How UAWC Improved Core Web Vitals and Boosted SEO & Conversions by 45%
In just 6 weeks, we transformed our website with failing Core Web Vitals into a fast, stable, conversion-focused experience.
We optimized Core Web Vitals across all key templates - homepage, service pages, and blog section.
Table of contents
Problem
The website was failing Core Web Vitals, which caused slow loading, layout instability, and inconsistent user experience. As a result, rankings and conversion rates were negatively affected.
Key Indicators:
- LCP: 2.4s
- CLS: 0.35
- INP: 77ms
Source: Google PageSpeed Insights
How We Fixed It
We executed a structured, sprint-based optimization approach focused on measurable UX improvements.
1. Audit & Diagnostics
Used PageSpeed Insights, Lighthouse, and Chrome UX Report to identify performance bottlenecks and layout instability.
2. Quick Wins
- Converted heavy images to WebP and enabled lazy loading
- Reduced render-blocking scripts
- Prioritized above-the-fold content to improve initial load
3. Advanced Fixes
- Implemented code-splitting and deferred non-critical JavaScript
- Set fixed dimensions for media and banner assets to prevent layout shifts
- Preloaded fonts and critical resources for faster rendering
4. Monitoring & QA
Continuous CrUX and GA4 monitoring to validate improvements and track UX impact over time.
Results
All Core Web Vitals successfully passed, providing a faster, more stable browsing experience and measurable business impact.
Performance Improvements:
- LCP: 2.4s → 1.4s (-42%)
- INP: 77ms → 63ms (-18%)
- CLS: 0.35 → 0.0 (-100% layout shift)
- Performance Score: 85 → 91
- SEO Score: 92 → 100
Business Outcomes:
- +27% organic traffic growth within 2 months
- +45% conversion rate uplift
Performance Metrics Comparison:
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FAQ
What are Core Web Vitals and why are they important for SEO?
How did UAWC improve website speed and conversion rate by 45%?
Which tools were used to measure and track improvements?
How quickly can Core Web Vitals improvements impact SEO results?
Can Core Web Vitals optimization help eCommerce sites too?
