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

Quizzes de desarrollo web

Clock
Minutes
Seconds
A HTML 5 document must begin with <!DOCTYPE html>.

The <blockquote> element defines a quoted section.

The tag <u> means "underline".

The tag <td> is a table row.

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