I get a version of this question every month. "We have our site on Wix. Or Squarespace. It is starting to feel limiting. Should we move?" The answer is almost always yes — but not for the reasons the migration articles online tell you, and not on the timeline they suggest.

This is an honest comparison from someone who builds custom sites for a living. I will give Wix and Squarespace credit where it is due, then walk through exactly where they break, when you should leave, and how to leave without losing your search rankings on the way out.

What hosted builders genuinely do well

Let me start by being fair. Wix and Squarespace are excellent for the specific job they are designed for: getting a small business online quickly without a developer.

  • Time to launch. A motivated owner with no technical skill can have a respectable site live in a weekend.
  • Hosting included. No server setup, no SSL configuration, no DNS confusion. It just works.
  • Templates that look modern. Particularly Squarespace — their out-of-the-box typography and layout are genuinely good.
  • Built-in essentials. Forms, basic e-commerce, blog, image gallery, basic SEO controls. All included.
  • No maintenance burden. No security patches, no plugin updates, no broken-after-update headaches.
  • Predictable monthly cost. €15–40/month covers everything.

For a one-person business, a side project, a wedding-photographer portfolio, a yoga studio with eight classes a week, a hosted builder is the right call. Do not overbuild.

The problem is that the builders also sell themselves to businesses that are not those things. And then it gets expensive — in lost performance, lost SEO, lost flexibility, and over time, real money.

Where they break: page speed

Wix and Squarespace produce some of the slowest websites on the internet. This is not opinion, this is what every public Core Web Vitals report shows. Both platforms ship enormous JavaScript bundles, render-blocking CSS, and third-party widgets that the owner cannot remove because they are wired into the page builder itself.

For a typical Squarespace business site I audit:

  • Lighthouse mobile performance score: 30–55
  • LCP: 3.5–6 seconds on 4G
  • Total JavaScript: 800 KB to 1.5 MB

A custom-built equivalent on a modern stack hits 95+ Lighthouse, LCP under 2 seconds, and 80–150 KB of JavaScript. Why does that matter? Google uses Core Web Vitals as a direct ranking factor (covered in Core Web Vitals for Business Owners) and slow sites simply lose conversions — every second of load time is a measurable drop in form completions and purchases.

You can hack at the edges with Wix or Squarespace performance, but the floor is set by the platform itself. You cannot get below it.

Where they break: SEO control

Both platforms ship "SEO panels" that look comprehensive in their marketing and are restrictive in practice. The things you cannot do, or can only do with hacks:

  • Custom canonical URLs beyond the default per-page setting.
  • Server-side redirects in arbitrary patterns. Wix and Squarespace let you list redirects manually, but bulk imports and pattern-based rules are limited or paid-tier-only.
  • Custom robots.txt rules. You get presets.
  • Per-page schema markup beyond the basics. Want a Product schema with aggregateRating from a custom review system? You are stuck.
  • hreflang for multilingual. Squarespace fakes multilingual with a third-party plugin. Wix's "multilingual" is bolted on and produces brittle URL structures.
  • llms.txt for AI crawlers. Not supported.
  • Per-page noindex / nofollow at the granularity I want it.

For a small business that does not care about ranking, none of this matters. For a growing business that depends on organic search, every one of these limits hurts. The full SEO baseline I expect on every project — and that hosted builders only partially deliver — is in my realistic SEO checklist.

Where they break: customisation

Both builders have a philosophy: pick from our templates, drop in our blocks, configure our settings. That works until you want something specific. Then you are reaching for the "embed custom code" block and writing CSS overrides against a moving target — every time the platform updates its internal classnames, your customisations break.

Real situations I have seen:

  • A client wanted their tour booking flow to skip the platform's checkout and go to Stripe directly with a custom amount. Possible on Wix only with a paid third-party plugin and a brittle iframe.
  • A Squarespace site needed a custom hero animation that respected the user's reduced-motion preference. The custom CSS got overwritten on the next platform update.
  • A multilingual Wix site wanted the language switcher to remember the user's choice across sessions. The platform's built-in switcher does not. Custom JavaScript in a code block worked for two weeks, then broke.

Custom code on a hosted builder is technical debt the platform owns, not you. Every customisation is one more thing that will fight the next template update.

Where they break: vendor lock-in

This is the big one. The day you decide to leave, you discover what you actually own.

Wix: their export tool gives you a static HTML dump. No editable source. The blog posts you wrote are recoverable as text. Your design, your custom code, your shop products, your customer database — all platform-specific. Most clients leaving Wix essentially rebuild from scratch.

