Is My App Launch-Ready?

Every page should have a unique title (50-60 chars) and meta description (150-160 chars).

Ensure social sharing previews display the correct image, title, and description.

Submit your sitemap to Google Search Console and Bing Webmaster Tools.

Allow search engines to crawl important pages and block admin or private routes.

Avoid duplicate content penalties by specifying the preferred URL for each page.

Add schema markup so search engines can display enhanced results like ratings and FAQs.

Serve modern image formats and lazy-load below-the-fold images to reduce page weight.

Test with Lighthouse or PageSpeed Insights and aim for green scores on all three metrics.

Use dynamic imports and tree-shaking to keep JavaScript bundles small.

Preload critical fonts and use font-display: swap to prevent invisible text during loading.

Configure Cache-Control headers for images, CSS, and JS to improve repeat-visit speed.

Redirect all HTTP traffic to HTTPS and ensure no mixed-content warnings.

Add Content-Security-Policy, Strict-Transport-Security, and X-Frame-Options headers.

Never commit secrets to version control. Use .env files and secret managers.

Validate and sanitize both client-side and server-side to prevent injection attacks.

Protect login, signup, and password reset routes from brute-force attacks.

Use CSRF tokens or SameSite cookies to prevent cross-site request forgery.

Verify all auth flows work correctly across browsers and devices.

Test the full password reset cycle: request, email delivery, and new password submission.

Ensure expired sessions redirect to login and refresh tokens work silently.

Update redirect URIs in your OAuth provider dashboard to use production URLs.

Disclose what data you collect, how it is used, and how users can request deletion.

Define usage rules, liability limits, and dispute resolution for your service.

Show a consent banner for EU/UK visitors before setting non-essential cookies.

Provide a clear process for users to request export or deletion of their personal data.

Track page views and user behavior to understand how people use your app.

Capture runtime errors automatically so you can fix issues before users report them.

Get alerted immediately when your app goes down using a service like UptimeRobot or Pingdom.

Ensure you can access and search server logs for debugging production issues.

Set up a reliable provider for sending password resets, receipts, and notifications.

Send test emails and check rendering across Gmail, Outlook, and Apple Mail.

Configure DNS records to improve email deliverability and prevent spoofing.

Run end-to-end tests with Stripe/PayPal test cards before going live.

Confirm your server correctly processes payment success, failure, and refund webhooks.

Ensure customers receive accurate invoices and receipts after every transaction.