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Website Launch Checklist — 50 Items

Don't launch your website without this comprehensive 50-item checklist covering SEO, performance, security, accessibility, and user experience.

Pre-Launch Planning

Define website goals, KPIs, and target audience. Register the domain, configure DNS with low TTLs for launch day, and set up professional email addresses. Create a staging environment that mirrors production. Plan the URL structure using short, descriptive, keyword-inclusive paths.

Design and Development

Ensure responsive design works across all device sizes. Test all forms, internal and external links, and interactive elements (accordions, modals, carousels). Implement a custom 404 page, breadcrumb navigation, and site search for larger sites. Verify the design system is consistent with brand colors, typography, and spacing.

SEO Configuration

Install an SEO plugin if using a CMS. Write unique title tags and meta descriptions for every page. Set one H1 per page and configure clean URL slugs. Generate and submit an XML sitemap to Google Search Console. Create robots.txt that allows proper crawling. Implement canonical tags, set up GA4 with event tracking, and add JSON-LD structured data for Organization, Breadcrumb, and page-specific schemas. Optimize all images with descriptive alt text and WebP format.

Performance Optimization

Target a PageSpeed Insights score of 90+ on mobile and desktop. Meet Core Web Vitals thresholds — LCP under 2.5s, FID under 100ms, CLS under 0.1. Implement lazy loading, minify assets, enable browser caching, and use a CDN. Optimize web fonts with font-display: swap. Aim for TTFB under 200ms.

Security Checklist

Install and enforce SSL/HTTPS across the entire site. Set up a Web Application Firewall and strong password policies. Keep all CMS core, plugins, and themes updated. Configure automated off-site backups with tested restoration. Add security headers — Content-Security-Policy, X-Frame-Options, X-Content-Type-Options. Disable directory browsing.

Meet WCAG 2.1 AA standards — proper color contrast, keyboard navigation, and screen reader support. Add aria labels to interactive elements. Publish a privacy policy, terms of service, and cookie consent banner as required by applicable regulations.

Final Pre-Launch

Run a full site crawl to catch remaining issues. Test in incognito mode to ensure no cached artifacts appear. Perform a soft launch with a small test user group. Monitor error logs and server resources during the first 48 hours. Announce the launch via email, social media, and business networks.

Implementation & Execution FAQs

Common questions regarding how to implement, coordinate, and verify this blueprint in your organization:

What is the best way to execute this checklist?
We recommend duplicating this checklist into your team's project management tool (like Jira, Trello, or Notion) and assigning clear technical owners to each segment.
How long does the execution of this guide typically take?
Execution depends on the specific scope: a standard SEO audit can be completed in 3 to 5 days, whereas an enterprise cloud migration requires 2 to 6 weeks of planning and scripting.
Who should oversee the implementation of this resource?
A technical project manager, systems architect, or lead engineer should guide the process, coordinating with relevant frontend, database, and marketing team members.
Are there common mistakes to avoid during execution?
The most common pitfall is skipping the pre-execution backup phase. Always test staging changes in an isolated sandbox environment prior to live deployment.
Can we integrate this checklist into an automated workflow?
Yes. Many check parameters can be translated into automated CI/CD checks, testing scripts, or cron jobs to ensure continuous compliance.
What should we do if we encounter technical bottlenecks?
Consult the <a href="/glossary/" class="text-brand-orange underline">glossary section</a> for unfamiliar terminology, review framework documentation, or book a session with our engineering team for support.
Does this guide cover security and compliance parameters?
Yes, standard security steps (SSL certificate audits, database password hashing, credential isolation, and firewall setups) are baked into our resource templates.
How do we verify that a checkpoint is successfully completed?
We recommend running automated testing engines (like Playwright, Lighthouse, or AWS Inspector) to mathematically verify site performance and security scores.
What happens if we need to modify these steps?
Feel free to customize. Every technical architecture has unique specifications, so adapt the steps to fit your infrastructure.
Who can I contact for professional support?
You can book a free technical consultation via our sidebar CTA to discuss custom migrations or integrations with our senior engineering architects.

Get the Blueprint

Open source document designed for technical lead reviews and operational project coordination.

Format: Spreadsheet / Checklist
Updated: Q1 2026
License: Creative Commons (CC BY 4.0)
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