Practical resources for web design and development
Briefly

Updating old WordPress sites poses challenges, particularly with PHP version compatibility. It's vital to back up databases and files, use staging environments for testing, and perform incremental upgrades rather than making large jumps in PHP versions to minimize risks. Familiarizing oneself with migration guides and ensuring plugins and themes are compatible with newer PHP versions will also reduce issues. Online learning platforms provide valuable courses that address these practical server and hosting challenges comprehensively, making the update process smoother and safer.
When redesigning old WordPress sites, always backup the database and files before making updates. Consider using a local staging environment to test compatibility before deploying live.
Be cautious of PHP version compatibility issues; updating from a very old version directly to the latest may break the site. Incremental updates help smooth the transition.
Utilize resources like PHP's official migration guides, and check plugins and themes for compatibility with newer versions to avoid issues during upgrades.
Online platforms like Udemy or Coursera offer courses specifically about WordPress development, including database management, server configurations, and best practices for updates.
Read at SitePoint Forums | Web Development & Design Community
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