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BigCommerce Core Web Vitals Optimization

Fix failing LCP, INP and CLS scores on your BigCommerce store, from Stencil themes to apps and scripts. Fixed pricing, no hidden fees.

Let's get your BigCommerce Store passing Core Web Vitals

Select Your BigCommerce Core Web Vitals Plan

Fixed-price Core Web Vitals optimization for BigCommerce stores of every size.

One Page Website

Pass Core Web Vitals on one important BigCommerce page.

$49 Price is fixed + No hidden fee

  • 1 Landing Page
  • Full Core Web Vital Audit
  • LCP & CLS Quick Fixes
  • Single domain only
  • Guaranteed 90+ Score or 100% Refund
Select Tier

Portfolio / Small Website

Core Web Vitals fixes across the key pages of a new or small BigCommerce store.

$99 Price is fixed + No hidden fee

  • Up to 10 Pages or Posts
  • Full Core Web Vital Audit
  • LCP & CLS Optimization
  • Ideal for personal sites
  • Guaranteed 90+ Score or 100% Refund
Select Tier
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Ecommerce / Blog

Site-wide Core Web Vitals optimization for large BigCommerce catalogs and content-heavy stores.

$149 Price is fixed + No hidden fee

  • 100+ Posts, Pages or Products
  • Comprehensive Performance Strategy
  • Dynamic Content Caching
  • Database & Script Optimization
  • Guaranteed 90+ Score or 100% Refund
Select Tier

Custom Request

Bespoke BigCommerce engineering for enterprise-grade builds and unique architectures.

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  • Tailored Engineering Solutions
  • Architecture Consultation
  • Third-party Script Cleanup
  • Ongoing Performance Monitoring
  • Guaranteed 90+ Score or 100% Refund
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How It Works

A simple, four-step approach to passing Core Web Vitals on BigCommerce.

  1. Performance Audit

    Detailed analysis of your BigCommerce store's LCP, INP and CLS scores and what is causing them.

  2. Strategic Planning

    We exchange login details and review your server, CDN, and caching setup.

  3. Implementation

    Our experts fix the causes in your theme, apps, and store configuration.

  4. Launch & Monitor

    Verify results with post-optimization audits and ongoing monitoring.

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Frequently Asked Questions

How do you optimize Core Web Vitals on BigCommerces platform?

We optimize Stencil theme Liquid code clean up scripts in Script Manager, preload primary LCP banners, reserve DOM layout space for third-party widgets and defer non-essential tracking pixels.

Why are BigCommerce cart and checkout pages excluded?

BigCommerce checkout operates on a PCI-compliant native route. Excluding it ensures 100% checkout uptime and zero disruption to order processing.

How do you improve LCP on BigCommerce hero banners and product sliders?

We remove loading from above-the-fold hero banners apply priority preloading and serve properly scaled responsive images (srcset).

How do you stop layout jumping (CLS) on BigCommerce category grids?

We apply width/height ratios to product cards, custom web fonts and dynamic promotion bars so the page doesn’t shift during render.

How long does BigCommerce Core Web Vitals optimization take?

Turnaround is 24 to 48 hours.

Does this optimization cover my BigCommerce store?

Yes. The Core Web Vitals fixes run site-wide across all home, category, product and brand templates.

What is your performance guarantee for BigCommerce?

We guarantee a 90+ score on PageSpeed Insights across mobile and desktop. If we cannot reach this threshold you receive a refund.

How do you fix INP on BigCommerce stores burdened by app scripts?

We delay third-party tracking apps, review widgets and live chats until after the main thread is idle or until the user initiates interaction.

Do you test BigCommerce optimizations on my store?

No. We. Test everything on an unpublished draft copy of your Stencil theme publishing live only after verification.

What access do you need to begin?

We need staff account access with store design and Script Manager privileges.