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The client has approved the final design. The invoice is ready. Then, an hour after go-live, the contact form sends nothing, the staging site is still blocking search engines, and the homepage loads in four seconds. Most launch-day fires are not surprises. They are steps that nobody owned. A repeatable website launch checklist for agencies fixes that.
This guide gives you a practical checklist you can reuse on every project: pre-launch QA, performance, SEO, accessibility, security, go-live day steps, and client handover. It also shows how agencies that work with a white label partner can split the checklist so nothing slips and every site still launches under their own brand.
Why every agency needs a website launch checklist
A launch is the moment your agency is most exposed. The client is watching, the budget is spent, and any mistake is public. A checklist turns launch from a stressful judgment call into a routine.
- It protects your margin. Post-launch fixes are usually unbilled hours. Catching issues before go-live keeps them out of your cost line. For more on this, see our guide to scope creep in web design.
- It builds client trust. A clear sign-off process shows clients you are in control, and it gives them a record of what was tested.
- It lets you scale. When the process is written down, you can hand parts of it to a partner or a new hire without losing standards.
The website launch checklist for agencies: pre-launch essentials
Work through these sections on a staging site, in order. Treat each one as a gate. If a section fails, the site does not move to the next stage. This is also your website QA checklist, so use it as the sign-off document for the client.
1. Content and design sign-off
- The client has approved every page in writing, including mobile layouts.
- All placeholder text, dummy images and “lorem ipsum” are gone. Search the whole site for them.
- Copy, names, phone numbers, addresses and opening hours have been proofread by the client.
- Images have descriptive file names, alt text and sensible compression.
- Legal pages (privacy policy, terms, cookie notice) are published and linked in the footer.
2. Functionality and forms
- Every form sends to the right inbox, shows a clear confirmation message and has spam protection. Submit a real test entry for each one.
- Check every menu link, button and internal link. Fix or remove any broken link.
- For WooCommerce stores, place a test order, then test payment, tax, shipping, order emails and refunds in your gateway sandbox.
- Check the site in current Chrome, Safari, Firefox and Edge, plus at least one iPhone and one Android device.
3. Performance and Core Web Vitals
Speed is a launch requirement, not an optimization project for later. Google’s Core Web Vitals guidance recommends these targets, measured at the 75th percentile of page loads:
| Metric | What it measures | Good threshold |
|---|---|---|
| Largest Contentful Paint (LCP) | Loading | 2.5 seconds or less |
| Interaction to Next Paint (INP) | Interactivity | 200 milliseconds or less |
| Cumulative Layout Shift (CLS) | Visual stability | 0.1 or less |
Before launch, run PageSpeed Insights on your key templates (home, a service page, a blog post, a product page). Lab tests on staging are a good start, but field data only appears once real visitors arrive, so plan to recheck after launch. If a template misses the targets, compress images, remove unused plugins and scripts, and check caching.
4. SEO and indexing
Most SEO launch mistakes come from staging settings that were never switched off, or from URLs that changed without redirects.
- Switch off “Discourage search engines from indexing this site” in Settings, then Reading. According to the WordPress documentation, this option adds a noindex directive to the site, so leaving it on after launch can keep the site out of search results.
- Check robots.txt and remove any rules that were only there for development. Google’s site move guidance lists leftover noindex and robots.txt blocks as common mistakes.
- Every page has a unique title tag, meta description and one H1.
- On a redesign, map every old URL to its new equivalent with a 301 redirect. Redirect to the closest relevant page, not everything to the homepage, which Google warns can be treated as a soft 404.
- The XML sitemap is generated and ready to submit in Google Search Console.
- Structured data (such as Organization, Article or Product) validates without errors.
5. Accessibility and legal
Accessibility is also a risk issue for your agency, because a site you deliver can create legal exposure for your client. At a minimum, check against the Web Content Accessibility Guidelines (WCAG) 2.2:
- Text and buttons have enough colour contrast.
- Every image has meaningful alt text, and decorative images are marked as such.
- The whole site works with a keyboard only, with a visible focus state.
Treat these as the minimum, and agree with the client in writing which WCAG level the site is expected to meet.
6. Security, backups and hosting
- SSL is active, and all HTTP URLs redirect to HTTPS without mixed-content warnings.
- WordPress core, themes and plugins are up to date, and unused ones are deleted.
- Admin accounts use strong passwords and two-factor authentication. Remove any developer or test accounts.
