The RoadmapSetupSetting Up a Website and Domain

Troubleshooting Common Website Launch Problems

A practical UK guide to solving website launch headaches, from domain issues to email failures, payment glitches and regulatory pitfalls.

8 minute read
Setup — Setting Up a Website and Domain
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Claire Henderson
Written by Claire Henderson
Finance & Tax Editor · GuideToBusiness
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You’ve invested time and money into building your new business website, but launch day arrives and things aren’t working as planned. Whether it’s mysterious error messages, missing emails, or payment systems failing at the last hurdle, website launch problems can be deeply frustrating and costly. This guide cuts through the jargon, providing step-by-step, UK-focused solutions to the most common website launch problems small business owners face. By the end, you’ll know exactly how to diagnose and resolve issues – and how to avoid them next time.

Diagnosing Domain and DNS Issues: The First Hurdle

Nothing derails a website launch faster than domain or DNS problems. In the UK, many small business owners register domains via providers like 123 Reg, GoDaddy, or UK-specific registrars such as Fasthosts or Heart Internet. If your site isn’t loading, start here – because if the domain isn’t pointing to the right place, nothing else matters.

The first check is to ensure your domain name is active and correctly registered with Nominet (for .uk domains). Use the Nominet WHOIS lookup to confirm. Domains can lapse if renewal fees aren’t paid, or if payment details are out of date. If your domain shows as suspended or expired, you must contact your registrar immediately to resolve this.

Next, check your DNS records. These are what connect your domain name to your website hosting provider. The most common DNS issue is an incorrect A record (which points your domain to your website’s server IP address) or missing CNAME records (for subdomains like www). Use free tools like MXToolbox or DNSChecker to see if your DNS records are propagating and pointing to the correct server. Changes to DNS usually take up to 24 hours to propagate, but in rare cases, it can take longer – patience is required, but double-check your records for typos or outdated information.

Another common pitfall is forgetting to add or update the 'www' CNAME or to set up redirects between www and non-www versions. Inconsistent configuration can cause your site to appear offline for some users. For UK businesses, it's also important to ensure your domain privacy details are up to date to comply with GDPR and to avoid unwanted spam.

Expired Domains

If your .uk domain expires, Nominet may suspend it within 30 days. During this period, your website and email will go offline. Renew as soon as possible – recovery becomes difficult and expensive after the suspension window.

  • Verify domain registration status with Nominet.
  • Check DNS records for correct A, CNAME, and MX entries.
  • Allow up to 24 hours for DNS propagation after changes.
  • Ensure both www and non-www versions are configured.
  • Update domain contact details for compliance and recovery.
Common IssueLikely CauseHow to Fix
Website not loading at allExpired or misconfigured domainRenew domain, check DNS records
Redirect loops (ERR_TOO_MANY_REDIRECTS)Incorrect www/non-www setup or SSL misconfigurationSet consistent redirects, update SSL
Email not workingMissing or incorrect MX recordsUpdate MX records to match your email provider
Site loads without www but not with wwwCNAME or A record for www missingAdd proper CNAME/A record for www subdomain

SSL Certificates and Security Warnings: Keeping Trust Intact

A missing or misconfigured SSL certificate is one of the most frequent causes of launch-day panic. Modern browsers like Chrome and Edge will block access to sites that aren’t secure, displaying alarming warnings such as 'Your connection is not private.' This is not just a technical issue – it can seriously harm your reputation and SEO, as Google prioritises secure (https) sites. See our guide on using SSL certificates to secure your site for more details.

SSL certificates are issued by Certificate Authorities (CAs) like Let’s Encrypt (free), Sectigo, or DigiCert. Most UK hosting providers offer free basic SSL as standard, but you must still activate and properly install it. A common mistake is launching with an expired, self-signed, or misapplied certificate. Always test your site using https before launch day, and check the certificate details in your browser by clicking the padlock icon.

If your site is still showing as 'Not Secure', check that every page and resource (images, scripts, CSS) is being loaded over https – mixed content warnings are a common culprit. Many UK platforms (including Shopify and Wix) have automatic SSL, but custom sites may require manual adjustments in your content management system (CMS) or .htaccess file to enforce https.

