Core Web Vitals Technology Report: Analysis of Popular CMS Performance in 2024

Article image Core Web Vitals Technology Report: Analysis of Popular CMS Performance in 2024
Article image Core Web Vitals Technology Report: Analysis of Popular CMS Performance in 2024
Publication date:18.12.2025
Blog category: Web Technology News

The article examines the results of the 2024 Core Web Vitals report, which found that five of the six most popular content management systems (CMS) showed a decline in performance compared to the beginning of the year. The data collected by HTTPArchive helps to understand why the performance indicators are decreasing.

## Parsing Core Web Vitals data

Core Web Vitals (CWV) ratings are based on real-world usage and laboratory data. Real-world data comes from the Chrome User Experience Report (CrUX), and lab data comes from the public HTTP Archive dataset. This data is used to create the Core Web Vitals technology report, which allows you to evaluate the performance of mobile and desktop versions of various CMS, and also provides data on the weight of JavaScript, CSS, HTML and images.

"HTTP Archive evaluates individual web pages, not entire websites. And due to capacity limitations, HTTP Archive is limited to testing one page per website. The most logical page to test for a given website is its homepage or root page of origin." - HTTP Archive.
## Core Web Vitals Performance Winner

🚀 The highest Core Web Vitals performance among the six CMSs compared was shown by Duda, a closed website building platform used by agencies and developers to build and manage large portfolios of client sites. 71% of visits to sites built on Duda resulted in a good Core Web Vitals score. Duda's score is 13 percentage points ahead of runner-up Squarespace, another closed website building platform.

## WordPress is speeding up, but other factors are slowing it down

🚀 Although WordPress is in sixth place, its performance has not decreased as much as other leading content management systems. This likely reflects the many performance improvements that come with each new version of WordPress. WordPress 6.5, released in early April 2024, included more than 100 performance improvements for the backend and frontend.

  • 📌 An important factor that usually affects performance is the average page weight, which is measured in bytes transferred over the network. The average page weight of WordPress sites increased from 568.48 in January to 579.92, an increase of 11.44.
FAQ:

Which CMS had the best performance according to Core Web Vitals?

The best result was shown by the Duda platform with an indicator of 71%.

What factors affect CMS performance?

CMS performance is affected by various factors, including page weight, image upload size, JavaScript, CSS, and HTML usage.

Does WordPress performance improve with each new release?

Yes, the WordPress team is constantly working to improve performance by introducing new features in each new version.

🧩 Summary: Duda is the leader in Core Web Vitals performance, outperforming all compared CMSs. Squarespace, Wix, and Drupal are not far behind. Of the six platforms in this comparison, only Squarespace was able to improve its performance this year. All other platforms in this comparison performed worse in April compared to the beginning of the year.
🧠 Own considerations: Although WordPress comes last in this comparison, it's important to note that it continues to grow and improve. I am sure that over time WordPress will be able to compete with other CMS, in particular thanks to continuous improvement and active development of the community.