# Performance and theme code: Shopify articles > Speed, Core Web Vitals, Liquid, technical debt and code choices that weigh on the store. 11 articles by Francesco Guiducci. - URL: https://ifgdigital.com/en/ifgwebdesign/ecommerce/blog/topic/performance/ - Author: [Francesco Guiducci](https://ifgdigital.com/en/francesco-guiducci/) [IFG Digital](https://ifgdigital.com/en/)/[IFG Web Design](https://ifgdigital.com/en/ifgwebdesign/)/[IFG eCommerce](https://ifgdigital.com/en/ifgwebdesign/ecommerce/)/[Blog](https://ifgdigital.com/en/ifgwebdesign/ecommerce/blog/)/Performance and theme code # Performance and theme code Speed, Core Web Vitals, Liquid, technical debt and code choices that weigh on the store. 11 articles - [SEO, GEO and visibility](https://ifgdigital.com/en/ifgwebdesign/ecommerce/blog/topic/seo-geo/) - [Performance and theme code](https://ifgdigital.com/en/ifgwebdesign/ecommerce/blog/topic/performance/) - [Development, apps and APIs](https://ifgdigital.com/en/ifgwebdesign/ecommerce/blog/topic/sviluppo-api/) - [Migrations and platform choice](https://ifgdigital.com/en/ifgwebdesign/ecommerce/blog/topic/migrazioni/) - [Dropshipping, niches and channels](https://ifgdigital.com/en/ifgwebdesign/ecommerce/blog/topic/dropshipping/) - [Compliance and regulation](https://ifgdigital.com/en/ifgwebdesign/ecommerce/blog/topic/normativa/) - [B2B, ERP and integrations](https://ifgdigital.com/en/ifgwebdesign/ecommerce/blog/topic/b2b-integrazioni/) - [News and Shopify features](https://ifgdigital.com/en/ifgwebdesign/ecommerce/blog/topic/novita/) - [Native features, no apps](https://ifgdigital.com/en/ifgwebdesign/ecommerce/blog/topic/nativo/) - [Method, services and choosing a professional](https://ifgdigital.com/en/ifgwebdesign/ecommerce/blog/topic/servizi-metodo/) - [IFG apps](https://ifgdigital.com/en/ifgwebdesign/ecommerce/blog/topic/app-ifg/) Performance and theme code·2 July 2026 ## [Dawn Cart Drawer on Shopify: Customization and Testing Without Page Builders](https://ifgdigital.com/en/ifgwebdesign/ecommerce/blog/shopify-dawn-cart-drawer-customization/) Customize Dawn's Cart Drawer with AJAX cart updates, shipping progress bars, related products, performance checks and mobile testing without page builders. 3 min read Performance and theme code·15 May 2026 ## [Zero-Friction Shopify Web Design: 5 Technical Changes That Matter](https://ifgdigital.com/en/ifgwebdesign/ecommerce/blog/zero-friction-shopify-web-design-technical-improvements/) Five Zero-Friction Shopify changes covering INP, LCP, CLS, apps, data and GEO to reduce measurable friction without conversion guarantees. 3 min read Performance and theme code·3 May 2026 ## [Too Many Shopify Apps? Costs, Performance and When to Replace Them](https://ifgdigital.com/en/ifgwebdesign/ecommerce/blog/too-many-shopify-apps-costs-performance/) How to evaluate Shopify apps, performance, costs and dependencies, and when native features, theme work or custom development make more sense on Basic, Grow and Advanced. 3 min read Performance and theme code·2 May 2026 ## [High-Volume Shopify: Performance, Data and Architecture in 2026](https://ifgdigital.com/en/ifgwebdesign/ecommerce/blog/high-volume-shopify-performance-data-architecture/) Technical guide to complex Shopify stores: theme performance, catalog, apps, data, automation and integrations on Basic, Grow and Advanced. 4 min read Performance and theme code·27 April 2026 ## [Slow Shopify: How to Fix It Without Changing Your Theme](https://ifgdigital.com/en/ifgwebdesign/ecommerce/blog/slow-shopify-fix-without-changing-theme/) How to find Shopify performance bottlenecks across apps, JavaScript, images, Liquid and Core Web Vitals without chasing PageSpeed 100. 2 min read Performance and theme code·25 April 2026 ## [Shopify Technical Debt: How to Identify and Reduce It Before Scaling](https://ifgdigital.com/en/ifgwebdesign/ecommerce/blog/shopify-technical-debt-before-scaling/) How to analyze Shopify technical debt across apps, JavaScript, Liquid, data and Core Web Vitals before scaling, without invented formulas or guarantees. 2 min read Performance and theme code·24 April 2026 ## [Shopify PageSpeed: Why 99/100 Is Not the Goal](https://ifgdigital.com/en/ifgwebdesign/ecommerce/blog/shopify-pagespeed-why-100-is-not-the-goal/) Shopify PageSpeed: Lighthouse, TBT, INP and real Core Web Vitals. Optimize performance without chasing 100/100 or conversion guarantees. 1 min read Performance and theme code·16 April 2026 ## [Custom Liquid on Shopify: When to Use It for Performance and Flexibility](https://ifgdigital.com/en/ifgwebdesign/ecommerce/blog/shopify-custom-liquid-performance-flexibility/) Custom Liquid on Shopify: when to use it, when sections, Metaobjects, Functions or apps are better, and how to avoid performance, checkout and GEO overclaims. 3 min read Performance and theme code·11 April 2026 ## [Shopify Mobile Speed 2026: Core Web Vitals and Technical Diagnosis](https://ifgdigital.com/en/ifgwebdesign/ecommerce/blog/shopify-mobile-speed-2026-core-web-vitals-diagnostics/) How to analyze Shopify mobile speed with LCP, INP, CLS, images, JavaScript, apps and before/after tests without conversion promises. 7 min read Performance and theme code·6 April 2026 ## [Page Builder or Liquid on Shopify? Performance and Maintenance](https://ifgdigital.com/en/ifgwebdesign/ecommerce/blog/shopify-page-builder-vs-liquid-performance-maintenance/) Comparison between page builders and Liquid on Shopify: performance, JavaScript, editor, dependencies, maintenance and when an app is needed instead. 7 min read Performance and theme code·2 April 2026 ## [Shopify Slow on Mobile? 5 Technical Checks to Improve Speed](https://ifgdigital.com/en/ifgwebdesign/ecommerce/blog/shopify-slow-mobile-speed-checks/) Five checks for a Shopify store that is slow on mobile: images, JavaScript, apps, fonts and Liquid, with measurements before and after the change. 3 min read [All blog articles](https://ifgdigital.com/en/ifgwebdesign/ecommerce/blog/)