Simply talking, I thing that url monitoring script has to monitor all urls and add referral page lang code to it, if is missing, and then redirect to that url.
Tu kuzungumza, Mimi kitu url ufuatiliaji script ina kufuatilia wote URL na kuongeza rufaa ukurasa lang code hiyo, ikiwa ni missing, na kisha kuelekeza kwa url kwamba .