Fastify

Shopify seo app by Fastify Apps·SEO Onpage app provides many tools, which do literally everything you need for optimal SEO functions

Snapshot

3.80(33 reviews)#102of 884 inSEO

Ongoing.AI tracks Fastify daily — category rank, keyword positions in App Store search, install footprint, listing changes, and reviewer sentiment — back to when we first observed the listing.

CategoriesSEO

Rating

3.80

33 reviews

Pricing

Free

free

Built for Shopify

No

Years live

6

launched Oct 2, 2019

Last updated

Jun 30, 2026

Shopify listing

Recent activity

Review trajectory.

Daily review count and rating drift. The blue line is cumulative review count; the dashed amber overlay is the rating on the right axis. Boring is good — sudden swings stand out against an otherwise stable curve.

New reviews

7-day Δ

—

28-day Δ

-1

Rating change

7-day Δ

—

28-day Δ

+0.00

#35#35#34#33#335.003.752.501.250.00May 28Jun 1Jun 5Jun 9Jun 14Total reviewsRating (0–5)
Fastify lost 1 reviews over the last 28 days.

Catalog position

Where Fastify sits in the App Store.

Rank and percentile inside the SEO category — the competitive shape of the niche around this app.

Rank in SEO

#102

of 884 active apps

Review count percentile

89th

vs category siblings

Rating percentile

59th

vs category siblings

Years on App Store

6

since 2019

Listing change cadence

What Fastify has changed lately.

Every pricing tweak, tagline refresh, and Shopify-side listing ping. Captured from Ongoing.AI’s per-scrape diff log — the cadence and the content of changes, in one strip.

Listing changes · last 21 days+14shopify_lastmod: 2026-06-09 → 2026-06-11shopify_lastmod: 2026-06-11 → 2026-06-13shopify_lastmod: 2026-06-13 → 2026-06-16shopify_lastmod: 2026-06-16 → 2026-06-19shopify_lastmod: 2026-06-19 → 2026-06-20shopify_lastmod: 2026-06-20 → 2026-06-23shopify_lastmod: 2026-06-23 → 2026-06-26shopify_lastmod: 2026-06-26 → 2026-06-29shopify_lastmod: 2026-06-29 → 2026-06-30Jun 10, 26Jun 20, 26Jul 1, 26

Shopify Lastmod · Jul 1

2026-06-29 → 2026-06-30

Shopify Lastmod · Jun 30

2026-06-26 → 2026-06-29

Shopify Lastmod · Jun 27

2026-06-23 → 2026-06-26

PricingIdentity & listingCadence

Reviews

What merchants are saying

3.80(33 reviews)
  • 80%positive67
  • 10%neutral8
  • 11%negative9

Top themes

    What merchants praise

    “I used this app to help me keep on track better with my store.i really like how the app helps me keep on track”
    Lizzie's Custom Cut's · 5★

    What merchants complain about

    “The image alt tag update is stuck with no way to restart it or reset it for a new update. Sent a helpdesk request but received no reply. Would be nice to have some support for the paid plans as ours”
    Casinetto · 1★

    Capabilities

    What Fastify can do.

    The 27 capabilities Fastify lists across its category, in Shopify’s own taxonomy. Pulled directly from the App Store listing.

    SEO tools

    24
    • ALT text
    • Preloading
    • Lazy loading
    • Broken links
    • Backlinks
    • Redirects
    • 404 pages
    • Breadcrumbs
    • Sitemaps
    • Page indexing
    • Meta tags
    • Rich snippets
    • JSON-LD
    • Schemas
    • Bulk editing
    • AI generation
    • Local SEO
    • AMP pages
    • Mobile responsive
    • URL optimization
    • Content optimization
    • Metadata optimization
    • Automations
    • APIs and webhooks

    Monitoring performance

    3
    • Keyword analysis
    • Link analysis
    • Content analysis

    FAQ

    Fastify — frequently asked questions.

    What is Fastify on Shopify?
    Fastify, officially listed on the Shopify App Store as Fastify: SEO Onpage, is a Shopify app in the SEO category. Auto SEO issues scan and suggestions: Point out what your SEO problems are and how to correct it. Compress images: Optimize all images by product, collection, asset, article images to make site loading better (auto BACKUP). Full Content suggestions for SEO: Add your Focus Keyword and let this app suggest you how to write and improve your SEO Content and beat other store on Search Engines. Auto optimize is run in the our backend's background, ensuring your web. It averages 3.80 out of 5 across 33 merchant reviews on the Shopify App Store.
    How much does Fastify cost?
    Fastify is free to install and use on Shopify — there are no paid plans on this app.
    Is Fastify free?
    Yes — Fastify is free to install and use on Shopify. There are no paid plans.
    When was Fastify launched?
    Fastify launched on October 2, 2019 — over 6 years on the Shopify App Store. In that time it has gathered 33 merchant reviews.
    Is Fastify Built for Shopify?
    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.
    What are the best Fastify alternatives?
    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.

    Alternatives

    Apps merchants pick instead.

    Judge.me

    Judge.me Product Reviews App

    5.00★41,006

    Known for: customer-support

    Avada SEO Suite

    Avada AI SEO Image Optimizer

    4.90★4,462

    Known for: customer-support

    Yotpo

    Yotpo: Product Reviews App

    4.80★4,403

    Known for: customer-support

    Booster SEO

    BOOSTER AI SEO OPTIMIZER

    4.80★4,264

    Known for: bug

    Browse more inAll SEO apps

    Methodology

    Where the numbers come from.

    Ratings, review counts, pricing tiers, “Built for Shopify”, launch date, and category memberships come from the live Shopify App Store listing — refreshed daily by Ongoing.AI’s crawler. The review-count trajectory is the diff between today’s snapshot and snapshots from 7 and 28 days ago. Topic counts and sentiment come from the review corpus, topic-tagged with Claude. Install footprint is observed via Ongoing.AI’s tech-detection pass against actively-tracked Shopify storefronts. Catalog position is computed at snapshot time against every active app sharing the primary category. Snapshot generated .

    Find every brand running Fastify.

    Ongoing.AI tracks every Shopify brand’s app stack daily. Pull the full install list, filter by vertical or geography, and catch the moment merchants install — or churn off.

    Request access Get alerts on Fastify

    Prefer the source? View Fastify on the Shopify App Store ↗