Post-update verification.
WHAT TO TEST
The homepage A content page Your contact form, including whether the notification arrives Your checkout, if applicable The administration area
THE FORM AND CHECKOUT POINT
Both break silently after updates.
Test them specifically, not just the visible pages.
WHAT TO CHECK
Layout, on desktop and mobile Images displaying Anything the update touched
IF SOMETHING BROKE
Identify what changed Roll back that component, or restore the backup Report it to the developer
WHAT TO DO BEFORE UPDATING
Back up Test on staging, for anything significant
WHAT TO AVOID
Updating everything at once on an important site Updating during a busy period Updating without a backup
IF A COMPONENT CANNOT BE UPDATED
Something requiring an old version is unmaintained.
Replace it.
WHAT TO RECORD
What you updated and when.
