It is known that one's not allowed to learn on tisha b'av; what is the halachic status of using this site on tisha b'av?
When Tisha B'Av comes out on a Shabbos, do we say Pirkei Avos in the cycle on that Shabbos?
From Aish.com: Other prohibitions include...Learning Torah, since this is a joyful activity. It is permitted to learn texts relevant to Tisha B'Av and mourning -- e.g. the Book of Lamentations, ...