To follow this little screencast tutorial on editing Web applications, take a deep breath and read http://wiki.whatwg.org/wiki/IDE or https://github.com/kaihendry/vim-html5.

Screencast was recorded using the helpful recordmydesktop script.

Validator.nu is for helping find problems with HTML not PHP, so sorry for the sideline 2:30 mins in the older VIM HTML video. :) Finally also “checkout” Google doctype.