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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

Matias Lopez
ML
Front-End DeveloperBuenos Aires, ArgentinaFrom $70
4.97(161 reviews)
shopexpertsscore
85

I have over five years of experience in web development using technologies such as Shopify, Angular, Node.js, JavaScript, React, Vue, MongoDB, MySQL, and PHP. My journey with Shopify started when I joined Hey Carson, now known as 'Shop Experts', successfully completing their trial period. I have gained significant experience in Shopify development. I've worked in complex tasks such as integrating Shopify apps, Shopify Admin API, custom design development, apps extensions development, theme development and much more. Over the past few years, I've acquired what I believe is a solid understanding of Shopify development, which helps me deliver high-quality solutions to the clients I've worked with.

Offered services
Shopify Development
Technical Support & Maintenance
Store Setup & Management
Erick Kagai
EK
Shopify ConsultantNairobi, KenyaFrom $285
4.93(72 reviews)
shopexpertsscore
85

Shopify speed and ad tracking fixes: for stores where the ads bring visitors but not sales I help Shopify stores sell more to the visitors you already pay to bring in. I find the spots where shoppers give up, and then I fix them. One example. A clothing brand's product pages took 15.4 seconds to load. Five weeks before Black Friday, I got them to 7.4 seconds. That is the job: I find what slows your store down, and I fix it. The same work keeps finding a second problem: numbers you cannot trust. The code that tells Meta or Google about a sale fires twice, so sales count double. Ads run across every product, with no check on which ones earn. Apps bill every month for work nobody has measured. So I also check what your money is really doing, instead of trusting what Google, Meta and the apps say. Then I fix what I find. I work with established stores run by their founders. To me, speed and ad spend are sales problems, not technical boxes to tick. What I work on, eight ways in: Speed check. I measure how fast your pages load for real shoppers on a phone. I find what makes them wait, and I fix it. Accessibility check. I test your store the way a keyboard user or a screen reader meets it. I check whether a widget sits on top of problems it does not fix. You get the findings in the order a complaint would reach them. Shopify deadline check. Shopify changes its rules on set dates. Scripts ended on 30 June. Order status script tags ended on 26 August. I find what has already stopped working on your store and what is dated ahead, and I make the repairs. Tracking and attribution fix. Meta Pixel, GA4 (Google Analytics) and server-side tracking. I remove the double counting and prove it in your own dashboards. Ad spend by product and the app bill get read in the same pass. Google and Meta recovery. Your products stopped showing on Google or Meta. I find where the connection broke and get them showing again. Sale price check. AI shopping tools, like ChatGPT, now get your "was" prices from Shopify. I check that yours reach them right. Builds and theme upgrades. New sections and modern themes, with your custom work and your tracking still running. Every change to the live site has a way back. Partner Seat. 25 hours a month. I watch speed, the pages customers see, broken links, tracking and app bills. Your work goes first in the queue. Each check is $285. If you go ahead, I take the fee off the fix price. Key results: Product page load time cut from 15.4 seconds to 7.4 seconds, 52% faster. Mobile PageSpeed on product pages from 18 to 28. The apps the client chose stayed in place, at their call. Two apps were billing to track what the store's own Google channel already did. I removed them, checked the tracking was clean, and took $199 a year off the app bill. Repeat clients going back to 2018. One store has come back for 14 projects over four years. How I work: A paid check first. It measures the real problem, no guessing. If you go ahead, I take the fee off the fix price. Work in stages. You approve each one. Every delivery ends with before and after numbers, and a short list of the next things I found. 80+ projects done. Clients in the US, Canada, UK, Australia and Denmark. Send me your store address. I will tell you what slows it down, whether your numbers add up, and what a complaint would find first. No commitment.

