I have gone through your store. Your store looks good.
I have checked your site in the lighthouse chrome tool. your website score is very low.
3rd party apps & codes which take time to load and their size . They decrease the speed.
The Opportunities section of your Lighthouse or Page insight tool report lists all offscreen or hidden images in your page along with the potential savings in kibibytes (KiB). Consider lazy-loading these images after all critical resources have finished loading to lower Time to Interactive.
To defer loading of offscreen images in your Shopify site, you will have to modify your Theme (theme.liquid file) to leverage the lazySizes library.
Eliminate render-blocking resources :
The most common render-blocking resources are JavaScript and CSS files that are located at the head of your web page. They load in the above-the-fold area (or the area that you normally see on a website before scrolling down to see the rest of the content) and they are a part of the critical rendering path used by a web browser.
- Deferring all non-critical JS/CSS
- Moving Third-party App stylesheet to the footer.
- Minify the third-party app CSS/JS file.
Other issues you have to work on :
Need to work on following points
- Theme Upgrade if there is a scope and upgraded theme available
- Reduce JS Payload.
- Use Critical CSS .
- Reduce Large Image Sizes
- Compress Images
- Limit Third Party JavaScript & Shopify Apps
- Preload Web Fonts.
- I would suggest limiting to one and using a standard web font.
Remove the unused app unused CSS JS file.
By fixing these issues, your website speed score can definitely improve.
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https://www.oscprofessionals.com/shopify-performance-optimization/
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