Standards Compliance
Never write anything but standards-compliant code: faster, more reliable, and you won’t have to fix it when new browsers come out. – Smashing Magazine
Never write anything but standards-compliant code: faster, more reliable, and you won’t have to fix it when new browsers come out. – Smashing Magazine
Error messages should be helpful and give users hints on what to do next. This article from uxmatters on avoiding being embarrassed by your error messages provides food for thought on this subject

Image Details: Nikon D3000 , Exposure: 1.6 Sec , Aperture: f/4.5, Focal Length: 30mm, ISO Speed: 100
St Mary’s Church in Derby by night.