for image optimization, such as:

  • Imagify: A well-rounded plugin that focuses on optimizing images with minimal loss in quality while maintaining a quick and user-friendly experience.

  • An API-based plugin that automatically compresses image files upon upload, reducing image sizes while maintaining their quality.

  • WP Engine: A hosting solution that includes image optimization plugins as part of their managed hosting plans.

  • ImageOptim: A desktop application that allows for fast and efficient image optimization, offering an effective alternative for those who prefer an offline solution.

In conclusion, both Kraken Image Optimizer and Optimus Image Optimizer offer efficient and user-friendly solutions for optimizing images on WordPress sites. However, there are plenty of alternatives available for those seeking additional features or other methods of optimization.

Compatibility with Web Applications

When it comes to optimizing images for the web, two of the most popular options available are Kraken Image Optimizer and Optimus Image Optimizer. In this section, we will discuss their compatibility with various web applications, such as WordPress, Web Application Firewalls (WAF), Magento, and servers.

WordPress is a widely used content management system, and both Kraken and Optimus offer dedicated WordPress plugins for seamless integration. The Kraken plugin provides automatic optimization of newly uploaded images, as well as the option to optimize images already present in the media library. Similarly, the Optimus plugin offers bulk optimization features, enabling users to compress multiple images at once for improved user experience.

Regarding compatibility with Web Application Firewalls (WAF), we found that both Kraken and Optimus work well alongside most WAFs without any conflicts. Since these image optimization services operate independently of the web application, the chances of encountering issues with WAFs are minimal.

For e-commerce platforms like Magento, Kraken offers a dedicated extension to optimize images, while Optimus does not have a native Magento module. However, Optimus can still be utilized through third-party integrations for Magento users looking to optimize their images.

In terms of server compatibility, both Kraken and Optimus operate on various server environments, including shared hosting, VPS, and dedicated servers. They offer compatibility with popular server platforms like Apache, Nginx, and LiteSpeed. As long as your server supports image manipulation libraries such as GD or Imagick, you can seamlessly use these image optimization services.

In conclusion, both Kraken Image Optimizer and Optimus Image Optimizer offer extensive compatibility with popular web applications, ensuring an efficient and hassle-free image optimization process for website owners and developers. By considering the specific needs of your web application, you can choose the most suitable option between Kraken and Optimus to enhance the overall user experience of your website.

Exploring Support and Training Options

When it comes to image optimization tools like and Optimus Image Optimizer, exploring the support and training options provided by each is essential for seamless integration into our workflow. Understanding these aspects allows us to maximize the benefits and minimize any potential issues. offers an extensive range of support options such as documentation, an FAQ section, and email support. Detailed documentation is essential for helping us understand the tool’s features and deployment methods, while the email support ensures that we can resolve any concerns or inquiries from their professional team.

On the other hand, Optimus Image Optimizer has similar support options like, with comprehensive documentation and email support system in place. In addition, both and Optimus offer integration guides to help us get started on our chosen platform seamlessly.

In terms of training options, and Optimus Image Optimizer rely on their documentation, FAQ sections, and integration guides to aid users in fully understanding their products. While there are no specific training programs, the user guides and resources provided by both tools are clear and comprehensive enough for us to grasp their functionalities and make the most of their features.

In conclusion, both and Optimus Image Optimizer provide reliable support and self-guided training options. By assessing the provided resources and taking advantage of their support systems, we can ensure that we effectively leverage their image optimization capabilities to enhance our projects.

Media Formats and Devices

In today’s digital world, it is crucial to cater to different media formats and devices, ensuring seamless user experience. Kraken Image Optimizer and Optimus both understand the importance and support various formats for images and devices.

We find that Kraken Image Optimizer provides support for popular image formats, such as JPEG, PNG, and GIF. It optimizes images without significant loss in quality, ensuring that the images load faster without compromising visual appeal. On the other hand, Optimus focuses on lossless compression of JPEG and PNG files, maintaining the highest image quality standards.

When it comes to video content, neither Kraken nor Optimus offer solutions for video optimization. However, their primary focus remains on reducing image size and improving website performance.

With the rise in popularity of mobile devices, such as tablets and smartphones, it is essential that websites cater to these platforms and provide an optimized experience. Kraken and Optimus both ensure that images are delivered efficiently on various devices. They achieve this by resizing images dynamically based on the device’s viewport, which conserves bandwidth and reduces page load times.

Kraken supports responsive designs, which is crucial on mobile and tablet devices. Their image optimization and reduction in file size enable faster loading times, critical for users browsing on slower mobile networks. Similarly, Optimus also focuses on mobile-friendliness, ensuring that images look sharp on different screen sizes without compromising speed or performance.

In summary, both Kraken Image Optimizer and Optimus offer solutions that cater to various image formats and devices. Optimizing images for different viewports, they ensure that users on multiple platforms enjoy high-quality visuals without sacrificing performance.

SEO Impact and Considerations

When optimizing images for our website, it’s important to consider the impact on SEO as well as the overall quality and user experience. By choosing between Kraken Image Optimizer and Optimus, we can ensure that our images are optimized for both.

One crucial aspect of image optimization is file size reduction. Smaller file sizes lead to faster page load times, which directly influence SEO rankings. Both Kraken and Optimus offer excellent compression options, but it’s important to strike the right balance between compression and image quality. Overly compressed images may load quickly, but they can also compromise the user experience.