Offered services
Shopify Development
Marketing & Growth
Store Setup & Management
Technical Support & Maintenance

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Rabia Tariq
RT
Shopify Plus EngineerIslamabad, PakistanFrom $100
4.99(19 reviews)
shopexpertsscore
100

I’m a Shopify & Shopify Plus Engineer with 9+ years of hands-on experience, specializing in building, optimizing, and scaling high-performing eCommerce stores. At ShopExperts, I work with growth-focused brands to deliver clean, conversion-driven Shopify solutions, from custom theme development and advanced Liquid/JavaScript customization to store migrations, speed optimization, and complex third-party integrations. My core strengths include: Shopify & Shopify Plus development Custom theme development and heavy theme refactors Site speed optimization & Core Web Vitals Wix / Magento / Squarespace / Square Up / Kajabi / WordPress → Shopify migrations with SEO preservation Custom apps, APIs, and system integrations CRO-focused UX improvements for higher conversions I’m known for my structured approach, clean code, and transparent communication. I don’t just “implement features”, I focus on long-term store health, scalability, and performance, ensuring merchants are set up for sustainable growth. If you’re looking for a reliable senior Shopify engineer who understands both the technical and business side of eCommerce, I’d be happy to help. Big ideas, small questions, or “help, my store is broken” moments — let’s talk on a free discovery call 💬 https://calendly.com/rabia234t/call

Offered services
Shopify Development
AI & Emerging Tech
Store Setup & Management
Marketing & Growth
Technical Support & Maintenance
Consulting & Strategy
Muhammad Asad ullah baig
MA
Shopify Plus EngineerIslamabad, PakistanFrom $100
5.00(15 reviews)
shopexpertsscore
100

Turn Your Shopify Store Into a Reliable Sales Engine If you're looking for a Shopify developer who understands both the technical side and the business outcomes behind it, you're in the right place. As a Shopify Certified Developer with 10+ years of hands-on experience, I've worked with 100+ brands across fashion, apparel, beauty, food, fitness, and electronics to build stores that are fast, scalable, and built to convert. Whether you're a founder launching your first store or an established brand ready to level up, I bring the expertise to get you there. What Gets Delivered: Every project is approached with one goal, growth. Here's what that looks like in practice: Custom Shopify Theme Development — Figma and Adobe XD designs transformed into clean, maintainable Liquid-based themes optimized for performance and long-term scalability Store Redesigns & UX Improvements — Navigation restructured, friction points removed, and user journeys refined to drive more conversions without disrupting live traffic Speed & Performance Optimization — Core Web Vitals improvements, faster page load times, and technical SEO fixes that directly impact search rankings and reduce bounce rate Custom Feature Development — Bundles, upsells, subscriptions, loyalty programs, and third-party API integrations tailored to specific business models Store Migrations & Ongoing Support — Smooth, low-risk platform migrations and dependable technical maintenance that keep operations running without interruption Why Brands Keep Coming Back: Every architecture decision, layout choice, and integration is guided by one question: Does this help the business grow? Clean code and structured development aren't just standards — they're what make a store reliable at scale. Founders launching from scratch, in-house teams needing a trusted technical collaborator, and agencies looking for a dependable Shopify specialist, all have found long-term value in this kind of partnership. Ready to Grow Your Shopify Store? Whether it's a full custom build, a performance overhaul, or targeted improvements to boost conversions, let's map out a clear path forward. Reach out to discuss your goals and what's possible.

Offered services
Shopify Development
Store Setup & Management
Technical Support & Maintenance
Design, UX & Branding
Emil Gjorgjijev
EG
Ecommerce Operations ManagerSkopje, North MacedoniaFrom $65
5.00(14 reviews)
shopexpertsscore
100

A seasoned E-Commerce Specialist with a strong focus on Shopify and Klaviyo with over 6 years of experience.

Offered services
Shopify Development
Technical Support & Maintenance
Store Setup & Management
Operations, Logistics & Fulfillment
Awais Javed
AJ
Front-End DeveloperOttawa, CanadaFrom $295
5.00(19 reviews)
shopexpertsscore
100

I'm a Shopify developer with years of hands-on experience building and scaling e-commerce stores — from custom theme development to conversion rate optimization and third-party integrations. I've worked with brands like Après Nail and through platforms like Storetasker, delivering solutions that look great and perform even better. I specialize in Liquid programming, frontend development, and UI/UX enhancement. Whether you need a full theme build, a tricky app integration, or a speed and SEO overhaul, I bring a detail-oriented approach that gets results — not just code. I leverage AI tools like ChatGPT and GitHub Copilot throughout my workflow — drafting Liquid logic faster, QA-testing edge cases, and generating content-ready section structures. This means faster turnaround, fewer revisions, and more value for your budget. My background spans custom store builds, GA4 + GTM tracking setups, Klaviyo integrations, loyalty app configurations, A/B testing, and cross-functional collaboration with design and marketing teams. I treat every project like it's my own store on the line. I'm a Computer Software Engineering graduate and Growth Collective certified in Creative Website Design (Shopify). Let's build something that converts.

