Catechism of the Catholic Church
Click on the link above to access the start of the content on the sacrament of Confirmation. Once on the website, hit ‘Next’ to proceed to the following article.

Compendium of the Catechism of the Catholic Church
Click on the link to access the contents page. Scroll down and click on the heading ‘The sacraments of Christian initiation’. Then scroll down to read the questions and answers on the Sacrament of Confirmation.

American Catholic
This website provides articles on the sacrament as well as questions and answers related to Confirmation.

Catholic Answers
A link to the teaching of Church Fathers on this sacrament.