The Core Net Vitals Know-how Report by the open supply HTTPArchive group ranks content material administration techniques by how effectively they carry out on Google’s Core Net Vitals (CWV). The July replace exhibits that each main platform has improved since June, however not all features had been equal. Joomla posted the most important month-over-month enhance, whereas Duda ranked first in July with 84.96% of web sites passing CWV.

Why Core Net Vitals Matter

Core Net Vitals (CWV) are metrics created by Google to measure how briskly, secure, and responsive an internet site feels to customers. Web sites that load rapidly and reply easily maintain guests engaged, whereas websites that fall quick frustrate customers and enhance bounce charges. For companies and publishers, CWV scores mirror the person expertise and competitiveness on-line.

How the Knowledge Is Collected

The CWV Know-how Report combines two public datasets:

  1. Chrome UX Report (CrUX): Knowledge from Chrome customers who decide in to share efficiency statistics as they browse. This displays how actual customers expertise web sites.
  2. HTTP Archive: Lab-based exams that analyze how websites are constructed and whether or not they observe efficiency finest practices.

Collectively, these sources present a constant image of how completely different web site platforms carry out on Core Net Vitals in the true world.

Proportion Change from June to July

#1 Joomla — largest acquire (+3.23%).

#2 Wix — +2.61%.

#3 Drupal — +1.47%.

#4 Duda — +1.33%.

#5 Squarespace — +1.27%.

#6 WordPress — smallest acquire (+0.90%).

This rating exhibits which platforms superior most in July. Joomla skilled the best degree of development, whereas WordPress improved the least. Wix’s CWV month over month efficiency  enchancment was a notable 2.51%.

Rating by July CWV Rating

Duda as soon as once more is the Core Net Vitals champion, ranked by the proportion of internet sites that has CWV rating.

#1 Duda — 84.96%

#2 Wix — 73.37%

#3 Squarespace — 68.93%

#4 Drupal — 60.54%

#5 Joomla — 54.78%

#6 WordPress — 44.34%

Joomla confirmed the quickest development, but it surely nonetheless ranked fifth in July. Duda led with the best total efficiency.

Why the Numbers Matter

Core Net Vitals scores translate into actual variations in how customers expertise web sites. Platforms with greater CWV scores provide quicker, smoother interactions, whereas these on the backside frustrate customers with slower efficiency. Whereas all six platforms within the comparability are enhancing month to month, what issues most is the precise expertise customers get proper now.

  • Duda is the Core Net Vitals champion in July with a rating of 84.96% of internet sites constructed with the Duda platform having CWV rating.
  • Joomla had the most important acquire, however nonetheless ranked close to the underside with solely 54.78% of web sites exhibiting CWV rating.
  • Wix and Squarespace ranked within the second and third locations, exhibiting sturdy efficiency however each considerably behind Duda by over ten share factors.
  • WordPress ranked final, each in July scores and within the month over month price of enchancment.

Do Content material Administration Techniques Matter For Rating?

I’ve seen discussions on-line about whether or not the selection of content material administration system has an influence on rankings. Some individuals assert that plugins make WordPress simpler to rank in Google.

There’s additionally a notion that WordPress is quicker than Wix, Duda, and Squarespace. The info, in fact, present that the alternative is true. WordPress is the slowest of the content material administration techniques on this comparability.

The share of web sites constructed with Duda that had Core Net Vitals rating is 84.96%. The share of WordPress websites with CWV rating is 44.34%. Which means Duda’s share of web sites with good CWV scores is about 92% greater than these constructed with WordPress.

One other problem with WordPress is that it has a substantial quantity of technical debt, one thing that non-public content material administration techniques wouldn’t have to wrestle with to the identical diploma. Technical debt refers back to the accumulation of outdated code and design choices that make it tougher to take care of, replace, or enhance the platform over time. It’s not distinctive to WordPress, but it surely is a matter due to how WordPress is constructed and the way its ecosystem works.

Some causes for WordPress’s technical debt:

  • WordPress was initially conceived as a running a blog platform and has developed right into a full CMS, in a position to be prolonged as nearly any type of web site.
  • Including new options on high of legacy code means workarounds should be made for backward compatibility, which creates complexity and slows down innovation.

Technical debt was a problem mentioned at WordCamp EU 2025, summarized on the official WordPress site as associated to contributor burnout:

“Burnout Disaster & Sustainability

  • Contributor burnout is pervasive attributable to:
  • Excessive volunteer calls for with inadequate systemic assist.
  • Lack of equitable monetary remuneration or stipends for ongoing work.
  • Strain to take care of legacy techniques and innovate new options results in overwhelming workloads.

Penalties

  • Lack of institutional information and skilled contributors.
  • Growing technical debt and slowed innovation cycles.
  • Menace to WordPress’s long-term ecosystem well being.”

WordPress has not too long ago moved to a slower annual launch cycle, and one of many advantages of that change (summarized by WordPress here) is that it offers the undertaking time to deal with the problem of technical debt.

The purpose is that if the content material administration system did affect the flexibility to rank, WordPress websites would in all probability wrestle to rank due to the comparatively poor efficiency scores and the slower tempo of growth when in comparison with personal content material administration techniques like Wix. However that’s not the case.

WordPress web sites rank very effectively regardless of all the problems with the platform, together with safety. So it might be that the selection of CMS doesn’t essentially matter for web optimization, particularly since personal options like Wix and Duda are purposely constructed with web optimization in thoughts. Nonetheless, efficiency is essential for issues that matter, comparable to conversions and the person expertise, and the actual fact is that the HTTPArchive Technology Comparison Report ranks WordPress final for Core Net Vitals efficiency in July.

Featured Picture by Shutterstock/Roman Samborskyi


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