Google’s June 2024 CrUX data reveals performance improvements that are anticipated to influence the Page Experience Ranking Factor.
The June 2024 Chrome User Experience Report (CrUX) has been released. It shows an overall improvement in Core Web Vitals (CWV) performance scores for real-world websites. Notably, some enhancements are due to a revised method for measuring Interaction with Next Paint, which benefits websites featuring dialog modals (popups).
CrUX Dataset
The CrUX dataset includes real-world Core Web Vitals performance scores collected from Chrome browsers during website visits. This data is sourced from browsers that have opted to share performance metrics. Tools like PageSpeed Insights and various third-party services make the CrUX dataset publicly available.
CrUX Influences Page Experience Ranking Factor
The CrUX report is key to Google’s Page Experience Ranking Factor. This publicly available data allows for the evaluation of website performance, including that of competitors. CrUX is crucial as it provides a few metrics related to a website’s ranking factors that publishers can access.
As noted in Google’s documentation:
“The data collected by CrUX is available publicly through various Google and third party tools and is used by Google Search to tell the page experience ranking factor.” While the Page Experience Ranking Factor might have a relatively minor impact, it remains significant for other reasons, such as enhancing conversions and increasing ad clicks.
June 2024 Dataset
The June 2024 dataset has been released, revealing a modest but steady improvement in Core Web Vitals (CWV) performance scores across the board. This indicates a continued emphasis on website performance. Many popular content management systems are actively working on enhancements, with WordPress showing positive progress with each new version.
The following scores are for origins, which represent the entire website as compared to individual pages:
Largest Contentful Paint (LCP) Measures the speed that the main content of a page loads, much focusing on the most prominent visible image or content block in the viewport.
- 63.4% (↑ 2.0%) had good LCP
Cumulative Layout Shift (CLS) Assesses the stability of a web page layout, tracking how long it takes for the page to stop shifting and jumping.
- 77.8% (↑ 0.5%) had good CLS
Interaction to Next Paint (INP) Tracks the responsiveness of a web page to user interactions.
- 84.1% (↑ 1.1%) had good INP
Percentage of Sites with Good CWV Represents the proportion of sites that met the performance criteria across all three Core Web Vitals metrics.
- 51.0% (↑ 2.3%) had good LCP, CLS, and INP
Changes to INP Measurements
Chrome has revised its approach to measuring how long it takes for a page to become interactive (Interaction to Next Paint – INP), enhancing the accuracy of this metric. These changes may have contributed to higher INP scores for some previously underrepresented sites due to the metric’s limitations with specific popups.
According to the Chrome team:
“The Chrome team has been working to improve efficiencies in handling Core Web Vitals metrics and recently introduced updates to INP, which may have contributed to the positive trend observed this month. The key change involves better handling basic modal dialogs (alert, confirm, print). While these dialogs are synchronous and block the main thread—which is generally discouraged if alternatives are available—they do provide user feedback. Previously, these modals were not considered as presentation feedback for INP, potentially leading to inflated INP values for sites using them. Starting with Chrome 127, presenting a modal will mark the end measurement time for INP, leading to improved INP scores for those sites.”
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