
Mobile site speed — USA optimization
Reduce load times, improve Core Web Vitals and lift conversions on mobile devices for e-commerce and WordPress sites.
Why mobile speed matters
Mobile users expect fast, smooth experiences. A 1s improvement can drive higher engagement, better rankings and more revenue. We focus on measurable Core Web Vitals wins across devices and networks in the USA market.
- Faster pages = lower bounce, higher conversions
- Search ranking improvements via Core Web Vitals
- Better UX for customers on mixed networks (4G/5G)
Speed audit checklist
- Core Web Vitals baseline (LCP, FID/INP, CLS)
- Real User Monitoring (RUM) setup for mobile
- Asset audit: images, fonts, JS/CSS bundles
- Server & CDN review
- Critical rendering path and lazy-loading
Services we provide
Image & media optimization
Automatic responsive images, WebP/AVIF conversion, and smart cropping to save bandwidth on mobile.
Critical CSS & JS splitting
Deliver only what's needed for first paint and defer heavy scripts to reduce Time to Interactive.
Hosting & CDN tuning
Edge caching, TTL policies and Brotli compression configured for US audiences and mobile throughput.
Case studies

Retail store — 46% faster LCP
We reduced LCP by 46% and increased mobile checkout conversion by 18% through media optimization and lazy-loading.

WordPress shop — 60% JS savings
We modularized theme scripts and implemented critical CSS to improve TTI and mobile user satisfaction.
Meet the performance team
Our engineers specialize in front-end performance, WordPress tuning and e-commerce optimizations tailored for the US market. We combine UX sensibility with measurable engineering fixes.
Frequently Asked Questions
Tools & metrics
| Metric | Goal (mobile) | Tool |
|---|---|---|
| LCP | <2.5s | PageSpeed Insights / RUM |
| INP / FID | <200ms | Lab + RUM |
| CLS | <0.1 | Chrome UX Report |
Ready to speed up your mobile site?
Book a performance review or request a tailored proposal for your US audience.