Informática. Programación. Desarrollo web. Diseño gráfico. Redes.

Quizzes de desarrollo web

Clock
Minutes
Seconds
Line break <br>, doesn't permit any embedded content.

HTML tags are case sensitive.

You can create tables with the tag <table>.

XHTML elements can be both upper case and lower case.

The alt attribute is required. A website will not validate correctly without it.