CWV Report: Proprietary CMS Platform Outperforms Open Source

CWV Report: Proprietary CMS Platform Outperforms Open Source

Importance of Core Web Vitals

Core Web Vitals (CWV) is a set of metrics that measure real-world experience for loading performance, interactivity, and visual stability of the page. Site owners are recommended to achieve good Core Web Vitals for success with Search and to enable a great user experience generally. Along with this, other page experience aspects align with what the core ranking system seeks to reward.

Some of the core web vitals metrics include largest contentful paint, interaction to next paint, and cumulative layout shift. Each of these metrics providing their own perspective on different elements impacting how users interact and engage with a website. While developers need to think about “user experience” from a holistic perspective, these independent metrics help break down the different variables into smaller pieces that site owners can identify and fix technical issues across their website.

Tools for measuring and reporting Core Web Vitals

Several tools for measuring and reporting Core Web Vitals with their unique insights and recommendations, include Google Search Console, Google Analytics, PageSpeed Insights, WebPage Test, and Lighthouse. These tools equip site owners with the necessary data for measuring Core Web Vitals and making informed decisions for enhancing their website’s performance and user experience.

Impact of Core Web Vitals On Search Engine Rankings

Search engine rankings are significantly influenced by core web vitals. Websites optimized for Core Web Vitals are more likely to rank higher in search results since Goole utilize these metrics as a ranking criteria. A good CWV score is able to improve a website’s visibility, drive more traffic, and increase conversions. While, a poor Core Web Vitals score negatively impacts search engine rankings, which leads to decreased visibility and traffic.

Users are less likely to stay on a website that loads slowly, is unresponsive, or has unstable visual elements, which can result in higher bounce rates and lower engagement. Prioritizing Core Web Vitals enables site owners to enhance their search engine rankings, attract more visitors, and provide a better user experience. This not only aids in retaining users but also converts them into loyal customers, which ultimately drives the website's success.

How Is The Data Collected

The Chrome UX report (CrUX) uses data from Chrome users who opt in to share performance statistics as they browse, reflecting how real users experience websites. The HTTP Archive is running lab-based tests analyzing how sites are built and whether they follow performance best practices.

Ranking by November 2025 CWV Score

Duda is the number one ranked, while Wix ranked #2, with 74.86% of sites passing CMV. Squarespace ranked #3, Drupal ranked #4, and Joomla ranked fifth of sites passing CMV. At the last WordPress ranked in sixth position 6, fewer than half of WordPress sites met the CWV thresholds in this snapshot.

Why The Numbers Matter

Top-ranking deliver faster and more stable experiences across a larger share of sites, while platforms at the bottom expose a greater number of users to slower and less responsive pages.

Core Web Vitals scores translate into measurable differences in how users experience websites.

Do Content Management Systems Matter For Ranking?

Core Web Vitals are three specific measurements Google uses to judge how good your website is for visitors. Think like a health check for your site. Just like a doctor measures blood pressure, heart rate, and temperature, Google measures your site’s loading speed, responsiveness, and visual stability.

Google introduced these metrics and became an official ranking factor in June 2021, which means that your Core Web Vitals scores directly affect where your pages show up in search results. As of July 2025, only 44% of WordPress sites on mobile devices pass all three Core Web Vitals tests, which means more than half of WordPress sites are giving visitors a poor experience.

Core Web Vitals are part of Google’s page experience signals. While Google considers their impact on search rankings, they’re just one of many factors, and content quality and relevance remain the primary ranking signals. However, the user experience benefits are significant. Better core web vitals lead to faster, more responsive pages that keep visitors engaged. Furthermore, better core web vitals improve user engagement, which can indirectly benefit rankings through increased time on site and lower bounce rates. As per the recent data, pages ranking at position 1 are 10% has greater probability to pass Core Web Vitals scores than URLs at position 9, reflecting the significance of overall site quality and Google's holistic evaluation of websites.

The business impact of Core Web Vitals goes beyond SEO and directly affects your bottom line. Research from Deloitte and Google shows that improving page speed by just 0.1 seconds can boost retail site conversion rates by 8.4% and increase average order value by 9.2%