💌 Your outsourced marketing department. Founded in 2015, In Social is a full-service, Shopify Plus digital marketing agency that acts as the outsourced marketing department for our clients. From services such as; organic and paid social media, Google & PPC advertising, website design, development and conversion rate optimization, influencer marketing, branding and design, content creation, Ecommerce and Amazon store management, customer service (with our college educated, native English speaking Canadian based team of agents), US-based fulfillment, and everything in between, we leverage data to embody our methodology of “The Full Circle Approach to Digital Marketing,” developing, deploying, and optimizing holistic and cohesive marketing efforts that creates seamless customer journeys that drive brand affinity and, ultimately, sales conversion.
Shopify Speed Optimization Services
Most slow Shopify stores weren't built slow. They got slow one app, one tracking tag and one autoplay video at a time, and nobody kept track of the total. Shopify speed optimization is the work of measuring what each of those costs and removing, deferring or rebuilding the expensive ones.
The work centres on Core Web Vitals, Google's three measures of loading speed, responsiveness and layout stability, plus the apps, images, fonts and theme code behind them. It isn't a redesign: if the theme itself needs replacing, that's custom theme development. And if pages load quickly but don't sell, you need conversion work, not speed work.
On shopexperts, 703 experts list speed optimization (September 2026). Compare them below, and ask each one how they'll measure the result before you ask what it costs.
Top-rated Shopify speed optimization experts and agencies
I build high-performing Shopify stores designed for speed, scalability, and long-term savings so your only monthly cost is your Shopify subscription. If your current theme is patched or bloated, a clean rebuild is the smarter move. All builds are theme-editable, free from third-party scripts, and made to be maintained forever. I work exclusively with the Horizon theme, the latest stack by Shopify, and also work with fresh paid themes without any dev history to create fast, SEO-ready, and easy-to-manage stores that convert. What I specialize in: - Shopify 2.0 and custom theme rebuilds - Web redesigns and new designs using Figma - Figma to Shopify development - Performance and SEO optimization - CRO-focused custom features/sections - Shopify API and app development (Shopify Plus) - Long-term store care and maintenance Most clients stay for years because I build clean, smart, and scalable stores that deliver real results. Let’s make your Shopify store work harder for you.
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Hey there, I’m Yoon, I have been in the Shopify ecosystem for 6 years – and I have worked with different industries, such as fashion, skincare, lifestyle brands, to build and optimize their Shopify stores. My focus is on creating fast, scalable Shopify stores that combine good performance and design.
Built by operators, backed by results. Enterprise-level Shopify solutions designed and optimized by eCommerce veterans who measure success in growth, conversions, and ROI - not just launches. We help fast-growing DTC brands squeeze more money out of their websites and future-proof their tech stacks through redesigns, ongoing conversion optimizations, and custom platform enhancements. https://sparky.us/ _____________________________________________________________________________________________ Recent Projects: - HeyDude: Grew checkouts reached by 51% with bespoke Shopify theme in three months ahead of Holiday. Implemented SEO best practices to boost discoverability and site health - ' 47: Increased site speed by 300% with custom theme build, including custom Algolia Integration, & favorite teams concept to personalize shopping experience. - GHOST: Increased conversion rate by 7% with custom designed & built Shopify theme. Built custom award-winning loyalty program, mobile app, and GWP feature. - Rockets of Awesome: Led a Shopify Plus migration and built editable subscription bundles, reworked curation and box logic to empower merchandising, and delivered a custom quiz and box curator integrating Shopify, Awtomic, and Pitney Bowes. - Legends B2B: designed & build custom B2B website to drive wholesale growth leading to $9M in YoY revenue & 7.8% conversion rate. Improved wholesale efficiency: Faster bulk ordering, clearer inventory visibility, reduced manual ops - VENUS Fashion: Full scale migration, migrating products, customer data, and content into a streamlined Shopify Plus storefront with clear product structures. Unified tools and integrations into one ecosystem, reducing complexity and maintenance. - York Athletics: Designed and built a bespoke Shopify theme driving a 40% YoY conversion lift post-launch, sustained despite fewer promotions, plus a front-end solution for gendered SKUs without back-end impact.
function(), MALVI's Shopify branch, crafts high-performance, scalable commerce projects with forensic engineering, brand-led strategy, and zero fluff. As a Shopify-exclusive agency, we carry forward MALVI's award-winning DNA in design, strategy, and storytelling—so every function() project benefits from over a fifteen years of big-picture thinking and pixel-perfect rigor. Working with Shopify exclusively for over 9 years, function() has helped brands grow and expand, reach their intended audience and goals, and enjoy life-changing support from a stellar team. From Shopify Plus official case studies to emerging boutique stores, function() partners with ambitious teams at every stage of growth. We specialize in complex builds, replatforming, and long-term evolution—turning Shopify into a durable growth engine rather than a short-term solution. Our work is opinionated, data-informed, and execution-obsessed, with a hands-on approach embedded from strategy through launch and beyond. The promise: commerce experiences that scale cleanly, convert intentionally, and stand up to real-world demand.
