Database: college_completion
Question: What is the website address of the institution with the highest number of White degree-seeking students at 2-year institutions in 2008?
SQL: SELECT T1.site FROM institution_details AS T1 INNER JOIN institution_grads AS T2 ON T2.unitid = T1.unitid WHERE T2.race = 'W' AND T2.cohort = '2y all' AND T2.year = 2008 ORDER BY T2.grad_cohort DESC LIMIT 1