Speed Up Your BigCommerce Website in Minutes &
Improve SEO Performance.

Improve your BigCommerce website performance, reduce page load time, and deliver a faster shopping experience that increases SEO rankings and conversions.

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No credit card required Improve Core Web Vitals Boost PageSpeed Score
SiteSpiker Store Performance — After Install
Load Time (mobile)
5.1s before
1.6s
PageSpeed Score
31 before
91
Conversion Rate
1.1% before
2.9%
Bounce Rate
71% before
33%
Avg. across BigCommerce stores +163% CONV. LIFT

Why Website Speed Matters for Your BigCommerce Store

Website speed refers to how quickly your store pages load and become usable for shoppers. A faster BigCommerce store creates a smoother shopping experience, keeps visitors engaged, and helps improve both search visibility and sales performance.

Better Shopping Experience

Better Shopping Experience

When your BigCommerce store loads quickly, shoppers can browse products, view categories, and complete purchases without delays. Fast-loading pages make the shopping journey smoother and encourage visitors to stay longer and explore more products.

Improved SEO Visibility

Improved SEO Visibility

Search engines consider page speed as an important ranking factor. A faster BigCommerce store can improve your chances of appearing higher in search results, helping more potential customers discover your products online.

Higher Conversion Potential

Higher Conversion Potential

Slow-loading pages can frustrate shoppers and cause them to leave before completing a purchase. By improving your store speed, you create a faster checkout and browsing experience that can help increase customer trust and conversions.

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Setup in 3 steps

How Does Our BigCommerce Speed Optimization Tool Work?

No developer, no complex configuration, no theme edits. SiteSpiker connects to your BigCommerce store and starts working immediately.

1

Install the App from the BigCommerce App Marketplace

Get started quickly by installing the speed optimization tool directly from the BigCommerce App Marketplace. Once installed, you’ll unlock powerful performance features designed to improve your store’s loading speed and overall shopping experience.

2

Quick Setup with Easy Configuration

Follow the simple setup instructions to enable the optimization features. The process is straightforward and does not require any technical skills, allowing you to configure the tool in just a few minutes and start improving your store’s performance.

3

Faster Store Performance & Better Shopping Experience

After setup, your BigCommerce store begins benefiting from speed improvements that help pages load faster, enhance user experience, and create a smoother shopping journey that can lead to higher engagement and better conversions.

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Core Web Vitals

Pass Every Google Performance Test

92% of SiteSpiker Wix users consistently pass Core Web Vitals — the metrics that directly impact your search rankings and user experience.

LCP — Largest Contentful Paint
avg before: 6.8s
1.9s
avg after SiteSpiker
CLS — Cumulative Layout Shift
avg before: 0.31
0.03
avg after SiteSpiker
INP — Interaction to Next Paint
avg before: 480ms
110ms
avg after SiteSpiker
FCP — First Contentful Paint
avg before: 4.2s
1.1s
avg after SiteSpiker
Real store results

Before & After — What the Numbers Look Like

Average results from BigCommerce stores using SiteSpiker. The conversion lift is consistent — and it compounds over time.

Metric Before SiteSpiker After SiteSpiker
Load Time (mobile) 5.1s 1.6s
PageSpeed Score 31 / 100 91 / 100
Largest Contentful Paint (LCP) 6.9s 1.8s
Bounce Rate 71% 33%
Conversion Rate 1.1% 2.9%
Page Weight 6.4 MB 1.1 MB

The Performance Difference Before and After Optimization

Compare how BigCommerce websites perform before and after speed optimization with measurable improvements in speed and performance.
Slow Store
✗5+ second load times drive 53% of mobile shoppers away before they see your products
✗Checkout page lag increasing cart abandonment and costing you completed orders
✗No caching — every catalog visit hammers the server and slows responses
✗Poor Core Web Vitals scores reducing visibility in Google Shopping results
✗Paying for separate CDN, image tools, and analytics you still can't act on
SiteSpiker Store
✓Product pages load in under 2s — visitors stay, browse, and buy
✓Priority-loaded checkout flow — fastest page on your site, by design
✓Smart catalog caching with auto-invalidation when inventory or pricing updates
✓Green Core Web Vitals — improved Google Shopping rankings at no extra effort
✓CDN, optimisation, and revenue impact dashboard — all in one subscription
What store owners say

Real Stores. Real Results.

★★★★★

Our checkout was genuinely painful. SiteSpiker cut checkout load time from 4.8 seconds to 1.2. That single change added measurable revenue in the first week. I can see it directly in our analytics.

MT
Marco T.
DTC Brand Founder, Milan
★★★★★

BigCommerce does a lot for us already. SiteSpiker fills the gap BC can't — it handles edge delivery and the image pipeline that takes our scores from the 40s into the 90s. It's not optional for us anymore.

SL
Sarah L.
E-commerce Manager, Toronto
★★★★★

The revenue impact dashboard is underrated. Seeing a 1-second improvement directly correlate with a lift in conversion rate made the ROI undeniable. We upgraded to the Business plan the same day.

BK
Ben K.
Head of Growth, Sydney
FAQ

Questions We Hear Most

The setup process only takes a few minutes. Once the optimization is activated, your website can begin benefiting from performance improvements shortly after installation.
If your pages take several seconds to load, visitors leave quickly, or your website feels slow on mobile devices, it may be a sign that your site needs speed optimization.
No. The optimization process focuses on improving how your website loads and performs without changing the visual design or layout of your website.
Yes. Mobile performance is an important part of website experience. The optimization helps improve loading behavior for visitors using smartphones and tablets.
No. The installation process is simple and designed for website owners without technical knowledge. Just follow the setup instructions and activate the optimization features.
No. The optimization runs in the background and does not interrupt your website's availability for visitors.
Yes. Faster websites usually provide better user experiences, which can contribute to improved search visibility and better engagement from visitors.
Once the tool is installed and configured, the optimization can help improve the loading performance across multiple pages of your website.
Yes. The tool focuses only on improving performance and does not access or modify your website's private or sensitive data.
Results vary depending on the website, but many website owners experience faster loading pages, improved performance scores, and better visitor engagement.