UK Law and SSL

While not strictly mandated by UK law, using SSL is required under GDPR if you collect personal data (e.g., contact forms, account sign-ups, or e-commerce). Non-compliance leaves you exposed to fines from the Information Commissioner’s Office (ICO).

  • Activate SSL before launch and verify all pages load via https.
  • Use SSL Labs’ free tool to test for vulnerabilities.
  • Update internal links and resources to use https URLs.
  • Set up 301 redirects from http to https for all pages.
  • Renew SSL certificates annually to avoid expiry issues.

Remember, even if your main site is secure, third-party content (like embedded widgets or images hosted elsewhere) can trigger browser warnings. Check for and update any externally hosted resources to their https equivalents, or host them locally.

Website Speed, Downtime, and Performance Problems

A slow, sluggish website or frequent downtime will drive customers away and hurt your Google rankings. UK customers expect fast, reliable sites – especially when shopping or booking services. Website performance issues can be caused by poor hosting, unoptimised images, heavy plugins, or coding errors.

Start by testing your site with a tool like GTmetrix or Google PageSpeed Insights. These will flag slow-loading resources, large images, or inefficient scripts. For UK-specific results, use tools that let you test from London servers. Hosting matters: budget UK hosting providers may offer cheap deals but often oversell server space, resulting in slower speeds at peak times.

It’s tempting to add every plugin and widget under the sun, but each one can slow your site. Evaluate whether you really need every feature at launch – sometimes, less is more. Compress images using free tools (TinyPNG, ImageOptim) and defer loading of non-critical scripts. If you use WordPress, caching plugins like WP Super Cache or W3 Total Cache can make a big difference.

Speed Matters

ONS data shows 87% of UK adults shopped online in 2023. Sites that load in under 2 seconds see up to 30% higher conversion rates than slower competitors (source: Google UK).

  • Choose a reputable UK-based hosting provider with strong uptime guarantees.
  • Optimise images before uploading (aim for <200KB per image).
  • Limit plugins to only essential ones.
  • Enable browser caching and minify files (CSS, JS).
  • Monitor uptime with free tools like Uptime Robot or Pingdom.
Hosting ProviderUptime GuaranteeTypical UK Support Hours
Krystal99.99%24/7
SiteGround99.99%24/7
123 Reg99.9%Mon-Fri 8am-8pm, Sat/Sun 9am-5pm
Heart Internet99.9%24/7

If your site is down intermittently, check your hosting provider’s status page for outages. Frequent downtime could indicate it’s time to upgrade to a better hosting plan or switch providers. Keep in mind, shared hosting is fine for low-traffic sites, but as your business grows, consider moving to a virtual private server (VPS) or managed WordPress hosting for better speed and reliability.

Email Deliverability and Contact Form Failures

Many small business websites rely on contact forms to generate leads and communicate with customers. A common – and often missed – problem is that these forms stop working, or emails land in spam folders, leaving customers ignored and opportunities lost. In the UK, this is especially a risk with shared or budget hosting.

Start by sending test messages through every contact form on your site. If emails don’t arrive, first check your hosting provider’s mail logs or control panel. Common issues include incorrect 'From' addresses, missing SMTP configuration, or your domain being blacklisted. Using your own domain (info@yourbusiness.co.uk) rather than a generic Gmail or Yahoo address improves deliverability.

To ensure reliable delivery, set up proper SPF, DKIM, and DMARC records in your DNS. These authentication protocols prove to email servers that messages from your domain aren’t spam. Many UK hosting providers give step-by-step guides, or you can use free tools like Mail-Tester.com to check your setup. If you’re handling sensitive data, remember that UK GDPR requires secure transmission – consider using encrypted email providers or secure contact form plugins.

Test Everything Before Launch

Always test all contact forms and automated emails (order confirmations, password resets, etc.) from multiple devices and email addresses before launching your site publicly.

  • Use domain-based email addresses for all site communications.
  • Set up SPF, DKIM, and DMARC records in your DNS.
  • Test email deliverability with tools like Mail-Tester.com.
  • Check spam folders and mail logs for errors.
  • Consider a UK-based email provider (e.g., Fasthosts, Krystal) for better local support.