Most agencies consider the job done when the task is finished. We consider the job done when your business grows. Backed by experience in building globally recognized apps and running our own e-commerce ventures, we offer a true merchant’s perspective. From pixel-perfect UX to proactive conversion optimization, we treat your project as our personal business card. A Genuine Business Ally: We don't just tick boxes. We align our goals with yours, ensuring that our work contributes directly to your bottom line. Built by Merchants, for Merchants: With experience running our own e-commerce projects and building global apps, we bring a practical, owner-centric perspective to your project. Proactive Optimization: We don’t wait for you to spot the gaps. We actively look for ways to improve UX and conversion rates while we work. Uncompromising Quality: We treat every pixel and line of code as a representation of our reputation. If it’s not perfect, it doesn’t leave our studio.
I’m a Shopify Developer specialising in Shopify Plus builds, custom apps, and high-performance storefronts. I help growing brands turn complex requirements into fast, scalable, conversion-focused solutions. I work hands-on with Liquid, JavaScript, and Tailwind CSS to create custom themes, build private Shopify apps, and extend Shopify beyond its out-of-the-box limits. I also provide reliable integration and ongoing support, ensuring stores stay fast, stable, and ready to scale. I’m used to working with established teams, tight timelines, and high-traffic environments where quality and performance matter. If you need a Shopify partner who understands both the technical depth and commercial impact, let’s build something together.
Craftiville is a modern Shopify development agency built on expertise, creativity, and precision. •We specialize in crafting customized eCommerce solutions from store setups and migrations to app development and performance optimization all designed to help brands thrive in the digital marketplace. • Our identity reflects who we are: a team of experienced developers with a global mindset and a passion for elevating online experiences. • At Craftiville, every detail matters. We combine technical mastery with a deep understanding of our clientsʼ goals to deliver solutions that are efficient, scalable, and beautifully executed. • More than a service provider, weʼre your success partner turning your eCommerce vision into a crafted reality.
I’m a senior frontend developer specialising in Shopify, with over a decade of experience building, rebuilding, and optimising high-performing ecommerce stores. Most of my work sits at the intersection of UX, performance, and maintainable architecture - I like things to look good, load fast, and not become a nightmare six months later. My core stack is Shopify Liquid, modern JavaScript (ES6+), and React, with CSS-first approaches where possible. I’m a big advocate for using native Shopify features properly - metaobjects, metafields, theme architecture, and Shopify Functions - before reaching for apps. Fewer dependencies, fewer fires to put out later. Tools-wise, I live in Figma, GitHub, Shopify CLI, and VS Code. For more bespoke builds, I’ve worked with Astro, Supabase, Sanity, and headless setups where they actually make sense (not just for the buzzwords). Performance, accessibility, and CRO are always part of the conversation, not an afterthought. Projects I’m proud of include large-scale theme rebuilds for established DTC brands, complex product customisation flows (including dynamic pricing and inventory logic), and long-term optimisation work where conversion and maintainability genuinely improved over time. I’ve worked both agency-side and in-house, so I’m comfortable shipping fast and thinking long-term. I’m best suited to merchants who want thoughtful, well-structured solutions rather than quick hacks - but I can still move quickly when needed. I care about doing the job properly, even when that means pushing back a bit.
Front-end developer specialized in Shopify with a strong focus on e-commerce UX, performance, and custom features. I work mainly with fashion and jewelry brands, improving product presentation, cart experience, and conversion through thoughtful UI and well-structured Shopify development using Liquid and Hydrogen when needed. I usually collaborate with teams that already have a designer or clear requirements, and I’m most comfortable working on stores in production that need optimization, custom logic, or scalable improvements rather than generic setups. My approach combines technical precision with a clear understanding of how design and performance impact business results.
How to choose a Shopify speed specialist
Ask what they'll measure, and where. A good specialist starts from field data: Core Web Vitals from real visitors, as reported in Google Search Console or the real-user section of PageSpeed Insights. A proposal built around moving a lab score from 40 to 90 is a proposal to pass a test, not to speed up your store.
Expect a cost for every app and tag. The audit should list each app and third-party tag that loads on the storefront, how much script it adds, and whether anyone still uses it. It's common to find an app nobody on the team can explain, still loading on every page.
Check which templates they'll test. Paid and organic traffic usually lands on product and collection pages, and those are often heavier than the homepage. Ask for results per template, tested on a mid-range phone over mobile data, because that's the shopper who notices a slow page first.
Ask how they'll keep the apps working. Deferring a script is easy; deferring it without breaking reviews, subscriptions or tracking takes care. The specialist should work on a duplicate theme, say which changes need your sign-off, and hand over a list of every change made.
