The Web Developer's Ten Commandments
Thou shalt validate
thy HTML and CSS
Thou shalt not trust in
default value settings
Thou shalt not mix
content with presentation
Thou shalt not annoy thy
fellow man with jerking
and blinking images
Thou shalt make thy code clear
to thy fellow man
Thou shalt not leave
loose ends in thy code
Thou shalt not mix zero
with null, lest grievous
harm befall thy code
Thou shalt always
keep it simple
Thou shalt not use images
excessively
Thou shalt respect thy
user with proper messages