Offered services
Shopify Development
Store Setup & Management
Technical Support & Maintenance
AI & Emerging Tech
Marketing & Growth
Design, UX & Branding
Slash Themes
ST
AgencyNew Delhi, IndiaFrom $500
5.00(16 reviews)
shopexpertsscore
85

At Slash Themes, we are a Shopify-focused commerce studio built to help ambitious brands launch, scale, and optimize high-performing storefronts with speed and precision. For over 7+ years, we’ve partnered with growing and enterprise merchants to architect Shopify and Shopify Plus experiences that are not only visually compelling but structurally built for scale. From complex replatforming projects to custom feature development, we create solutions that simplify operations, enhance customer journeys, and unlock new revenue opportunities. Our approach blends strategy, design, and deep technical expertise—covering custom theme development, custom app development, performance optimization, CRO, and data-driven enhancements. Every build is crafted with flexibility, speed, and long-term growth in mind, ensuring brands can evolve without limitations. More than a development team, we act as a dedicated Shopify partner—continuously refining, optimizing, and supporting the stores we build so our clients can focus on what matters most: growing their business. Core Shopify Services Shopify Store Setup & Configuration Shopify Theme Customization & Development Store Migration to Shopify (WooCommerce, Magento, etc.) Speed & Performance Optimization App Integration & Custom Functionality Bug Fixing & Troubleshooting Custom Design Implementation (Figma/PSD to Shopify) Ongoing Store Maintenance & Support ✦ With teams based in Germany and India, we support Shopify brands globally.

Offered services
Shopify Development
Store Setup & Management
Design, UX & Branding
Consulting & Strategy
InsCoder Limited
IL
AgencyHong Kong, Hong Kong SAR ChinaFrom $150
4.79(7 reviews)
shopexpertsscore
80

InsCoder is Hong Kong’s Shopify Platinum Partner, specializing in secure, scalable AI-powered e-commerce for leading brands.

Offered services
Shopify Development
Store Setup & Management
Marketing & Growth
Consulting & Strategy
Technical Support & Maintenance
Nine Commerce
NC
AgencyOttawa, CanadaFrom $199
5.00(2 reviews)
shopexpertsscore
75

Nine Commerce is a boutique Shopify development agency specializing in high-performance, conversion-focused ecommerce stores. We help DTC brands and marketing teams build fast, scalable Shopify experiences through expert theme development, UX optimization, custom integrations, and performance tuning. Clean builds. No fluff. Results-driven execution.

Offered services
Shopify Development
Store Setup & Management
Marketing & Growth
Richard Forbes-Simpson
RF
Shopify Plus EngineerNewcastle upon Tyne, United KingdomFrom $100
5.00(8 reviews)
shopexpertsscore
85

Shopify stores that earn their keep. I run Graftstudio, the technical and commercial lead for mid-market DTC brands on Shopify Plus. Brands bring me in when the store has outgrown the people who set it up. I find what it's costing, fix what the numbers say pays, and measure every change. In 15+ years I have partnered with over 160 brands that generate £80m in sales across their stores. Cult Gaia, Victoria Beckham, Gymshark, Seafolly and Ireland's largest salon group among them. I'm a Shopify Plus Partner, and three in four brands come back. I take on a small number of brands at a time, offering audits, fix sprints and fractional store ownership.

Offered services
Shopify Development
Consulting & Strategy
Marketing & Growth

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

How long does Shopify site speed optimization take?

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.

Will I have to remove apps I rely on?

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.

Will a faster store rank higher?

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.

Should I hire an agency or a freelancer for speed work?

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.

Is a new theme faster than fixing the one I have?

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.

What should I prepare before a speed audit?

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.