Google Retires One Core Web Vital Metric and Introduces New One to Enhance User Experience
Google has announced the retirement of the First Input Delay (FID) metric, which measures the time it takes for the browser to process a user interaction, and is replacing it with Interaction to Next Paint (INP). INP, which assesses webpage responsiveness and user experience, is a more complete measurement of responsiveness, measuring both the delay and the time it takes for the website to react to user interactions.
INP has been available for use on PageSpeed Insights, with many third-party speed tests including it since May 2022 when it was officially released as an experimental metric. Google has now designated it as a pending Core Web Vital metric, to replace FID, as of March 2024. A score under 200 milliseconds means that the page is performing well, while a score between 200 to 500 milliseconds falls in the gray area that needs improvement, and scores higher than 500 milliseconds indicate poor responsiveness.
Developers, publishers, and SEO professionals striving to enhance website performance can optimize their websites for INP by addressing the common issues such as scripts loading too slowly and taking too long to fetch resources, as well as the time spent parsing CSS and HTML.
By optimizing for INP, ecommerce shops can determine which functionalities are critical for users to start shopping on a page, eliminate unnecessary scripts, and remove dysfunctionalities that users won’t miss.
For the next year, INP is a Pending Core Web Vital Metric, which is set to become an Official Core Web Vital in May 2024.
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