CrUX & Lighthouse audits
Field-data review (CrUX) plus lab tests — LCP, INP, CLS broken down by template, with a prioritized fix list and before/after score targets.
Core Web Vitals Optimization · USA
Core Web Vitals Optimization that pass Google's mobile thresholds
I fix LCP, INP, and CLS on WordPress, Shopify, and custom US sites — SMBs, startups, local service businesses, and growing brands. CrUX-aware audits, real engineering (not AI page builders), and fixed USD quotes from a senior developer with 120+ shipped projects.
120+
Projects
1hr
US clients
5.0
Rating
24h
Quote reply
Built for United States business realities
CrUX & Lighthouse audits
LCP, INP & CLS fixes
WordPress & headless builds
Schema & technical SEO
Before/after PageSpeed reports
Fixed USD project quotes
Core Web Vitals Optimization for US sites
Hands-on performance engineering for WordPress, Shopify, and custom sites — not AI-generated page builders that fail mobile CrUX thresholds.
WordPress performance rebuilds
Theme bloat removal, block-theme migration, image pipelines, caching, CDN, and database hygiene so mobile PageSpeed actually moves the needle.
Shopify & headless tuning
Liquid section cleanup, app audit, script deferral, and headless WordPress + React/Next.js frontends when you have outgrown page builders.
From audit to passing scores
A focused four-step engagement — discovery, design, development, launch — usually completed in 2–4 weeks with daily async updates across the US–Pakistan time gap.
1
Discovery
WhatsApp or video call to map goals, languages, payment flows, and the pages United States customers need to see before they trust you.
2
Design
Figma mockups aligned with GCC brand expectations — clean typography, premium photography slots, mobile-first layouts reviewed before code.
3
Develop
Hand-coded WordPress or Shopify build with bilingual structure, gateway integration, speed hygiene, and working forms on staging.
4
Launch
DNS, SSL, analytics, Search Console, redirect map if migrating — plus a post-launch window for fixes and training.
Why hire Zain
Senior website developer for United States — direct, scoped, US-ready
Based in Pakistan with daily US client work: you get senior craftsmanship, honest scoping, and a developer who actually replies on WhatsApp — not a sales team and not a junior subcontractor.
- Before/after Lighthouse & CrUX reports you can share with stakeholders
- LCP, INP, and CLS fixes — not generic “install a cache plugin” advice
- WordPress, Shopify, and headless stacks — hand-coded, not AI page builders
- Technical SEO: schema, sitemaps, crawl hygiene tied to performance
- Fixed USD quotes — Wire, Wise, Payoneer accepted
- 120+ shipped projects; long-term US client relationships
Core Web Vitals
US timezone calls
Senior dev direct
Meet your developer
Zain Saeed — your direct WordPress & Shopify partner
No account managers, no junior handoffs. You work directly with a senior developer who has shipped 120+ WordPress and Shopify builds for US and international clients — including contractor sites, e-commerce stores, and performance-focused marketing pages scoped in USD.
- 120+ projects shipped
- Shopify Partner
- 5.0★ Fiverr rating
- US timezone overlap
- Core Web Vitals specialist
Recent builds for service & commerce brands
The same conversion playbook I use for United States clients — premium UX, fast loads, and quote paths that work on mobile.
Service Business
Aegis Maritime Group
Maritime consulting site with custom inquiry routing and bilingual-ready structure for GCC operators.
View portfolioShopify · UAE
GCC storefront playbook
Shopify builds for UAE merchants — COD, Arabic UX patterns, and Markets-ready multi-currency flows.
Shopify — DubaiWordPress
AdaptAbility Ed Psychology
Multi-location service practice optimised for local search, trust signals, and direct booking enquiries.
View portfolioZain is one of the best web designers on Fiverr period. He has been my web developer for years.
Questions US teams ask about Core Web Vitals
Straight answers about performance optimization, CrUX thresholds, and what actually moves rankings.
Why do AI website builders fail Core Web Vitals?
AI builders optimize for speed-to-launch, not field data. Heavy scripts, unoptimized images, and one-size layouts often produce poor LCP and INP on mobile. Hand-coded or properly tuned WordPress/Shopify stacks pass CrUX at much higher rates — that is the gap this service closes.
What is a good Core Web Vitals score in 2026?
Google evaluates LCP (≤2.5s), INP (≤200ms), and CLS (≤0.1) at the 75th percentile of real users. Passing all three on mobile is the target — I benchmark against CrUX field data, not just Lighthouse lab scores.
Do you work with US businesses on US time?
Yes — most of my clients are US-based. I take calls in CST/EST hours, reply within hours on WhatsApp, and ship daily async updates so work continues overnight.
How much does Core Web Vitals optimization cost?
Core Web Vitals optimization audits start around USD $800–$1,500. Full performance rebuilds (theme cleanup, image pipeline, caching, CDN) typically USD $2.5k–$8k depending on stack and page count. Fixed quotes with before/after Lighthouse scores.
Can you fix WordPress without a full rebuild?
Often yes — plugin audits, image pipelines, caching, font loading, and theme cleanup can move scores significantly. When page builders or legacy themes are the bottleneck, I recommend a focused rebuild with a performance-first block theme or headless frontend.
Will faster pages improve SEO and conversions?
Core Web Vitals are a ranking signal, and speed directly affects bounce and conversion — especially on mobile. Faster LCP and stable CLS typically improve both search visibility and quote-form completion rates.
Ready to pass Core Web Vitals on mobile?
Tell me about your business, languages, and timeline. I’ll reply with a scoped quote, fixed price, and launch plan within 24 hours.
United States & US clients welcome · Fixed USD quotes · Same-day replies