Your ROOT_URL in app.ini is https://src.whiteboxsystems.nl/ but you are visiting http://src.whiteboxsystems.nl/Whitebox/u-boot/blame/commit/ecf591e303ed576817f0638ade56e2fab7d910c8/arch/blackfin/include/asm/global_data.h
You should set ROOT_URL correctly, otherwise the web may not work correctly.