Fix Core Web Vitals (LCP, CLS) + Performance Optimisation

We need an experienced WordPress developer to fix Core Web Vitals issues on a live business website acrss the site.

This is not a basic plugin job. We need someone who understands real performance issues such as rendering delays, layout shifts, and asset loading.

Current Metrics

Core Web Vitals: Failed
LCP: 3.8s
CLS: 0.12
FCP: 3.5s

Current stats

100 Performance
92 Accessibility
100 Best Practices
100 SEO

Based on Chrome UX Report (real users)

Objectives

Reduce LCP to under 2.5s
Reduce CLS to under 0.1
Improve real-world performance (not just Lighthouse)

Possible Issues

Cache lifetimes not optimised
Image delivery needs improvement
Font loading delays
Layout shifts (CLS issues)
Large DOM size
Network dependency chain affecting LCP

Tech Stack

WordPress
Astra Theme (child theme)
Elementor
Dedicated server
Redis Object Cache (installed, not active)

Scope of Work

Identify root causes of performance issues
Fix LCP (hero loading, render blocking resources)
Fix CLS (layout shifts from images, fonts, dynamic elements)
Optimise CSS, JS, fonts, and images
Improve caching and asset delivery
Ensure no layout or functionality issues

Requirements

Do not rely only on plugins
Do not break layout or navigation
Test on live frontend (not just Elementor editor)
Provide before/after performance results

Deliverables

Core Web Vitals passing or significantly improved
Summary of changes made
Before and after metrics

To Apply
Include:

Examples of similar work
What you think is causing the issues
Your approach to fixing them
Budget

Open to fixed-price proposals only, completion within 7 days