Red flags. Guaranteed scores. A "speed booster" app offered as the fix, because adding an app rarely solves an app problem. Lazy-loading everything, including the hero image, which makes the main loading metric worse. An audit that still reports First Input Delay, which INP replaced in 2024. And a recommendation to change themes before anyone has measured the current one.
Agree the handover. Speed decays as apps and campaigns get added. Ask for the baseline numbers, the templates tested and a short list of what to check after each new install, so your team can spot a regression without paying for another audit.
What actually slows a Shopify store down
Shopify page speed optimization rarely starts with the theme. The weight usually comes from what's been added on top of it.
Apps that inject scripts. Reviews, upsells, popups, chat and loyalty apps each load their own JavaScript, often on every page, even where they show nothing. A handful of them can outweigh the theme's own code.
Oversized hero images and video. A 4MB banner or an autoplay background video is often the largest thing on the page, and usually the element that Largest Contentful Paint (LCP, how long the main content takes to appear) is timing. Shopify's CDN serves modern formats such as WebP automatically, but only resizes images when the theme requests sensible widths.
Fonts, sliders and forgotten tags. Three font families in four weights, loaded before any text can render. A carousel library loaded site-wide for one homepage slider. Ad pixels, heatmaps and test tools added for a campaign and never removed, all competing for the browser's main thread, which slows Interaction to Next Paint (INP, how quickly the page responds to a tap).
Judge results on field data. PageSpeed Insights shows two sets of numbers. The lab score is one simulated load on a throttled phone; it moves between runs and says nothing about your actual shoppers. Field data covers real Chrome visitors over the previous 28 days, and it's what Google's ranking systems use.
The targets are LCP of 2.5 seconds or less, INP of 200 milliseconds or less and Cumulative Layout Shift (CLS, how much the layout jumps) of 0.1 or less, at the 75th percentile of visits. A store can score 45 in the lab and still pass all three in the field. Judge the project on field data a month after the changes ship, not on the score the day they go live.
What do Shopify speed specialists charge?
Speed work splits into three kinds of engagement. Typical ranges:
Speed audit
$300 – $900
Diagnosis and a prioritised fix list
Optimisation project
$1,000 – $6,000
Fixes to theme, apps, media
Monitoring retainer
$300 – $1,500
Per month, regression checks
The biggest win is often free. Removing apps you no longer use costs nothing, trims the monthly app bill, and often does more for real-user numbers than days of code work. A good audit names those apps before anyone bills for development.
Project prices rise with the number of templates in scope, how heavily the theme has been customised, and how many apps have to stay but load less. Among claimed profiles in the first 100 listings on shopexperts, the median published starting price is $175 (September 2026), a starting point rather than a project price. Send your three busiest landing pages to get a quote.
What does Shopify performance optimization cover?
Most engagements start with the audit and pick from the rest based on what it finds:
Speed audit and baseline
Field and lab measurement per template, with a ranked fix list
App and script clean-up
Removing unused apps and leftover code, deferring what stays
Image, video and font optimisation
Correct image sizes, lighter video and fewer font files
Theme code optimisation
Trimming CSS, JavaScript and Liquid that loads without being used
Core Web Vitals fixes
Targeted work on LCP, INP and CLS failures on key templates
Performance monitoring
Monthly checks that catch regressions after new apps or campaigns
Frequently asked questions about Shopify store speed optimization
An audit usually takes a few days. How long the fixes take depends on how many templates are in scope and how quickly you decide which apps to cut, which is often the slowest step. Then allow about a month before judging the result, because the field data in Search Console and PageSpeed Insights covers the previous 28 days and needs time to catch up.
Not usually. Many apps can be limited to the templates where they actually appear, or loaded after the page becomes usable, without changing what shoppers see. Some can be replaced by Shopify's own free apps, such as Shopify Forms or Shopify Bundles. The apps that get removed are the ones nobody uses, and the audit should show you what each one costs in speed before you decide.
Speed is one of many signals Google uses, and passing Core Web Vitals won't lift a page that doesn't match what people are searching for. Treat rankings as a side benefit. The more reliable reason to do the work is the shopper on a mid-range phone who gives up before your product page finishes loading, and who never shows up in a lab test.
Among the first 100 speed optimization listings on shopexperts, 74 are agencies and 26 are freelancers (September 2026), so expect to see more agencies. A freelancer fits an audit and a defined fix list. An agency fits when the speed problem is tangled up with a heavily customised theme, a large app stack or a monthly monitoring retainer, because that work needs more than one pair of hands.
Sometimes, but less often than merchants hope. A current Online Store 2.0 theme usually starts lighter than an older theme with years of edits. Move the same apps, tags and 4MB images across, though, and you rebuild the same problem on a new base. Measure first; if the audit shows the theme code itself is the bottleneck, a rebuild becomes the better spend.
A list of every installed app, with what it's for and who uses it. Access to Google Search Console and your analytics, so the specialist can see real-user data and your top landing pages. Collaborator access to the store rather than your own login. And a note of anything that must not change, such as a tracking setup your ad agency relies on.