Cybersecurity & Managed IT
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Website Maintenance & Support
Core Web Vitals Optimisation
Pass Google's page experience signals
Google's Core Web Vitals are a set of real-world user experience metrics that directly influence your search rankings. Sites that fail these metrics receive a ranking penalty, while those that pass benefit from a positive signal. WebElev8 diagnoses your Core Web Vitals scores, identifies the specific issues causing failures, and implements targeted fixes to get your pages passing across both desktop and mobile.
Fixed Price Quoted in Writing
Direct UK Developer Support
Code Ownership After Full Payment
What this service solves
Clear reasons to choose this work, based on what your business needs.
01
Search Ranking Improvements
Passing Core Web Vitals contributes to a positive page experience signal, which Google uses as a tiebreaker in competitive search result positions.
02
Faster Perceived Load Time
LCP optimisation ensures your main content appears quickly, reducing the frustration that causes visitors to abandon your page before it finishes loading.
03
Stable Page Layout
CLS fixes eliminate the jarring layout shifts that occur when images, ads, or fonts load late and push content around the page, causing accidental clicks.
04
Faster Interaction Response
INP optimisation ensures your pages respond quickly to user interactions like clicks and taps, creating a smooth and responsive experience across all devices.
05
Better User Experience Metrics
Improved Core Web Vitals scores directly correlate with lower bounce rates, higher engagement, and more time spent on your site by real visitors.
06
Google Search Console Green Status
Our goal is to move all your URLs from failing (red) or needs improvement (orange) to passing (green) status in Google Search Console's Core Web Vitals report.
What is included
The exact scope is agreed in your written quote before work starts.
LCP (Largest Contentful Paint) Optimisation
We identify your LCP element, optimise its delivery through preloading, server response time improvements, and render path optimisation to achieve an LCP under 2.5 seconds.
INP (Interaction to Next Paint) Optimisation
We diagnose slow interaction handlers, break up long JavaScript tasks, and optimise event callbacks to achieve responsive interactions with an INP under 200ms.
CLS (Cumulative Layout Shift) Fixes
We identify all sources of layout instability including missing image dimensions, dynamically injected content, and web fonts causing FOUT, and implement fixes to achieve a CLS score under 0.1.
Field Data Analysis
We analyse real-world field data from the Chrome User Experience Report and Google Search Console, not just lab scores, to understand how actual visitors experience your pages.
Critical Rendering Path Optimisation
We optimise how your browser fetches and renders page resources, ensuring the most important content is prioritised and displayed to users as quickly as possible.
Web Font Optimisation
Web fonts are a common cause of both slow LCP and CLS. We optimise font loading using font-display strategies, preloading, and subsetting to eliminate font-related performance issues.
Third-Party Script Audit
Third-party scripts from analytics, advertising, and chat tools are often the biggest performance culprits. We audit, defer, and where possible replace or remove scripts that are harming your scores.
Page-by-Page Analysis
Core Web Vitals are assessed per URL, not site-wide. We audit your most important pages individually and provide targeted fixes for each, prioritising your highest-traffic and highest-value pages.
How the work runs
You see what is happening, what comes next and what needs your approval.
Phase 01
Diagnostics & Field Data Review
We pull your Core Web Vitals field data from the CrUX report via Google Search Console and PageSpeed Insights, identifying which URLs are failing and which specific metrics need attention.
Phase 02
Root Cause Analysis
For each failing metric, we perform detailed technical analysis using Chrome DevTools, WebPageTest, and tracing tools to pinpoint the exact technical issues causing the failure.
Phase 03
Fix Implementation
Targeted fixes are implemented for each identified issue, with changes deployed to staging and tested before being applied to your live site.
Phase 04
Verification & Monitoring
After implementation, we monitor your Search Console Core Web Vitals report and CrUX field data to confirm scores have improved, as field data typically takes 28 days to reflect changes.
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Frequently Asked Questions
What are the three Core Web Vitals metrics?
The three Core Web Vitals are Largest Contentful Paint (LCP), which measures loading performance; Interaction to Next Paint (INP), which measures responsiveness to user input; and Cumulative Layout Shift (CLS), which measures visual stability. Each has a 'good' threshold, and passing all three contributes to a positive page experience signal.
How much do Core Web Vitals affect my Google rankings?
Core Web Vitals are one of many ranking factors. They function as a tiebreaker, meaning that when two pages have similar relevance and authority, the one with better page experience signals may rank higher. For highly competitive keywords, passing Core Web Vitals can make a meaningful difference to your position.
My PageSpeed score is high but my Core Web Vitals still show as failing - why?
PageSpeed scores are based on simulated lab conditions, while Core Web Vitals are measured from real user data (field data). Your page may perform well in lab conditions but poorly for real users due to slower devices, network conditions, or third-party scripts that load differently in real-world scenarios.
How long does it take to see improvements in Core Web Vitals?
Technical fixes can be implemented relatively quickly. However, Core Web Vitals field data in Google Search Console reflects the past 28 days of real user data, so improvements typically take 28–56 days to show up in your Search Console report after fixes are deployed.
Do you fix Core Web Vitals for mobile and desktop separately?
Yes. Google assesses Core Web Vitals separately for mobile and desktop, and your search performance depends on both. Mobile scores are generally harder to achieve due to slower devices and networks. We address both sets of scores and prioritise mobile given its importance in Google's mobile-first indexing approach.