+94 SATISFIED CLIENTS
We optimize your Shopify store for speed and performance, backed by a 2-month warranty covering bug fixes and comprehensive post-launch support.
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120+
successfully completed projects
95%
satisfied clients
3+
Years average collaboration duration
20+
countries served
Our Shopify solutions are made to satisfy the unique requirements and business challenges of every sector, allowing companies to function more effectively and retain their competitiveness.
Our tailored approach ensures a fast, secure Shopify store and a seamless, efficient migration that supports optimal performance.
Under-two-second load times reduce drop-offs and can increase conversions by up to 15%.
Google confirms load speed affects desktop and mobile rankings, while slow sites may rank lower.
Fast eCommerce sites retain customers; slow performance drives shoppers to competitors.
Mobile shoppers expect pages within 3 seconds; faster stores reduce bounces and support on-the-go purchases.
Fast-loading stores reduce early exits, keeping visitors engaged instead of leaving within seconds.
We build custom eCommerce applications that remove operational bottlenecks, connect fragmented systems, and support complex business processes at scale.
Challenge
Risk
Solution
Standard eCommerce platforms can’t support complex business logic
Teams rely on workarounds, manual operations, or restrictive platform limitations.
We build custom eCommerce apps around your actual workflows, rules, and growth requirements.
Critical processes are still handled manually
Higher operational costs, slower execution, and increased risk of human error.
We automate repetitive workflows, data processing, order handling, and other high-impact operations.
Business systems operate in isolation
Inconsistent inventory, customer, order, and product data across platforms.
We connect eCommerce platforms with ERP, CRM, PIM, WMS, 3PL, payment, and other systems through reliable integrations.
Existing apps struggle as traffic and operations grow
Performance issues, downtime, and technical limitations begin to affect revenue.
We optimize architecture, backend services, APIs, and infrastructure to keep applications fast and stable under growing load.
From eCommerce to fintech, our clients span 20 countries and every project is different.
How Stellar cut Shopify load time to under 2 seconds, increased conversions by 25%, reduced manual work by 40%, and helped drive 20% sales growth.
AfterCart migration to Shopify 2.0: removed delays caused by on-the-fly protection product creation and reduced the risk of transaction fee losses.
Peak season was 2–3 months away and the subscription store wasn't live yet. See how Stellar built it on Magento with Chargebee billing.
How we helped Côte&Ciel improve performance across three Shopify storefronts, while the EU store recorded a 7% YoY increase in conversion.
Custom quiz, calorie calculator, and multi-discount cart for a mobile-first Shopify store – built with Web Components + Alpine.js.
How we optimized a London antique retailer's Magento 2 store - custom analytics, faster search, −22% order processing time and +18% ROAS. 8-year partnership.
How Stellar migrated Baketivity from WooCommerce to Shopify Plus, rebuilt subscription logic, preserved data, and added ClassWallet features.
How we migrated King of Christmas from a hardcoded Dawn theme to Horizon, avoided an estimated 1,000+ development hours, and unlocked marketing autonomy.
See how Stellar moved a UK online pharmacy to Hyvä Themes, upgraded Magento to 2.4.7-p1, and hit Google's green Core Web Vitals - with zero downtime.
Stellar delivers reliable, high-quality, goal-driven Shopify speed optimization focused on real business needs. Here’s why customers choose us:
Stellar delivers reliable, high-quality, goal-driven Shopify speed optimization focused on real business needs. Here’s why customers choose us:
Tailored Solutions
We tailor strategies to your store’s structure, audience, and growth goals, boosting user engagement by 30%.
Faster Load Times
Leaner code and optimized assets reduce load times, averaging 25% more conversions and smoother shopping.
Mobile Optimization
We optimize your store for fast, intuitive mobile performance, increasing mobile conversions by 15%.
Comprehensive Approach
We optimize images, scripts, server speed, and app usage, achieving up to 60% faster sites.
Our structured process ensures a smooth Shopify speed optimization experience from start to finish. Here’s how we move your store without disruption and set you up for growth:
We assess page speed, load times, and user interactions to identify bottlenecks and prioritize improvements - 53% of mobile users leave sites that load in over 3 seconds.
