A locally working site may have different live configuration. PHP extensions, database upgrades, HTTPS and email delivery each need verification on the production host.
Practical steps
- Store file and database backups separately.
- Verify PHP version, HTTPS and redirects.
- Check form records, SMTP tests and error logs.
Define the scope
Improve technology while preserving working functionality. Document configuration and rollback first, considering files, databases and external connections together.
How to check the result
Check changes in a separate environment. Try critical pages and forms on real devices, inspect logs and publish only after successful validation.
A common mistake
Do not damage content or functionality to raise a score. Local success does not prove hosting and email providers behave identically.
Example application
For example, smaller images can load faster, but unreadable product detail requires rebalancing dimensions and compression. Assess both technical and visual results.