- Automated off-site backups are running, and you have tested a restore at least once.
- Uptime monitoring is switched on, and error logging is configured.
7. Analytics and tracking
- Analytics and Google Search Console are connected to the live domain.
- Key events are tracked: form submissions, calls, clicks on the main call to action and purchases.
- A cookie consent banner is configured wherever the client’s audience requires one.
Go-live day: a website go live checklist
Launch day should feel boring. If you have completed the sections above, go-live is mostly a sequence of controlled changes.
- Pick a quiet window. Google advises timing a site move for lower-traffic periods where possible, so fewer visitors are affected if something breaks.
- Take a full backup of the old site and the new one.
- Update DNS or push the staging site live. Lower the DNS TTL a day or two earlier, so the change spreads faster.
- Turn off the noindex setting and any maintenance or coming-soon mode.
- Test redirects, the SSL certificate and the www and non-www versions.
- Clear caches at the plugin, server and CDN levels.
- Submit the sitemap in Search Console and inspect the homepage with the URL Inspection tool.
- Run the test again: forms, checkout, key pages and mobile.
After launch: the first 30 days
Launch is not the finish line, and clients judge you on how you handle the weeks after it. Plan these checkpoints before you go live:
- Day 1: Check forms, orders, analytics and error logs. Confirm the site is indexable.
- Week 1: Review Search Console for crawl errors and “not found” pages. Fix any redirect gaps.
- Day 30: Send a short report to the client covering uptime, speed, traffic and next steps.
This is also the best time to introduce a monthly care plan, so updates, backups and small changes have a home that is separate from the build budget. See our guide to outsourcing WordPress maintenance for how agencies package this.
What should a website handover include?
A clean handover protects your client relationship and your support queue. Use this website handover checklist as a standard package:
- Logins for the CMS, hosting, domain registrar, analytics and Search Console, shared through a password manager rather than email.
- A short guide or recorded walkthrough showing the client how to edit pages, add posts and update products.
- A list of installed plugins, themes and paid licences, with renewal dates and who owns each licence.
- Backup and restore details, including where backups are stored.
- The sitemap, the redirect map and a record of the QA results.
- Support terms: what is covered, how to submit a request and the expected response time.
How a white label partner fits into your launch process
If you outsource development, a launch checklist becomes even more useful, because it defines who does what. A good white label partner for digital agencies should run most of the technical checks and give you documented results. You keep the client conversations and the final sign-off.
| Checklist area | Partner typically handles | Agency typically handles |
|---|---|---|
| Content and design | Builds from approved designs | Client approval and copy sign-off |
| Functionality and QA | Cross-browser, forms, e-commerce testing | Final acceptance testing |
| Performance and security | Optimization, backups, hardening | Reviewing the report with the client |
| SEO setup | Technical setup, redirects, sitemap | Strategy, keywords and content |
| Go-live | Deployment, DNS support, cache and monitoring | Client communication and timing |
| Handover | Documentation and training material | Delivering it under your brand |
The benefit for your margins is predictability. When QA and launch work follow a fixed process, you spend less unbilled time on fixes, and your team stays free for the next client. It also supports your growth: you can take on more launches without hiring a full in-house QA function.
Frequently asked questions
What should be on a website launch checklist?
A good checklist covers content sign-off, functionality and forms, performance, SEO and indexing, accessibility, security and backups, analytics, go-live steps and a client handover. Each item should have a clear owner.
What is a website QA checklist?
It is the testing part of your launch process. It covers links, forms, checkout, browsers and devices, speed, accessibility and content errors. Teams usually run it on a staging site and keep the results as a record for the client.
How long does it take for a website to go live?
It depends on the project. The launch itself can take a few hours, but the checks beforehand take longer on larger sites and online stores. DNS changes can take time to spread, which is why teams lower the TTL beforehand and plan a quiet window. Allow time for final client approval too, as that is often the real bottleneck.
What should a website handover include?
Logins, a short training guide, a list of plugins and licences, backup details, the redirect map and QA record, and clear support terms.
Can a white label partner handle website launches for my agency?
Yes. A good partner runs the technical QA, deployment and documentation under your brand, while you handle client communication and sign-off.
Launch every client site with confidence
Lines + Pixels is a white label design and development team for agencies. We build WordPress and WooCommerce sites under your brand, run QA against a documented launch checklist, and support the site after go-live. If you want launches that are calm and predictable, let’s talk about how a partnership would fit your agency. Book a partner call.
