Side-by-side comparison · 24 data points
Inline your Critical CSS to eliminate render-blocking resources. This will speed up your store.
| Inline ‑ Critical CSS | SEOLab | |
|---|---|---|
| Tagline | ||
| Description | ||
| Screenshots | images | images |
| Languages | ||
| Platforms | ||
| Developer | ||
| Listed |
| Metric | Inline ‑ Critical CSS | SEOLab: All in #1 SEO — AI SEO |
|---|---|---|
| Rating | 3.6 ★ | ★ 4.9 ★ |
| Total reviews | 8 | ★ 2.6k |
| Free plan | — | ★ Yes |
| Pricing | $10 one-time charge | ★ Free |
| Built for Shopify | — | ★ Yes |
| Pricing tiers | 1 tier | — |
| Listed features | 3 | ★ 5 |
| Featured placements | — | 2 |
| Languages | 1 supported | 12 supported |
| Listed since | Mar 2021 | Dec 2024 |
Based on the data on this page, SEOLab: All in #1 SEO — AI SEO is the stronger choice for most Shopify App Store merchants — 4.9★ vs Inline ‑ Critical CSS's 3.6★ is a meaningful gap that usually reflects real product or support quality differences across the user base.
On pricing, SEOLab: All in #1 SEO — AI SEO offers a free tier (Free) while Inline ‑ Critical CSS starts at $10 one-time charge. The free option meaningfully reduces evaluation cost, particularly at low usage volumes where the entry-paid tier can outpace the value delivered.
SEOLab: All in #1 SEO — AI SEO has the larger user base (2,585 reviews vs 8), which usually maps to broader integration coverage, faster bug-fix cadence, and a deeper bench of community workflow patterns. Inline ‑ Critical CSS's smaller cohort can be an advantage for niche workflows where the bigger app has accumulated bloat.
Recommended by size: small/early-stage merchants who need fast install and low risk should default to SEOLab: All in #1 SEO — AI SEO; mid-market and enterprise merchants with specific feature requirements should evaluate both — Inline ‑ Critical CSS's 8-review base may include the workflow context that matches your specific use case better than SEOLab: All in #1 SEO — AI SEO's broader-but-shallower coverage.
This verdict is generated from the live marketplace data on this page — rating, review count, pricing tier, and category position all refresh from the canonical Shopify App Store listing every 24 hours. AppRanks does not accept payment to influence comparison outcomes; the methodology is documented on the About page and applies identically to every pair on the site.
Read each app's audit: Inline ‑ Critical CSS audit • SEOLab: All in #1 SEO — AI SEO audit
| Last updated | — | — |
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| Keyword | Inline ‑ Critical CSS | SEOLab |
|---|---|---|
| ai visibility and seo | Not ranked | #1 |
| ai seo | Not ranked | #1 |
| repro probe 1782162814679 1 | Not ranked | #1 |
Not featured in any section recently.
No tracked changes.
SEOLab: All in #1 SEO — AI SEO is the cheaper option — it offers a free plan (Free). Inline ‑ Critical CSS starts at $10 one-time charge. Both publish their pricing on the Shopify App Store; AppRanks mirrors what's listed on each refresh cycle.
SEOLab: All in #1 SEO — AI SEO has the higher average rating (4.9★ from 2,585 reviews) compared to Inline ‑ Critical CSS (3.6★ from 8 reviews). Both are tracked daily by AppRanks, so the figures here update each refresh cycle.
SEOLab: All in #1 SEO — AI SEO holds the higher average rating (4.9★ vs 3.6★). That is the one dimension AppRanks can separate them on here — read both apps' detail pages for the feature breakdown and recent listing changes.
Both apps are one-click installs from the Shopify App Store. SEOLab: All in #1 SEO — AI SEO has the deeper published review base (2,585 vs 8), which often — though not always — accompanies better-tested setup docs. AppRanks doesn't measure setup time directly: read the recent reviews on each app's detail page for user-reported install experience.
Inline ‑ Critical CSS typically suits early-stage and growth-mode teams based on its published review base (8 reviews). SEOLab: All in #1 SEO — AI SEO typically suits early-stage and growth-mode teams based on its published review base (2,585 reviews). A larger review base generally means the app has been exercised at scale — relevant if you are processing high volume or handling enterprise compliance requirements.
Migration support varies by app and category. Inline ‑ Critical CSS and SEOLab: All in #1 SEO — AI SEO both publish their export options on their marketplace listing pages (or in their support docs); some apps offer one-click import from competitors, others require CSV. The fastest check: search "import from Inline ‑ Critical CSS" in each app's help center. AppRanks does not track migration tooling directly — this is a category-specific capability worth verifying before commitment.
