The first days after going live.
IMMEDIATELY
Verify the site loads from a different network and device Confirm HTTPS and the padlock Submit the sitemap in Search Console Confirm analytics is recording Test a form and confirm the email arrives Test checkout with a real transaction, if applicable
FIRST 24 HOURS
Watch the error log Watch resource usage Check for 404s from links that changed Confirm scheduled tasks ran Confirm the first backup completed
FIRST WEEK
Review Search Console for crawl errors Review performance under real traffic Address anything in the error log Confirm email deliverability, checking that messages are not landing in spam
FIRST MONTH
Review resource usage trends Test a restore from backup Review what the analytics show about real usage Apply any updates released since launch
WHAT PEOPLE SKIP
Watching the error log. Problems visible there in the first days are cheap to fix and expensive to discover later.