If you’re using a third-party email service (like Mailchimp or SendGrid), you must authenticate your domain with their service and ensure their sending IPs aren’t blocked by your hosting provider. For transactional emails (order receipts, password resets), a dedicated transactional email provider can dramatically improve reliability.

Payment Systems, Checkout Glitches, and E-Commerce Nightmares

For UK businesses selling online, payment failures are the most financially damaging launch problem. If customers can’t pay, you’ll lose trust and revenue from day one. Common launch issues include misconfigured payment gateways (like Stripe, PayPal, or Worldpay), SSL errors at checkout, or orders not being marked as complete in your CMS.

Begin by placing a real order yourself using multiple payment methods and devices. Check that the payment gateway is set to 'Live' mode, not 'Test' or 'Sandbox'. Incorrect API keys, missing SSL, or country restrictions (some UK gateways block overseas cards by default) can all cause failed payments. Double-check that your business details (address, VAT number, company name) match between your website, payment provider, and Companies House records – discrepancies can trigger anti-fraud measures.

For marketplaces or platforms (Shopify, WooCommerce, Wix), ensure all webhooks and notification URLs are set up so that payment confirmations are correctly received by your site. Also, check that your checkout meets UK legal requirements: clear pricing (including VAT), shipping costs, and terms and conditions must be displayed before payment. Failure to comply can lead to complaints to Trading Standards or the Competition and Markets Authority (CMA).

Strong Customer Authentication (SCA)

Since 2022, all UK online payments must comply with SCA under PSD2. This means extra authentication (like SMS codes or mobile app approval) is required for most card payments. Ensure your payment gateway supports SCA or you risk failed transactions and regulatory penalties.

  • Test checkout with real and test cards for each payment method.
  • Confirm payment gateway is set to 'Live' mode.
  • Check for SSL errors on checkout pages.
  • Display VAT and shipping costs clearly at checkout.
  • Verify SCA compliance with your payment provider.
Payment GatewaySCA CompliantUK SupportTypical Fees
StripeYes24/7 chat/email1.4% + 20p (UK cards)
PayPal BusinessYesPhone/support portal2.9% + 30p
WorldpayYesPhone/emailFrom 2.75% + 20p
SquareYesPhone/email1.75%

Remember to test refunds and order cancellations as well – broken refund processes are a major source of customer complaints and chargebacks. Integrate your payment system with your accounting software (like Xero or QuickBooks) to keep your books in order and make VAT returns easier.

Legal, Regulatory, and Accessibility Problems

Even if your website works perfectly, you can run into serious trouble if you overlook UK legal and regulatory requirements. Common issues include missing company details, lack of privacy policies, non-compliance with cookies rules, or ignoring accessibility standards.

Every UK business website must display certain information under the Companies Act 2006 and The Electronic Commerce (EC Directive) Regulations 2002. This includes your company or trading name, registered office address, company registration number, and VAT number (if VAT registered). Failing to provide these details can result in fines from Companies House or the CMA.

Data protection is enforced by the Information Commissioner’s Office (ICO). If your site uses cookies (which almost all do), you must display a cookie banner and obtain consent before setting non-essential cookies. You also need a clear privacy policy explaining how you collect and use personal data, in line with the UK GDPR. If your website is inaccessible to disabled users, you risk breaching the Equality Act 2010 – use tools like WAVE or Siteimprove to test accessibility and fix any issues found.

ICO Registration

Most UK businesses processing personal data must register with the ICO and pay a data protection fee (from £40/year). Failing to register can result in a fine of up to £4,350.

  • Display company and VAT details on your website footer and contact page.
  • Add a privacy policy and cookie consent banner.
  • Ensure your site is accessible (WCAG 2.1 AA standard recommended).
  • Register with the ICO if you process personal data.
  • Keep terms and conditions up to date with UK consumer law.
Legal RequirementWho EnforcesWhat to Check
Company details on websiteCompanies House, CMACompany/trading name, address, reg. number, VAT number
Cookie consent & privacy policyICOClear banners, opt-in for non-essential cookies, up-to-date privacy policy
AccessibilityEquality and Human Rights CommissionMeets WCAG 2.1 AA, tested with screen readers

A final step is to document your compliance. Keep evidence of your cookie and privacy consents, accessibility tests, and ICO registration in case of queries or complaints. Many of these requirements are overlooked in the rush to launch, but non-compliance can lead to reputational damage and hefty fines.

