Every extra second of load time costs conversions. The good news: most slow Shopify stores suffer from the same handful of problems, and most of them can be fixed without a full redesign.
Why Shopify stores get slow
- Too many apps: each app can inject scripts on every page — even pages that do not use it.
- Heavy media: large hero videos and uncompressed images delay the largest contentful paint.
- Theme bloat: unused sections, sliders and fonts add weight.
- Third-party tracking: chat widgets, pixels and review tools stacked together.
Fixes that make a real difference
- Audit installed apps and remove leftover code from uninstalled ones.
- Replace simple app features (badges, size charts, FAQs) with native theme sections and metafields.
- Use Shopify’s image_url filters with proper widths and lazy-load images below the fold.
- Preload the hero image and limit custom fonts to two weights.
- Load chat and review widgets only after user interaction.
Measure what matters
Focus on real-user Core Web Vitals in Search Console rather than chasing a perfect Lighthouse score. A store that feels fast on a mid-range phone will convert better than one optimised only for lab tests.