Dear Debianers. On your page: https://packages.debian.org/testing/web/ there is hyper-link with text "firefox" (50.1.0-1) and address: https://packages.debian.org/testing/web/firefox which gives result:
Error Package not available in this suite. (I am sorry, I do not know, if it is correct or incorrect behaviour on this address.) Yours respectfully: -- Rudolf Dovičín Partizánska 1506/92-34 957 01 Bánovce nad Bebravou 1 SLOVENSKO