Step-by-Step: How to Troubleshoot a Website Launch Problem

When things go wrong, it’s easy to panic – but a systematic approach will save time and money. Here’s how to methodically tackle a launch problem, whether it’s a site outage, payment failure, or missing emails.

Diagnosing and Resolving Domain and DNS Issues Effectively

1
Identify the Symptom
What exactly is not working? Is it the whole website, a specific page, or a function (like checkout or contact forms)? Document error messages, times, and affected features.
2
Check Domain and DNS First
Use WHOIS and DNS tools to confirm your domain is active and pointing to the correct server. Check for recent DNS changes that might still be propagating.
3
Test SSL and Security
Visit your site with https and check for security warnings. Use SSL Labs’ tester to check certificate validity, expiry, and configuration. Update or reinstall SSL if needed.
4
Rule Out Hosting Problems
Check your hosting provider’s status page for outages. Use a different device or network to confirm if the issue is local or widespread. Reboot your hosting environment if possible.
5
Check Application and Code Errors
Review your CMS error logs or plugin logs for issues. Temporarily disable recent plugins or custom code to see if the problem resolves. Restore from backup if necessary.
6
Test Forms, Emails, and Checkout
Submit all forms and complete a full purchase. Check emails arrive and payments process. Use test cards and real cards for payment gateways. Review mail logs and payment gateway dashboards for errors.
7
Validate Legal and Content Requirements
Confirm that your legal disclosures, policies, and accessibility features are present and correct. Test cookie banners and privacy policy links.
8
Contact Support with Detailed Info
If you can’t fix it, contact your hosting or platform support. Provide detailed error messages, steps to reproduce, and recent changes. This speeds up resolution dramatically.

Avoiding Common Mistakes and Hidden Pitfalls

Many website launch problems are the result of last-minute changes, skipped tests, or poor communication with developers or designers. Rushed launches increase risk – so always allow time for thorough testing and fixes before promoting your site.

A common UK-specific mistake is forgetting to update domain and hosting contact details. If your registrar or hosting sends renewal reminders to an old email, you might miss critical deadlines and lose access to your site. Another is underestimating the impact of UK public holidays or time zones on support availability – some providers only operate standard office hours, so plan launches for mid-week and avoid bank holidays.

For e-commerce sites, failing to test VAT handling and overseas shipping rules is a frequent headache. UK VAT law is complex, and errors can lead to overcharging or undercharging customers. Similarly, not testing your site on mobile devices and different browsers is a recipe for missed sales – over half of UK online purchases are made on smartphones, according to ONS.

Create a Launch Checklist

Make a detailed launch checklist covering domain, SSL, hosting, email, payments, legal, and accessibility. Review it line by line before you go live – it’s the best way to catch hidden problems early.

  • Update registrar and hosting contact details before launch.
  • Test your site on mobile, tablet, and at least two browsers.
  • Schedule launches for mid-week, avoiding UK public holidays.
  • Check VAT and shipping calculations for all regions.
  • Keep a backup of your old site until the new one is stable.

Finally, communicate with your team, web developer, or IT support. Share administrative logins, documentation, and checklists – don’t assume they’ll know what’s needed for UK compliance or what your business priorities are. A little planning and communication goes a long way in preventing launch disasters.

Key Takeaways
  • Domain and DNS issues are the top cause of launch failures. Always verify registration, DNS records, and propagation before anything else.
  • SSL certificates are essential for trust, SEO, and compliance. Test your security setup and fix mixed content warnings before going live.
  • Speed and uptime affect sales and reputation. Choose quality UK hosting and optimise your site for fast loading and reliability.
  • Email and forms need real-world testing. Authenticate your domain and always test contact forms and automated emails from multiple addresses.
  • E-commerce compliance is non-negotiable. Test payments, refunds, VAT, and SCA for UK law and customer trust.
  • Legal and regulatory obligations are easily missed. Display company details, use cookie banners, register with the ICO, and ensure accessibility.
  • A systematic troubleshooting approach saves time and stress. Document problems, test methodically, and contact support with full details if needed.
  • Prepare, test, and communicate. Use checklists, update contact details, and plan for support availability to avoid hidden pitfalls.
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