Fastify

Fastify, officially listed on the Shopify App Store as Fastify: Instant Page Loads, is a Shopify app in the SEO category. Fastify supercharges your Shopify storefront with advanced preloading and prerendering technology, ensuring your pages load instantly for every visitor. By optimizing performance behind the scenes, Fastify helps you deliver a seamless shopping experience. Easy to set up and compatible with all themes, Fastify is designed for stores of any size looking to boost speed and customer satisfaction—no coding required. It averages 5.00 out of 5 across 1 merchant reviews on the Shopify App Store.

Fastify offers a free plan and 2 paid plans starting at $4/month and going up to $10/month. The free plan includes Smart subsequent preload. The paid plans unlock advanced features beyond what's available on the free tier.

Yes — Fastify offers a free plan alongside paid options. The free plan includes Smart subsequent preload. Paid plans start at $4/month for advanced features.

Fastify launched on January 2, 2020 — over 6 years on the Shopify App Store. In that time it has gathered 1 merchant reviews.

Fastify does not currently carry Shopify's Built for Shopify badge. The badge is awarded to apps that meet Shopify's published standards for performance, ease of use, and merchant value — many high-quality apps operate without it.

Merchants commonly compare Fastify with Judge.me, Avada AI SEO Image Optimizer, Yotpo, and BOOSTER AI SEO OPTIMIZER. Each alternative covers a similar use case but differs on pricing model, integration depth, and the specific themes merchants praise in reviews — see the alternatives section above for a side-by-side.