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Compare / Squarespace vs Custom
Comparison · Squarespace vs Custom Website · 2026

Squarespace vs custom website 2026.
When it's fine, and when it isn't.

Squarespace isn't always the wrong answer. But for any business that needs to rank in search, handle custom logic, or look meaningfully different from every other Squarespace site — it's costing you customers.

§ 01 · The quick verdict
Squarespace is fine for

Portfolios, simple event sites, side projects, and early-stage validation where you have no budget and just need something live.

Squarespace is not fine for

Any business that needs to rank in search, handle custom logic, or look different from every other Squarespace site in your industry.

§ 02 · When Squarespace is genuinely fine

There are real use cases.
We're not pretending otherwise.

Portfolio or creative showcase
A photographer, illustrator, or designer who needs a clean gallery site and doesn't need to rank for anything. Squarespace's templates are genuinely well-designed for this.
Simple event or promo sites
A one-off event page, a launch site for a product, or a seasonal campaign. If it's short-lived and low-stakes, Squarespace is fast to spin up.
Side projects and hobby sites
When the goal is 'have a presence online' and not 'generate revenue', Squarespace does the job without requiring a developer.
Early-stage, pre-revenue, no budget
If you're validating an idea and need something live this week, Squarespace is a reasonable placeholder. Just don't expect it to do SEO work for you.
§ 03 · When it starts costing you

Six ways Squarespace loses you customers.

  • 01
    Load speed is a SEO liability
    Squarespace sites typically score 40–65 on mobile Lighthouse. Google's Core Web Vitals are a ranking factor. If you're competing in local search, a slow site is costing you rankings.
  • 02
    The SEO ceiling is real
    You can add meta titles and alt text. But you can't control what ships in the HTML, can't add custom schema types, can't do server-side rendering, and can't build the technical SEO infrastructure that drives rankings in competitive niches.
  • 03
    No custom schema markup
    LocalBusiness, ProfessionalService, Service, Review schema — the structured data that helps Google understand what you do and who you serve — requires code. Squarespace supports basic schema but you can't customise it.
  • 04
    Template limitations compound over time
    When you want to do something the template wasn't designed for — a custom calculator, a quote tool, a booking flow — you're either hacking around the template or you can't do it at all.
  • 05
    Mobile Lighthouse scores are bad
    The 40–65 mobile Lighthouse range isn't an edge case — it's typical for Squarespace sites. Google measures mobile performance. Your customers search on phones.
  • 06
    Lock-in with no exit ramp
    Your content, design, and site structure all live inside Squarespace. When you outgrow it, you rebuild from zero. There's no migration path that carries your work forward.
§ 04 · Performance comparison
Squarespace mobile Lighthouse
40–65

Typical range for Australian small business Squarespace sites. Not an edge case — this is standard.

Next.js target (our builds)
90+

What we target on every build. Core Web Vitals within Google's 'Good' threshold.

Real-world result
99

King Double Glazing on Next.js. Rebuilt from a 13.1-second LCP. Mobile and desktop.

§ 05 · FAQ

Common questions.
Answered plainly.

Can't I just optimise a Squarespace site for SEO?

You can do the basics — meta titles, alt text, clean URLs. But you're hitting a ceiling quickly. You can't add custom LocalBusiness schema, can't do server-side rendering, can't control page weight beyond what Squarespace exposes. For local search in a competitive market, these limitations are real.

My Squarespace site looks fine. Why would I rebuild it?

If your site generates the enquiries you need and your market isn't competitive on search, don't rebuild it. We're not in the business of selling rebuilds people don't need. The question to ask is: is my site ranking for the searches that matter? If the answer is yes, stay. If no, the platform may be part of the problem.

What's the actual cost difference?

Squarespace charges an ongoing monthly platform fee — so over three years you're paying in subscription fees alone, before any designer or developer costs. A custom Next.js build has a higher upfront cost but near-zero ongoing platform fees. By year three or four, the custom build is typically cheaper in total.

How bad are the Lighthouse scores really?

We've tested a sample of Australian small business Squarespace sites. Mobile Lighthouse scores in the 40–65 range are standard. For comparison, our Next.js builds target 90+, and King Double Glazing scored 99. The gap matters for SEO — Google's Core Web Vitals are a ranking signal, and the mobile score is the one that counts.

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