Squarespace: similar. You can export blog posts as a WordPress-compatible XML file. Pages, products, customer data — platform-specific. Some metadata is recoverable through their API, much is not.

By contrast, a custom site built on standard tools — React, Next.js, Markdown, Postgres or Supabase — is yours forever. You can take the entire codebase, the database, and the assets to any developer and any host, and they can pick it up. There is no platform that can hold your business hostage by pricing decision.

This is the silent cost of the builders. You think you are renting hosting. You are renting your entire business platform.

Where they break: cost over time

The subscription math hides what you are actually paying. Take a Squarespace Business plan at €23/month. Over five years that is €1,380. Add a third-party booking widget at €15/month — €900 over five years. Add a multilingual plugin at €10/month — €600. Add the inevitable upgrade to Commerce tier in year two for €30/month — €1,440 more.

You are at €4,300 over five years. For a slow, locked-in site that you do not own.

A custom build for the same business — clean architecture, multilingual, direct booking, hosted on Vercel or similar — costs €3,000–6,000 once, plus maybe €100/year in hosting and €30/month in CMS tooling for owners who want self-service editing. Total over five years: €4,800–7,800, but you own it.

If your business is not growing, the builder math wins on year one and breaks even by year four. If your business is growing — adding services, adding languages, adding integrations — the custom math wins early and keeps winning. The full cost breakdown across project sizes is in How Much Does a Custom Website Cost?.

Where they break: integrations

The most common reason clients call me about leaving a hosted builder is integration pain. Specifics I see often:

  • Croatian fiskalizacija is not natively supported by either platform. You either pay a Croatian developer to hack a custom integration into the builder (expensive, fragile) or you cannot legally take direct payments.
  • CRM integrations beyond the platform's preferred partners require paid third-party connectors.
  • Email automation beyond newsletter signups — abandoned cart, post-purchase flows, segmented campaigns — is partial or missing.
  • Headless integrations — using Wix or Squarespace as just a CMS while serving the front-end on something else — is not really supported.
  • Custom APIs that your business uses (a partner inventory feed, a courier tracking service, a custom analytics endpoint) need either iframes or rebuilds.

Each one of these is a tax. Hosted builders are designed as walled gardens. The walls are the product.

Six signs you have outgrown the builder

If three or more of these are true, it is time to plan a move:

  1. You have hit the platform's limit on a feature you need (more pages, more storage, more team members, more languages).
  2. Your Lighthouse score is below 60 on mobile and you have done what you can with the builder's controls.
  3. You are paying €40+/month and adding plugin subscriptions on top.
  4. You have a custom integration in mind that the platform does not support natively.
  5. Your support tickets to the platform have stopped getting useful answers.
  6. You are losing rankings to competitors with faster, more flexible sites.

The trigger I see most often is number 4 — a business hits a strategic feature gap and realises the builder is the bottleneck.

How to leave without losing your search rankings

This is the part most "migrate off Wix" articles fluff. The non-negotiables for a clean migration:

  • Map every existing URL to its new URL before launch. Spreadsheet, every page, old slug to new slug.
  • 301 redirects on launch day for every URL that changed. This is the single most important step. Without 301s, Google treats the new site as brand new and you lose six months of ranking.
  • Preserve the content shape of your top 20 pages. Same H1, same general structure. You can polish the copy later.
  • Submit the new sitemap to Search Console the day of launch.
  • Watch crawl errors daily for the first month and patch missing redirects as they show up.

Done right, you keep all your ranking and gain a faster, more flexible site. Done wrong, you start over from zero.

When the builder is genuinely the right call

To repeat my opening: hosted builders are not bad. They are wrong for businesses they are not designed for. They are right for:

  • A solo professional who needs a simple presence.
  • A side project that may or may not become a real business.
  • A short-term campaign or event site.
  • A business with no ambition to grow beyond its current scope.

If that is you, do not let me talk you into a custom build. The right tool is the one that fits the job. The mismatch happens when growing businesses keep using the builder past the point where it costs them more than it saves.

Work with me

If you are weighing a move off Wix or Squarespace and want a no-pressure honest assessment of whether it is the right call for your business, I would be glad to look at your current site. Email info@tonibarisic.com or use the contact form. For more on why I default to custom code, see Why I Build Custom Websites Instead of Using Templates and Why Your WordPress Site Is Slow.