Will you rewrite the whole theme?

Only if the theme is the bottleneck. Most stores gain more from images and app cleanup than a rebuild.

Does compressing images hurt SEO?

Not if dimensions and ALT text stay correct. Heavy uncompressed PNGs hurt both speed and crawl. See the image guides.

Shopify speed optimization

Shopify Speed Optimization

Slow Shopify stores are usually images, extra apps, and theme JavaScript — not “buy a new theme.” I measure the product and collection templates, then cut what actually blocks LCP and INP.

Merchants seeing a heavy homepage, 3–8 second product pages, or Search Console CWV warnings. Usually replies within 2–6 hours.

Send your requirements Or install Seoi — $3.99/mo →

What you get

✓Image size and format (without wrecking quality)
✓Theme app extensions and unused scripts
✓Lazy-load, font, and LCP image fixes
✓App audit: what to keep, remove, or replace
✓Seoi compress + image SEO if catalog photos are the bottleneck

How it works

1.Measure. Homepage, collection, and a typical product URL on mobile. We agree which template matters first.
2.Cut weight. Images, apps, and theme JS — in that order unless your profile is different.
3.Recheck. You get before/after notes. Catalog image work can continue in Seoi so new products stay light.

Questions

Will you rewrite the whole theme?: Only if the theme is the bottleneck. Most stores gain more from images and app cleanup than a rebuild.
Does compressing images hurt SEO?: Not if dimensions and ALT text stay correct. Heavy uncompressed PNGs hurt both speed and crawl. See the image guides.