squarespace.com
the door is vertical specificity — Squarespace serves everyone from yoga studios to law firms with the same generic templates, and any niche builder with tighter defaults and purpose-built workflows will win that vertical on conversion.
where the walls are.
their capital wall is paper-thin — runs on commodity cloud + free tiers.
their distribution is fortress-grade — they own their brand SERP end-to-end.
the blunt take.
“Squarespace is a horizontal platform trying to be everything to everyone, which means it's nothing special to anyone. The wedge isn't "build a better website builder" — it's "build the website builder for tattoo studios" or "for music teachers" and own that vertical before they notice.”
Their moat is brand recognition and template breadth, not switching cost — a user's content is just HTML, images, and a domain. The moment a vertical-specific competitor ships booking, invoicing, and a gallery that actually looks right for that niche, the migration argument writes itself.