The Future of Core Web Vitals: How to Maintain Your Position in Google

Core Web Vitals have been one of the most significant changes to Google’s approach to ranking websites in the past decade. Since their launch, these metrics have gone beyond just a technical indicator to become the primary marker of a site’s quality in the eyes of search engines. 2024 saw key updates: FID replaced with INP, LCP and CLS requirements tightened, and that’s just the beginning.

This article explains what new performance requirements Google is imposing, why monitoring Core Web Vitals will become a development standard, and what tools will help you maintain (or regain) your top positions.

Slow sites become toxic for SEO: what Google is changing in 2025

Google is increasingly focusing not just on content, but on the user experience of the site. Key trends:

INP instead of FID: Google no longer measures only the first interaction, but evaluates the entire latency of a site's response to clicks, scrolls, and inputs — up to 200 ms.

New LCP thresholds: fast display of main content must be up to 2.5 seconds on mobile devices — or positions will drop.

CLS sensitivity: Even minimal element displacement affects user trust and UX evaluation.

The role of real user data (CrUX) is growing, so optimizing only staging versions or Lighthouse will not give the full picture.

Core Web Vitals are already impacting revenue: why businesses are losing traffic

Many companies ignore CWV until their search rankings drop. But increasingly, the situation occurs: the content is there, SEO is working, but traffic is dropping. The reason is that the site is simply inconvenient or slow.

Examples of losses:

E-commerce projects record a 15–30% decrease in conversions if the LCP exceeds 4 seconds.

Sites with CLS > 0.25 have a higher bounce rate and worse visibility in mobile search.

Projects with poor INP have negative behavioral signals, which reduces Google's trust in the site.

Even if the site is technically "live", it loses business results - and this is the most dangerous thing.

The new generation of CWV control tools: what will change

With the emergence of new metrics and increasing requirements, the arsenal of monitoring tools is also growing:

INP Monitoring in GA4 and Chrome UX Report: new real-time analytics.

SpeedCurve / Treo / Calibre: platforms that combine lab and field metrics.

Core Web Vitals API: the ability to integrate checks into your own analytics or admin panel.

GTM/GA4 events on LCP/CLS/INP: businesses see exactly how performance affects user behavior.

The task is not just to measure, but to react automatically: CI/CD, alerts, rollback in case of regression.

Requirements are growing: which metrics will become key in the coming years

Google is already testing and preparing to implement new metrics:

Responsiveness Index is an extension of INP that takes into account not only time, but also the context of interaction.

Long Animation Frame Time — delays due to animations and heavy JS.

Interaction Count vs Load Time — how long the user waits before they can do something.

The approach is changing: from assessing speed to assessing convenience. The user should not just see the site - he should use it comfortably.

What will happen to SEO if we don't adapt to the new CWVs?

Sites that do not comply with the updated CWV are already losing:

positions in mobile search, especially in local business;

user trust: high latency = fewer actions;

sales if the site loads longer than the competitor.

According to a survey by Google Developers, 82% of users will leave a site that slows down, even if the content is relevant.

This means — optimizing performance = direct impact on revenue.

How Glyanets helps adapt to the new reality of CWV

Glyanets Company implements automated solutions for full control of Core Web Vitals:

We set up INP, CLS, LCP monitoring via Google Tag Manager and GA4;

Integrate CWV testing into CI/CD pipelines: regression-free release;

We set up notifications about performance degradation in Telegram or email;

We optimize the site at the code level: fonts, images, JavaScript and CSS;

We conduct CWV audits with real business impact cases.

Gloss helps sites not just "meet" requirements, but stay ahead of changes and use performance as a competitive advantage.