Every Webflow developer has experienced it.

You finish a project, hand it over, and feel good about the work. Then the client sends a Slack message with a screenshot. The OG image is missing. There's horizontal scroll on iPhone. A form goes nowhere. The sitemap was never submitted.

None of these are catastrophic bugs. They're just things that slip through when you're juggling a live launch with no structured process.

This is the website launch checklist I use on every project. Six phases, covering everything from pre-build architecture to client handoff. Work through it in order, and nothing gets missed.

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Why a Website Launch Checklist Matters

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Most developers think of a checklist as a safety net. It's actually something more valuable — it's a system for delivering consistent quality regardless of project size, client type, or how much sleep you got the night before.

A standardized launch process does three things:

It protects your reputation. One broken launch costs more than the hours you saved by skipping QA.

It speeds up delivery. When you know exactly what to do and in what order, you stop re-discovering the same problems on every project.

It builds client trust. Clients notice when developers are methodical. It's the difference between looking like a freelancer and looking like a studio.

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The 6-Phase Website Launch Checklist

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Phase 01 — Pre-Build Structure

Complete this before opening Webflow. Zero ambiguity equals zero revisions.

The most expensive mistakes happen before a single element is placed. Agreeing on sitemap structure, CMS collections, URL architecture, analytics stack, and content requirements upfront eliminates entire categories of revision later.

Key items to resolve before building:

- Primary conversion goal defined (trial signup, demo request, newsletter)

- Full sitemap confirmed — maximum 8 top-level pages

- CMS collections planned (Blog, Changelog, Case Studies, Team, Integrations)

- URL structure agreed upon — flat vs. nested, decided before writing a single slug

- Analytics stack confirmed — GA4, Segment, Hotjar, Crisp

- Cookie and GDPR handling agreed upon

- Hero copy finalized — H1, subheadline, primary CTA, secondary CTA

- Social proof assets ready — logos, ratings, testimonials (minimum 3)

- Pricing table data confirmed — tiers, features per tier, monthly/annual toggle

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Phase 02 — Build QA Checklist

Run this after the build is complete. Catch it before the client does.

Responsiveness is the most common failure point. Test at 1920, 1440, 1280, 1024, 768, 480, and 375px — not just desktop and mobile. Each breakpoint needs to be verified manually, not assumed.

Critical QA items:

- All 7 breakpoints tested in Webflow Designer and browser DevTools

- Navbar collapses correctly at tablet and mobile

- No horizontal scroll on any breakpoint

- Hero section scales without text overflow

- Images do not stretch or crop incorrectly

- Forms tested with a real email address — success state and error state both verified

- Scroll animations fire once, not on repeat

- Hover states work on touch devices or are explicitly disabled

- All third-party embeds functional (Calendly, Typeform, chat widgets)

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Phase 03 — SEO and Tech Launch Checklist

This is where most agencies fail. Every item on this list affects rankings and crawlability.

A technically perfect site can be invisible to Google. Meta tags, Open Graph, structured data, sitemaps, and canonical tags are not optional — they are the foundation of organic discoverability.

SEO checklist items:

- Every page has a unique title tag — 50 to 60 characters, primary keyword first

- Every page has a unique meta description — 150 to 160 characters, include a CTA

- OG image uploaded at 1200 x 630px — branded, not the Webflow default

- robots.txt accessible and correct — verify at /robots.txt after publish

- XML sitemap generated and submitted to Google Search Console

- Canonical tags set (self-referencing) to prevent duplicate content penalties

- 301 redirects mapped and implemented — every changed URL tracked before go-live

- Structured data added — Organization, SoftwareApplication, FAQPage schemas

- Google Search Console property verified

- GA4 installed and firing — confirmed in DebugView before launch

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