We review your backend, images, apps, code, and server performance to uncover bottlenecks, unused resources, and optimization opportunities that can improve speed by 35–50%.
We create a tailored optimization roadmap with clear priorities, timelines, and expected outcomes, helping businesses achieve sustainable growth 2.5× more often.
We compress images, clean code, remove unnecessary apps, and fine-tune settings to improve speed and UX, cutting bounce rates by up to 40% while preserving functionality and SEO.
We optimize images, code, apps, and store settings to improve speed and user experience, reducing bounce rates by up to 40% without affecting SEO or functionality.
We test performance across devices and monitor speed, engagement, and bounce rates to prevent issues and achieve up to 50% more consistent conversion rates.
We use modern technologies and tools to develop, optimize, and maintain high-performance and stable platforms.
ShopifyShopify Plus
HydrogenMarkets
Liquid
JavaScript
TypeScript
React
Next.js
AWS
Google Cloud
Azure
Cloudflare
GitHubWe build custom eCommerce applications for online stores, digital brands, and SaaS platforms — helping automate operations, connect business systems, and support scalable growth.
netparcel
sigma
a&g
pineapple
bering
cultnaked
lock
nila
heyholy
webloft
lgfgDiscover how our solutions help overcome technical barriers, maintain system reliability, and implement innovations that drive sales growth.
4.9
Overall Review Rating
Co-Founder at HEY HOLY, an eCommerce pet brand
Three Years of Reliable Delivery
Stellar has supported our Shopify store for two years, building backend functionality and custom tools. They’re fast, responsive, and reliable.
Creative Director at Long Story Short
Built on Clarity and Speed
Stellar impressed us with clear, fast communication and a well-structured process, especially when deadlines were tight and quick decisions were critical.
CEO, LGFG Fashion House
Stellar transformed our sales processes, streamlining operations and automating manual work to save significant time and improve the overall customer experience.
Owner at NILG.AI
Stellar stood out among five shortlisted companies with a detailed, transparent plan and pricing strategy. Jack also provided clear guidance and valuable insights.
Shopify & eCommerce Expert, Owner at Digitalebox.de
Stellar’s Shopify expertise and ability to deliver advanced custom solutions reflect strong technical skills and a focus on scalable, high-quality eCommerce.
Director of Marketing at Cooper Mountain Technologies
They bring a positive attitude and use their expertise to improve projects beyond the brief, considering key factors like SEO, responsiveness, and overall quality.
Co-owner, Marketing Nice Guys
They consistently deliver on time and within budget, follow through on commitments, and stay proactive with communication - even when clients are slow to respond.
What`s next?
Get a free tailored Estimate and Growth Plan - contact us today and receive a customized plan for your business, with a demo available to preview.
Jack Ananchenko
CEO and Co-founder
Vladimir Gubarev
COO and Co-founder
From eCommerce to fintech, our clients span 20 countries and every project is different.
How Stellar cut Shopify load time to under 2 seconds, increased conversions by 25%, reduced manual work by 40%, and helped drive 20% sales growth.
AfterCart migration to Shopify 2.0: removed delays caused by on-the-fly protection product creation and reduced the risk of transaction fee losses.
Peak season was 2–3 months away and the subscription store wasn't live yet. See how Stellar built it on Magento with Chargebee billing.
How we helped Côte&Ciel improve performance across three Shopify storefronts, while the EU store recorded a 7% YoY increase in conversion.
Custom quiz, calorie calculator, and multi-discount cart for a mobile-first Shopify store – built with Web Components + Alpine.js.
How we optimized a London antique retailer's Magento 2 store - custom analytics, faster search, −22% order processing time and +18% ROAS. 8-year partnership.
How Stellar migrated Baketivity from WooCommerce to Shopify Plus, rebuilt subscription logic, preserved data, and added ClassWallet features.
How we migrated King of Christmas from a hardcoded Dawn theme to Horizon, avoided an estimated 1,000+ development hours, and unlocked marketing autonomy.
See how Stellar moved a UK online pharmacy to Hyvä Themes, upgraded Magento to 2.4.7-p1, and hit Google's green Core Web Vitals - with zero downtime.