Another critical factor is image format. For SEO purposes, we should stick to the most widely accepted formats, like JPEG and PNG. These formats tend to offer great quality and compression levels, making our images more SEO-friendly. Kraken and Optimus both support these formats, ensuring that our images meet SEO requirements.

Alt text is a crucial element in image SEO, as it gives search engines additional context about our images. Both Kraken and Optimus allow us to add alt text, which not only helps with SEO but also improves accessibility for users with visual impairments. Including relevant and descriptive keywords in our alt text can further boost our SEO efforts.

Lastly, unique and high-quality images play a significant role in user experience. When our images are visually appealing and relevant to our content, it keeps visitors engaged and conveys our brand’s identity effectively. Both Kraken and Optimus excel in maintaining image quality while optimizing for SEO, ensuring that our website offers an engaging experience for users while improving our search engine rankings.

Role of CDN Services

When it comes to optimizing images for websites, services like Kraken Image Optimizer and Optimus play a crucial role in reducing file sizes and enhancing loading times. However, there’s another essential factor that significantly impacts website performance – Content Delivery Networks (CDNs). In this section, we’ll discuss the role of CDN services and their compatibility with popular platforms like KeyCDN and WP Engine.

CDN services work by caching content on multiple servers located all around the world. When your website visitors request a page, the closest server delivers the content, resulting in faster loading times and a better user experience. This method also helps in distributing traffic, preventing overload and crashes on your main server, and adding an additional layer of security.

Integrating a CDN service into your website is essential, especially if you have a global audience. One popular CDN provider is KeyCDN, which ensures quick content delivery regardless of the user’s location. With an extensive network of servers across the globe, KeyCDN efficiently delivers static content, including images optimized by Kraken Image Optimizer or Optimus.

Another well-known platform, WP Engine, also offers a reliable CDN service. As a managed WordPress hosting provider, WP Engine focuses on delivering robust solutions, including an integrated CDN service that seamlessly works with your website. This feature, combined with the powerful image optimization tools like Kraken and Optimus, creates an outstanding performance boost for any website.

In conclusion, CDN services, such as KeyCDN, and WP Engine, are crucial for ensuring that optimized images reach your website visitors promptly. Collaborating with image optimization tools like Kraken and Optimus, these CDN services lead to a fast, secure, and efficient website that benefits both users and website owners alike.

Additional Conversations: Optimole and EWWW

While we mainly focus on Kraken Image Optimizer and Optimus in our article, it’s worth mentioning two other popular image optimization plugins: Optimole and EWWW Image Optimizer. Both of these plugins offer additional features and benefits that might appeal to different users.

Optimole is a cloud-based optimization service that provides real-time resizing capabilities. This means that it effectively optimizes images without the need for manual adjustments or repetitive bulk processing. Its user-friendly interface and integration with popular web services make it an attractive choice for those who prioritize ease of use and seamless integration.

On the other hand, EWWW Image Optimizer offers a wide range of optimization features for different image types. It supports various file formats, including JPG, PNG, and WebP, making it a versatile choice for users who work with multiple formats. One distinct characteristic of EWWW is its ability to optimize images locally without relying on a third-party server, which may provide an extra layer of security for some users.

As we compare these two plugins, it’s crucial to consider factors such as compression techniques, support, integration, pricing, and image quality. Understanding the specific requirements of your business or project will help you choose the most suitable plugin.

In conclusion, Optimole and EWWW Image Optimizer offer distinct advantages over Kraken Image Optimizer and Optimus in certain scenarios. By identifying the specific needs of your business, you can make an informed decision on which image optimization plugin to implement.

Frequently Asked Questions

What are the key differences between Kraken Image Optimizer and Optimus?

Both Kraken Image Optimizer and Optimus are image optimization tools for WordPress, but they have some differences. offers ultra-fast optimization and support for large files up to 32 MB in size, with both lossy and lossless compression options source. On the other hand, Optimus focuses on lossless compression and smart image compression source.

How do Kraken Image Optimizer and Optimus compare in terms of performance?

In terms of performance, both Kraken Image Optimizer and Optimus are efficient in compressing images without compromising quality. However, may have an edge in file size reduction and speed source. While Optimus offers up to 70% file size reduction source.

Which image optimizer plugin is better for WooCommerce, Kraken or Optimus?

Both Kraken and Optimus can be used for optimizing images in WooCommerce stores. Your choice will depend on your specific requirements, such as file size restrictions, preferred compression options, and pricing. It would be best to try both plugins to see which one works best for your WooCommerce store.

Do Kraken Image Optimizer and Optimus have compatibility with popular WordPress themes?

Yes, both Kraken Image Optimizer and Optimus are compatible with most popular WordPress themes. They work seamlessly without any issues, as they both operate on the server side to optimize your images, making them well-suited for any WordPress theme.

How do the features of Kraken Image Optimizer compare to those of Optimus?

Kraken Image Optimizer offers more advanced features, such as support for larger file sizes up to 32 MB, ultra-fast performance, and both lossy and lossless compression options source. In contrast, Optimus focuses on lossless compression and smart image compression source. Your choice should depend on your specific needs, such as required compression levels and file size limits.

Are there any pricing differences between Kraken Image Optimizer and Optimus?

Yes, both Kraken Image Optimizer and Optimus have their pricing plans. While offers pay-as-you-go and monthly subscription plans, as well as a free tier with limited features source, Optimus provides a variety of pricing plans to fit different users’ needs source. It’s essential to compare the prices and features of both tools to determine the best option for your budget and requirements.

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