Website maintenance

• Accessibility Act: Don’t Panic Over Alarmist Emails!

• Email alias or forwarding - which is which? And what's the deal with „plus addresses“?

• Website backup according to the 3-2-1 rule

• Open PDF in the same or a different window?

• How do I fix the error in the Gutenberg editor "Update failed" or "Publishing failed"?

• Why do the analysis data from Matomo and Google Analytics differ?