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PageSpeed.PRO has developed a professional optimization plugin that enables to achieve the best website performance.

The plugin is intended for tailor-made optimization.

suit Like a tailored suit that is made to fit only one person. Our engineers seek not just an improvement, but the actual best performance result for an individual website.

The optimization plugin supports any CMS and webserver including closed source CMS systems.

The plugin is very complete and contains the latest optimization technologies.

  1. Advanced CSS and Javascript optimization

    1. The latest professional software in Google Cloud with advanced tuning features.
    2. Advanced code-concatenation and file path control.
    3. Advanced render and exec optimization to load, render or execute only the CSS and Javascript required without affecting user experience.
    4. Advanced asynchronous Javascript and CSS loader.
    5. LocalStorage cache based CSS and Javascript loading for 'instant' speed.
  2. Advanced image editing and optimization

    1. Choice of all the latest optimization software including Google Guetzli AI.
    2. Advanced image editing using HTML attribute control (very easy to use). Editing features include resizing, cropping, adding a watermark and advanced photo editing filters.
    3. SEO image file paths (slugs).
    4. Parallel optimization in Google Cloud with unlimited scaling capacity that can optimize hundreds of images simultaneously in less than a second.
  3. Professional Critical CSS and Unused CSS removal

    1. Pixel perfect result for any website and design.
    2. Automated and for responsive designs.
    3. Custom developed software based on PostCSS (very robust in practice) which is better than any open source solution available.
    4. The software uses a Google Chrome browser in Google Cloud.
    5. Bypass Google CWV 'remove unused CSS' penalty purely on the basis of minimum CSS.
  4. State of the art frontend optimization technologies

    1. Client-side Google WebP image rewrite.
    2. Responsive and optimized background images for Javascript sliders.

      The plugin can optimize and responsify background images in complex Javascript image gallery plugins. There is no other technology that can do that while our plugin can do it for the best performance result possible including Google WebP and advanced image editing features (e.g. cutting to different sizes based on the viewport) that can be controlled through HTML.

    3. Advanced lazy loading of content.
  5. HTTP header optimization

    1. Advanced features for HTTP header optimization and control.
    2. HTTP security header optimization (e.g. content-security-policy) for an optimal Google security score.
  6. Conditional optimization

    1. The plugin can optimize individual pages which enables to achieve a perfect score for all pages on a website.
    2. The plugin can optimize a website based on an environment variables such as HTTP Client hints that provide information about the bandwidth and reliability of an internet connection.
    3. Support for multi-design and multi-CMS websites.

The plugin is high quality and costed many years to develop during which time free plugins were provided to up to 20,000 WordPress users.

Cost efficient

The Google Cloud based optimization software was designed for maximum cost saving on behalf of customers and can potentially run for free on Google Cloud within Google's free tier. There are ethical concerns from the perspective of tens of thousands of clients but it would be possible.

For long term cost efficiency and resilience optimizations are semi-automated using advanced logic created by the engineers so that an optimization can be low to zero maintenance (cost efficient) in practice while supporting more profound changes.

Core Web Vitals (CWV)

Google's Core Web Vitals (CWV) is a score system for measuring the performance of a website very accurately, on a user-experience level.

Test your website's Google Core Web Vitals (CWV) scores:


(2023) Google Core Web Vitals (CWV) Optimizing for quality of user experience is key to the long-term success of any site on the web. Core Web Vitals apply to all web pages, should be measured by all site owners, and will be surfaced across all Google tools. Source: | PageSpeed Insights

The plugin can provide perfect Core Web Vitals scores for all pages on a website and also for very complex Javascript heavy websites, without hindering functionality.

Google Core Web Vitals scores Google Core Web Vitals scores

International SEO

The internationalization plugin contains state of the art innovations for achieving a top position in Google in over 200 countries.

Website translation

Translation in many e-commerce CMS systems is unusable let alone for 50 languages. The plugin makes it cost efficient with a focus on quality for SEO.

The plugin provides semi-automated translation with both Google Translate and manual using professional .PO files (an industry standard used by translators) so that the best quality translation can be achieved with minimum costs.

The plugin makes it possible to automate the translation of just a tiny part of the website HTML to save costs.

The translation technology accepts advanced logic in HTML so that it is possible to override translation from within the HTML and to add complex localization logic using browser features such as local time format.

International page cache

The plugin provides a page cache in Google's international CDN infrastructure that provides the fastest server speed in every location in the world.

International page cache and CDN via Google's network International page cache and CDN via Google's network

Google's international network is very reliable and provides a SEO advantage for international ranking.


The plugin provides advanced routing and multi-domain support for internationalization.

International website performance

The optimization plugin is designed for international SEO and can optimize a website based on environment variables such as HTTP Client hints that provide information about the bandwidth and reliability of an internet connection.

The optimization plugin makes it possible to serve both high and low bandwidth internet users in the best way with the same website, without adding management complexity and without losing functionality.


The internationalization plugin enables to achieve durable top 10 rankings in Google, in over 200 countries.

Results of a demo website after just one year Results of a demo website after just one year

Receive a free price quote for tailored optimization: