Transform your sluggish Shopify store into a lightning-fast shopping experience — targeting 65+ Mobile and 80+ Desktop on Google PageSpeed Insights, with improved GTmetrix grades and sub-2-second load times.
I Will Optimise Your Shopify Store Speed for Higher Scores
Core speed optimisation targeting solid PageSpeed and GTmetrix scores for your Shopify store.
- 65+ Mobile & 80+ Desktop on Google PageSpeed Insights
- B Grade GTmetrix performance result
- Image compression, sizing & lazy loading
- JS & CSS minification and HTTP request reduction
- Backup theme created for security
- Work done on duplicate theme — live store unaffected
Enhanced optimisation scope with higher score targets and more revision rounds.
- 75+ Mobile & 88+ Desktop on Google PageSpeed Insights
- A Grade GTmetrix performance result
- Full image optimisation, lazy loading & font streamlining
- App code audit & redundant code removal
- JS & CSS minification and HTTP request reduction
- Backup theme created — live store fully protected throughout
Maximum performance optimisation with unlimited revisions and the highest score targets.
- 85+ Mobile & 92+ Desktop on Google PageSpeed Insights
- A/A+ Grade GTmetrix performance result
- Comprehensive image, font, lazy loading & rendering optimisation
- Deep app analysis & full redundant code removal
- Advanced JS & CSS minification, combining & HTTP reduction
- Backup theme created — live store unaffected throughout
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Full Description
Every second your Shopify store takes to load costs you customers. Studies consistently show that slower pages lead directly to higher bounce rates, lower search rankings, and fewer completed purchases. If your store is slow, it is quietly working against you every single day — and that is exactly what this service is designed to fix.
Zinn Digital® is a London-based Shopify development and CRO specialist team with dedicated expertise in store performance optimisation. We take underperforming Shopify stores and systematically transform them into fast, smooth, conversion-ready experiences — without touching your design, products, or store content.
**What the optimisation covers:**
Our process is methodical and thorough. We begin by benchmarking your current scores across Google PageSpeed Insights and GTmetrix before any work begins, so you have a clear before-and-after picture. We then work through a comprehensive set of performance improvements including reducing HTTP requests, compressing and properly sizing images, implementing intelligent lazy loading, streamlining font loading, auditing and removing redundant app code, and minifying and combining JavaScript and CSS files.
Every change is made on a duplicate copy of your live theme — meaning your live store remains fully operational and visible to your customers and any running advertisements throughout the entire process. Once optimisation is complete and verified, we hand the improved theme back to you. A backup theme is also created for additional peace of mind.
**What you can expect:**
The entry package targets 65+ Mobile and 80+ Desktop on Google PageSpeed Insights, alongside a B Grade on GTmetrix. Upgrading unlocks progressively higher score targets, more revisions, and a broader scope of optimisation work — giving you flexibility depending on how competitive your niche is and how ambitious your performance goals are.
**Important to know:**
Score targets apply to standard Shopify themes. Stores using third-party page builders (such as Pagefly, GemPages, or Shogun) or custom-coded themes may require a bespoke approach — reach out via the order chat before purchasing and we will advise accordingly.
**Who this is for:**
This service is ideal for Shopify store owners who are losing potential customers to slow load times, struggling with poor Core Web Vitals, running paid traffic to an underperforming store, or simply wanting a faster, more professional shopping experience for their visitors.
After delivery, the Zinn Digital® team remains available to support you and answer any questions. Your store's performance matters — let us help you get it right.
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Compare Packages
| Feature | Booster | Boost | Premium |
|---|---|---|---|
| Delivery Time | 1 days | 1 days | 1 days |
| Revisions | 3 | 5 | unlimited |
| 65+ Mobile & 80+ Desktop on Google PageSpeed Insights | ✓ | ✕ | ✕ |
| B Grade GTmetrix performance result | ✓ | ✕ | ✕ |
| Image compression, sizing & lazy loading | ✓ | ✕ | ✕ |
| JS & CSS minification and HTTP request reduction | ✓ | ✓ | ✕ |
| Backup theme created for security | ✓ | ✕ | ✕ |
| Work done on duplicate theme — live store unaffected | ✓ | ✕ | ✕ |
| 75+ Mobile & 88+ Desktop on Google PageSpeed Insights | ✕ | ✓ | ✕ |
| A Grade GTmetrix performance result | ✕ | ✓ | ✕ |
| Full image optimisation, lazy loading & font streamlining | ✕ | ✓ | ✕ |
| App code audit & redundant code removal | ✕ | ✓ | ✕ |
| Backup theme created — live store fully protected throughout | ✕ | ✓ | ✕ |
| 85+ Mobile & 92+ Desktop on Google PageSpeed Insights | ✕ | ✕ | ✓ |
| A/A+ Grade GTmetrix performance result | ✕ | ✕ | ✓ |
| Comprehensive image, font, lazy loading & rendering optimisation | ✕ | ✕ | ✓ |
| Deep app analysis & full redundant code removal | ✕ | ✕ | ✓ |
| Advanced JS & CSS minification, combining & HTTP reduction | ✕ | ✕ | ✓ |
| Backup theme created — live store unaffected throughout | ✕ | ✕ | ✓ |
Portfolio
Examples of the seller's work related to this Zinn.
Optimise Your Shopify Store Speed for Higher Scores
Optimise Your Shopify Store Speed for Higher Scores
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Frequently Asked Questions
Yes, absolutely. The optimisation is carried out on a duplicate copy of your live theme. Your live store continues to run normally for all visitors and customers throughout the entire process. There is no downtime and no need to pause any advertising campaigns.
No. The optimisation focuses purely on performance and speed. Your store's appearance, product listings, pricing, content, and overall design will remain exactly as they are. Nothing visible is modified.
No. Image compression is carried out using techniques that maintain visual quality. Customers will see no difference in how your images look — only your load times will improve.
The target scores quoted apply to standard Shopify themes. If your store uses a third-party page builder such as Pagefly, GemPages, or Shogun, or runs a heavily customised theme, please get in touch before ordering. There is always room for improvement in these cases, and realistic targets can be discussed in advance.
Yes, the process is completely safe. A backup of your theme is created before any work begins. The optimisation is applied to a duplicate theme first, meaning your live store is never at risk. Everything in your store will function exactly as before after delivery.
Once your order is placed, share your store access credentials via the order chat. The work begins with a pre-optimisation speed audit and score capture. Optimisation is then carried out, and a post-optimisation score is documented. The updated theme is applied and delivery confirmed — typically within one business day.
You will need to provide collaborator access or staff account login details for your Shopify store, along with your store URL. If there is anything else needed for your specific setup, it will be requested via the order chat.
Yes. Support is available after delivery if you have questions or need guidance. If any issues arise following delivery, please reach out via the order chat and they will be addressed promptly.
Customer Reviews
See what our customers say about this Zinn
Neil optimized my site speed to 90+ in just half a day, and I’m already seeing much better results than before. This has really helped improve my conversion rates a lot. Neil is sincere and professional I will definitely hire him again!
Best speed optimzation. Bang for buck. $20+ for 90+ speed on mobile is just crazy. And it is stabilizing at 90+ mobile as well. Previously I tried one othis service at $30+, it went to 90+ on mobile in the beginning, but after a while just dropped to 70+ then 60+. I was very confused. But this seller proved that his service is solid and good. Highly recommend!
I was stuck with my project's performance and luckily I found Neil. He was very understanding and knew exactly what I wanted. I would definitely recommend him to everyone looking for website performance.
Absolutely perfect experience! Faid did an incredible job improving our website speed — we now have a 100/100 PageSpeed score! He worked fast, communicated clearly, and went above and beyond our expectations. I highly recommend him to anyone who wants top performance and professional results. Will definitely work with him again!
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